2284 lines
63 KiB
C
2284 lines
63 KiB
C
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/*
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* Copyright (c) 2009 David McCullough <david.mccullough@securecomputing.com>
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*
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* Copyright (c) 2003-2007 Cavium Networks (support@cavium.com). All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Cavium Networks
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* 4. Cavium Networks' name may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* This Software, including technical data, may be subject to U.S. export
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* control laws, including the U.S. Export Administration Act and its
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* associated regulations, and may be subject to export or import regulations
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* in other countries. You warrant that You will comply strictly in all
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* respects with all such regulations and acknowledge that you have the
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* responsibility to obtain licenses to export, re-export or import the
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* Software.
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*
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" AND
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* WITH ALL FAULTS AND CAVIUM MAKES NO PROMISES, REPRESENTATIONS OR WARRANTIES,
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* EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO THE
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* SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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*/
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/****************************************************************************/
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#include <linux/scatterlist.h>
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#include <asm/octeon/octeon.h>
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#include "octeon-asm.h"
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/****************************************************************************/
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extern unsigned long octeon_crypto_enable(struct octeon_cop2_state *);
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extern void octeon_crypto_disable(struct octeon_cop2_state *, unsigned long);
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#define SG_INIT(s, p, i, l) \
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{ \
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(i) = 0; \
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(l) = (s)[0].length; \
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(p) = (typeof(p)) sg_virt((s)); \
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CVMX_PREFETCH0((p)); \
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}
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#define SG_CONSUME(s, p, i, l) \
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{ \
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(p)++; \
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(l) -= sizeof(*(p)); \
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if ((l) < 0) { \
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dprintk("%s, %d: l = %d\n", __FILE__, __LINE__, l); \
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} else if ((l) == 0) { \
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(i)++; \
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(l) = (s)[0].length; \
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(p) = (typeof(p)) sg_virt(s); \
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CVMX_PREFETCH0((p)); \
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} \
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}
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#define ESP_HEADER_LENGTH 8
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#define DES_CBC_IV_LENGTH 8
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#define AES_CBC_IV_LENGTH 16
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#define ESP_HMAC_LEN 12
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#define ESP_HEADER_LENGTH 8
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#define DES_CBC_IV_LENGTH 8
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/****************************************************************************/
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#define CVM_LOAD_SHA_UNIT(dat, next) { \
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if (next == 0) { \
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next = 1; \
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CVMX_MT_HSH_DAT (dat, 0); \
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} else if (next == 1) { \
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next = 2; \
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CVMX_MT_HSH_DAT (dat, 1); \
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} else if (next == 2) { \
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next = 3; \
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CVMX_MT_HSH_DAT (dat, 2); \
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} else if (next == 3) { \
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next = 4; \
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CVMX_MT_HSH_DAT (dat, 3); \
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} else if (next == 4) { \
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next = 5; \
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CVMX_MT_HSH_DAT (dat, 4); \
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} else if (next == 5) { \
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next = 6; \
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CVMX_MT_HSH_DAT (dat, 5); \
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} else if (next == 6) { \
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next = 7; \
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CVMX_MT_HSH_DAT (dat, 6); \
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} else { \
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CVMX_MT_HSH_STARTSHA (dat); \
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next = 0; \
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} \
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}
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#define CVM_LOAD2_SHA_UNIT(dat1, dat2, next) { \
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if (next == 0) { \
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CVMX_MT_HSH_DAT (dat1, 0); \
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CVMX_MT_HSH_DAT (dat2, 1); \
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next = 2; \
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} else if (next == 1) { \
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CVMX_MT_HSH_DAT (dat1, 1); \
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CVMX_MT_HSH_DAT (dat2, 2); \
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next = 3; \
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} else if (next == 2) { \
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CVMX_MT_HSH_DAT (dat1, 2); \
