/* sha.c * * Copyright (C) 2006-2020 wolfSSL Inc. * * This file is part of wolfSSL. * * wolfSSL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * wolfSSL is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA */ #ifdef HAVE_CONFIG_H #include #endif #include #if !defined(NO_SHA) #if defined(HAVE_FIPS) && \ defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2) /* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */ #define FIPS_NO_WRAPPERS #ifdef USE_WINDOWS_API #pragma code_seg(".fipsA$j") #pragma const_seg(".fipsB$j") #endif #endif #include #include #include #ifdef WOLF_CRYPTO_CB #include #endif /* fips wrapper calls, user can call direct */ #if defined(HAVE_FIPS) && \ (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2)) int wc_InitSha(wc_Sha* sha) { if (sha == NULL) { return BAD_FUNC_ARG; } return InitSha_fips(sha); } int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId) { (void)heap; (void)devId; if (sha == NULL) { return BAD_FUNC_ARG; } return InitSha_fips(sha); } int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len) { if (sha == NULL || (data == NULL && len > 0)) { return BAD_FUNC_ARG; } return ShaUpdate_fips(sha, data, len); } int wc_ShaFinal(wc_Sha* sha, byte* out) { if (sha == NULL || out == NULL) { return BAD_FUNC_ARG; } return ShaFinal_fips(sha,out); } void wc_ShaFree(wc_Sha* sha) { (void)sha; /* Not supported in FIPS */ } #else /* else build without fips, or for FIPS v2 */ #if defined(WOLFSSL_TI_HASH) /* #include included by wc_port.c */ #else #include #ifdef NO_INLINE #include #else #define WOLFSSL_MISC_INCLUDED #include #endif /* Hardware Acceleration */ #if defined(WOLFSSL_PIC32MZ_HASH) #include #elif defined(STM32_HASH) /* Supports CubeMX HAL or Standard Peripheral Library */ int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId) { if (sha == NULL) { return BAD_FUNC_ARG; } (void)devId; (void)heap; wc_Stm32_Hash_Init(&sha->stmCtx); return 0; } int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len) { int ret; if (sha == NULL || (data == NULL && len > 0)) { return BAD_FUNC_ARG; } ret = wolfSSL_CryptHwMutexLock(); if (ret == 0) { ret = wc_Stm32_Hash_Update(&sha->stmCtx, HASH_AlgoSelection_SHA1, data, len); wolfSSL_CryptHwMutexUnLock(); } return ret; } int wc_ShaFinal(wc_Sha* sha, byte* hash) { int ret; if (sha == NULL || hash == NULL) { return BAD_FUNC_ARG; } ret = wolfSSL_CryptHwMutexLock(); if (ret == 0) { ret = wc_Stm32_Hash_Final(&sha->stmCtx, HASH_AlgoSelection_SHA1, hash, WC_SHA_DIGEST_SIZE); wolfSSL_CryptHwMutexUnLock(); } (void)wc_InitSha(sha); /* reset state */ return ret; } #elif defined(FREESCALE_LTC_SHA) #include "fsl_ltc.h" int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId) { if (sha == NULL) { return BAD_FUNC_ARG; } (void)devId; (void)heap; LTC_HASH_Init(LTC_BASE, &sha->ctx, kLTC_Sha1, NULL, 0); return 0; } int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len) { LTC_HASH_Update(&sha->ctx, data, len); return 0; } int wc_ShaFinal(wc_Sha* sha, byte* hash) { word32 hashlen = WC_SHA_DIGEST_SIZE; LTC_HASH_Finish(&sha->ctx, hash, &hashlen); return wc_InitSha(sha); /* reset state */ } #elif defined(FREESCALE_MMCAU_SHA) #ifdef FREESCALE_MMCAU_CLASSIC_SHA #include "cau_api.h" #else #include "fsl_mmcau.h" #endif #define USE_SHA_SOFTWARE_IMPL /* Only for API's, actual transform is here */ #define XTRANSFORM(S,B) Transform((S),(B)) #define