From e77378558ce66b8965f6cfd7d93d6675d207b795 Mon Sep 17 00:00:00 2001 From: Zhi Guan Date: Fri, 26 Jun 2026 22:56:57 +0800 Subject: [PATCH] Merge aes and sha2 files --- CMakeLists.txt | 6 +- include/gmssl/version.h | 2 +- src/aes.c | 489 +++++++++++++++++++++++++++++++++++++ src/aes_modes.c | 505 --------------------------------------- src/{sha512.c => sha2.c} | 365 ++++++++++++++++++++-------- src/sha256.c | 197 --------------- 6 files changed, 764 insertions(+), 800 deletions(-) delete mode 100644 src/aes_modes.c rename src/{sha512.c => sha2.c} (57%) delete mode 100644 src/sha256.c diff --git a/CMakeLists.txt b/CMakeLists.txt index 88208563..a45d1458 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -644,14 +644,14 @@ endif() if (ENABLE_SHA2) message(STATUS "ENABLE_SHA2 is ON") add_definitions(-DENABLE_SHA2) - list(APPEND src src/sha256.c src/sha512.c) + list(APPEND src src/sha2.c) list(APPEND tests sha224 sha256 sha384 sha512 hmac) endif() if (ENABLE_AES) message(STATUS "ENABLE_AES is ON") add_definitions(-DENABLE_AES) - list(APPEND src src/aes.c src/aes_modes.c) + list(APPEND src src/aes.c) list(APPEND tests aes) endif() @@ -1025,7 +1025,7 @@ endif() # set(CPACK_PACKAGE_NAME "GmSSL") set(CPACK_PACKAGE_VENDOR "GmSSL develop team") -set(CPACK_PACKAGE_VERSION "3.3.0-dev.1178") +set(CPACK_PACKAGE_VERSION "3.3.0-dev.1179") set(CPACK_PACKAGE_DESCRIPTION_FILE ${PROJECT_SOURCE_DIR}/README.md) set(CPACK_NSIS_MODIFY_PATH ON) include(CPack) diff --git a/include/gmssl/version.h b/include/gmssl/version.h index 0d6a6e1d..57bc9dac 100644 --- a/include/gmssl/version.h +++ b/include/gmssl/version.h @@ -18,7 +18,7 @@ extern "C" { #define GMSSL_VERSION_NUM 30300 -#define GMSSL_VERSION_STR "GmSSL 3.3.0-dev.1178" +#define GMSSL_VERSION_STR "GmSSL 3.3.0-dev.1179" int gmssl_version_num(void); const char *gmssl_version_str(void); diff --git a/src/aes.c b/src/aes.c index c3f1d852..f6be8446 100644 --- a/src/aes.c +++ b/src/aes.c @@ -15,6 +15,8 @@ #include #include #include +#include +#include static const uint8_t S[256] = { @@ -400,3 +402,490 @@ void aes_decrypt(const AES_KEY *aes_key, const uint8_t in[16], uint8_t out[16]) gmssl_secure_clear(state, sizeof(state)); } + +void aes_cbc_encrypt_blocks(const AES_KEY *key, const uint8_t iv[16], + const uint8_t *in, size_t nblocks, uint8_t *out) +{ + while (nblocks--) { + gmssl_memxor(out, in, iv, 16); + aes_encrypt(key, out, out); + iv = out; + in += 16; + out += 16; + } +} + +void aes_cbc_decrypt_blocks(const AES_KEY *key, const uint8_t iv[16], + const uint8_t *in, size_t nblocks, uint8_t *out) +{ + while (nblocks--) { + aes_decrypt(key, in, out); + memxor(out, iv, 16); + iv = in; + in += 16; + out += 16; + } +} + +int aes_cbc_padding_encrypt(const AES_KEY *key, const uint8_t iv[16], + const uint8_t *in, size_t inlen, + uint8_t *out, size_t *outlen) +{ + uint8_t block[16]; + size_t rem = inlen % 16; + int padding = 16 - inlen % 16; + + if (in) { + memcpy(block, in + inlen - rem, rem); + } + memset(block + rem, padding, padding); + if (inlen/16) { + aes_cbc_encrypt_blocks(key, iv, in, inlen/16, out); + out += inlen - rem; + iv = out - 16; + } + aes_cbc_encrypt_blocks(key, iv, block, 1, out); + *outlen = inlen - rem + 16; + return 1; +} + +int aes_cbc_padding_decrypt(const AES_KEY *key, const uint8_t iv[16], + const uint8_t *in, size_t inlen, + uint8_t *out, size_t *outlen) +{ + uint8_t block[16]; + size_t len = sizeof(block); + int padding; + int i; + + if (inlen == 0) { + error_print(); + return 0; + } + if (inlen%16 != 0 || inlen < 16) { + error_print(); + return -1; + } + if (inlen > 16) { + aes_cbc_decrypt_blocks(key, iv, in, inlen/16 - 1, out); + iv = in + inlen - 32; + } + aes_cbc_decrypt_blocks(key, iv, in + inlen - 16, 1, block); + padding = block[15]; + if (padding < 1 || padding > 16) { + error_print(); + return -1; + } + for (i = 16 - padding; i < 16; i++) { + if (block[i] != padding) { + error_print(); + return -1; + } + } + + len -= padding; + memcpy(out + inlen - 16, block, len); + *outlen = inlen - padding; + return 1; +} + +static void ctr128_incr(uint8_t a[16]) +{ + int i; + for (i = 15; i >= 0; i--) { + a[i]++; + if (a[i]) break; + } +} + +void aes_ctr_encrypt(const AES_KEY *key, uint8_t ctr[16], const uint8_t *in, size_t inlen, uint8_t *out) +{ + uint8_t block[16]; + size_t len; + + while (inlen) { + len = inlen < 16 ? inlen : 16; + aes_encrypt(key, ctr, block); + gmssl_memxor(out, in, block, len); + ctr128_incr(ctr); + in += len; + out += len; + inlen -= len; + } +} + +static void ctr32_incr(uint8_t a[16]) +{ + int i; + for (i = 15; i >= 12; i--) { + a[i]++; + if (a[i]) break; + } +} + +static void aes_ctr32_encrypt(const AES_KEY *key, uint8_t ctr[16], const uint8_t *in, size_t inlen, uint8_t *out) +{ + uint8_t block[16]; + size_t len; + + while (inlen) { + len = inlen < 16 ? inlen : 16; + aes_encrypt(key, ctr, block); + gmssl_memxor(out, in, block, len); + ctr32_incr(ctr); + in += len; + out += len; + inlen -= len; + } + gmssl_secure_clear(block, sizeof(block)); +} + +int aes_gcm_encrypt(const AES_KEY *key, const uint8_t *iv, size_t