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CVMX_MT_HSH_DAT (dat2, 3); \
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next = 4; \
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} else if (next == 3) { \
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CVMX_MT_HSH_DAT (dat1, 3); \
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CVMX_MT_HSH_DAT (dat2, 4); \
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next = 5; \
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} else if (next == 4) { \
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CVMX_MT_HSH_DAT (dat1, 4); \
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CVMX_MT_HSH_DAT (dat2, 5); \
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next = 6; \
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} else if (next == 5) { \
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CVMX_MT_HSH_DAT (dat1, 5); \
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CVMX_MT_HSH_DAT (dat2, 6); \
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next = 7; \
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} else if (next == 6) { \
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CVMX_MT_HSH_DAT (dat1, 6); \
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CVMX_MT_HSH_STARTSHA (dat2); \
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next = 0; \
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} else { \
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CVMX_MT_HSH_STARTSHA (dat1); \
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CVMX_MT_HSH_DAT (dat2, 0); \
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next = 1; \
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} \
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}
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/****************************************************************************/
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#define CVM_LOAD_MD5_UNIT(dat, next) { \
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if (next == 0) { \
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next = 1; \
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CVMX_MT_HSH_DAT (dat, 0); \
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} else if (next == 1) { \
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next = 2; \
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CVMX_MT_HSH_DAT (dat, 1); \
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} else if (next == 2) { \
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next = 3; \
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CVMX_MT_HSH_DAT (dat, 2); \
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} else if (next == 3) { \
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next = 4; \
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CVMX_MT_HSH_DAT (dat, 3); \
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} else if (next == 4) { \
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next = 5; \
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CVMX_MT_HSH_DAT (dat, 4); \
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} else if (next == 5) { \
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next = 6; \
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CVMX_MT_HSH_DAT (dat, 5); \
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} else if (next == 6) { \
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next = 7; \
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CVMX_MT_HSH_DAT (dat, 6); \
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} else { \
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CVMX_MT_HSH_STARTMD5 (dat); \
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next = 0; \
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} \
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}
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#define CVM_LOAD2_MD5_UNIT(dat1, dat2, next) { \
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if (next == 0) { \
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CVMX_MT_HSH_DAT (dat1, 0); \
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CVMX_MT_HSH_DAT (dat2, 1); \
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next = 2; \
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} else if (next == 1) { \
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CVMX_MT_HSH_DAT (dat1, 1); \
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CVMX_MT_HSH_DAT (dat2, 2); \
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next = 3; \
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} else if (next == 2) { \
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CVMX_MT_HSH_DAT (dat1, 2); \
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CVMX_MT_HSH_DAT (dat2, 3); \
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next = 4; \
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} else if (next == 3) { \
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CVMX_MT_HSH_DAT (dat1, 3); \
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CVMX_MT_HSH_DAT (dat2, 4); \
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next = 5; \
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} else if (next == 4) { \
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CVMX_MT_HSH_DAT (dat1, 4); \
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CVMX_MT_HSH_DAT (dat2, 5); \
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next = 6; \
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} else if (next == 5) { \
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CVMX_MT_HSH_DAT (dat1, 5); \
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CVMX_MT_HSH_DAT (dat2, 6); \
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next = 7; \
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} else if (next == 6) { \
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CVMX_MT_HSH_DAT (dat1, 6); \
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CVMX_MT_HSH_STARTMD5 (dat2); \
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next = 0; \
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} else { \
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CVMX_MT_HSH_STARTMD5 (dat1); \
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CVMX_MT_HSH_DAT (dat2, 0); \
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next = 1; \
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} \
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}
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/****************************************************************************/
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static inline uint64_t
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swap64(uint64_t a)
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{
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return ((a >> 56) |
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(((a >> 48) & 0xfful) << 8) |
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(((a >> 40) & 0xfful) << 16) |
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(((a >> 32) & 0xfful) << 24) |
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(((a >> 24) & 0xfful) << 32) |
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(((a >> 16) & 0xfful) << 40) |
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(((a >> 8) & 0xfful) << 48) | (((a >> 0) & 0xfful) << 56));
