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589 lines
14 KiB
C
589 lines
14 KiB
C
/*
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* Copyright (c) 2014 - 2021 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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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <gmssl/hex.h>
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#include <gmssl/sm4.h>
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#include <gmssl/error.h>
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#include <gmssl/rand.h>
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static int test_sm4(void)
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{
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const uint8_t user_key[16] = {
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0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
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0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
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};
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const uint32_t rk[32] = {
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0xf12186f9, 0x41662b61, 0x5a6ab19a, 0x7ba92077,
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0x367360f4, 0x776a0c61, 0xb6bb89b3, 0x24763151,
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0xa520307c, 0xb7584dbd, 0xc30753ed, 0x7ee55b57,
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0x6988608c, 0x30d895b7, 0x44ba14af, 0x104495a1,
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0xd120b428, 0x73b55fa3, 0xcc874966, 0x92244439,
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0xe89e641f, 0x98ca015a, 0xc7159060, 0x99e1fd2e,
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0xb79bd80c, 0x1d2115b0, 0x0e228aeb, 0xf1780c81,
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0x428d3654, 0x62293496, 0x01cf72e5, 0x9124a012,
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};
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const uint8_t plaintext[16] = {
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0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
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0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
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};
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const uint8_t ciphertext[16] = {
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0x68, 0x1e, 0xdf, 0x34, 0xd2, 0x06, 0x96, 0x5e,
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0x86, 0xb3, 0xe9, 0x4f, 0x53, 0x6e, 0x42, 0x46,
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};
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const uint8_t ciphertext1m[16] = {
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0x59, 0x52, 0x98, 0xc7, 0xc6, 0xfd, 0x27, 0x1f,
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0x04, 0x02, 0xf8, 0x04, 0xc3, 0x3d, 0x3f, 0x66,
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};
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SM4_KEY key;
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unsigned char buf[16];
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int i;
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/* test key scheduling */
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sm4_set_encrypt_key(&key, user_key);
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if (memcmp(key.rk, rk, sizeof(rk)) != 0) {
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fprintf(stderr, "sm4 key scheduling not passed!\n");
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return -1;
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}
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/* test encrypt once */
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sm4_encrypt(&key, plaintext, buf);
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if (memcmp(buf, ciphertext, sizeof(ciphertext)) != 0) {
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fprintf(stderr, "sm4 encrypt not pass!\n");
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return -1;
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}
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/* test encrypt 1000000 times */
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memcpy(buf, plaintext, sizeof(plaintext));
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for (i = 0; i < 1000000; i++) {
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sm4_encrypt(&key, buf, buf);
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}
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if (memcmp(buf, ciphertext1m, sizeof(ciphertext1m)) != 0) {
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fprintf(stderr, "sm4 encrypt 1000000 times not pass!\n");
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return -1;
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}
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/* test decrypt */
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memset(&key, 0, sizeof(key));
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memset(buf, 0, sizeof(buf));
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sm4_set_decrypt_key(&key, user_key);
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sm4_decrypt(&key, ciphertext, buf);
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if (memcmp(buf, plaintext, sizeof(plaintext)) != 0) {
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fprintf(stderr, "sm4 decrypt not pass!\n");
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return -1;
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}
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printf("%s() ok\n", __FUNCTION__);
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return 1;
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}
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static int test_sm4_cbc(void)
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{
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SM4_KEY sm4_key;
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uint8_t key[16] = {0};