ivlen, + const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen, + uint8_t *out, size_t taglen, uint8_t *tag) +{ + const uint8_t *pin = in; + uint8_t *pout = out; + size_t left = inlen; + uint8_t H[16] = {0}; + uint8_t Y[16]; + uint8_t T[16]; + + if (taglen > AES_GCM_MAX_TAG_SIZE) { + error_print(); + return -1; + } + + aes_encrypt(key, H, H); + + if (ivlen == 12) { + memcpy(Y, iv, 12); + Y[12] = Y[13] = Y[14] = 0; + Y[15] = 1; + } else { + ghash(H, NULL, 0, iv, ivlen, Y); + } + + aes_encrypt(key, Y, T); + + ctr32_incr(Y); + aes_ctr32_encrypt(key, Y, in, inlen, out); + + ghash(H, aad, aadlen, out, inlen, H); + gmssl_memxor(tag, T, H, taglen); + + gmssl_secure_clear(H, sizeof(H)); + gmssl_secure_clear(Y, sizeof(Y)); + gmssl_secure_clear(T, sizeof(T)); + return 1; +} + +int aes_gcm_decrypt(const AES_KEY *key, const uint8_t *iv, size_t ivlen, + const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen, + const uint8_t *tag, size_t taglen, uint8_t *out) +{ + const uint8_t *pin = in; + uint8_t *pout = out; + size_t left = inlen; + uint8_t H[16] = {0}; + uint8_t Y[16]; + uint8_t T[16]; + + if (taglen > AES_GCM_MAX_TAG_SIZE) { + error_print(); + return -1; + } + + aes_encrypt(key, H, H); + + if (ivlen == 12) { + memcpy(Y, iv, 12); + Y[12] = Y[13] = Y[14] = 0; + Y[15] = 1; + } else { + ghash(H, NULL, 0, iv, ivlen, Y); + } + + ghash(H, aad, aadlen, in, inlen, H); + aes_encrypt(key, Y, T); + gmssl_memxor(T, T, H, taglen); + if (gmssl_secure_memcmp(T, tag, taglen) != 0) { + gmssl_secure_clear(H, sizeof(H)); + gmssl_secure_clear(Y, sizeof(Y)); + gmssl_secure_clear(T, sizeof(T)); + error_print(); + return -1; + } + + ctr32_incr(Y); + aes_ctr32_encrypt(key, Y, in, inlen, out); + + gmssl_secure_clear(H, sizeof(H)); + gmssl_secure_clear(Y, sizeof(Y)); + gmssl_secure_clear(T, sizeof(T)); + return 1; +} + +#ifdef ENABLE_AES_CCM +static void length_to_bytes(size_t len, size_t nbytes, uint8_t *out) +{ + uint8_t *p = out + nbytes - 1; + while (nbytes--) { + *p-- = len & 0xff; + len >>= 8; + } +} + +static void ctr_n_incr(uint8_t a[16], size_t n) +{ + size_t i; + for (i = 15; i >= 16 - n; i--) { + a[i]++; + if (a[i]) break; + } +} + +static void aes_ctr_n_encrypt(const AES_KEY *key, uint8_t ctr[16], size_t n, const uint8_t *in, size_t inlen, uint8_t *out) +{ + uint8_t block[16]; + size_t len; + + while (inlen) { + len = inlen < 16 ? inlen : 16; + aes_encrypt(key, ctr, block); + gmssl_memxor(out, in, block, len); + ctr_n_incr(ctr, n); + in += len; + out += len; + inlen -= len; + } +} + +typedef struct { + AES_KEY key; + uint8_t iv[16]; + size_t ivlen; +} AES_CBC_MAC_CTX; + +static int aes_cbc_mac_update(AES_CBC_MAC_CTX *ctx, const uint8_t *data, size_t datalen) +{ + if (!ctx || (!data && datalen)) { + error_print(); + return -1; + } + if (ctx->ivlen >= 16) { + error_print(); + return -1; + } + if (!data || !datalen) { + return 1; + } + while (datalen) { + size_t ivleft = 16 - ctx->ivlen; + size_t len = datalen < ivleft ? datalen : ivleft; + gmssl_memxor(ctx->iv + ctx->ivlen, ctx->iv + ctx->ivlen, data, len); + ctx->ivlen += len; + if (ctx->ivlen >= 16) { + aes_encrypt(&ctx->key, ctx->iv, ctx->iv); + ctx->ivlen = 0; + } + data += len; + datalen -= len; + } + return 1; +} + +static int aes_cbc_mac_finish(AES_CBC_MAC_CTX *ctx, uint8_t mac[16]) +{ + if (!ctx || !mac) { + error_print(); + return -1; + } + if (ctx->ivlen >= 16) { + error_print(); + return -1; + } + if (ctx->ivlen) { + aes_encrypt(&ctx->key, ctx->iv, ctx->iv); + ctx->ivlen = 0; + } + memcpy(mac, ctx->iv, 16); + return 1; +} + +int aes_ccm_encrypt(const AES_KEY *key, const uint8_t *iv, size_t ivlen, + const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen, + uint8_t *out, size_t taglen, uint8_t *tag) +{ + AES_CBC_MAC_CTX mac_ctx; + const uint8_t zeros[16] = {0}; + uint8_t block[16] = {0}; + uint8_t ctr[16] = {0}; + uint8_t mac[16]; + size_t inlen_size; + + if (!key || !iv || (!aad && aadlen) || (!in && inlen) || !out || !tag) { + error_print(); + return -1; + } + if (ivlen < 7 || ivlen > 13) { + error_print(); + return -1; + } + if (taglen < 4 || taglen > 16 || taglen & 1) { + error_print(); + return -1; + } + + inlen_size = 15 - ivlen; + // WARNING: (size_t)1 << n or (int)1 << n overflows on some systems when n == 32. + if (inlen_size < 8 && (uint64_t)inlen >= ((uint64_t)1 << (inlen_size * 8))) { + error_print(); + return -1; + } + + memset(&mac_ctx, 0, sizeof(mac_ctx)); + mac_ctx.key = *key; + + block[0] |= ((aadlen > 0) & 0x1) << 6; + block[0] |= (((taglen - 2)/2) & 0x7) << 3; + block[0] |= (inlen_size - 1) & 0x7; + memcpy(block + 1, iv, ivlen); + length_to_bytes(inlen, inlen_size, block + 1 + ivlen); + aes_cbc_mac_update(&mac_ctx, block, 16); + + if (aad && aadlen) { + size_t alen; + + if (aadlen < ((1<<16) - (1<<8))) { + length_to_bytes(aadlen, 2, block); + alen = 2; + } else if ((uint64_t)aadlen < ((uint64_t)1<<32)) { + block[0] = 0xff; + block[1] = 0xfe; + length_to_bytes(aadlen, 4, block + 2); + alen = 6; + } else { + block[0] = 0xff; + block[1] = 0xff; + length_to_bytes(aadlen, 8, block + 2); + alen = 10; + } + aes_cbc_mac_update(&mac_ctx, block, alen); + aes_cbc_mac_update(&mac_ctx, aad, aadlen); + if ((alen + aadlen) % 16) { + aes_cbc_mac_update(&mac_ctx, zeros, 16 - (alen + aadlen)%16); + } + } + + ctr[0] = 0; + ctr[0] |= (inlen_size - 1) & 0x7; + memcpy(ctr + 1, iv, ivlen); + memset(ctr + 1 + ivlen, 0, 15 - ivlen); + aes_encrypt(key, ctr, block); + + ctr[15] = 1; + aes_ctr_n_encrypt(key, ctr, 15 - ivlen, in, inlen, out); + + aes_cbc_mac_update(&mac_ctx, in, inlen); + if (inlen % 16) { + aes_cbc_mac_update(&mac_ctx, zeros, 16 - inlen % 16); + } + aes_cbc_mac_finish(&mac_ctx, mac); + gmssl_memxor(tag, mac, block, taglen); + + gmssl_secure_clear(&mac_ctx, sizeof(mac_ctx)); + return 1; +} + +int aes_ccm_decrypt(const AES_KEY *key, const uint8_t *iv, size_t ivlen, + const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen, + const uint8_t *tag, size_t taglen, uint8_t *out) +{ + AES_CBC_MAC_CTX mac_ctx; + const uint8_t zeros[16] = {0}; + uint8_t block[16] = {0}; + uint8_t ctr[16] = {0}; + uint8_t mac[16]; + size_t inlen_size; + + if (!key || !iv || (!aad && aadlen) || (!in && inlen) || !tag || !out) { + error_print(); + return -1; + } + if (ivlen < 7 || ivlen > 13) { + error_print(); + return -1; + } + if (taglen < 4 || taglen > 16 || taglen & 1) { + error_print(); + return -1; + } + + inlen_size = 15 - ivlen; + // WARNING: (size_t)1 << n or (int)1 << n overflows on some systems when n == 32. + if (inlen_size < 8 && (uint64_t)inlen >= ((uint64_t)1 << (inlen_size * 8))) { + error_print(); + return -1; + } + + memset(&mac_ctx, 0, sizeof(mac_ctx)); + mac_ctx.key = *key; + + block[0] |= ((aadlen > 0) & 0x1) << 6; + block[0] |= (((taglen - 2)/2) & 0x7) << 3; + block[0] |= (inlen_size - 1) & 0x7; + memcpy(block + 1, iv, ivlen); + length_to_bytes(inlen, inlen_size, block + 1 + ivlen); + aes_cbc_mac_update(&mac_ctx, block, 16); + + if (aad && aadlen) { + size_t alen; + + if (aadlen < ((1<<16) - (1<<8))) { + length_to_bytes(aadlen, 2, block); + alen = 2; + } else if ((uint64_t)aadlen < ((uint64_t)1<<32)) { + block[0] = 0xff; + block[1] = 0xfe; + length_to_bytes(aadlen, 4, block + 2); + alen = 6; + } else { + block[0] = 0xff; + block[1] = 0xff; + length_to_bytes(aadlen, 8, block + 2); + alen = 10; + } + aes_cbc_mac_update(&mac_ctx, block, alen); + aes_cbc_mac_update(&mac_ctx, aad, aadlen); + if ((alen + aadlen) % 16) { + aes_cbc_mac_update(&mac_ctx, zeros, 16 - (alen + aadlen)%16); + } + } + + ctr[0] = 0; + ctr[0] |= (inlen_size - 1) & 0x7; + memcpy(ctr + 1, iv, ivlen); + memset(ctr + 1 + ivlen, 0, 15 - ivlen); + aes_encrypt(key, ctr, block); + + ctr[15] = 1; + aes_ctr_n_encrypt(key, ctr, 15 - ivlen, in, inlen, out); + + aes_cbc_mac_update(&mac_ctx, out, inlen); + if (inlen % 16) { + aes_cbc_mac_update(&mac_ctx, zeros, 16 - inlen % 16); + } + aes_cbc_mac_finish(&mac_ctx, mac); + + gmssl_memxor(mac, mac, block, taglen); + if (gmssl_secure_memcmp(mac, tag, taglen) != 0) { + error_print(); + gmssl_secure_clear(&mac_ctx, sizeof(mac_ctx)); + return -1; + } + + gmssl_secure_clear(&mac_ctx, sizeof(mac_ctx)); + return 1; +} +#endif diff --git a/src/aes_modes.c b/src/aes_modes.c deleted file mode 100644 index 46aa27cf..00000000 --- a/src/aes_modes.c +++ /dev/null @@ -1,505 +0,0 @@ -/* - * Copyright 2014-2026 The GmSSL Project. All Rights Reserved. - * - * Licensed under the Apache License, Version 2.0 (the License); you may - * not use this file except in compliance with the License. - * - * http://www.apache.org/licenses/LICENSE-2.0 - */ - - -#include -#include -#include -#include -#include -#include -#include - - -void aes_cbc_encrypt_blocks(const AES_KEY *key, const uint8_t iv[16], - const uint8_t *in, size_t nblocks, uint8_t *out) -{ - while (nblocks--) { - gmssl_memxor(out, in, iv, 16); - aes_encrypt(key, out, out); - iv = out; - in += 16; - out += 16; - } -} - -void aes_cbc_decrypt_blocks(const AES_KEY *key, const uint8_t iv[16], - const uint8_t *in, size_t nblocks, uint8_t *out) -{ - while (nblocks--) { - aes_decrypt(key, in, out); - memxor(out, iv, 16); - iv = in; - in += 16; - out += 16; - } -} - -int aes_cbc_padding_encrypt(const AES_KEY *key, const uint8_t iv[16], - const uint8_t *in, size_t inlen, - uint8_t *out, size_t *outlen) -{ - uint8_t block[16]; - size_t rem = inlen % 16; - int padding = 16 - inlen % 16; - - if (in) { - memcpy(block, in + inlen - rem, rem); - } - memset(block + rem, padding, padding); - if (inlen/16) { - aes_cbc_encrypt_blocks(key, iv, in, inlen/16, out); - out += inlen - rem; - iv = out - 16; - } - aes_cbc_encrypt_blocks(key, iv, block, 1, out); - *outlen = inlen - rem + 16; - return 1; -} - -int aes_cbc_padding_decrypt(const AES_KEY *key, const uint8_t iv[16], - const uint8_t *in, size_t inlen, - uint8_t *out, size_t *outlen) -{ - uint8_t block[16]; - size_t len = sizeof(block); - int padding; - int i; - - if (inlen == 0) { - error_print(); - return 0; - } - if (inlen%16 != 0 || inlen < 16) { - error_print(); - return -1; - } - if (inlen > 16) { - aes_cbc_decrypt_blocks(key, iv, in, inlen/16 - 1, out); - iv = in + inlen - 32; - } - aes_cbc_decrypt_blocks(key, iv, in + inlen - 16, 1, block); - padding = block[15]; - if (padding < 1 || padding > 