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}
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/****************************************************************************/
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void
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octo_calc_hash(__u8 auth, unsigned char *key, uint64_t *inner, uint64_t *outer)
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{
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uint8_t hash_key[64];
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uint64_t *key1;
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register uint64_t xor1 = 0x3636363636363636ULL;
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register uint64_t xor2 = 0x5c5c5c5c5c5c5c5cULL;
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struct octeon_cop2_state state;
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unsigned long flags;
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dprintk("%s()\n", __FUNCTION__);
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memset(hash_key, 0, sizeof(hash_key));
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memcpy(hash_key, (uint8_t *) key, (auth ? 20 : 16));
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key1 = (uint64_t *) hash_key;
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flags = octeon_crypto_enable(&state);
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if (auth) {
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CVMX_MT_HSH_IV(0x67452301EFCDAB89ULL, 0);
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CVMX_MT_HSH_IV(0x98BADCFE10325476ULL, 1);
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CVMX_MT_HSH_IV(0xC3D2E1F000000000ULL, 2);
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} else {
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CVMX_MT_HSH_IV(0x0123456789ABCDEFULL, 0);
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CVMX_MT_HSH_IV(0xFEDCBA9876543210ULL, 1);
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}
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CVMX_MT_HSH_DAT((*key1 ^ xor1), 0);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor1), 1);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor1), 2);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor1), 3);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor1), 4);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor1), 5);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor1), 6);
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key1++;
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if (auth)
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CVMX_MT_HSH_STARTSHA((*key1 ^ xor1));
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else
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CVMX_MT_HSH_STARTMD5((*key1 ^ xor1));
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CVMX_MF_HSH_IV(inner[0], 0);
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CVMX_MF_HSH_IV(inner[1], 1);
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if (auth) {
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inner[2] = 0;
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CVMX_MF_HSH_IV(((uint64_t *) inner)[2], 2);
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}
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memset(hash_key, 0, sizeof(hash_key));
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memcpy(hash_key, (uint8_t *) key, (auth ? 20 : 16));
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key1 = (uint64_t *) hash_key;
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if (auth) {
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CVMX_MT_HSH_IV(0x67452301EFCDAB89ULL, 0);
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CVMX_MT_HSH_IV(0x98BADCFE10325476ULL, 1);
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CVMX_MT_HSH_IV(0xC3D2E1F000000000ULL, 2);
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} else {
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CVMX_MT_HSH_IV(0x0123456789ABCDEFULL, 0);
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CVMX_MT_HSH_IV(0xFEDCBA9876543210ULL, 1);
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}
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CVMX_MT_HSH_DAT((*key1 ^ xor2), 0);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor2), 1);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor2), 2);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor2), 3);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor2), 4);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor2), 5);
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key1++;
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CVMX_MT_HSH_DAT((*key1 ^ xor2), 6);
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key1++;
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if (auth)
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CVMX_MT_HSH_STARTSHA((*key1 ^ xor2));
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else
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CVMX_MT_HSH_STARTMD5((*key1 ^ xor2));
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CVMX_MF_HSH_IV(outer[0], 0);
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CVMX_MF_HSH_IV(outer[1], 1);
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if (auth) {
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outer[2] = 0;
|
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CVMX_MF_HSH_IV(outer[2], 2);
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}
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octeon_crypto_disable(&state, flags);
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return;
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}
|
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|
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/****************************************************************************/
|
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/* DES functions */
|
||
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int
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octo_des_cbc_encrypt(
|
||
|
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struct octo_sess *od,
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||
|
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struct scatterlist *sg, int sg_len,
|
||
|
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int auth_off, int auth_len,
|
||
|
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int crypt_off, int crypt_len,
|
||
|
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int icv_off, uint8_t *ivp)
|
||
|
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{
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|
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uint64_t *data;
|
||
|
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int data_i, data_l;
|
||
|
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struct octeon_cop2_state state;
|
||
|
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unsigned long flags;
|
||
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|
||
|
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dprintk("%s()\n", __FUNCTION__);
|
||
|
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|
||
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if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x7) || (crypt_off + crypt_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load 3DES Key */
