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520 lines
15 KiB
520 lines
15 KiB
/* ====================================================================
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* Copyright (c) 2014 - 2017 The GmSSL Project. All rights 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
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#include <stdint.h>
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#include <string.h>
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#include "modes_lcl.h"
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typedef struct {
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uint32_t digest[8];
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uint64_t nblocks;
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unsigned char block[64];
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int num;
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} rkgm_sm3_ctx_t;
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#define SM3_DIGEST_LENGTH 32
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#define SM3_BLOCK_SIZE 64
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#define SM3_CBLOCK (SM3_BLOCK_SIZE)
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#define SM3_HMAC_SIZE (SM3_DIGEST_LENGTH)
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void rkgm_sm3_init(rkgm_sm3_ctx_t *ctx);
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void rkgm_sm3_update(rkgm_sm3_ctx_t *ctx, const unsigned char* data, size_t data_len);
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void rkgm_sm3_final(rkgm_sm3_ctx_t *ctx, unsigned char digest[SM3_DIGEST_LENGTH]);
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void rkgm_sm3_compress(uint32_t digest[8], const unsigned char block[SM3_BLOCK_SIZE]);
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static void sm3_compress_blocks(uint32_t digest[8],
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const unsigned char *data, size_t blocks);
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void rkgm_sm3_init(rkgm_sm3_ctx_t *ctx)
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{
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memset(ctx, 0, sizeof(*ctx));
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ctx->digest[0] = 0x7380166F;
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ctx->digest[1] = 0x4914B2B9;
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ctx->digest[2] = 0x172442D7;
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ctx->digest[3] = 0xDA8A0600;
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ctx->digest[4] = 0xA96F30BC;
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ctx->digest[5] = 0x163138AA;
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ctx->digest[6] = 0xE38DEE4D;
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ctx->digest[7] = 0xB0FB0E4E;
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}
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void sm3_compute_id_digest(unsigned char z[32], const char *id,
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const unsigned char x[32], const unsigned char y[32])
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{
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unsigned char zin[] = {
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0x00, 0x80,
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0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
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0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
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0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC,
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0x28, 0xE9, 0xFA, 0x9E, 0x9D, 0x9F, 0x5E, 0x34,
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0x4D, 0x5A, 0x9E, 0x4B, 0xCF, 0x65, 0x09, 0xA7,
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0xF3, 0x97, 0x89, 0xF5, 0x15, 0xAB, 0x8F, 0x92,
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0xDD, 0xBC, 0xBD, 0x41, 0x4D, 0x94, 0x0E, 0x93,
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0x32, 0xC4, 0xAE, 0x2C, 0x1F, 0x19, 0x81, 0x19,
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0x5F, 0x99, 0x04, 0x46, 0x6A, 0x39, 0xC9, 0x94,
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0x8F, 0xE3, 0x0B, 0xBF, 0xF2, 0x66, 0x0B, 0xE1,
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0x71, 0x5A, 0x45, 0x89, 0x33, 0x4C, 0x74, 0xC7,
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0xBC, 0x37, 0x36, 0xA2, 0xF4, 0xF6, 0x77, 0x9C,
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0x59, 0xBD, 0xCE, 0xE3, 0x6B, 0x69, 0x21, 0x53,
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0xD0, 0xA9, 0x87, 0x7C, 0xC6, 0x2A, 0x47, 0x40,
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0x02, 0xDF, 0x32, 0xE5, 0x21, 0x39, 0xF0, 0xA0,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x06, 0x90,
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};
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if (!id || strcmp(id, "1234567812345678")) {
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unsigned int digest[8] = {
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0xadadedb5U, 0x0446043fU, 0x08a87aceU, 0xe86d2243U,
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0x8e232383U, 0xbfc81fe2U, 0xcf9117c8U, 0x4707011dU,