16) { - error_print(); - return -1; - } - for (i = 16 - padding; i < 16; i++) { - if (block[i] != padding) { - error_print(); - return -1; - } - } - - len -= padding; - memcpy(out + inlen - 16, block, len); - *outlen = inlen - padding; - return 1; -} - -static void ctr128_incr(uint8_t a[16]) -{ - int i; - for (i = 15; i >= 0; i--) { - a[i]++; - if (a[i]) break; - } -} - -void aes_ctr_encrypt(const AES_KEY *key, uint8_t ctr[16], const uint8_t *in, size_t inlen, uint8_t *out) -{ - uint8_t block[16]; - size_t len; - - while (inlen) { - len = inlen < 16 ? inlen : 16; - aes_encrypt(key, ctr, block); - gmssl_memxor(out, in, block, len); - ctr128_incr(ctr); - in += len; - out += len; - inlen -= len; - } -} - -static void ctr32_incr(uint8_t a[16]) -{ - int i; - for (i = 15; i >= 12; i--) { - a[i]++; - if (a[i]) break; - } -} - -static void aes_ctr32_encrypt(const AES_KEY *key, uint8_t ctr[16], const uint8_t *in, size_t inlen, uint8_t *out) -{ - uint8_t block[16]; - size_t len; - - while (inlen) { - len = inlen < 16 ? inlen : 16; - aes_encrypt(key, ctr, block); - gmssl_memxor(out, in, block, len); - ctr32_incr(ctr); - in += len; - out += len; - inlen -= len; - } - gmssl_secure_clear(block, sizeof(block)); -} - -int aes_gcm_encrypt(const AES_KEY *key, const uint8_t *iv, size_t ivlen, - const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen, - uint8_t *out, size_t taglen, uint8_t *tag) -{ - const uint8_t *pin = in; - uint8_t *pout = out; - size_t left = inlen; - uint8_t H[16] = {0}; - uint8_t Y[16]; - uint8_t T[16]; - - if (taglen > AES_GCM_MAX_TAG_SIZE) { - error_print(); - return -1; - } - - aes_encrypt(key, H, H); - - if (ivlen == 12) { - memcpy(Y, iv, 12); - Y[12] = Y[13] = Y[14] = 0; - Y[15] = 1; - } else { - ghash(H, NULL, 0, iv, ivlen, Y); - } - - aes_encrypt(key, Y, T); - - ctr32_incr(Y); - aes_ctr32_encrypt(key, Y, in, inlen, out); - - ghash(H, aad, aadlen, out, inlen, H); - gmssl_memxor(tag, T, H, taglen); - - gmssl_secure_clear(H, sizeof(H)); - gmssl_secure_clear(Y, sizeof(Y)); - gmssl_secure_clear(T, sizeof(T)); - return 1; -} - -int aes_gcm_decrypt(const AES_KEY *key, const uint8_t *iv, size_t ivlen, - const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen, - const uint8_t *tag, size_t taglen, uint8_t *out) -{ - const uint8_t *pin = in; - uint8_t *pout = out; - size_t left = inlen; - uint8_t H[16] = {0}; - uint8_t Y[16]; - uint8_t T[16]; - - if (taglen > AES_GCM_MAX_TAG_SIZE) { - error_print(); - return -1; - } - - aes_encrypt(key, H, H); - - if (ivlen == 12) { - memcpy(Y, iv, 12); - Y[12] = Y[13] = Y[14] = 0; - Y[15] = 1; - } else { - ghash(H, NULL, 0, iv, ivlen, Y); - } - - ghash(H, aad, aadlen, in, inlen, H); - aes_encrypt(key, Y, T); - gmssl_memxor(T, T, H, taglen); - if (gmssl_secure_memcmp(T, tag, taglen) != 0) { - gmssl_secure_clear(H, sizeof(H)); - gmssl_secure_clear(Y, sizeof(Y)); - gmssl_secure_clear(T, sizeof(T)); - error_print(); - return -1; - } - - ctr32_incr(Y); - aes_ctr32_encrypt(key, Y, in, inlen, out); - - gmssl_secure_clear(H, sizeof(H)); - gmssl_secure_clear(Y, sizeof(Y)); - gmssl_secure_clear(T, sizeof(T)); - return 1; -} - -#ifdef ENABLE_AES_CCM -static void length_to_bytes(size_t len, size_t nbytes, uint8_t *out) -{ - uint8_t *p = out + nbytes - 1; - while (nbytes--) { - *p-- = len & 0xff; - len >>= 8; - } -} - -static void ctr_n_incr(uint8_t a[16], size_t n) -{ - size_t i; - for (i = 15; i >= 16 - n; i--) { - a[i]++; - if (a[i]) break; - } -} - -static void aes_ctr_n_encrypt(const AES_KEY *key, uint8_t ctr[16], size_t n, const uint8_t *in, size_t inlen, uint8_t *out) -{ - uint8_t block[16]; - size_t len; - - while (inlen) { - len = inlen < 16 ? inlen : 16; - aes_encrypt(key, ctr, block); - gmssl_memxor(out, in, block, len); - ctr_n_incr(ctr, n); - in += len; - out += len; - inlen -= len; - } -} - -typedef struct { - AES_KEY key; - uint8_t iv[16]; - size_t ivlen; -} AES_CBC_MAC_CTX; - -static int aes_cbc_mac_update(AES_CBC_MAC_CTX *ctx, const uint8_t *data, size_t datalen) -{ - if (!ctx || (!data && datalen)) { - error_print(); - return -1; - } - if (ctx->ivlen >= 16) { - error_print(); - return -1; - } - if (!data || !datalen) { - return 1; - } - while (datalen) { - size_t ivleft = 16 - ctx->ivlen; - size_t len = datalen < ivleft ? datalen : ivleft; - gmssl_memxor(ctx->iv + ctx->ivlen, ctx->iv + ctx->ivlen, data, len); - ctx->ivlen += len; - if (ctx->ivlen >= 16) { - aes_encrypt(&ctx->key, ctx->iv, ctx->iv); - ctx->ivlen = 0; - } - data += len; - datalen -= len; - } - return 1; -} - -static int aes_cbc_mac_finish(AES_CBC_MAC_CTX *ctx, uint8_t mac[16]) -{ - if (!ctx || !mac) { - error_print(); - return -1; - } - if (ctx->ivlen >= 16) { - error_print(); - return -1; - } - if (ctx->ivlen) { - aes_encrypt(&ctx->key, ctx->iv, ctx->iv); - ctx->ivlen = 0; - } - memcpy(mac, ctx->iv, 16); - return 1; -} - -int aes_ccm_encrypt(const AES_KEY *key, const uint8_t *iv, size_t ivlen, - const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen, - uint8_t *out, size_t taglen, uint8_t *tag) -{ - AES_CBC_MAC_CTX mac_ctx; - const uint8_t zeros[16] = {0}; - uint8_t block[16] = {0}; - uint8_t