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uint8_t iv[16] = {0};
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uint8_t buf1[32] = {0};
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uint8_t buf2[32] = {0};
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uint8_t buf3[32] = {0};
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sm4_set_encrypt_key(&sm4_key, key);
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sm4_cbc_encrypt(&sm4_key, iv, buf1, 2, buf2);
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sm4_set_decrypt_key(&sm4_key, key);
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sm4_cbc_decrypt(&sm4_key, iv, buf2, 2, buf3);
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if (memcmp(buf1, buf3, sizeof(buf3)) != 0) {
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fprintf(stderr, "%s %d: error\n", __FILE__, __LINE__);
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return -1;
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}
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printf("%s() ok\n", __FUNCTION__);
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return 1;
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}
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static int test_sm4_cbc_padding(void)
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{
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SM4_KEY enc_key;
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SM4_KEY dec_key;
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uint8_t key[16] = {0};
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uint8_t iv[16] = {0};
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uint8_t buf1[64];
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uint8_t buf2[128];
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uint8_t buf3[128];
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size_t len1, len2, len3;
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sm4_set_encrypt_key(&enc_key, key);
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sm4_set_decrypt_key(&dec_key, key);
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len1 = 0;
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sm4_cbc_padding_encrypt(&enc_key, iv, buf1, len1, buf2, &len2);
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sm4_cbc_padding_decrypt(&dec_key, iv, buf2, len2, buf3, &len3);
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if (len1 != len3 || memcmp(buf1, buf3, len3) != 0) {
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fprintf(stderr, "%s %d: error\n", __FILE__, __LINE__);
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return -1;
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}
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len1 = 7;
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sm4_cbc_padding_encrypt(&enc_key, iv, buf1, len1, buf2, &len2);
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sm4_cbc_padding_decrypt(&dec_key, iv, buf2, len2, buf3, &len3);
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if (len1 != len3 || memcmp(buf1, buf3, len3) != 0) {
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fprintf(stderr, "%s %d: error\n", __FILE__, __LINE__);
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return -1;
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}
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len1 = 16;
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sm4_cbc_padding_encrypt(&enc_key, iv, buf1, len1, buf2, &len2);
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sm4_cbc_padding_decrypt(&dec_key, iv, buf2, len2, buf3, &len3);
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if (len1 != len3 || memcmp(buf1, buf3, len3) != 0) {
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fprintf(stderr, "%s %d: error\n", __FILE__, __LINE__);
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return -1;
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}
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len1 = 33;
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sm4_cbc_padding_encrypt(&enc_key, iv, buf1, len1, buf2, &len2);
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sm4_cbc_padding_decrypt(&dec_key, iv, buf2, len2, buf3, &len3);
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if (len1 != len3 || memcmp(buf1, buf3, len3) != 0) {
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fprintf(stderr, "%s %d: error\n", __FILE__, __LINE__);
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return -1;
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}
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len1 = sizeof(buf1);
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sm4_cbc_padding_encrypt(&enc_key, iv, buf1, len1, buf2, &len2);
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sm4_cbc_padding_decrypt(&dec_key, iv, buf2, len2, buf3, &len3);
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if (len1 != len3 || memcmp(buf1, buf3, len3) != 0) {
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fprintf(stderr, "%s %d: error\n", __FILE__, __LINE__);
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return -1;
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}
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printf("%s() ok\n", __FUNCTION__);
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return 1;
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}
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static int test_sm4_ctr(void)
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{
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SM4_KEY sm4_key;
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uint8_t key[16] = {0};
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uint8_t ctr[16];
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uint8_t buf1[30] = {0};
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uint8_t buf2[30] = {0};
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uint8_t buf3[30] = {0};
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sm4_set_encrypt_key(&sm4_key, key);
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memset(ctr, 0, sizeof(ctr));