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};
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memcpy(&zin[128], x, 32);
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memcpy(&zin[160], y, 32);
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sm3_compress_blocks(digest, zin, 2);
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PUTU32(z , digest[0]);
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PUTU32(z + 4, digest[1]);
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PUTU32(z + 8, digest[2]);
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PUTU32(z + 12, digest[3]);
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PUTU32(z + 16, digest[4]);
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PUTU32(z + 20, digest[5]);
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PUTU32(z + 24, digest[6]);
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PUTU32(z + 28, digest[7]);
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} else {
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rkgm_sm3_ctx_t ctx;
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unsigned char idbits[2];
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size_t len;
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len = strlen(id);
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idbits[0] = (unsigned char)(len >> 5);
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idbits[1] = (unsigned char)(len << 3);
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rkgm_sm3_init(&ctx);
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rkgm_sm3_update(&ctx, idbits, 2);
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rkgm_sm3_update(&ctx, (unsigned char *)id, len);
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rkgm_sm3_update(&ctx, zin + 18, 128);
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rkgm_sm3_update(&ctx, x, 32);
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rkgm_sm3_update(&ctx, y, 32);
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rkgm_sm3_final(&ctx, z);
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}
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}
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int sm3_sm2_init(rkgm_sm3_ctx_t *ctx, const char *id,
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const unsigned char *x, const unsigned char *y)
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{
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unsigned char z[32];
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if ((id && strlen(id) > 65535/8) || !x || !y) {
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return 0;
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}
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sm3_compute_id_digest(z, id, x, y);
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rkgm_sm3_init(ctx);
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rkgm_sm3_update(ctx, z, 32);
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return 1;
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}
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void rkgm_sm3_update(rkgm_sm3_ctx_t *ctx, const unsigned char *data, size_t data_len)
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{
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size_t blocks;
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if (ctx->num) {
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unsigned int left = SM3_BLOCK_SIZE - ctx->num;
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if (data_len < left) {
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memcpy(ctx->block + ctx->num, data, data_len);
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ctx->num += data_len;
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return;
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} else {
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memcpy(ctx->block + ctx->num, data, left);
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sm3_compress_blocks(ctx->digest, ctx->block, 1);
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ctx->nblocks++;
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data += left;
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data_len -= left;
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}
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}
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blocks = data_len / SM3_BLOCK_SIZE;
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sm3_compress_blocks(ctx->digest, data, blocks);
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ctx->nblocks += blocks;
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data += SM3_BLOCK_SIZE * blocks;
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data_len -= SM3_BLOCK_SIZE * blocks;
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ctx->num = data_len;
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if (data_len) {
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memcpy(ctx->block, data, data_len);
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}
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}
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void rkgm_sm3_final(rkgm_sm3_ctx_t *ctx, unsigned char *digest)
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{