ctr[16] = {0}; - uint8_t mac[16]; - size_t inlen_size; - - if (!key || !iv || (!aad && aadlen) || (!in && inlen) || !out || !tag) { - error_print(); - return -1; - } - if (ivlen < 7 || ivlen > 13) { - error_print(); - return -1; - } - if (taglen < 4 || taglen > 16 || taglen & 1) { - error_print(); - return -1; - } - - inlen_size = 15 - ivlen; - // WARNING: (size_t)1 << n or (int)1 << n overflows on some systems when n == 32. - if (inlen_size < 8 && (uint64_t)inlen >= ((uint64_t)1 << (inlen_size * 8))) { - error_print(); - return -1; - } - - memset(&mac_ctx, 0, sizeof(mac_ctx)); - mac_ctx.key = *key; - - block[0] |= ((aadlen > 0) & 0x1) << 6; - block[0] |= (((taglen - 2)/2) & 0x7) << 3; - block[0] |= (inlen_size - 1) & 0x7; - memcpy(block + 1, iv, ivlen); - length_to_bytes(inlen, inlen_size, block + 1 + ivlen); - aes_cbc_mac_update(&mac_ctx, block, 16); - - if (aad && aadlen) { - size_t alen; - - if (aadlen < ((1<<16) - (1<<8))) { - length_to_bytes(aadlen, 2, block); - alen = 2; - } else if ((uint64_t)aadlen < ((uint64_t)1<<32)) { - block[0] = 0xff; - block[1] = 0xfe; - length_to_bytes(aadlen, 4, block + 2); - alen = 6; - } else { - block[0] = 0xff; - block[1] = 0xff; - length_to_bytes(aadlen, 8, block + 2); - alen = 10; - } - aes_cbc_mac_update(&mac_ctx, block, alen); - aes_cbc_mac_update(&mac_ctx, aad, aadlen); - if ((alen + aadlen) % 16) { - aes_cbc_mac_update(&mac_ctx, zeros, 16 - (alen + aadlen)%16); - } - } - - ctr[0] = 0; - ctr[0] |= (inlen_size - 1) & 0x7; - memcpy(ctr + 1, iv, ivlen); - memset(ctr + 1 + ivlen, 0, 15 - ivlen); - aes_encrypt(key, ctr, block); - - ctr[15] = 1; - aes_ctr_n_encrypt(key, ctr, 15 - ivlen, in, inlen, out); - - aes_cbc_mac_update(&mac_ctx, in, inlen); - if (inlen % 16) { - aes_cbc_mac_update(&mac_ctx, zeros, 16 - inlen % 16); - } - aes_cbc_mac_finish(&mac_ctx, mac); - gmssl_memxor(tag, mac, block, taglen); - - gmssl_secure_clear(&mac_ctx, sizeof(mac_ctx)); - return 1; -} - -int aes_ccm_decrypt(const AES_KEY *key, const uint8_t *iv, size_t ivlen, - const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen, - const uint8_t *tag, size_t taglen, uint8_t *out) -{ - AES_CBC_MAC_CTX mac_ctx; - const uint8_t zeros[16] = {0}; - uint8_t block[16] = {0}; - uint8_t ctr[16] = {0}; - uint8_t mac[16]; - size_t inlen_size; - - if (!key || !iv || (!aad && aadlen) || (!in && inlen) || !tag || !out) { - error_print(); - return -1; - } - if (ivlen < 7 || ivlen > 13) { - error_print(); - return -1; - } - if (taglen < 4 || taglen > 16 || taglen & 1) { - error_print(); - return -1; - } - - inlen_size = 15 - ivlen; - // WARNING: (size_t)1 << n or (int)1 << n overflows on some systems when n == 32. - if (inlen_size < 8 && (uint64_t)inlen >= ((uint64_t)1 << (inlen_size * 8))) { - error_print(); - return -1; - } - - memset(&mac_ctx, 0, sizeof(mac_ctx)); - mac_ctx.key = *key; - - block[0] |= ((aadlen > 0) & 0x1) << 6; - block[0] |= (((taglen - 2)/2) & 0x7) << 3; - block[0] |= (inlen_size - 1) & 0x7; - memcpy(block + 1, iv, ivlen); - length_to_bytes(inlen, inlen_size, block + 1 + ivlen); - aes_cbc_mac_update(&mac_ctx, block, 16); - - if (aad && aadlen) { - size_t alen; - - if (aadlen < ((1<<16) - (1<<8))) { - length_to_bytes(aadlen, 2, block); - alen = 2; - } else if ((uint64_t)aadlen < ((uint64_t)1<<32)) { - block[0] = 0xff; - block[1] = 0xfe; - length_to_bytes(aadlen, 4, block + 2); - alen = 6; - } else { - block[0] = 0xff; - block[1] = 0xff; - length_to_bytes(aadlen, 8, block + 2); - alen = 10; - } - aes_cbc_mac_update(&mac_ctx, block, alen); - aes_cbc_mac_update(&mac_ctx, aad, aadlen); - if ((alen + aadlen) % 16) { - aes_cbc_mac_update(&mac_ctx, zeros, 16 - (alen + aadlen)%16); - } - } - - ctr[0] = 0; - ctr[0] |= (inlen_size - 1) & 0x7; - memcpy(ctr + 1, iv, ivlen); - memset(ctr + 1 + ivlen, 0, 15 - ivlen); - aes_encrypt(key, ctr, block); - - ctr[15] = 1; - aes_ctr_n_encrypt(key, ctr, 15 - ivlen, in, inlen, out); - - aes_cbc_mac_update(&mac_ctx, out, inlen); - if (inlen % 16) { - aes_cbc_mac_update(&mac_ctx, zeros, 16 - inlen % 16); - } - aes_cbc_mac_finish(&mac_ctx, mac); - - gmssl_memxor(mac, mac, block, taglen); - if (gmssl_secure_memcmp(mac, tag, taglen) != 0) { - error_print(); - gmssl_secure_clear(&mac_ctx, sizeof(mac_ctx)); - return -1; - } - - gmssl_secure_clear(&mac_ctx, sizeof(mac_ctx)); - return 1; -} -#endif diff --git a/src/sha512.c b/src/sha2.c similarity index 57% rename from src/sha512.c rename to src/sha2.c index 2cd78cfd..0655bac5 100644 --- a/src/sha512.c +++ b/src/sha2.c @@ -1,5 +1,5 @@ /* - * Copyright 2014-2023 The GmSSL Project. All Rights Reserved. + * Copyright 2014-2026 The GmSSL Project. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the License); you may * not use this file except in compliance with the License. @@ -8,15 +8,282 @@ */ -#include -#include #include #include #include +#define Ch(X, Y, Z) (((X) & (Y)) ^ ((~(X)) & (Z))) +#define Maj(X, Y, Z) (((X) & (Y)) ^ ((X) & (Z)) ^ ((Y) & (Z))) +#define Sigma0(X) (ROR32((X), 2) ^ ROR32((X), 13) ^ ROR32((X), 22)) +#define Sigma1(X) (ROR32((X), 6) ^ ROR32((X), 11) ^ ROR32((X), 25)) +#define sigma0(X) (ROR32((X), 7) ^ ROR32((X), 18) ^ ((X) >> 3)) +#define sigma1(X) (ROR32((X), 17) ^ ROR32((X), 19) ^ ((X) >> 10)) + +static const uint32_t K[64] = { + 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2, +}; + +static void sha256_compress_blocks(uint32_t state[8], + const unsigned char *data, size_t blocks) +{ + uint32_t A; + uint32_t B; + uint32_t C; + uint32_t D; + uint32_t E; + uint32_t F; + uint32_t G; + uint32_t H; + uint32_t W[64]; + uint32_t T1, T2; + int i; + + while (blocks--) { + + A = state[0]; + B = state[1]; + C = state[2]; + D = state[3]; + E = state[4]; + F = state[5]; + G = state[6]; + H = state[7]; + + for (i = 0; i < 16; i++) { + W[i] = GETU32(data); + data += 4; + } + for (; i < 64; i++) { + W[i] = sigma1(W[i-2]) + W[i-7] + sigma0(W[i-15]) + W[i-16]; + } + + for (i = 0; i < 64; i++) { + T1 = H + Sigma1(E) + Ch(E, F, G) + K[i] + W[i]; + T2 = Sigma0(A) + Maj(A, B, C); + H = G; + G = F; + F = E; + E = D + T1; + D = C; + C = B; + B = A; + A = T1 + T2; + } + + state[0] += A; + state[1] += B; + state[2] += C; + state[3] += D; + state[4] += E; + state[5] += F; + state[6] += G; + state[7] += H; + } +} + + +void sha256_init(SHA256_CTX *ctx) +{ + memset(ctx, 0, sizeof(*ctx)); + ctx->state[0] = 0x6a09e667; + ctx->state[1] = 0xbb67ae85; + ctx->state[2] = 0x3c6ef372; + ctx->state[3] = 0xa54ff53a; + ctx->state[4] = 0x510e527f; + ctx->state[5] = 0x9b05688c; + ctx->state[6] = 0x1f83d9ab; + ctx->state[7] = 0x5be0cd19; +} + +void sha256_update(SHA256_CTX *ctx, const unsigned char *data, size_t datalen) +{ + size_t blocks; + + ctx->num &= 0x3f; + if (ctx->num) { + size_t left = SHA256_BLOCK_SIZE - ctx->num; + if (datalen < left) { + memcpy(ctx->block + ctx->num, data, datalen); + ctx->num += datalen; + return; + } else { + memcpy(ctx->block + ctx->num, data, left); + sha256_compress_blocks(ctx->state, ctx->block, 1); + ctx->nblocks++; + data += left; + datalen -= left; + } + } + + blocks = datalen / SHA256_BLOCK_SIZE; + if (blocks) { + sha256_compress_blocks(ctx->state, data, blocks); + ctx->nblocks += blocks; + data += SHA256_BLOCK_SIZE * blocks; + datalen -= SHA256_BLOCK_SIZE * blocks; + } + + ctx->num = datalen; + if (datalen) { + memcpy(ctx->block, data, datalen); + } +} + +void sha256_finish(SHA256_CTX *ctx, unsigned char dgst[SHA256_DIGEST_SIZE]) +{ + int i; + + ctx->num &= 0x3f; + ctx->block[ctx->num] = 0x80; + + if (ctx->num <= SHA256_BLOCK_SIZE - 9) { + memset(ctx->block + ctx->num + 1, 0, SHA256_BLOCK_SIZE - ctx->num - 9); + } else { + memset(ctx->block + ctx->num + 1, 0, SHA256_BLOCK_SIZE - ctx->num - 1); + sha256_compress_blocks(ctx->state, ctx->block, 1); + memset(ctx->block, 0, SHA256_BLOCK_SIZE - 8); + } + PUTU32(ctx->block + 56, ctx->nblocks >> 23); + PUTU32(ctx->block + 60, (ctx->nblocks << 9) + (ctx->num << 3)); + + sha256_compress_blocks(ctx->state, ctx->block, 1); + for (i = 0; i < 8; i++) { + PUTU32(dgst, ctx->state[i]); + dgst += sizeof(uint32_t); + } +} + + +void sha224_init(SHA224_CTX *ctx) +{ + memset(ctx, 0, sizeof(*ctx)); + ctx->state[0] = 0xc1059ed8; + ctx->state[1] = 0x367cd507; + ctx->state[2] = 0x3070dd17; + ctx->state[3] = 0xf70e5939; + ctx->state[4] = 0xffc00b31; + ctx->state[5] = 0x68581511; + ctx->state[6] = 0x64f98fa7; + ctx->state[7] = 0xbefa4fa4; +} + +void sha224_update(SHA224_CTX *ctx, const unsigned char *data, size_t datalen) +{ + sha256_update((SHA256_CTX *)ctx, data, datalen); +} + +void sha224_finish(SHA224_CTX *ctx, unsigned char dgst[SHA224_DIGEST_SIZE]) +{ + uint8_t buf[SHA256_DIGEST_SIZE]; + sha256_finish((SHA256_CTX *)ctx, buf); + memcpy(dgst, buf, SHA224_DIGEST_SIZE); + memset(buf, 0, sizeof(buf)); +} + + +#define Ch512(X, Y, Z) (((X) & (Y)) ^ ((~(X)) & (Z))) +#define Maj512(X, Y, Z) (((X) & (Y)) ^ ((X) & (Z)) ^ ((Y) & (Z))) +#define Sigma512_0(X) (ROR64((X), 28) ^ ROR64((X), 34) ^ ROR64((X), 39)) +#define Sigma512_1(X) (ROR64((X), 14) ^ ROR64((X), 18) ^ ROR64((X), 41)) +#define sigma512_0(X) (ROR64((X), 1) ^ ROR64((X), 8) ^ ((X) >> 7)) +#define sigma512_1(X) (ROR64((X), 19) ^ ROR64((X), 61) ^ ((X) >> 6)) + +static const uint64_t K512[80] = { + 0x428a2f98d728ae22, 0x7137449123ef65cd, 0xb5c0fbcfec4d3b2f, 0xe9b5dba58189dbbc, + 0x3956c25bf348b538, 0x59f111f1b605d019, 0x923f82a4af194f9b, 0xab1c5ed5da6d8118, + 0xd807aa98a3030242, 0x12835b0145706fbe, 0x243185be4ee4b28c, 0x550c7dc3d5ffb4e2, + 0x72be5d74f27b896f, 0x80deb1fe3b1696b1, 0x9bdc06a725c71235, 0xc19bf174cf692694, + 0xe49b69c19ef14ad2, 0xefbe4786384f25e3, 0x0fc19dc68b8cd5b5, 0x240ca1cc77ac9c65, + 0x2de92c6f592b0275, 0x4a7484aa6ea6e483, 0x5cb0a9dcbd41fbd4, 0x76f988da831153b5, + 0x983e5152ee66dfab, 0xa831c66d2db43210, 0xb00327c898fb213f, 0xbf597fc7beef0ee4, + 0xc6e00bf33da88fc2, 0xd5a79147930aa725, 0x06ca6351e003826f, 0x142929670a0e6e70, + 0x27b70a8546d22ffc, 0x2e1b21385c26c926, 0x4d2c6dfc5ac42aed, 0x53380d139d95b3df, + 0x650a73548baf63de, 0x766a0abb3c77b2a8, 0x81c2c92e47edaee6, 0x92722c851482353b, + 0xa2bfe8a14cf10364, 0xa81a664bbc423001, 0xc24b8b70d0f89791, 0xc76c51a30654be30, + 0xd192e819d6ef5218, 0xd69906245565a910, 0xf40e35855771202a, 0x106aa07032bbd1b8, + 0x19a4c116b8d2d0c8, 0x1e376c085141ab53, 