diff options
Diffstat (limited to 'client/wolfssl/wolfcrypt/src/port/arm/armv8-sha512.c')
| -rw-r--r-- | client/wolfssl/wolfcrypt/src/port/arm/armv8-sha512.c | 715 |
1 files changed, 715 insertions, 0 deletions
diff --git a/client/wolfssl/wolfcrypt/src/port/arm/armv8-sha512.c b/client/wolfssl/wolfcrypt/src/port/arm/armv8-sha512.c new file mode 100644 index 0000000..e909c7c --- /dev/null +++ b/client/wolfssl/wolfcrypt/src/port/arm/armv8-sha512.c @@ -0,0 +1,715 @@ +/* sha512.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 <config.h> +#endif + +#include <wolfssl/wolfcrypt/settings.h> + +#ifdef WOLFSSL_ARMASM +#if defined(WOLFSSL_SHA512) || defined(WOLFSSL_SHA384) + +#include <wolfssl/wolfcrypt/sha512.h> +#include <wolfssl/wolfcrypt/error-crypt.h> +#include <wolfssl/wolfcrypt/cpuid.h> +#include <wolfssl/wolfcrypt/hash.h> + +#include <wolfssl/wolfcrypt/logging.h> + +#ifdef NO_INLINE + #include <wolfssl/wolfcrypt/misc.h> +#else + #define WOLFSSL_MISC_INCLUDED + #include <wolfcrypt/src/misc.c> +#endif + +#ifdef WOLFSSL_SHA512 + +static int InitSha512(wc_Sha512* sha512) +{ + if (sha512 == NULL) + return BAD_FUNC_ARG; + + sha512->digest[0] = W64LIT(0x6a09e667f3bcc908); + sha512->digest[1] = W64LIT(0xbb67ae8584caa73b); + sha512->digest[2] = W64LIT(0x3c6ef372fe94f82b); + sha512->digest[3] = W64LIT(0xa54ff53a5f1d36f1); + sha512->digest[4] = W64LIT(0x510e527fade682d1); + sha512->digest[5] = W64LIT(0x9b05688c2b3e6c1f); + sha512->digest[6] = W64LIT(0x1f83d9abfb41bd6b); + sha512->digest[7] = W64LIT(0x5be0cd19137e2179); + + sha512->buffLen = 0; + sha512->loLen = 0; + sha512->hiLen = 0; +#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB) + sha512->flags = 0; +#endif + + return 0; +} + +#endif /* WOLFSSL_SHA512 */ + +#ifdef WOLFSSL_SHA512 + +int wc_InitSha512_ex(wc_Sha512* sha512, void* heap, int devId) +{ + int ret = 0; + + if (sha512 == NULL) + return BAD_FUNC_ARG; + + sha512->heap = heap; + + ret = InitSha512(sha512); + if (ret != 0) + return ret; + +#ifdef WOLFSSL_SMALL_STACK_CACHE + sha512->W = NULL; +#endif + + (void)devId; + + return ret; +} + +#endif /* WOLFSSL_SHA512 */ + +#ifndef WOLFSSL_ARMASM +static const word64 K512[80] = { + W64LIT(0x428a2f98d728ae22), W64LIT(0x7137449123ef65cd), + W64LIT(0xb5c0fbcfec4d3b2f), W64LIT(0xe9b5dba58189dbbc), + W64LIT(0x3956c25bf348b538), W64LIT(0x59f111f1b605d019), + W64LIT(0x923f82a4af194f9b), W64LIT(0xab1c5ed5da6d8118), + W64LIT(0xd807aa98a3030242), W64LIT(0x12835b0145706fbe), + W64LIT(0x243185be4ee4b28c), W64LIT(0x550c7dc3d5ffb4e2), + W64LIT(0x72be5d74f27b896f), W64LIT(0x80deb1fe3b1696b1), + W64LIT(0x9bdc06a725c71235), W64LIT(0xc19bf174cf692694), + W64LIT(0xe49b69c19ef14ad2), W64LIT(0xefbe4786384f25e3), + W64LIT(0x0fc19dc68b8cd5b5), W64LIT(0x240ca1cc77ac9c65), + W64LIT(0x2de92c6f592b0275), W64LIT(0x4a7484aa6ea6e483), + W64LIT(0x5cb0a9dcbd41fbd4), W64LIT(0x76f988da831153b5), + W64LIT(0x983e5152ee66dfab), W64LIT(0xa831c66d2db43210), + W64LIT(0xb00327c898fb213f), W64LIT(0xbf597fc7beef0ee4), + W64LIT(