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
} else if (od->octo_encklen == 8) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
CVMX_MT_3DES_IV(* (uint64_t *) ivp);
|
||
|
|
|
||
|
|
while (crypt_off > 0) {
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
crypt_off -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0) {
|
||
|
|
CVMX_MT_3DES_ENC_CBC(*data);
|
||
|
|
CVMX_MF_3DES_RESULT(*data);
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
crypt_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_des_cbc_decrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
uint64_t *data;
|
||
|
|
int data_i, data_l;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x7) || (crypt_off + crypt_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load 3DES Key */
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
} else if (od->octo_encklen == 8) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
CVMX_MT_3DES_IV(* (uint64_t *) ivp);
|
||
|
|
|
||
|
|
while (crypt_off > 0) {
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
crypt_off -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0) {
|
||
|
|
CVMX_MT_3DES_DEC_CBC(*data);
|
||
|
|
CVMX_MF_3DES_RESULT(*data);
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
crypt_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/****************************************************************************/
|
||
|
|
/* AES functions */
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_aes_cbc_encrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
uint64_t *data, *pdata;
|
||
|
|
int data_i, data_l;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x7) || (crypt_off + crypt_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load AES Key */
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
|
||
|
|
if (od->octo_encklen == 16) {
|
||
|
|
CVMX_MT_AES_KEY(0x0, 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 32) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
|
||
|
|
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
|
||
|
|
|
||
|
|
while (crypt_off > 0) {
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
crypt_off -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0) {
|
||
|
|
pdata = data;
|
||
|
|
CVMX_MT_AES_ENC_CBC0(*data);
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
CVMX_MT_AES_ENC_CBC1(*data);
|
||
|
|
CVMX_MF_AES_RESULT(*pdata, 0);
|
||
|
|
CVMX_MF_AES_RESULT(*data, 1);
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
crypt_len -= 16;
|
||
|
|
}
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_aes_cbc_decrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
uint64_t *data, *pdata;
|
||
|
|
int data_i, data_l;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x7) || (crypt_off + crypt_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load AES Key */
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
|
||
|
|
if (od->octo_encklen == 16) {
|
||
|
|
CVMX_MT_AES_KEY(0x0, 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 32) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
|
||
|
|
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
|
||
|
|
|
||
|
|
while (crypt_off > 0) {
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
crypt_off -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0) {
|
||
|
|
pdata = data;
|
||
|
|
CVMX_MT_AES_DEC_CBC0(*data);
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
CVMX_MT_AES_DEC_CBC1(*data);
|
||
|
|
CVMX_MF_AES_RESULT(*pdata, 0);
|
||
|
|
CVMX_MF_AES_RESULT(*data, 1);
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
crypt_len -= 16;
|
||
|
|
}
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/****************************************************************************/
|
||
|
|
/* MD5 */
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_null_md5_encrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
register int next = 0;
|
||
|
|
uint64_t *data;
|
||
|
|
uint64_t tmp1, tmp2;
|
||
|
|
int data_i, data_l, alen = auth_len;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 ||
|
||
|
|
(auth_off & 0x7) || (auth_off + auth_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data, data_i, data_l);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* Load MD5 IV */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
|
||
|
|
|
||
|
|
while (auth_off > 0) {
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
auth_off -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (auth_len > 0) {
|
||
|
|
CVM_LOAD_MD5_UNIT(*data, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Finish Inner hash */
|
||
|
|
while (next != 7) {
|
||
|
|
CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next);
|
||
|
|
}
|
||
|
|
CVMX_ES64(tmp1, ((alen + 64) << 3));
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp1, next);
|
||
|
|
|
||
|
|
/* Get the inner hash of HMAC */
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
CVMX_MF_HSH_IV(tmp2, 1);
|
||
|
|
|
||
|
|
/* Initialize hash unit */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
|
||
|
|
|
||
|
|
CVMX_MT_HSH_DAT(tmp1, 0);
|
||
|
|
CVMX_MT_HSH_DAT(tmp2, 1);
|
||
|
|
CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2);
|
||
|
|
CVMX_MT_HSH_DATZ(3);
|
||
|
|
CVMX_MT_HSH_DATZ(4);
|
||
|
|
CVMX_MT_HSH_DATZ(5);
|
||
|
|
CVMX_MT_HSH_DATZ(6);
|
||
|
|
CVMX_ES64(tmp1, ((64 + 16) << 3));
|
||
|
|
CVMX_MT_HSH_STARTMD5(tmp1);
|
||
|
|
|
||
|
|
/* save the HMAC */
|
||
|
|
SG_INIT(sg, data, data_i, data_l);
|
||
|
|
while (icv_off > 0) {
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
icv_off -= 8;
|
||
|
|
}
|
||
|
|
CVMX_MF_HSH_IV(*data, 0);
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 1);
|
||
|
|
*(uint32_t *)data = (uint32_t) (tmp1 >> 32);
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/****************************************************************************/
|
||
|
|
/* SHA1 */
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_null_sha1_encrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
register int next = 0;
|
||
|
|
uint64_t *data;
|
||
|
|
uint64_t tmp1, tmp2, tmp3;
|
||
|
|
int data_i, data_l, alen = auth_len;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 ||
|
||
|
|
(auth_off & 0x7) || (auth_off + auth_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data, data_i, data_l);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* Load SHA1 IV */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[2], 2);
|
||
|
|
|
||
|
|
while (auth_off > 0) {
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
auth_off -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (auth_len > 0) {
|
||
|
|
CVM_LOAD_SHA_UNIT(*data, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Finish Inner hash */
|
||
|
|
while (next != 7) {
|
||
|
|
CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next);
|
||
|
|
}
|
||
|
|
CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next);
|
||
|
|
|
||
|
|
/* Get the inner hash of HMAC */
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
CVMX_MF_HSH_IV(tmp2, 1);
|
||
|
|
tmp3 = 0;
|
||
|
|
CVMX_MF_HSH_IV(tmp3, 2);
|
||
|
|
|
||
|
|
/* Initialize hash unit */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[2], 2);
|
||
|
|
|
||
|
|
CVMX_MT_HSH_DAT(tmp1, 0);
|
||
|
|
CVMX_MT_HSH_DAT(tmp2, 1);
|
||
|
|
tmp3 |= 0x0000000080000000;
|
||
|
|
CVMX_MT_HSH_DAT(tmp3, 2);
|
||
|
|
CVMX_MT_HSH_DATZ(3);
|
||
|
|
CVMX_MT_HSH_DATZ(4);
|
||
|
|
CVMX_MT_HSH_DATZ(5);
|
||
|
|
CVMX_MT_HSH_DATZ(6);
|
||
|
|
CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3));
|
||
|
|
|
||
|
|
/* save the HMAC */
|