0x2748774cdf8eeb99, 0x34b0bcb5e19b48a8, + 0x391c0cb3c5c95a63, 0x4ed8aa4ae3418acb, 0x5b9cca4f7763e373, 0x682e6ff3d6b2b8a3, + 0x748f82ee5defb2fc, 0x78a5636f43172f60, 0x84c87814a1f0ab72, 0x8cc702081a6439ec, + 0x90befffa23631e28, 0xa4506cebde82bde9, 0xbef9a3f7b2c67915, 0xc67178f2e372532b, + 0xca273eceea26619c, 0xd186b8c721c0c207, 0xeada7dd6cde0eb1e, 0xf57d4f7fee6ed178, + 0x06f067aa72176fba, 0x0a637dc5a2c898a6, 0x113f9804bef90dae, 0x1b710b35131c471b, + 0x28db77f523047d84, 0x32caab7b40c72493, 0x3c9ebe0a15c9bebc, 0x431d67c49c100d4c, + 0x4cc5d4becb3e42b6, 0x597f299cfc657e2a, 0x5fcb6fab3ad6faec, 0x6c44198c4a475817, +}; + static void sha512_compress_blocks(uint64_t state[8], - const unsigned char *data, size_t blocks); + const unsigned char *data, size_t blocks) +{ + uint64_t A; + uint64_t B; + uint64_t C; + uint64_t D; + uint64_t E; + uint64_t F; + uint64_t G; + uint64_t H; + uint64_t W[80]; + uint64_t T1, T2; + int i; + + while (blocks--) { + + A = state[0]; + B = state[1]; + C = state[2]; + D = state[3]; + E = state[4]; + F = state[5]; + G = state[6]; + H = state[7]; + + for (i = 0; i < 16; i++) { + W[i] = GETU64(data); + data += sizeof(uint64_t); + } + for (; i < 80; i++) { + W[i] = sigma512_1(W[i-2]) + W[i-7] + sigma512_0(W[i-15]) + W[i-16]; + } + + for (i = 0; i < 80; i++) { + T1 = H + Sigma512_1(E) + Ch512(E, F, G) + K512[i] + W[i]; + T2 = Sigma512_0(A) + Maj512(A, B, C); + H = G; + G = F; + F = E; + E = D + T1; + D = C; + C = B; + B = A; + A = T1 + T2; + } + + state[0] += A; + state[1] += B; + state[2] += C; + state[3] += D; + state[4] += E; + state[5] += F; + state[6] += G; + state[7] += H; + } +} void sha512_init(SHA512_CTX *ctx) { @@ -87,95 +354,6 @@ void sha512_finish(SHA512_CTX *ctx, unsigned char dgst[SHA512_DIGEST_SIZE]) } } -#define Ch(X, Y, Z) (((X) & (Y)) ^ ((~(X)) & (Z))) -#define Maj(X, Y, Z) (((X) & (Y)) ^ ((X) & (Z)) ^ ((Y) & (Z))) -#define Sigma0(X) (ROR64((X), 28) ^ ROR64((X), 34) ^ ROR64((X), 39)) -#define Sigma1(X) (ROR64((X), 14) ^ ROR64((X), 18) ^ ROR64((X), 41)) -#define sigma0(X) (ROR64((X), 1) ^ ROR64((X), 8) ^ ((X) >> 7)) -#define sigma1(X) (ROR64((X), 19) ^ ROR64((X), 61) ^ ((X) >> 6)) - -static const uint64_t K[80] = { - 0x428a2f98d728ae22, 0x7137449123ef65cd, 0xb5c0fbcfec4d3b2f, 0xe9b5dba58189dbbc, - 0x3956c25bf348b538, 0x59f111f1b605d019, 0x923f82a4af194f9b, 0xab1c5ed5da6d8118, - 0xd807aa98a3030242, 0x12835b0145706fbe, 0x243185be4ee4b28c, 0x550c7dc3d5ffb4e2, - 0x72be5d74f27b896f, 0x80deb1fe3b1696b1, 0x9bdc06a725c71235, 0xc19bf174cf692694, - 0xe49b69c19ef14ad2, 0xefbe4786384f25e3, 0x0fc19dc68b8cd5b5, 0x240ca1cc77ac9c65, - 0x2de92c6f592b0275, 0x4a7484aa6ea6e483, 0x5cb0a9dcbd41fbd4, 0x76f988da831153b5, - 0x983e5152ee66dfab, 0xa831c66d2db43210, 0xb00327c898fb213f, 0xbf597fc7beef0ee4, - 0xc6e00bf33da88fc2, 0xd5a79147930aa725, 0x06ca6351e003826f, 0x142929670a0e6e70, - 0x27b70a8546d22ffc, 0x2e1b21385c26c926, 0x4d2c6dfc5ac42aed, 0x53380d139d95b3df, - 0x650a73548baf63de, 0x766a0abb3c77b2a8, 0x81c2c92e47edaee6, 0x92722c851482353b, - 0xa2bfe8a14cf10364, 0xa81a664bbc423001, 0xc24b8b70d0f89791, 0xc76c51a30654be30, - 0xd192e819d6ef5218, 0xd69906245565a910, 0xf40e35855771202a, 0x106aa07032bbd1b8, - 0x19a4c116b8d2d0c8, 0x1e376c085141ab53, 0x2748774cdf8eeb99, 0x34b0bcb5e19b48a8, - 0x391c0cb3c5c95a63, 0x4ed8aa4ae3418acb, 0x5b9cca4f7763e373, 0x682e6ff3d6b2b8a3, - 0x748f82ee5defb2fc, 0x78a5636f43172f60, 0x84c87814a1f0ab72, 0x8cc702081a6439ec, - 0x90befffa23631e28, 0xa4506cebde82bde9, 0xbef9a3f7b2c67915, 0xc67178f2e372532b, - 0xca273eceea26619c, 0xd186b8c721c0c207, 0xeada7dd6cde0eb1e, 0xf57d4f7fee6ed178, - 0x06f067aa72176fba, 0x0a637dc5a2c898a6, 0x113f9804bef90dae, 0x1b710b35131c471b, - 0x28db77f523047d84, 0x32caab7b40c72493, 0x3c9ebe0a15c9bebc, 0x431d67c49c100d4c, - 0x4cc5d4becb3e42b6, 0x597f299cfc657e2a, 0x5fcb6fab3ad6faec, 0x6c44198c4a475817, -}; - -static void sha512_compress_blocks(uint64_t state[8], - const unsigned char *data, size_t blocks) -{ - uint64_t A; - uint64_t B; - uint64_t C; - uint64_t D; - uint64_t E; - uint64_t F; - uint64_t G; - uint64_t H; - uint64_t W[80]; - uint64_t T1, T2; - int i; - - while (blocks--) { - - A = state[0]; - B = state[1]; - C = state[2]; - D = state[3]; - E = state[4]; - F = state[5]; - G = state[6]; - H = state[7]; - - for (i = 0; i < 16; i++) { - W[i] = GETU64(data); - data += sizeof(uint64_t); - } - for (; i < 80; i++) { - W[i] = sigma1(W[i-2]) + W[i-7] + sigma0(W[i-15]) + W[i-16]; - } - - for (i = 0; i < 80; i++) { - T1 = H + Sigma1(E) + Ch(E, F, G) + K[i] + W[i]; - T2 = Sigma0(A) + Maj(A, B, C); - H = G; - G = F; - F = E; - E = D + T1; - D = C; - C = B; - B = A; - A = T1 + T2; - } - - state[0] += A; - state[1] += B; - state[2] += C; - state[3] += D; - state[4] += E; - state[5] += F; - state[6] += G; - state[7] += H; - } -} - - void sha384_init(SHA384_CTX *ctx) { memset(ctx, 0, sizeof(*ctx)); @@ -244,4 +422,3 @@ void sha512_224_finish(SHA512_CTX *ctx, unsigned char dgst[SHA224_DIGEST_SIZE]) memcpy(dgst, buf, SHA224_DIGEST_SIZE); memset(buf, 0, sizeof(buf)); } - diff --git a/src/sha256.c b/src/sha256.c deleted file mode 100644 index cf1121b1..00000000 --- a/src/sha256.