0xc6e00bf33da88fc2), W64LIT(0xd5a79147930aa725), + W64LIT(0x06ca6351e003826f), W64LIT(0x142929670a0e6e70), + W64LIT(0x27b70a8546d22ffc), W64LIT(0x2e1b21385c26c926), + W64LIT(0x4d2c6dfc5ac42aed), W64LIT(0x53380d139d95b3df), + W64LIT(0x650a73548baf63de), W64LIT(0x766a0abb3c77b2a8), + W64LIT(0x81c2c92e47edaee6), W64LIT(0x92722c851482353b), + W64LIT(0xa2bfe8a14cf10364), W64LIT(0xa81a664bbc423001), + W64LIT(0xc24b8b70d0f89791), W64LIT(0xc76c51a30654be30), + W64LIT(0xd192e819d6ef5218), W64LIT(0xd69906245565a910), + W64LIT(0xf40e35855771202a), W64LIT(0x106aa07032bbd1b8), + W64LIT(0x19a4c116b8d2d0c8), W64LIT(0x1e376c085141ab53), + W64LIT(0x2748774cdf8eeb99), W64LIT(0x34b0bcb5e19b48a8), + W64LIT(0x391c0cb3c5c95a63), W64LIT(0x4ed8aa4ae3418acb), + W64LIT(0x5b9cca4f7763e373), W64LIT(0x682e6ff3d6b2b8a3), + W64LIT(0x748f82ee5defb2fc), W64LIT(0x78a5636f43172f60), + W64LIT(0x84c87814a1f0ab72), W64LIT(0x8cc702081a6439ec), + W64LIT(0x90befffa23631e28), W64LIT(0xa4506cebde82bde9), + W64LIT(0xbef9a3f7b2c67915), W64LIT(0xc67178f2e372532b), + W64LIT(0xca273eceea26619c), W64LIT(0xd186b8c721c0c207), + W64LIT(0xeada7dd6cde0eb1e), W64LIT(0xf57d4f7fee6ed178), + W64LIT(0x06f067aa72176fba), W64LIT(0x0a637dc5a2c898a6), + W64LIT(0x113f9804bef90dae), W64LIT(0x1b710b35131c471b), + W64LIT(0x28db77f523047d84), W64LIT(0x32caab7b40c72493), + W64LIT(0x3c9ebe0a15c9bebc), W64LIT(0x431d67c49c100d4c), + W64LIT(0x4cc5d4becb3e42b6), W64LIT(0x597f299cfc657e2a), + W64LIT(0x5fcb6fab3ad6faec), W64LIT(0x6c44198c4a475817) +}; + +#ifdef LITTLE_ENDIAN_ORDER +#define blk0(i) (W[i] = ByteReverseWord64(DATA[i])) +#else +#define blk0(i) (W[i] = DATA[i]) +#endif + +#define blk2(i) ( \ + W[ i ] += \ + s1(W[(i- 2) & 15])+ \ + W[(i- 7) & 15] + \ + s0(W[(i-15) & 15]) \ + ) + +#define Ch(x,y,z) (z ^ ((z ^ y) & x)) +#define Maj(x,y,z) (y ^ ((y ^ z) & (x ^ y))) + +#define a(i) T[(0-i) & 7] +#define b(i) T[(1-i) & 7] +#define c(i) T[(2-i) & 7] +#define d(i) T[(3-i) & 7] +#define e(i) T[(4-i) & 7] +#define f(i) T[(5-i) & 7] +#define g(i) T[(6-i) & 7] +#define h(i) T[(7-i) & 7] + +#define S0(x) (rotrFixed64(x,28) ^ rotrFixed64(x,34) ^ rotrFixed64(x,39)) +#define S1(x) (rotrFixed64(x,14) ^ rotrFixed64(x,18) ^ rotrFixed64(x,41)) +#define s0(x) (rotrFixed64(x, 1) ^ rotrFixed64(x, 8) ^ (x>>7)) +#define s1(x) (rotrFixed64(x,19) ^ rotrFixed64(x,61) ^ (x>>6)) + +#define R0(i) \ + h(i) += S1(e(i)) + Ch(e(i),f(i),g(i)) + K[i+j] + blk0(i); \ + d(i) += h(i); \ + h(i) += S0(a(i)) + Maj(a(i),b(i),c(i)) +#define R(i) \ + h(i) += S1(e(i)) + Ch(e(i),f(i),g(i)) + K[i+j] + blk2(i); \ + d(i) += h(i); \ + h(i) += S0(a(i)) + Maj(a(i),b(i),c(i)) + +#define DATA sha512->buffer +static void Transform_Sha512(wc_Sha512* sha512) +{ + const word64* K = K512; + word32 j; + word64 T[8]; + word64 W[16]; + + /* Copy digest to working vars */ + T[0] = sha512->digest[0]; + T[1] = sha512->digest[1]; + T[2] = sha512->digest[2]; + T[3] = sha512->digest[3]; + T[4] = sha512->digest[4]; + T[5] = sha512->digest[5]; + T[6] = sha512->digest[6]; + T[7] = sha512->digest[7]; + + /* 