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sm4_ctr_encrypt(&sm4_key, ctr, buf1, sizeof(buf1), buf2);
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memset(ctr, 0, sizeof(ctr));
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sm4_ctr_decrypt(&sm4_key, ctr, buf2, sizeof(buf2), buf3);
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if (memcmp(buf1, buf3, sizeof(buf3)) != 0) {
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fprintf(stderr, "%s %d: error\n", __FILE__, __LINE__);
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return -1;
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}
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printf("%s() ok\n", __FUNCTION__);
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return 1;
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}
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static int test_sm4_gcm(void)
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{
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// gcm test vectors from rfc 8998 A.1
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const char *hex_key = "0123456789ABCDEFFEDCBA9876543210";
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const char *hex_iv = "00001234567800000000ABCD";
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const char *hex_aad = "FEEDFACEDEADBEEFFEEDFACEDEADBEEF"
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"ABADDAD2";
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const char *hex_in = "AAAAAAAAAAAAAAAABBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEFFFFFFFFFFFFFFFF"
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"EEEEEEEEEEEEEEEEAAAAAAAAAAAAAAAA";
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const char *hex_out = "17F399F08C67D5EE19D0DC9969C4BB7D"
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"5FD46FD3756489069157B282BB200735"
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"D82710CA5C22F0CCFA7CBF93D496AC15"
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"A56834CBCF98C397B4024A2691233B8D";
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const char *hex_tag = "83DE3541E4C2B58177E065A9BF7B62EC";
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SM4_KEY sm4_key;
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uint8_t key[16];
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uint8_t iv[12];
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uint8_t aad[20];
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uint8_t in[64];
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uint8_t out[64];
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uint8_t tag[16];
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size_t keylen, ivlen, aadlen, inlen, outlen, taglen;
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uint8_t buf[64];
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uint8_t mac[16];
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hex_to_bytes(hex_key, strlen(hex_key), key, &keylen);
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hex_to_bytes(hex_iv, strlen(hex_iv), iv, &ivlen);
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hex_to_bytes(hex_aad, strlen(hex_aad), aad, &aadlen);
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hex_to_bytes(hex_in, strlen(hex_in), in, &inlen);
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hex_to_bytes(hex_out, strlen(hex_out), out, &outlen);
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hex_to_bytes(hex_tag, strlen(hex_tag), tag, &taglen);
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memset(buf, 0, sizeof(buf));
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memset(mac, 0, sizeof(mac));
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sm4_set_encrypt_key(&sm4_key, key);
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// test gcm encrypt
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sm4_gcm_encrypt(&sm4_key, iv, ivlen, aad, aadlen, in, inlen, buf, taglen, mac);
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if (memcmp(buf, out, outlen) != 0) {
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error_print();
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return -1;
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}
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if (memcmp(mac, tag, taglen) != 0) {
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error_print();
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return -1;
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}
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// test gcm decrypt
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memset(buf, 0, sizeof(buf));
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sm4_gcm_decrypt(&sm4_key, iv, ivlen, aad, aadlen, out, outlen, tag, taglen, buf);
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if (memcmp(buf, in, inlen) != 0) {
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error_print();
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return -1;
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}
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printf("%s() ok\n", __FUNCTION__);
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return 1;
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}
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static int test_sm4_cbc_update(void)
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{
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SM4_KEY sm4_key;
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SM4_CBC_CTX enc_ctx;
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SM4_CBC_CTX dec_ctx;
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uint8_t key[16];
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uint8_t iv[16];
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uint8_t mbuf[16 * 10];
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uint8_t cbuf[16 * 11];
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uint8_t pbuf[16 * 11];
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size_t mlen = 0;
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size_t clen = 0;
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size_t plen = 0;