||
|
|
SG_INIT(sg, data, data_i, data_l);
|
||
|
|
while (icv_off > 0) {
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
icv_off -= 8;
|
||
|
|
}
|
||
|
|
CVMX_MF_HSH_IV(*data, 0);
|
||
|
|
SG_CONSUME(sg, data, data_i, data_l);
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 1);
|
||
|
|
*(uint32_t *)data = (uint32_t) (tmp1 >> 32);
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/****************************************************************************/
|
||
|
|
/* DES MD5 */
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_des_cbc_md5_encrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
register int next = 0;
|
||
|
|
union {
|
||
|
|
uint32_t data32[2];
|
||
|
|
uint64_t data64[1];
|
||
|
|
} mydata;
|
||
|
|
uint64_t *data = &mydata.data64[0];
|
||
|
|
uint32_t *data32;
|
||
|
|
uint64_t tmp1, tmp2;
|
||
|
|
int data_i, data_l, alen = auth_len;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
|
||
|
|
(crypt_len & 0x7) ||
|
||
|
|
(auth_len & 0x7) ||
|
||
|
|
(auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load 3DES Key */
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
} else if (od->octo_encklen == 8) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
CVMX_MT_3DES_IV(* (uint64_t *) ivp);
|
||
|
|
|
||
|
|
/* Load MD5 IV */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
|
||
|
|
|
||
|
|
while (crypt_off > 0 && auth_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
crypt_off -= 4;
|
||
|
|
auth_off -= 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0 || auth_len > 0) {
|
||
|
|
uint32_t *first = data32;
|
||
|
|
mydata.data32[0] = *first;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata.data32[1] = *data32;
|
||
|
|
if (crypt_off <= 0) {
|
||
|
|
if (crypt_len > 0) {
|
||
|
|
CVMX_MT_3DES_ENC_CBC(*data);
|
||
|
|
CVMX_MF_3DES_RESULT(*data);
|
||
|
|
crypt_len -= 8;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
crypt_off -= 8;
|
||
|
|
if (auth_off <= 0) {
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_MD5_UNIT(*data, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
auth_off -= 8;
|
||
|
|
*first = mydata.data32[0];
|
||
|
|
*data32 = mydata.data32[1];
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Finish Inner hash */
|
||
|
|
while (next != 7) {
|
||
|
|
CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next);
|
||
|
|
}
|
||
|
|
CVMX_ES64(tmp1, ((alen + 64) << 3));
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp1, next);
|
||
|
|
|
||
|
|
/* Get the inner hash of HMAC */
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
CVMX_MF_HSH_IV(tmp2, 1);
|
||
|
|
|
||
|
|
/* Initialize hash unit */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
|
||
|
|
|
||
|
|
CVMX_MT_HSH_DAT(tmp1, 0);
|
||
|
|
CVMX_MT_HSH_DAT(tmp2, 1);
|
||
|
|
CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2);
|
||
|
|
CVMX_MT_HSH_DATZ(3);
|
||
|
|
CVMX_MT_HSH_DATZ(4);
|
||
|
|
CVMX_MT_HSH_DATZ(5);
|
||
|
|
CVMX_MT_HSH_DATZ(6);
|
||
|
|
CVMX_ES64(tmp1, ((64 + 16) << 3));
|
||
|
|
CVMX_MT_HSH_STARTMD5(tmp1);
|
||
|
|
|
||
|
|
/* save the HMAC */
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
while (icv_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
icv_off -= 4;
|
||
|
|
}
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
*data32 = (uint32_t) tmp1;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 1);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_des_cbc_md5_decrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
register int next = 0;
|
||
|
|
union {
|
||
|
|
uint32_t data32[2];
|
||
|
|
uint64_t data64[1];
|
||
|
|
} mydata;
|
||
|
|
uint64_t *data = &mydata.data64[0];
|
||
|
|
uint32_t *data32;
|
||
|
|
uint64_t tmp1, tmp2;
|
||
|
|
int data_i, data_l, alen = auth_len;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
|
||
|
|
(crypt_len & 0x7) ||
|
||
|
|
(auth_len & 0x7) ||
|
||
|
|
(auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load 3DES Key */
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
} else if (od->octo_encklen == 8) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
CVMX_MT_3DES_IV(* (uint64_t *) ivp);
|
||
|
|
|
||
|
|
/* Load MD5 IV */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
|
||
|
|
|
||
|
|
while (crypt_off > 0 && auth_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
crypt_off -= 4;
|
||
|
|
auth_off -= 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0 || auth_len > 0) {
|
||
|
|
uint32_t *first = data32;
|
||
|
|
mydata.data32[0] = *first;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata.data32[1] = *data32;
|
||
|
|
if (auth_off <= 0) {
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_MD5_UNIT(*data, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
auth_off -= 8;
|
||
|
|
if (crypt_off <= 0) {
|
||
|
|
if (crypt_len > 0) {
|
||
|
|
CVMX_MT_3DES_DEC_CBC(*data);
|
||
|
|
CVMX_MF_3DES_RESULT(*data);
|
||
|
|
crypt_len -= 8;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
crypt_off -= 8;
|
||
|
|
*first = mydata.data32[0];
|
||
|
|
*data32 = mydata.data32[1];
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Finish Inner hash */
|
||
|
|
while (next != 7) {
|
||
|
|
CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next);
|
||
|
|
}
|
||
|
|
CVMX_ES64(tmp1, ((alen + 64) << 3));
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp1, next);
|
||
|
|
|
||
|
|
/* Get the inner hash of HMAC */
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
CVMX_MF_HSH_IV(tmp2, 1);
|
||
|
|
|
||
|
|
/* Initialize hash unit */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
|
||
|
|
|
||
|
|
CVMX_MT_HSH_DAT(tmp1, 0);
|
||
|
|
CVMX_MT_HSH_DAT(tmp2, 1);
|
||
|
|
CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2);
|
||
|
|
CVMX_MT_HSH_DATZ(3);
|
||
|
|
CVMX_MT_HSH_DATZ(4);
|
||
|
|
CVMX_MT_HSH_DATZ(5);
|
||
|
|
CVMX_MT_HSH_DATZ(6);
|
||
|
|
CVMX_ES64(tmp1, ((64 + 16) << 3));
|
||
|
|
CVMX_MT_HSH_STARTMD5(tmp1);
|
||
|
|
|
||
|
|
/* save the HMAC */
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
while (icv_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
icv_off -= 4;
|
||
|
|
}
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
*data32 = (uint32_t) tmp1;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 1);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/****************************************************************************/
|
||
|
|
/* DES SHA */
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_des_cbc_sha1_encrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
register int next = 0;
|
||
|
|
union {
|
||
|
|
uint32_t data32[2];
|
||
|
|
uint64_t data64[1];
|
||
|
|
} mydata;
|
||
|
|
uint64_t *data = &mydata.data64[0];
|
||
|
|
uint32_t *data32;
|
||
|
|
uint64_t tmp1, tmp2, tmp3;
|
||
|
|
int data_i, data_l, alen = auth_len;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
|
||
|
|
(crypt_len & 0x7) ||
|
||
|
|
(auth_len & 0x7) ||
|
||
|
|
(auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load 3DES Key */
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
} else if (od->octo_encklen == 8) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
CVMX_MT_3DES_IV(* (uint64_t *) ivp);
|
||
|
|
|
||
|
|
/* Load SHA1 IV */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[2], 2);
|
||
|
|
|
||
|
|
while (crypt_off > 0 && auth_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
crypt_off -= 4;
|
||
|
|
auth_off -= 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0 || auth_len > 0) {
|
||
|
|
uint32_t *first = data32;
|
||
|
|