XTRANSFORM_LEN(S,B,L) Transform_Len((S),(B),(L)) #ifndef WC_HASH_DATA_ALIGNMENT /* these hardware API's require 4 byte (word32) alignment */ #define WC_HASH_DATA_ALIGNMENT 4 #endif static int InitSha(wc_Sha* sha) { int ret = 0; ret = wolfSSL_CryptHwMutexLock(); if (ret != 0) { return ret; } #ifdef FREESCALE_MMCAU_CLASSIC_SHA cau_sha1_initialize_output(sha->digest); #else MMCAU_SHA1_InitializeOutput((word32*)sha->digest); #endif wolfSSL_CryptHwMutexUnLock(); sha->buffLen = 0; sha->loLen = 0; sha->hiLen = 0; return ret; } static int Transform(wc_Sha* sha, const byte* data) { int ret = wolfSSL_CryptHwMutexLock(); if (ret == 0) { #ifdef FREESCALE_MMCAU_CLASSIC_SHA cau_sha1_hash_n((byte*)data, 1, sha->digest); #else MMCAU_SHA1_HashN((byte*)data, 1, (word32*)sha->digest); #endif wolfSSL_CryptHwMutexUnLock(); } return ret; } static int Transform_Len(wc_Sha* sha, const byte* data, word32 len) { int ret = wolfSSL_CryptHwMutexLock(); if (ret == 0) { #if defined(WC_HASH_DATA_ALIGNMENT) && WC_HASH_DATA_ALIGNMENT > 0 if ((size_t)data % WC_HASH_DATA_ALIGNMENT) { /* data pointer is NOT aligned, * so copy and perform one block at a time */ byte* local = (byte*)sha->buffer; while (len >= WC_SHA_BLOCK_SIZE) { XMEMCPY(local, data, WC_SHA_BLOCK_SIZE); #ifdef FREESCALE_MMCAU_CLASSIC_SHA cau_sha1_hash_n(local, 1, sha->digest); #else MMCAU_SHA1_HashN(local, 1, sha->digest); #endif data += WC_SHA_BLOCK_SIZE; len -= WC_SHA_BLOCK_SIZE; } } else #endif { #ifdef FREESCALE_MMCAU_CLASSIC_SHA cau_sha1_hash_n((byte*)data, len/WC_SHA_BLOCK_SIZE, sha->digest); #else MMCAU_SHA1_HashN((byte*)data, len/WC_SHA_BLOCK_SIZE, (word32*)sha->digest); #endif } wolfSSL_CryptHwMutexUnLock(); } return ret; } #elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH) /* wolfcrypt/src/port/caam/caam_sha.c */ #elif defined(WOLFSSL_ESP32WROOM32_CRYPT) && \ !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH) #include "wolfssl/wolfcrypt/port/Espressif/esp32-crypt.h" #define USE_SHA_SOFTWARE_IMPL static int InitSha(wc_Sha* sha) { int ret = 0; sha->digest[0] = 0x67452301L; sha->digest[1] = 0xEFCDAB89L; sha->digest[2] = 0x98BADCFEL; sha->digest[3] = 0x10325476L; sha->digest[4] = 0xC3D2E1F0L; sha->buffLen = 0; sha->loLen = 0; sha->hiLen = 0; /* always start firstblock = 1 when using hw engine */ sha->ctx.isfirstblock = 1; sha->ctx.sha_type = SHA1; if(sha->ctx.mode == ESP32_SHA_HW){ /* release hw engine */ esp_sha_hw_unlock(); } /* always set mode as INIT * whether using HW or SW is determined at first call of update() */ sha->ctx.mode = ESP32_SHA_INIT; return ret; } #elif defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \ !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH) /* implemented in wolfcrypt/src/port/Renesas/renesas_tsip_sha.c */ #elif defined(WOLFSSL_IMXRT_DCP) /* implemented in wolfcrypt/src/port/nxp/dcp_port.c */ #elif defined(WOLFSSL_SILABS_SE_ACCEL) /* implemented in wolfcrypt/src/port/silabs/silabs_hash.c */ #else /* Software implementation */ #define USE_SHA_SOFTWARE_IMPL static int InitSha(wc_Sha* sha) { int ret = 0; sha->digest[0] = 0x67452301L; sha->digest[1] = 0xEFCDAB89L; sha->digest[2] = 0x98BADCFEL; sha->digest[3] = 0x10325476L; sha->digest[4] = 0xC3D2E1F0L; sha->buffLen = 0; sha->loLen = 0; sha->hiLen = 0; #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB) sha->flags = 0; #endif return ret; } #endif /* End Hardware Acceleration */ /* Software implementation */ #ifdef USE_SHA_SOFTWARE_IMPL static WC_INLINE void AddLength(wc_Sha* sha, word32 len) { word32 tmp = sha->loLen; if ((sha->loLen += len) < tmp) sha->hiLen++; /* carry low to high */ } /* Check if custom wc_Sha transform is used */ #ifndef XTRANSFORM #define XTRANSFORM(S,B) Transform((S),(B)) #define blk0(i) (W[i] = *((word32*)&data[i*sizeof(word32)])) #define blk1(i) (W[(i)&15] = \ rotlFixed(W[((i)+13)&15]^W[((i)+8)&15]^W[((i)+2)&15]^W[(i)&15],1)) #define f1(x,y,z) ((z)^((x) &((y)^(z)))) #define f2(x,y,z) ((x)^(y)^(z)) #define f3(x,y,z) (((x)&(y))|((z)&((x)|(y)))) #define f4(x,y,z) ((x)^(y)^(z)) #ifdef WOLFSSL_NUCLEUS_1_2 /* nucleus.h also defines R1-R4 */ #undef R1 #undef R2 #undef R3 #undef R4 #endif /* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */ #define R0(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk0((i)) + 0x5A827999+ \ rotlFixed((v),5); (w) = rotlFixed((w),30); #define R1(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk1((i)) + 0x5A827999+ \ rotlFixed((v),5); (w) = rotlFixed((w),30); #define R2(v,w,x,y,z,i) (z)+= f2((w),(x),(y)) + blk1((i)) + 0x6ED9EBA1+ \ rotlFixed((v),5); (w) = rotlFixed((w),30); #define R3(v,w,x,y,z,i) (z)+= f3((w),(x),(y)) + blk1((i)) + 0x8F1BBCDC+ \ rotlFixed((v),5); (w) = rotlFixed((w),30); #define R4(v,w,x,y,z,i) (z)+= f4((w),(x),(y)) + blk1((i)) + 0xCA62C1D6+ \ rotlFixed((v),5); (w) = rotlFixed((w),30); static int Transform(wc_Sha* sha, const byte* data) { word32 W[WC_SHA_BLOCK_SIZE / sizeof(word32)]; /* Copy context->state[] to working vars */ word32 a = sha->digest[0]; word32 b = sha->digest[1]; word32 c = sha->digest[2]; word32 d = sha->digest[3]; word32 e = sha->digest[4]; #ifdef USE_SLOW_SHA word32 t, i; for (i = 0; i < 16; i++) { R0(a, b, c, d, e, i); t = e; e = d; d = c; c = b; b = a; a = t; } for (; i < 20; i++) { R1(a, b, c, d, e, i); t = e; e = d; d = c; c = b; b = a; a = t; } for (; i < 40; i++) { R2(a, b, c, d, e, i); t = e; e = d; d = c; c = b; b = a; a = t; } for (; i < 60; i++) { R3(a, b, c, d, e, i); t = e; e = d; d = c; c = b; b = a; a = t; } for (; i < 80; i++) { R4(a, b, c, d, e, i); t = e; e = d; d = c; c = b; b = a; a = t; } #else /* nearly 1 K bigger in code size but 25% faster */ /* 4 rounds of 20 operations each. Loop unrolled. */ R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3); R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7); R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11); R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15); R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19); R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23); R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27); R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31); R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35); R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39); R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43); R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47); R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51); R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55); R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59); R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63); R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67); R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71); R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75); R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79); #endif /* Add the working vars back into digest state[] */ sha->digest[0] += a; sha->digest[1] += b; sha->digest[2] += c; sha->digest[3] += d; sha->digest[4] += e; (void)data; /* Not used */ return 0; } #endif /* !USE_CUSTOM_SHA_TRANSFORM */ int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId) { int ret = 0; if (sha == NULL) return BAD_FUNC_ARG; sha->heap = heap; #ifdef WOLF_CRYPTO_CB sha->devId = devId; #endif #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \ !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH) sha->ctx.mode = ESP32_SHA_INIT; sha->ctx.isfirstblock = 1; #endif ret = InitSha(sha); if (ret != 0) return ret; #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA) ret = wolfAsync_DevCtxInit(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA, sha->heap, devId); #else (void)devId; #endif /* WOLFSSL_ASYNC_CRYPT */ return ret; } /* do block size increments/updates */ int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len) { int ret = 0; word32 blocksLen; byte* local; if (sha == NULL || (data == NULL && len > 0)) { return BAD_FUNC_ARG; } if (data == NULL && len == 0) { /* valid, but do nothing */ return 0; } #ifdef WOLF_CRYPTO_CB if (sha->devId != INVALID_DEVID) { ret = wc_CryptoCb_ShaHash(sha, data, len, NULL); if (ret != CRYPTOCB_UNAVAILABLE) return ret; ret = 0; /* reset ret */ /* fall-through when unavailable */ } #endif #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA) if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) { #if defined(HAVE_INTEL_QA) return IntelQaSymSha(&sha->asyncDev, NULL, data, len); #endif } #endif /* WOLFSSL_ASYNC_CRYPT */ /* check that internal buffLen is valid */ if (sha->buffLen >= WC_SHA_BLOCK_SIZE) return BUFFER_E; /* add length for final */ AddLength(sha, len); local = (byte*)sha->buffer; /* process any remainder from previous operation */ if (sha->buffLen > 0) { blocksLen = min(len, WC_SHA_BLOCK_SIZE - sha->buffLen); XMEMCPY(&local[sha->buffLen], data, blocksLen); sha->buffLen += blocksLen; data += blocksLen; len -= blocksLen; if (sha->buffLen == WC_SHA_BLOCK_SIZE) { #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA) ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE); #endif #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \ !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH) if (sha->ctx.mode == ESP32_SHA_INIT) { esp_sha_try_hw_lock(&sha->ctx); } if (sha->ctx.mode == ESP32_SHA_SW) { ret = XTRANSFORM(sha, (const byte*)local); } else { esp_sha_process(sha, (const byte*)local); } #else ret = XTRANSFORM(sha, (const byte*)local); #endif if (ret != 0) return ret; sha->buffLen = 0; } } /* process blocks */ #ifdef XTRANSFORM_LEN /* get number of blocks */ /* 64-1 = 0x3F (~ Inverted = 0xFFFFFFC0) */ /* len (masked by 0xFFFFFFC0) returns block aligned length */ blocksLen = len & ~(WC_SHA_BLOCK_SIZE-1); if (blocksLen > 0) { /* Byte reversal performed in function if required. */ XTRANSFORM_LEN(sha, data, blocksLen); data += blocksLen; len -= blocksLen; } #else while (len >= WC_SHA_BLOCK_SIZE) { word32* local32 = sha->buffer; /* optimization to avoid memcpy if data pointer is properly aligned */ /* Little Endian requires byte swap, so can't use data directly */ #if defined(WC_HASH_DATA_ALIGNMENT) && !defined(LITTLE_ENDIAN_ORDER) if (((size_t)data % WC_HASH_DATA_ALIGNMENT) == 0) { local32 = (word32*)data; } else #endif { XMEMCPY(local32, data, WC_SHA_BLOCK_SIZE); } data += WC_SHA_BLOCK_SIZE; len -= WC_SHA_BLOCK_SIZE; #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA) ByteReverseWords(local32, local32, WC_SHA_BLOCK_SIZE); #endif #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \ !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH) if (sha->ctx.mode == ESP32_SHA_INIT){ esp_sha_try_hw_lock(&sha->ctx); } if (sha->ctx.mode == ESP32_SHA_SW){ ret = XTRANSFORM(sha, (const byte*)local32); } else { esp_sha_process(sha, (const byte*)local32); } #else ret = XTRANSFORM(sha, (const byte*)local32); #endif } #endif /* XTRANSFORM_LEN */ /* save remainder */ if (len > 0) { XMEMCPY(local, data, len); sha->buffLen = len; } return ret; } int wc_ShaFinalRaw(wc_Sha* sha, byte* hash) { #ifdef LITTLE_ENDIAN_ORDER word32 digest[WC_SHA_DIGEST_SIZE / sizeof(word32)]; #endif if (sha == NULL || hash == NULL) { return BAD_FUNC_ARG; } #ifdef LITTLE_ENDIAN_ORDER ByteReverseWords((word32*)digest, (word32*)sha->digest, WC_SHA_DIGEST_SIZE); XMEMCPY(hash, digest, WC_SHA_DIGEST_SIZE); #else XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE); #endif return 0; } int wc_ShaFinal(wc_Sha* sha, byte* hash) { int ret; byte* local; if (sha == NULL || hash == NULL) { return BAD_FUNC_ARG; } local = (byte*)sha->buffer; #ifdef WOLF_CRYPTO_CB if (sha->devId != INVALID_DEVID) { ret = wc_CryptoCb_ShaHash(sha, NULL, 0, hash); if (ret != CRYPTOCB_UNAVAILABLE) return ret; /* fall-through when unavailable */ } #endif #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA) if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) { #if defined(HAVE_INTEL_QA) return IntelQaSymSha(&sha->asyncDev, hash, NULL, WC_SHA_DIGEST_SIZE); #endif } #endif /* WOLFSSL_ASYNC_CRYPT */ local[sha->buffLen++] = 0x80; /* add 1 */ /* pad with zeros */ if (sha->buffLen > WC_SHA_PAD_SIZE) { XMEMSET(&local[sha->buffLen], 0, WC_SHA_BLOCK_SIZE - sha->buffLen); sha->buffLen += WC_SHA_BLOCK_SIZE - sha->buffLen; #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA) ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE); #endif #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \ !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH) if (sha->ctx.mode == ESP32_SHA_INIT) { esp_sha_try_hw_lock(&sha->ctx); } if (sha->ctx.mode == ESP32_SHA_SW) { ret = XTRANSFORM(sha, (const byte*)local); } else { ret = esp_sha_process(sha, (const byte*)local); } #else ret = XTRANSFORM(sha, (const byte*)local); #endif if (ret != 0) return ret; sha->buffLen = 0; } XMEMSET(&local[sha->buffLen], 0, WC_SHA_PAD_SIZE - sha->buffLen); #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA) ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE); #endif /* store lengths */ /* put lengths in bits */ sha->hiLen = (sha->loLen >> (8*sizeof(sha->loLen) - 3)) + (sha->hiLen << 3); sha->loLen = sha->loLen << 3; /* ! length ordering dependent on digest endian type ! */ XMEMCPY(&local[WC_SHA_PAD_SIZE], &sha->hiLen, sizeof(word32)); XMEMCPY(&local[WC_SHA_PAD_SIZE + sizeof(word32)], &sha->loLen, sizeof(word32)); #if defined(FREESCALE_MMCAU_SHA) /* Kinetis requires only these bytes reversed */ ByteReverseWords(&sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)], &sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)], 2 * sizeof(word32)); #endif #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \ !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH) if (sha->ctx.mode == ESP32_SHA_INIT) { esp_sha_try_hw_lock(&sha->ctx); } if (sha->ctx.mode == ESP32_SHA_SW) { ret = XTRANSFORM(sha, (const byte*)local); } else { ret = esp_sha_digest_process(sha, 1); } #else ret = XTRANSFORM(sha, (const byte*)local); #endif #ifdef LITTLE_ENDIAN_ORDER ByteReverseWords(sha->digest, sha->digest, WC_SHA_DIGEST_SIZE); #endif XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE); (void)InitSha(sha); /* reset state */ return ret; } #endif /* USE_SHA_SOFTWARE_IMPL */ int wc_InitSha(wc_Sha* sha) { return wc_InitSha_ex(sha, NULL, INVALID_DEVID); } void wc_ShaFree(wc_Sha* sha) { if (sha == NULL) return; #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA) wolfAsync_DevCtxFree(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA); #endif /* WOLFSSL_ASYNC_CRYPT */ #ifdef WOLFSSL_PIC32MZ_HASH wc_ShaPic32Free(sha); #endif #if (defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \ !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)) if (sha->msg != NULL) { XFREE(sha->msg, sha->heap, DYNAMIC_TYPE_TMP_BUFFER); sha->msg = NULL; } #endif #ifdef WOLFSSL_IMXRT_DCP DCPShaFree(sha); #endif } #endif /* !WOLFSSL_TI_HASH */ #endif /* HAVE_FIPS */ #ifndef WOLFSSL_TI_HASH #if !defined(WOLFSSL_RENESAS_TSIP_CRYPT) || \ defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH) int wc_ShaGetHash(wc_Sha* sha, byte* hash) { int ret; wc_Sha tmpSha; if (sha == NULL || hash == NULL) return BAD_FUNC_ARG; #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \ !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH) if(sha->ctx.mode == ESP32_SHA_INIT){ esp_sha_try_hw_lock(&sha->ctx); } if(sha->ctx.mode != ESP32_SHA_SW) esp_sha_digest_process(sha, 0); #endif ret = wc_ShaCopy(sha, &tmpSha); if (ret == 0) { ret = wc_ShaFinal(&tmpSha, hash); #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \ !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH) sha->ctx.mode = ESP32_SHA_SW; #endif } return ret; } int wc_ShaCopy(wc_Sha* src, wc_Sha* dst) { int ret = 0; if (src == NULL || dst == NULL) return BAD_FUNC_ARG; XMEMCPY(dst, src, sizeof(wc_Sha)); #ifdef WOLFSSL_SILABS_SE_ACCEL dst->silabsCtx.hash_ctx.cmd_ctx = &(dst->silabsCtx.cmd_ctx); dst->silabsCtx.hash_ctx.hash_type_ctx = &(dst->silabsCtx.hash_type_ctx); #endif #ifdef WOLFSSL_ASYNC_CRYPT ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev); #endif #ifdef WOLFSSL_PIC32MZ_HASH ret = wc_Pic32HashCopy(&src->cache, &dst->cache); #endif #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \ !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH) dst->ctx.mode = src->ctx.mode; dst->ctx.isfirstblock = src->ctx.isfirstblock; dst->ctx.sha_type = src->ctx.sha_type; #endif #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB) dst->flags |= WC_HASH_FLAG_ISCOPY; #endif return ret; } #endif /* defined(WOLFSSL_RENESAS_TSIP_CRYPT) ... */ #endif /* !WOLFSSL_TI_HASH */ #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB) int wc_ShaSetFlags(wc_Sha* sha, word32 flags) { if (sha) { sha->flags = flags; } return 0; } int wc_ShaGetFlags(wc_Sha* sha, word32* flags) { if (sha && flags) { *flags = sha->flags; } return 0; } #endif #endif /* !NO_SHA */