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uint8_t *in;
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uint8_t *out;
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size_t len;
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size_t lens[] = { 1,5,17,80 };
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int i;
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rand_bytes(key, sizeof(key));
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rand_bytes(iv, sizeof(iv));
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// first test
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mlen = 16;
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rand_bytes(mbuf, mlen);
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if (sm4_cbc_encrypt_init(&enc_ctx, key, iv) != 1
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|| sm4_cbc_encrypt_update(&enc_ctx, mbuf, mlen, cbuf, &clen) != 1
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|| sm4_cbc_encrypt_finish(&enc_ctx, cbuf + clen, &len) != 1) {
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error_print();
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return -1;
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}
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clen += len;
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// check ciphertext
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sm4_set_encrypt_key(&sm4_key, key);
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sm4_cbc_padding_encrypt(&sm4_key, iv, mbuf, mlen, pbuf, &plen);
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if (clen != plen || memcmp(cbuf, pbuf, plen) != 0) {
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error_print();
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return -1;
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}
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// check decrypt
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if (sm4_cbc_decrypt_init(&dec_ctx, key, iv) != 1
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|| sm4_cbc_decrypt_update(&dec_ctx, cbuf, clen, pbuf, &plen) != 1
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|| sm4_cbc_decrypt_finish(&dec_ctx, pbuf + plen, &len) != 1) {
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error_print();
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return -1;
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}
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plen += len;
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if (plen != mlen || memcmp(pbuf, mbuf, mlen) != 0) {
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error_print();
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return -1;
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}
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// second test
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rand_bytes(mbuf, sizeof(mbuf));
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if (sm4_cbc_encrypt_init(&enc_ctx, key, iv) != 1) {
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error_print();
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return -1;
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}
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in = mbuf;
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out = cbuf;
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mlen = 0;
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clen = 0;
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for (i = 0; i < sizeof(lens)/sizeof(lens[0]); i++) {
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if (sm4_cbc_encrypt_update(&enc_ctx, in, lens[i], out, &len) != 1) {
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error_print();
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return -1;
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}
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in += lens[i];
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mlen += lens[i];
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out += len;
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clen += len;
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}
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if (sm4_cbc_encrypt_finish(&enc_ctx, out, &len) != 1) {
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error_print();
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return -1;
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}
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clen += len;
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// check ciphertest
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sm4_cbc_padding_encrypt(&sm4_key, iv, mbuf, mlen, pbuf, &plen);
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if (plen != clen || memcmp(pbuf, cbuf, clen) != 0) {
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error_print();
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return -1;
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}
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// check decrypt
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if (sm4_cbc_decrypt_init(&dec_ctx, key, iv) != 1) {
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error_print();
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return -1;
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}
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plen = 0;
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in = cbuf;
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out = pbuf;
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for (i = 0; i < sizeof(lens)/sizeof(lens[0]); i++) {
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if (sm4_cbc_decrypt_update(&dec_ctx, in, lens[i], out, &len) != 1) {
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error_print();
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return -1;
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}
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in += lens[i];
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clen -= lens[i];