mydata.data32[0] = *first;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata.data32[1] = *data32;
|
||
|
|
if (crypt_off <= 0) {
|
||
|
|
if (crypt_len > 0) {
|
||
|
|
CVMX_MT_3DES_ENC_CBC(*data);
|
||
|
|
CVMX_MF_3DES_RESULT(*data);
|
||
|
|
crypt_len -= 8;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
crypt_off -= 8;
|
||
|
|
if (auth_off <= 0) {
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_SHA_UNIT(*data, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
auth_off -= 8;
|
||
|
|
*first = mydata.data32[0];
|
||
|
|
*data32 = mydata.data32[1];
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_SHA_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Finish Inner hash */
|
||
|
|
while (next != 7) {
|
||
|
|
CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next);
|
||
|
|
}
|
||
|
|
CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next);
|
||
|
|
|
||
|
|
/* Get the inner hash of HMAC */
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
CVMX_MF_HSH_IV(tmp2, 1);
|
||
|
|
tmp3 = 0;
|
||
|
|
CVMX_MF_HSH_IV(tmp3, 2);
|
||
|
|
|
||
|
|
/* Initialize hash unit */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[2], 2);
|
||
|
|
|
||
|
|
CVMX_MT_HSH_DAT(tmp1, 0);
|
||
|
|
CVMX_MT_HSH_DAT(tmp2, 1);
|
||
|
|
tmp3 |= 0x0000000080000000;
|
||
|
|
CVMX_MT_HSH_DAT(tmp3, 2);
|
||
|
|
CVMX_MT_HSH_DATZ(3);
|
||
|
|
CVMX_MT_HSH_DATZ(4);
|
||
|
|
CVMX_MT_HSH_DATZ(5);
|
||
|
|
CVMX_MT_HSH_DATZ(6);
|
||
|
|
CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3));
|
||
|
|
|
||
|
|
/* save the HMAC */
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
while (icv_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
icv_off -= 4;
|
||
|
|
}
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
*data32 = (uint32_t) tmp1;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 1);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_des_cbc_sha1_decrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
register int next = 0;
|
||
|
|
union {
|
||
|
|
uint32_t data32[2];
|
||
|
|
uint64_t data64[1];
|
||
|
|
} mydata;
|
||
|
|
uint64_t *data = &mydata.data64[0];
|
||
|
|
uint32_t *data32;
|
||
|
|
uint64_t tmp1, tmp2, tmp3;
|
||
|
|
int data_i, data_l, alen = auth_len;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
|
||
|
|
(crypt_len & 0x7) ||
|
||
|
|
(auth_len & 0x7) ||
|
||
|
|
(auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load 3DES Key */
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
} else if (od->octo_encklen == 8) {
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
|
||
|
|
CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
CVMX_MT_3DES_IV(* (uint64_t *) ivp);
|
||
|
|
|
||
|
|
/* Load SHA1 IV */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[2], 2);
|
||
|
|
|
||
|
|
while (crypt_off > 0 && auth_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
crypt_off -= 4;
|
||
|
|
auth_off -= 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0 || auth_len > 0) {
|
||
|
|
uint32_t *first = data32;
|
||
|
|
mydata.data32[0] = *first;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata.data32[1] = *data32;
|
||
|
|
if (auth_off <= 0) {
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_SHA_UNIT(*data, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
auth_off -= 8;
|
||
|
|
if (crypt_off <= 0) {
|
||
|
|
if (crypt_len > 0) {
|
||
|
|
CVMX_MT_3DES_DEC_CBC(*data);
|
||
|
|
CVMX_MF_3DES_RESULT(*data);
|
||
|
|
crypt_len -= 8;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
crypt_off -= 8;
|
||
|
|
*first = mydata.data32[0];
|
||
|
|
*data32 = mydata.data32[1];
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_SHA_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Finish Inner hash */
|
||
|
|
while (next != 7) {
|
||
|
|
CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next);
|
||
|
|
}
|
||
|
|
CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next);
|
||
|
|
|
||
|
|
/* Get the inner hash of HMAC */
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
CVMX_MF_HSH_IV(tmp2, 1);
|
||
|
|
tmp3 = 0;
|
||
|
|
CVMX_MF_HSH_IV(tmp3, 2);
|
||
|
|
|
||
|
|
/* Initialize hash unit */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[2], 2);
|
||
|
|
|
||
|
|
CVMX_MT_HSH_DAT(tmp1, 0);
|
||
|
|
CVMX_MT_HSH_DAT(tmp2, 1);
|
||
|
|
tmp3 |= 0x0000000080000000;
|
||
|
|
CVMX_MT_HSH_DAT(tmp3, 2);
|
||
|
|
CVMX_MT_HSH_DATZ(3);
|
||
|
|
CVMX_MT_HSH_DATZ(4);
|
||
|
|
CVMX_MT_HSH_DATZ(5);
|
||
|
|
CVMX_MT_HSH_DATZ(6);
|
||
|
|
CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3));
|
||
|
|
/* save the HMAC */
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
while (icv_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
icv_off -= 4;
|
||
|
|
}
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
*data32 = (uint32_t) tmp1;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 1);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/****************************************************************************/
|
||
|
|
/* AES MD5 */
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_aes_cbc_md5_encrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
register int next = 0;
|
||
|
|
union {
|
||
|
|
uint32_t data32[2];
|
||
|
|
uint64_t data64[1];
|
||
|
|
} mydata[2];
|
||
|
|
uint64_t *pdata = &mydata[0].data64[0];
|
||
|
|
uint64_t *data = &mydata[1].data64[0];
|
||
|
|
uint32_t *data32;
|
||
|
|
uint64_t tmp1, tmp2;
|
||
|
|
int data_i, data_l, alen = auth_len;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
|
||
|
|
(crypt_len & 0x7) ||
|
||
|
|
(auth_len & 0x7) ||
|
||
|
|
(auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load AES Key */
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
|
||
|
|
if (od->octo_encklen == 16) {
|
||
|
|
CVMX_MT_AES_KEY(0x0, 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 32) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
|
||
|
|
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
|
||
|
|
|
||
|
|
/* Load MD5 IV */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
|
||
|
|
|
||
|
|
while (crypt_off > 0 && auth_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
crypt_off -= 4;
|
||
|
|
auth_off -= 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* align auth and crypt */
|
||
|
|
while (crypt_off > 0 && auth_len > 0) {
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVM_LOAD_MD5_UNIT(*pdata, next);
|
||
|
|
crypt_off -= 8;
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0) {
|
||
|
|
uint32_t *pdata32[3];
|
||
|
|
|
||
|
|
pdata32[0] = data32;
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
pdata32[1] = data32;
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
pdata32[2] = data32;
|
||
|
|
mydata[1].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
mydata[1].data32[1] = *data32;
|
||
|
|
|
||
|
|
CVMX_MT_AES_ENC_CBC0(*pdata);
|
||
|
|
CVMX_MT_AES_ENC_CBC1(*data);
|
||
|
|
CVMX_MF_AES_RESULT(*pdata, 0);
|
||
|
|
CVMX_MF_AES_RESULT(*data, 1);
|
||
|
|
crypt_len -= 16;
|
||
|
|
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_MD5_UNIT(*pdata, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_MD5_UNIT(*data, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
*pdata32[0] = mydata[0].data32[0];
|
||
|
|
*pdata32[1] = mydata[0].data32[1];
|
||
|
|
*pdata32[2] = mydata[1].data32[0];
|
||
|
|
*data32 = mydata[1].data32[1];
|
||
|
|
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish any left over hashing */
|
||
|
|
while (auth_len > 0) {
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVM_LOAD_MD5_UNIT(*pdata, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Finish Inner hash */