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int i;
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ctx->block[ctx->num] = 0x80;
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if (ctx->num + 9 <= SM3_BLOCK_SIZE) {
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memset(ctx->block + ctx->num + 1, 0, SM3_BLOCK_SIZE - ctx->num - 9);
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} else {
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memset(ctx->block + ctx->num + 1, 0, SM3_BLOCK_SIZE - ctx->num - 1);
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rkgm_sm3_compress(ctx->digest, ctx->block);
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memset(ctx->block, 0, SM3_BLOCK_SIZE - 8);
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}
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PUTU32(ctx->block + 56, ctx->nblocks >> 23);
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PUTU32(ctx->block + 60, (ctx->nblocks << 9) + (ctx->num << 3));
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rkgm_sm3_compress(ctx->digest, ctx->block);
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for (i = 0; i < 8; i++) {
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PUTU32(digest + i*4, ctx->digest[i]);
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}
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}
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#define ROTL(x,n) (((x)<<(n)) | ((x)>>(32-(n))))
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#define P0(x) ((x) ^ ROL32((x), 9) ^ ROL32((x),17))
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#define P1(x) ((x) ^ ROL32((x),15) ^ ROL32((x),23))
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#define FF00(x,y,z) ((x) ^ (y) ^ (z))
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#define FF16(x,y,z) (((x)&(y)) | ((x)&(z)) | ((y)&(z)))
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#define GG00(x,y,z) ((x) ^ (y) ^ (z))
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#define GG16(x,y,z) ((((y)^(z)) & (x)) ^ (z))
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#define R(A, B, C, D, E, F, G, H, xx) \
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SS1 = ROL32((ROL32(A, 12) + E + K[j]), 7); \
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SS2 = SS1 ^ ROL32(A, 12); \
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TT1 = FF##xx(A, B, C) + D + SS2 + (W[j] ^ W[j + 4]); \
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TT2 = GG##xx(E, F, G) + H + SS1 + W[j]; \
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B = ROL32(B, 9); \
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H = TT1; \
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F = ROL32(F, 19); \
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D = P0(TT2); \
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j++
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#define R8(A, B, C, D, E, F, G, H, xx) \
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R(A, B, C, D, E, F, G, H, xx); \
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R(H, A, B, C, D, E, F, G, xx); \
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R(G, H, A, B, C, D, E, F, xx); \
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R(F, G, H, A, B, C, D, E, xx); \
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R(E, F, G, H, A, B, C, D, xx); \
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R(D, E, F, G, H, A, B, C, xx); \
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R(C, D, E, F, G, H, A, B, xx); \
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R(B, C, D, E, F, G, H, A, xx)
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#define T00 0x79cc4519U
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#define T16 0x7a879d8aU
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#define K0 0x79cc4519U
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#define K1 0xf3988a32U
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#define K2 0xe7311465U
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#define K3 0xce6228cbU
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#define K4 0x9cc45197U
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#define K5 0x3988a32fU
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#define K6 0x7311465eU
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#define K7 0xe6228cbcU
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#define K8 0xcc451979U
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#define K9 0x988a32f3U
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#define K10 0x311465e7U
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#define K11 0x6228cbceU
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#define K12 0xc451979cU
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#define K13 0x88a32f39U
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#define K14 0x11465e73U
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#define K15 0x228cbce6U
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#define K16 0x9d8a7a87U
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#define K17 0x3b14f50fU
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#define K18 0x7629ea1eU
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#define K19 0xec53d43cU