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out += len;
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plen += len;
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}
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if (sm4_cbc_decrypt_update(&dec_ctx, in, clen, out, &len) != 1) {
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error_print();
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return -1;
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}
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out += len;
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plen += len;
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if (sm4_cbc_decrypt_finish(&dec_ctx, out, &len) != 1) {
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error_print();
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return -1;
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}
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plen += len;
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if (plen != mlen || memcmp(pbuf, mbuf, mlen) != 0) {
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error_print();
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return -1;
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}
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printf("%s() ok\n", __FUNCTION__);
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return 1;
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}
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static int test_sm4_ctr_update(void)
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{
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SM4_KEY sm4_key;
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SM4_CTR_CTX enc_ctx;
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SM4_CTR_CTX dec_ctx;
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uint8_t key[16];
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uint8_t iv[16];
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uint8_t ctr[16];
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uint8_t mbuf[16 * 10];
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uint8_t cbuf[16 * 11];
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uint8_t pbuf[16 * 11];
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size_t mlen = 0;
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size_t clen = 0;
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size_t plen = 0;
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uint8_t *in;
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uint8_t *out;
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size_t len;
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size_t lens[] = { 1,5,17,80 };
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int i;
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rand_bytes(key, sizeof(key));
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rand_bytes(iv, sizeof(iv));
|
||
|
||
// first test
|
||
|
||
mlen = 16;
|
||
rand_bytes(mbuf, mlen);
|
||
memcpy(ctr, iv, sizeof(iv));
|
||
if (sm4_ctr_encrypt_init(&enc_ctx, key, ctr) != 1
|
||
|| sm4_ctr_encrypt_update(&enc_ctx, mbuf, mlen, cbuf, &clen) != 1
|
||
|| sm4_ctr_encrypt_finish(&enc_ctx, cbuf + clen, &len) != 1) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
clen += len;
|
||
|
||
// check ciphertext
|
||
sm4_set_encrypt_key(&sm4_key, key);
|
||
sm4_ctr_encrypt(&sm4_key, ctr, mbuf, mlen, pbuf); // 注意：sm4_ctr_encrypt() 会修改ctr的值
|
||
memcpy(ctr, iv, sizeof(iv));
|
||
if (memcmp(cbuf, pbuf, clen) != 0) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
|
||
// check decrypt
|
||
if (sm4_ctr_decrypt_init(&dec_ctx, key, ctr) != 1
|
||
|| sm4_ctr_decrypt_update(&dec_ctx, cbuf, clen, pbuf, &plen) != 1
|
||
|| sm4_ctr_decrypt_finish(&dec_ctx, pbuf + plen, &len) != 1) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
plen += len;
|
||
|
||
if (plen != mlen || memcmp(pbuf, mbuf, mlen) != 0) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
|
||
|
||
// second test
|
||
|
||
rand_bytes(mbuf, sizeof(mbuf));
|
||
|
||
if (sm4_ctr_encrypt_init(&enc_ctx, key, ctr) != 1) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
in = mbuf;
|
||
out = cbuf;
|
||
mlen = 0;
|
||
clen = 0;
|
||
for (i = 0; i < sizeof(lens)/sizeof(lens[0]); i++) {
|
||
if (sm4_ctr_encrypt_update(&enc_ctx, in, lens[i], out, &len) != 1) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
in += lens[i];
|
||
mlen += lens[i];
|
||
out += len;
|
||
clen += len;
|
||
|
||
}
|
||
if (sm4_ctr_encrypt_finish(&enc_ctx, out, &len) != 1) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
clen += len;
|
||
|
||
// check ciphertest
|
||
sm4_ctr_encrypt(&sm4_key, ctr, mbuf, mlen, pbuf);
|
||
memcpy(ctr, iv, sizeof(iv));
|
||
if (memcmp(pbuf, cbuf, mlen) != 0) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
|
||
// check decrypt
|
||
if (sm4_ctr_decrypt_init(&dec_ctx, key, ctr) != 1) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
plen = 0;
|
||
in = cbuf;
|
||
out = pbuf;
|
||
for (i = 0; i < sizeof(lens)/sizeof(lens[0]); i++) {
|
||
if (sm4_ctr_decrypt_update(&dec_ctx, in, lens[i], out, &len) != 1) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
in += lens[i];
|
||
clen -= lens[i];
|
||
out += len;
|
||
plen += len;
|
||
}
|
||
if (sm4_ctr_decrypt_update(&dec_ctx, in, clen, out, &len) != 1) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
out += len;
|
||
plen += len;
|
||
if (sm4_ctr_decrypt_finish(&dec_ctx, out, &len) != 1) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
plen += len;
|
||
|
||
if (plen != mlen || memcmp(pbuf, mbuf, mlen) != 0) {
|
||
error_print();
|
||
return -1;
|
||
}
|
||
|
||
printf("%s() ok\n", __FUNCTION__);
|
||
return 1;
|
||
}
|
||
|
||
int main(void)
|
||
{
|
||
if (test_sm4() != 1) goto err;
|
||
if (test_sm4_cbc() != 1) goto err;
|
||
if (test_sm4_cbc_padding() != 1) goto err;
|
||
if (test_sm4_ctr() != 1) goto err;
|
||
if (test_sm4_gcm() != 1) goto err;
|
||
if (test_sm4_cbc_update() != 1) goto err;
|
||
if (test_sm4_ctr_update() != 1) goto err;
|
||
printf("%s all tests passed\n", __FILE__);
|
||
return 0;
|
||
err:
|
||
error_print();
|
||
return 1;
|
||
}
|