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * Copyright 2014-2023 The GmSSL Project. All Rights Reserved. - * - * Licensed under the Apache License, Version 2.0 (the License); you may - * not use this file except in compliance with the License. - * - * http://www.apache.org/licenses/LICENSE-2.0 - */ - - -#include -#include -#include - - -#define Ch(X, Y, Z) (((X) & (Y)) ^ ((~(X)) & (Z))) -#define Maj(X, Y, Z) (((X) & (Y)) ^ ((X) & (Z)) ^ ((Y) & (Z))) -#define Sigma0(X) (ROR32((X), 2) ^ ROR32((X), 13) ^ ROR32((X), 22)) -#define Sigma1(X) (ROR32((X), 6) ^ ROR32((X), 11) ^ ROR32((X), 25)) -#define sigma0(X) (ROR32((X), 7) ^ ROR32((X), 18) ^ ((X) >> 3)) -#define sigma1(X) (ROR32((X), 17) ^ ROR32((X), 19) ^ ((X) >> 10)) - -static const uint32_t K[64] = { - 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, - 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, - 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, - 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, - 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, - 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, - 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, - 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, - 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, - 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, - 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, - 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, - 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, - 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, - 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, - 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2, -}; - -static void sha256_compress_blocks(uint32_t state[8], - const unsigned char *data, size_t blocks) -{ - uint32_t A; - uint32_t B; - uint32_t C; - uint32_t D; - uint32_t E; - uint32_t F; - uint32_t G; - uint32_t H; - uint32_t W[64]; - uint32_t T1, T2; - int i; - - while (blocks--) { - - A = state[0]; - B = state[1]; - C = state[2]; - D = state[3]; - E = state[4]; - F = state[5]; - G = state[6]; - H = state[7]; - - for (i = 0; i < 16; i++) { - W[i] = GETU32(data); - data += 4; - } - for (; i < 64; i++) { - W[i] = sigma1(W[i-2]) + W[i-7] + sigma0(W[i-15]) + W[i-16]; - } - - for (i = 0; i < 64; i++) { - T1 = H + Sigma1(E) + Ch(E, F, G) + K[i] + W[i]; - T2 = Sigma0(A) + Maj(A, B, C); - H = G; - G = F; - F = E; - E = D + T1; - D = C; - C = B; - B = A; - A = T1 + T2; - } - - state[0] += A; - state[1] += B; - state[2] += C; - state[3] += D; - state[4] += E; - state[5] += F; - state[6] += G; - state[7] += H; - } -} - - -void sha256_init(SHA256_CTX *ctx) -{ - memset(ctx, 0, sizeof(*ctx)); - ctx->state[0] = 0x6a09e667; - ctx->state[1] = 0xbb67ae85; - ctx->state[2] = 0x3c6ef372; - ctx->state[3] = 0xa54ff53a; - ctx->state[4] = 0x510e527f; - ctx->state[5] = 0x9b05688c; - ctx->state[6] = 0x1f83d9ab; - ctx->state[7] = 0x5be0cd19; -} - -void sha256_update(SHA256_CTX *ctx, const unsigned char *data, size_t datalen) -{ - size_t blocks; - - ctx->num &= 0x3f; - if (ctx->num) { - size_t left = SHA256_BLOCK_SIZE - ctx->num; - if (datalen < left) { - memcpy(ctx->block + ctx->num, data, datalen); - ctx->num += datalen; - return; - } else { - memcpy(ctx->block + ctx->num, data, left); - sha256_compress_blocks(ctx->state, ctx->block, 1); - ctx->nblocks++; - data += left; - datalen -= left; - } - } - - blocks = datalen / SHA256_BLOCK_SIZE; - if (blocks) { - sha256_compress_blocks(ctx->state, data, blocks); - ctx->nblocks += blocks; - data += SHA256_BLOCK_SIZE * blocks; - datalen -= SHA256_BLOCK_SIZE * blocks; - } - - ctx->num = datalen; - if (datalen) { - memcpy(ctx->block, data, datalen); - } -} - -void sha256_finish(SHA256_CTX *ctx, unsigned char dgst[SHA256_DIGEST_SIZE]) -{ - int i; - - ctx->num &= 0x3f; - ctx->block[ctx->num] = 0x80; - - if (ctx->num <= SHA256_BLOCK_SIZE - 9) { - memset(ctx->block + ctx->num + 1, 0, SHA256_BLOCK_SIZE - ctx->num - 9); - } else { - memset(ctx->block + ctx->num + 1, 0, SHA256_BLOCK_SIZE - ctx->num - 1); - sha256_compress_blocks(ctx->state, ctx->block, 1); - memset(ctx->block, 0, SHA256_BLOCK_SIZE - 8); - } - PUTU32(ctx->block + 56, ctx->nblocks >> 23); - PUTU32(ctx->block + 60, (ctx->nblocks << 9) + (ctx->num << 3)); - - sha256_compress_blocks(ctx->state, ctx->block, 1); - for (i = 0; i < 8; i++) { - PUTU32(dgst, ctx->state[i]); - dgst += sizeof(uint32_t); - } -} - - -void sha224_init(SHA224_CTX *ctx) -{ - memset(ctx, 0, sizeof(*ctx)); - ctx->state[0] = 0xc1059ed8; - ctx->state[1] = 0x367cd507; - ctx->state[2] = 0x3070dd17; - ctx->state[3] = 0xf70e5939; - ctx->state[4] = 0xffc00b31; - ctx->state[5] = 0x68581511; - ctx->state[6] = 0x64f98fa7; - ctx->state[7] = 0xbefa4fa4; -} - -void sha224_update(SHA224_CTX *ctx, const unsigned char *data, size_t datalen) -{ - sha256_update((SHA256_CTX *)ctx, data, datalen); -} - -void sha224_finish(SHA224_CTX *ctx, unsigned char dgst[SHA224_DIGEST_SIZE]) -{ - uint8_t buf[SHA256_DIGEST_SIZE]; - sha256_finish((SHA256_CTX *)ctx, buf); - memcpy(dgst, buf, SHA224_DIGEST_SIZE); - memset(buf, 0, sizeof(buf)); -}