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#define K20 0xd8a7a879U
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#define K21 0xb14f50f3U
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#define K22 0x629ea1e7U
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#define K23 0xc53d43ceU
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#define K24 0x8a7a879dU
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#define K25 0x14f50f3bU
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#define K26 0x29ea1e76U
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#define K27 0x53d43cecU
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#define K28 0xa7a879d8U
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#define K29 0x4f50f3b1U
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#define K30 0x9ea1e762U
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#define K31 0x3d43cec5U
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#define K32 0x7a879d8aU
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#define K33 0xf50f3b14U
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#define K34 0xea1e7629U
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#define K35 0xd43cec53U
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#define K36 0xa879d8a7U
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#define K37 0x50f3b14fU
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#define K38 0xa1e7629eU
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#define K39 0x43cec53dU
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#define K40 0x879d8a7aU
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#define K41 0x0f3b14f5U
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#define K42 0x1e7629eaU
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#define K43 0x3cec53d4U
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#define K44 0x79d8a7a8U
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#define K45 0xf3b14f50U
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#define K46 0xe7629ea1U
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#define K47 0xcec53d43U
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#define K48 0x9d8a7a87U
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#define K49 0x3b14f50fU
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#define K50 0x7629ea1eU
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#define K51 0xec53d43cU
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#define K52 0xd8a7a879U
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#define K53 0xb14f50f3U
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#define K54 0x629ea1e7U
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#define K55 0xc53d43ceU
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#define K56 0x8a7a879dU
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#define K57 0x14f50f3bU
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#define K58 0x29ea1e76U
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#define K59 0x53d43cecU
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#define K60 0xa7a879d8U
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#define K61 0x4f50f3b1U
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#define K62 0x9ea1e762U
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#define K63 0x3d43cec5U
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uint32_t K[64] = {
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K0, K1, K2, K3, K4, K5, K6, K7,
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K8, K9, K10, K11, K12, K13, K14, K15,
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K16, K17, K18, K19, K20, K21, K22, K23,
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K24, K25, K26, K27, K28, K29, K30, K31,
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K32, K33, K34, K35, K36, K37, K38, K39,
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K40, K41, K42, K43, K44, K45, K46, K47,
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K48, K49, K50, K51, K52, K53, K54, K55,
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K56, K57, K58, K59, K60, K61, K62, K63,
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/*
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0x79cc4519U, 0xf3988a32U, 0xe7311465U, 0xce6228cbU,
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0x9cc45197U, 0x3988a32fU, 0x7311465eU, 0xe6228cbcU,
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0xcc451979U, 0x988a32f3U, 0x311465e7U, 0x6228cbceU,
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0xc451979cU, 0x88a32f39U, 0x11465e73U, 0x228cbce6U,
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0x9d8a7a87U, 0x3b14f50fU, 0x7629ea1eU, 0xec53d43cU,
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0xd8a7a879U, 0xb14f50f3U, 0x629ea1e7U, 0xc53d43ceU,
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0x8a7a879dU, 0x14f50f3bU, 0x29ea1e76U, 0x53d43cecU,
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0xa7a879d8U, 0x4f50f3b1U, 0x9ea1e762U, 0x3d43cec5U,
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0x7a879d8aU, 0xf50f3b14U, 0xea1e7629U, 0xd43cec53U,
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0xa879d8a7U, 0x50f3b14fU, 0xa1e7629eU, 0x43cec53dU,
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0x879d8a7aU, 0x0f3b14f5U, 0x1e7629eaU, 0x3cec53d4U,