|
||
|
|
while (next != 7) {
|
||
|
|
CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next);
|
||
|
|
}
|
||
|
|
CVMX_ES64(tmp1, ((alen + 64) << 3));
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp1, next);
|
||
|
|
|
||
|
|
/* Get the inner hash of HMAC */
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
CVMX_MF_HSH_IV(tmp2, 1);
|
||
|
|
|
||
|
|
/* Initialize hash unit */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
|
||
|
|
|
||
|
|
CVMX_MT_HSH_DAT(tmp1, 0);
|
||
|
|
CVMX_MT_HSH_DAT(tmp2, 1);
|
||
|
|
CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2);
|
||
|
|
CVMX_MT_HSH_DATZ(3);
|
||
|
|
CVMX_MT_HSH_DATZ(4);
|
||
|
|
CVMX_MT_HSH_DATZ(5);
|
||
|
|
CVMX_MT_HSH_DATZ(6);
|
||
|
|
CVMX_ES64(tmp1, ((64 + 16) << 3));
|
||
|
|
CVMX_MT_HSH_STARTMD5(tmp1);
|
||
|
|
|
||
|
|
/* save the HMAC */
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
while (icv_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
icv_off -= 4;
|
||
|
|
}
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
*data32 = (uint32_t) tmp1;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 1);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_aes_cbc_md5_decrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
register int next = 0;
|
||
|
|
union {
|
||
|
|
uint32_t data32[2];
|
||
|
|
uint64_t data64[1];
|
||
|
|
} mydata[2];
|
||
|
|
uint64_t *pdata = &mydata[0].data64[0];
|
||
|
|
uint64_t *data = &mydata[1].data64[0];
|
||
|
|
uint32_t *data32;
|
||
|
|
uint64_t tmp1, tmp2;
|
||
|
|
int data_i, data_l, alen = auth_len;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s()\n", __FUNCTION__);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
|
||
|
|
(crypt_len & 0x7) ||
|
||
|
|
(auth_len & 0x7) ||
|
||
|
|
(auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load AES Key */
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
|
||
|
|
if (od->octo_encklen == 16) {
|
||
|
|
CVMX_MT_AES_KEY(0x0, 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 32) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
|
||
|
|
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
|
||
|
|
|
||
|
|
/* Load MD5 IV */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
|
||
|
|
|
||
|
|
while (crypt_off > 0 && auth_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
crypt_off -= 4;
|
||
|
|
auth_off -= 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* align auth and crypt */
|
||
|
|
while (crypt_off > 0 && auth_len > 0) {
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVM_LOAD_MD5_UNIT(*pdata, next);
|
||
|
|
crypt_off -= 8;
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0) {
|
||
|
|
uint32_t *pdata32[3];
|
||
|
|
|
||
|
|
pdata32[0] = data32;
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
pdata32[1] = data32;
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
pdata32[2] = data32;
|
||
|
|
mydata[1].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[1].data32[1] = *data32;
|
||
|
|
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_MD5_UNIT(*pdata, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_MD5_UNIT(*data, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
CVMX_MT_AES_DEC_CBC0(*pdata);
|
||
|
|
CVMX_MT_AES_DEC_CBC1(*data);
|
||
|
|
CVMX_MF_AES_RESULT(*pdata, 0);
|
||
|
|
CVMX_MF_AES_RESULT(*data, 1);
|
||
|
|
crypt_len -= 16;
|
||
|
|
|
||
|
|
*pdata32[0] = mydata[0].data32[0];
|
||
|
|
*pdata32[1] = mydata[0].data32[1];
|
||
|
|
*pdata32[2] = mydata[1].data32[0];
|
||
|
|
*data32 = mydata[1].data32[1];
|
||
|
|
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish left over hash if any */
|
||
|
|
while (auth_len > 0) {
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVM_LOAD_MD5_UNIT(*pdata, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Finish Inner hash */
|
||
|
|
while (next != 7) {
|
||
|
|
CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next);
|
||
|
|
}
|
||
|
|
CVMX_ES64(tmp1, ((alen + 64) << 3));
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp1, next);
|
||
|
|
|
||
|
|
/* Get the inner hash of HMAC */
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
CVMX_MF_HSH_IV(tmp2, 1);
|
||
|
|
|
||
|
|
/* Initialize hash unit */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
|
||
|
|
|
||
|
|
CVMX_MT_HSH_DAT(tmp1, 0);
|
||
|
|
CVMX_MT_HSH_DAT(tmp2, 1);
|
||
|
|
CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2);
|
||
|
|
CVMX_MT_HSH_DATZ(3);
|
||
|
|
CVMX_MT_HSH_DATZ(4);
|
||
|
|
CVMX_MT_HSH_DATZ(5);
|
||
|
|
CVMX_MT_HSH_DATZ(6);
|
||
|
|
CVMX_ES64(tmp1, ((64 + 16) << 3));
|
||
|
|
CVMX_MT_HSH_STARTMD5(tmp1);
|
||
|
|
|
||
|
|
/* save the HMAC */
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
while (icv_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
icv_off -= 4;
|
||
|
|
}
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
*data32 = (uint32_t) tmp1;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 1);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/****************************************************************************/
|
||
|
|
/* AES SHA1 */
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_aes_cbc_sha1_encrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
register int next = 0;
|
||
|
|
union {
|
||
|
|
uint32_t data32[2];
|
||
|
|
uint64_t data64[1];
|
||
|
|
} mydata[2];
|
||
|
|
uint64_t *pdata = &mydata[0].data64[0];
|
||
|
|
uint64_t *data = &mydata[1].data64[0];
|
||
|
|
uint32_t *data32;
|
||
|
|
uint64_t tmp1, tmp2, tmp3;
|
||
|
|
int data_i, data_l, alen = auth_len;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s(a_off=%d a_len=%d c_off=%d c_len=%d icv_off=%d)\n",
|
||
|
|
__FUNCTION__, auth_off, auth_len, crypt_off, crypt_len, icv_off);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
|
||
|
|
(crypt_len & 0x7) ||
|
||
|
|
(auth_len & 0x7) ||
|
||
|
|
(auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load AES Key */
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
|
||
|
|
if (od->octo_encklen == 16) {
|
||
|
|
CVMX_MT_AES_KEY(0x0, 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 32) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
|
||
|
|
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
|
||
|
|
|
||
|
|
/* Load SHA IV */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[2], 2);
|
||
|
|
|
||
|
|
while (crypt_off > 0 && auth_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
crypt_off -= 4;
|
||
|
|
auth_off -= 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* align auth and crypt */
|
||
|
|
while (crypt_off > 0 && auth_len > 0) {
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVM_LOAD_SHA_UNIT(*pdata, next);
|
||
|
|
crypt_off -= 8;
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0) {
|
||
|
|
uint32_t *pdata32[3];
|
||
|
|
|
||
|
|
pdata32[0] = data32;
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
pdata32[1] = data32;
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
pdata32[2] = data32;
|
||
|
|
mydata[1].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[1].data32[1] = *data32;
|
||
|
|
|
||
|
|
CVMX_MT_AES_ENC_CBC0(*pdata);
|
||
|
|
CVMX_MT_AES_ENC_CBC1(*data);
|
||
|
|
CVMX_MF_AES_RESULT(*pdata, 0);
|
||
|
|
CVMX_MF_AES_RESULT(*data, 1);
|
||
|
|
crypt_len -= 16;
|
||
|
|
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_SHA_UNIT(*pdata, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_SHA_UNIT(*data, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
*pdata32[0] = mydata[0].data32[0];
|
||
|
|
*pdata32[1] = mydata[0].data32[1];
|
||
|
|
*pdata32[2] = mydata[1].data32[0];
|
||
|
|
*data32 = mydata[1].data32[1];
|
||
|
|
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish and hashing */
|
||
|
|
while (auth_len > 0) {
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVM_LOAD_SHA_UNIT(*pdata, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_SHA_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Finish Inner hash */
|
||
|
|
while (next != 7) {
|
||
|
|
CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next);
|
||
|
|
}
|
||
|
|
CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next);
|
||
|
|
|
||
|
|
/* Get the inner hash of HMAC */
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
CVMX_MF_HSH_IV(tmp2, 1);
|
||
|
|
tmp3 = 0;
|
||
|
|
CVMX_MF_HSH_IV(tmp3, 2);
|
||
|
|
|
||
|
|
/* Initialize hash unit */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[2], 2);
|
||
|
|
|
||
|
|
CVMX_MT_HSH_DAT(tmp1, 0);
|
||
|
|
CVMX_MT_HSH_DAT(tmp2, 1);
|
||
|
|
tmp3 |= 0x0000000080000000;
|
||
|
|
CVMX_MT_HSH_DAT(tmp3, 2);
|
||
|
|
CVMX_MT_HSH_DATZ(3);
|
||
|
|
CVMX_MT_HSH_DATZ(4);
|
||
|
|
CVMX_MT_HSH_DATZ(5);
|
||
|
|
CVMX_MT_HSH_DATZ(6);
|
||
|
|
CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3));
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* save the HMAC */
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
while (icv_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
icv_off -= 4;
|
||
|
|
}
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
*data32 = (uint32_t) tmp1;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 1);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
octo_aes_cbc_sha1_decrypt(
|
||
|
|
struct octo_sess *od,
|
||
|
|
struct scatterlist *sg, int sg_len,
|
||
|
|
int auth_off, int auth_len,
|
||
|
|
int crypt_off, int crypt_len,
|
||
|
|
int icv_off, uint8_t *ivp)
|
||
|
|
{
|
||
|
|
register int next = 0;
|
||
|
|
union {
|
||
|
|
uint32_t data32[2];
|
||
|
|
uint64_t data64[1];
|
||
|
|
} mydata[2];
|
||
|
|
uint64_t *pdata = &mydata[0].data64[0];
|
||
|
|
uint64_t *data = &mydata[1].data64[0];
|
||
|
|
uint32_t *data32;
|
||
|
|
uint64_t tmp1, tmp2, tmp3;
|
||
|
|
int data_i, data_l, alen = auth_len;
|
||
|
|
struct octeon_cop2_state state;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
dprintk("%s(a_off=%d a_len=%d c_off=%d c_len=%d icv_off=%d)\n",
|
||
|
|
__FUNCTION__, auth_off, auth_len, crypt_off, crypt_len, icv_off);
|
||
|
|
|
||
|
|
if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
|
||
|
|
(crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
|
||
|
|
(crypt_len & 0x7) ||
|
||
|
|
(auth_len & 0x7) ||
|
||
|
|
(auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
|
||
|
|
dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
|
||
|
|
"auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
|
||
|
|
"icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
|
||
|
|
auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
|
||
|
|
CVMX_PREFETCH0(ivp);
|
||
|
|
CVMX_PREFETCH0(od->octo_enckey);
|
||
|
|
|
||
|
|
flags = octeon_crypto_enable(&state);
|
||
|
|
|
||
|
|
/* load AES Key */
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
|
||
|
|
|
||
|
|
if (od->octo_encklen == 16) {
|
||
|
|
CVMX_MT_AES_KEY(0x0, 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 24) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(0x0, 3);
|
||
|
|
} else if (od->octo_encklen == 32) {
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
|
||
|
|
CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
|
||
|
|
} else {
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
|
||
|
|
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
|
||
|
|
CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
|
||
|
|
|
||
|
|
/* Load SHA1 IV */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hminner[2], 2);
|
||
|
|
|
||
|
|
while (crypt_off > 0 && auth_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
crypt_off -= 4;
|
||
|
|
auth_off -= 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* align auth and crypt */
|
||
|
|
while (crypt_off > 0 && auth_len > 0) {
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVM_LOAD_SHA_UNIT(*pdata, next);
|
||
|
|
crypt_off -= 8;
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (crypt_len > 0) {
|
||
|
|
uint32_t *pdata32[3];
|
||
|
|
|
||
|
|
pdata32[0] = data32;
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
pdata32[1] = data32;
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
pdata32[2] = data32;
|
||
|
|
mydata[1].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[1].data32[1] = *data32;
|
||
|
|
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_SHA_UNIT(*pdata, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
if (auth_len > 0) {
|
||
|
|
CVM_LOAD_SHA_UNIT(*data, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
CVMX_MT_AES_DEC_CBC0(*pdata);
|
||
|
|
CVMX_MT_AES_DEC_CBC1(*data);
|
||
|
|
CVMX_MF_AES_RESULT(*pdata, 0);
|
||
|
|
CVMX_MF_AES_RESULT(*data, 1);
|
||
|
|
crypt_len -= 16;
|
||
|
|
|
||
|
|
*pdata32[0] = mydata[0].data32[0];
|
||
|
|
*pdata32[1] = mydata[0].data32[1];
|
||
|
|
*pdata32[2] = mydata[1].data32[0];
|
||
|
|
*data32 = mydata[1].data32[1];
|
||
|
|
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish and leftover hashing */
|
||
|
|
while (auth_len > 0) {
|
||
|
|
mydata[0].data32[0] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
mydata[0].data32[1] = *data32;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVM_LOAD_SHA_UNIT(*pdata, next);
|
||
|
|
auth_len -= 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_SHA_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Finish Inner hash */
|
||
|
|
while (next != 7) {
|
||
|
|
CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next);
|
||
|
|
}
|
||
|
|
CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next);
|
||
|
|
|
||
|
|
/* Get the inner hash of HMAC */
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
CVMX_MF_HSH_IV(tmp2, 1);
|
||
|
|
tmp3 = 0;
|
||
|
|
CVMX_MF_HSH_IV(tmp3, 2);
|
||
|
|
|
||
|
|
/* Initialize hash unit */
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
|
||
|
|
CVMX_MT_HSH_IV(od->octo_hmouter[2], 2);
|
||
|
|
|
||
|
|
CVMX_MT_HSH_DAT(tmp1, 0);
|
||
|
|
CVMX_MT_HSH_DAT(tmp2, 1);
|
||
|
|
tmp3 |= 0x0000000080000000;
|
||
|
|
CVMX_MT_HSH_DAT(tmp3, 2);
|
||
|
|
CVMX_MT_HSH_DATZ(3);
|
||
|
|
CVMX_MT_HSH_DATZ(4);
|
||
|
|
CVMX_MT_HSH_DATZ(5);
|
||
|
|
CVMX_MT_HSH_DATZ(6);
|
||
|
|
CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3));
|
||
|
|
|
||
|
|
/* finish the hash */
|
||
|
|
CVMX_PREFETCH0(od->octo_hmouter);
|
||
|
|
#if 0
|
||
|
|
if (unlikely(inplen)) {
|
||
|
|
uint64_t tmp = 0;
|
||
|
|
uint8_t *p = (uint8_t *) & tmp;
|
||
|
|
p[inplen] = 0x80;
|
||
|
|
do {
|
||
|
|
inplen--;
|
||
|
|
p[inplen] = ((uint8_t *) data)[inplen];
|
||
|
|
} while (inplen);
|
||
|
|
CVM_LOAD_MD5_UNIT(tmp, next);
|
||
|
|
} else {
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* save the HMAC */
|
||
|
|
SG_INIT(sg, data32, data_i, data_l);
|
||
|
|
while (icv_off > 0) {
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
icv_off -= 4;
|
||
|
|
}
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 0);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
*data32 = (uint32_t) tmp1;
|
||
|
|
SG_CONSUME(sg, data32, data_i, data_l);
|
||
|
|
CVMX_MF_HSH_IV(tmp1, 1);
|
||
|
|
*data32 = (uint32_t) (tmp1 >> 32);
|
||
|
|
|
||
|
|
octeon_crypto_disable(&state, flags);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/****************************************************************************/
|