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0x79d8a7a8U, 0xf3b14f50U, 0xe7629ea1U, 0xcec53d43U,
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0x9d8a7a87U, 0x3b14f50fU, 0x7629ea1eU, 0xec53d43cU,
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0xd8a7a879U, 0xb14f50f3U, 0x629ea1e7U, 0xc53d43ceU,
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0x8a7a879dU, 0x14f50f3bU, 0x29ea1e76U, 0x53d43cecU,
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0xa7a879d8U, 0x4f50f3b1U, 0x9ea1e762U, 0x3d43cec5U,
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*/
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};
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static void sm3_compress_blocks(uint32_t digest[8],
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const unsigned char *data, size_t blocks)
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{
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uint32_t A;
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uint32_t B;
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uint32_t C;
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uint32_t D;
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uint32_t E;
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uint32_t F;
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uint32_t G;
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uint32_t H;
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uint32_t W[68];
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uint32_t SS1, SS2, TT1, TT2;
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int j;
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#ifdef SM3_SSE3
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__m128i X, T, R;
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__m128i M = _mm_setr_epi32(0, 0, 0, 0xffffffff);
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|
__m128i V = _mm_setr_epi8(3,2,1,0,7,6,5,4,11,10,9,8,15,14,13,12);
|
|
#endif
|
|
|
|
while (blocks--) {
|
|
|
|
A = digest[0];
|
|
B = digest[1];
|
|
C = digest[2];
|
|
D = digest[3];
|
|
E = digest[4];
|
|
F = digest[5];
|
|
G = digest[6];
|
|
H = digest[7];
|
|
|
|
|
|
#ifdef SM3_SSE3
|
|
|
|
for (j = 0; j < 16; j += 4) {
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|
X = _mm_loadu_si128((__m128i *)(data + j * 4));
|
|
X = _mm_shuffle_epi8(X, V);
|
|
_mm_storeu_si128((__m128i *)(W + j), X);
|
|
}
|
|
|
|
for (j = 16; j < 68; j += 4) {
|
|
/* X = (W[j - 3], W[j - 2], W[j - 1], 0) */
|
|
X = _mm_loadu_si128((__m128i *)(W + j - 3));
|
|
X = _mm_andnot_si128(M, X);
|
|
|
|
X = _mm_rotl_epi32(X, 15);
|
|
T = _mm_loadu_si128((__m128i *)(W + j - 9));
|
|
X = _mm_xor_si128(X, T);
|
|
T = _mm_loadu_si128((__m128i *)(W + j - 16));
|
|
X = _mm_xor_si128(X, T);
|
|
|
|
/* P1() */
|
|
T = _mm_rotl_epi32(X, (23 - 15));
|
|
T = _mm_xor_si128(T, X);
|
|
T = _mm_rotl_epi32(T, 15);
|
|
X = _mm_xor_si128(X, T);
|
|
|
|
T = _mm_loadu_si128((__m128i *)(W + j - 13));
|
|
T = _mm_rotl_epi32(T, 7);
|
|
X = _mm_xor_si128(X, T);
|
|
T = _mm_loadu_si128((__m128i *)(W + j - 6));
|
|
X = _mm_xor_si128(X, T);
|
|
|
|
/* W[j + 3] ^= P1(ROL32(W[j + 1], 15)) */
|
|
R = _mm_shuffle_epi32(X, 0);
|
|
R = _mm_and_si128(R, M);
|
|
T = _mm_rotl_epi32(R, 15);
|
|
T = _mm_xor_si128(T, R);
|
|
T = _mm_rotl_epi32(T, 9);
|
|
R = _mm_xor_si128(R, T);
|
|
R = _mm_rotl_epi32(R, 6);
|
|
X = _mm_xor_si128(X, R);
|
|
|
|
_mm_storeu_si128((__m128i *)(W + j), X);
|
|
}
|
|
#else
|
|
for (j = 0; j < 16; j++)
|
|
W[j] = GETU32(data + j*4);
|
|
|
|
for (; j < 68; j++)
|
|
W[j] = P1(W[j - 16] ^ W[j - 9] ^ ROL32(W[j - 3], 15))
|
|
^ ROL32(W[j - 13], 7) ^ W[j - 6];
|
|
#endif
|
|
|
|
|
|
j = 0;
|
|
|
|
#define FULL_UNROLL
|
|
#ifdef FULL_UNROLL
|
|
R8(A, B, C, D, E, F, G, H, 00);
|
|
R8(A, B, C, D, E, F, G, H, 00);
|
|
R8(A, B, C, D, E, F, G, H, 16);
|
|
R8(A, B, C, D, E, F, G, H, 16);
|
|
R8(A, B, C, D, E, F, G, H, 16);
|
|
R8(A, B, C, D, E, F, G, H, 16);
|
|
R8(A, B, C, D, E, F, G, H, 16);
|
|
R8(A, B, C, D, E, F, G, H, 16);
|
|
#else
|
|
for (; j < 16; j++) {
|
|
SS1 = ROL32((ROL32(A, 12) + E + K(j)), 7);
|
|
SS2 = SS1 ^ ROL32(A, 12);
|
|
TT1 = FF00(A, B, C) + D + SS2 + (W[j] ^ W[j + 4]);
|
|
TT2 = GG00(E, F, G) + H + SS1 + W[j];
|
|
D = C;
|
|
C = ROL32(B, 9);
|
|
B = A;
|
|
A = TT1;
|
|
H = G;
|
|
G = ROL32(F, 19);
|
|
F = E;
|
|
E = P0(TT2);
|
|
}
|
|
|
|
for (; j < 64; j++) {
|
|
SS1 = ROL32((ROL32(A, 12) + E + K(j)), 7);
|
|
SS2 = SS1 ^ ROL32(A, 12);
|
|
TT1 = FF16(A, B, C) + D + SS2 + (W[j] ^ W[j + 4]);
|
|
TT2 = GG16(E, F, G) + H + SS1 + W[j];
|
|
D = C;
|
|
C = ROL32(B, 9);
|
|
B = A;
|
|
A = TT1;
|
|
H = G;
|
|
G = ROL32(F, 19);
|
|
F = E;
|
|
E = P0(TT2);
|
|
}
|
|
#endif
|
|
|
|
digest[0] ^= A;
|
|
digest[1] ^= B;
|
|
digest[2] ^= C;
|
|
digest[3] ^= D;
|
|
digest[4] ^= E;
|
|
digest[5] ^= F;
|
|
digest[6] ^= G;
|
|
digest[7] ^= H;
|
|
|
|
data += 64;
|
|
}
|
|
}
|
|
|
|
void rkgm_sm3_compress(uint32_t digest[8], const unsigned char block[64])
|
|
{
|
|
return sm3_compress_blocks(digest, block, 1);
|
|
}
|
|
|
|
int rk_hash_sm3(const unsigned char *in, unsigned int in_len,
|
|
unsigned char *out, unsigned int *out_len)
|
|
{
|
|
rkgm_sm3_ctx_t ctx;
|
|
|
|
rkgm_sm3_init(&ctx);
|
|
rkgm_sm3_update(&ctx, in, in_len);
|
|
rkgm_sm3_final(&ctx, out);
|
|
|
|
memset(&ctx, 0, sizeof(rkgm_sm3_ctx_t));
|
|
|
|
*out_len = SM3_DIGEST_LENGTH;
|
|
|
|
return 0;
|
|
}
|