80 operations, partially loop unrolled */ + j = 0; + R0( 0); R0( 1); R0( 2); R0( 3); + R0( 4); R0( 5); R0( 6); R0( 7); + R0( 8); R0( 9); R0(10); R0(11); + R0(12); R0(13); R0(14); R0(15); + for (j = 16; j < 80; j += 16) { + R( 0); R( 1); R( 2); R( 3); + R( 4); R( 5); R( 6); R( 7); + R( 8); R( 9); R(10); R(11); + R(12); R(13); R(14); R(15); + } + + /* Add the working vars back into digest */ + sha512->digest[0] += T[0]; + sha512->digest[1] += T[1]; + sha512->digest[2] += T[2]; + sha512->digest[3] += T[3]; + sha512->digest[4] += T[4]; + sha512->digest[5] += T[5]; + sha512->digest[6] += T[6]; + sha512->digest[7] += T[7]; + + return 0; +} +#undef DATA + +#define DATA ((word64*)data) +static void Transform_Sha512_Len(wc_Sha512* sha512, const byte* data, word32 len) +{ + const word64* K = K512; + word32 j; + word64 T[8]; + word64 TO[8]; + word64 W[16]; + + /* Copy digest to working vars */ + T[0] = sha512->digest[0]; + T[1] = sha512->digest[1]; + T[2] = sha512->digest[2]; + T[3] = sha512->digest[3]; + T[4] = sha512->digest[4]; + T[5] = sha512->digest[5]; + T[6] = sha512->digest[6]; + T[7] = sha512->digest[7]; + + do { + TO[0] = T[0]; + TO[1] = T[1]; + TO[2] = T[2]; + TO[3] = T[3]; + TO[4] = T[4]; + TO[5] = T[5]; + TO[6] = T[6]; + TO[7] = T[7]; + + /* 80 operations, partially loop unrolled */ + j = 0; + R0( 0); R0( 1); R0( 2); R0( 3); + R0( 4); R0( 5); R0( 6); R0( 7); + R0( 8); R0( 9); R0(10); R0(11); + R0(12); R0(13); R0(14); R0(15); + for (j = 16; j < 80; j += 16) { + R( 0); R( 1); R( 2); R( 3); + R( 4); R( 5); R( 6); R( 7); + R( 8); R( 9); R(10); R(11); + R(12); R(13); R(14); R(15); + } + + T[0] += TO[0]; + T[1] += TO[1]; + T[2] += TO[2]; + T[3] += TO[3]; + T[4] += TO[4]; + T[5] += TO[5]; + T[6] += TO[6]; + T[7] += TO[7]; + + data += 128; + len -= 128; + } + while (len > 0); + + /* Add the working vars back into digest */ + sha512->digest[0] = T[0]; + sha512->digest[1] = T[1]; + sha512->digest[2] = T[2]; + sha512->digest[3] = T[3]; + sha512->digest[4] = T[4]; + sha512->digest[5] = T[5]; + sha512->digest[6] = T[6]; + sha512->digest[7] = T[7]; + + return 0; +} +#undef DATA +#endif + + +static WC_INLINE void AddLength(wc_Sha512* sha512, word32 len) +{ + word64 tmp = sha512->loLen; + if ( (sha512->loLen += len) < tmp) + sha512->hiLen++; /* carry low to high */ +} + +static WC_INLINE int Sha512Update(wc_Sha512* sha512, const byte* data, word32 len) +{ + int ret = 0; + /* do block size increments */ + byte* local = (byte*)sha512->buffer; + word32 blocksLen; + + /* check that internal buffLen is valid */ + if (sha512->buffLen >= WC_SHA512_BLOCK_SIZE) + return BUFFER_E; + + AddLength(sha512, len); + + if (sha512->buffLen > 0) { + word32 add = min(len, WC_SHA512_BLOCK_SIZE - sha512->buffLen); + if (add > 0) { + XMEMCPY(&local[sha512->buffLen], data, add); + + sha512->buffLen += add; + data += add; + len -= add; + } + + if (sha512->buffLen == WC_SHA512_BLOCK_SIZE) { +#ifndef WOLFSSL_ARMASM + Transform_Sha512(sha512); +#else + Transform_Sha512_Len(sha512, (const byte*)sha512->buffer, + WC_SHA512_BLOCK_SIZE); +#endif + sha512->buffLen = 0; + } + } + + blocksLen = len & ~(WC_SHA512_BLOCK_SIZE-1); + if (blocksLen > 0) { + /* Byte reversal performed in function if required. */ + Transform_Sha512_Len(sha512, data, blocksLen); + data += blocksLen; + len -= blocksLen; + } + + if (len > 0) { + XMEMCPY(local, data, len); + sha512->buffLen = len; + } + + return ret; +} + +#ifdef WOLFSSL_SHA512 + +int wc_Sha512Update(wc_Sha512* sha512, const byte* data, word32 len) +{ + if (sha512 == NULL || (data == NULL && len > 0)) { + return BAD_FUNC_ARG; + } + + return Sha512Update(sha512, data, len); +} + +#endif /* WOLFSSL_SHA512 */ + +static WC_INLINE int Sha512Final(wc_Sha512* sha512) +{ + byte* local = (byte*)sha512->buffer; + + if (sha512 == NULL) { + return BAD_FUNC_ARG; + } + + local[sha512->buffLen++] = 0x80; /* add 1 */ + + /* pad with zeros */ + if (sha512->buffLen > WC_SHA512_PAD_SIZE) { + XMEMSET(&local[sha512->buffLen], 0, WC_SHA512_BLOCK_SIZE - + sha512->buffLen); + sha512->buffLen += WC_SHA512_BLOCK_SIZE - sha512->buffLen; +#ifndef WOLFSSL_ARMASM + Transform_Sha512(sha512); +#else + Transform_Sha512_Len(sha512, (const byte*)sha512->buffer, + WC_SHA512_BLOCK_SIZE); +#endif + + sha512->buffLen = 0; + } + XMEMSET(&local[sha512->buffLen], 0, WC_SHA512_PAD_SIZE - sha512->buffLen); + + /* put lengths in bits */ + sha512->hiLen = (sha512->loLen >> (8 * sizeof(sha512->loLen) - 3)) + + (sha512->hiLen << 3); + sha512->loLen = sha512->loLen << 3; + + /* store lengths */ + /* ! length ordering dependent on digest endian type ! */ + + sha512->buffer[WC_SHA512_BLOCK_SIZE / sizeof(word64) - 2] = sha512->hiLen; + sha512->buffer[WC_SHA512_BLOCK_SIZE / sizeof(word64) - 1] = sha512->loLen; + + ByteReverseWords64( + &(sha512->buffer[WC_SHA512_BLOCK_SIZE / sizeof(word64) - 2]), + &(sha512->buffer[WC_SHA512_BLOCK_SIZE / sizeof(word64) - 2]), + WC_SHA512_BLOCK_SIZE - WC_SHA512_PAD_SIZE); +#ifndef WOLFSSL_ARMASM + Transform_Sha512(sha512); +#else + Transform_Sha512_Len(sha512, (const byte*)sha512->buffer, + WC_SHA512_BLOCK_SIZE); +#endif + +#ifdef LITTLE_ENDIAN_ORDER + ByteReverseWords64(sha512->digest, sha512->digest, WC_SHA512_DIGEST_SIZE); +#endif + + return 0; +} + +#ifdef WOLFSSL_SHA512 + +int wc_Sha512FinalRaw(wc_Sha512* sha512, byte* hash) +{ +#ifdef LITTLE_ENDIAN_ORDER + word64 digest[WC_SHA512_DIGEST_SIZE / sizeof(word64)]; +#endif + + if (sha512 == NULL || hash == NULL) { + return BAD_FUNC_ARG; + } + +#ifdef LITTLE_ENDIAN_ORDER + ByteReverseWords64((word64*)digest, (word64*)sha512->digest, + WC_SHA512_DIGEST_SIZE); + XMEMCPY(hash, digest, WC_SHA512_DIGEST_SIZE); +#else + XMEMCPY(hash, sha512->digest, WC_SHA512_DIGEST_SIZE); +#endif + + return 0; +} + +int wc_Sha512Final(wc_Sha512* sha512, byte* hash) +{ + int ret; + + if (sha512 == NULL || hash == NULL) { + return BAD_FUNC_ARG; + } + + ret = Sha512Final(sha512); + if (ret != 0) + return ret; + + XMEMCPY(hash, sha512->digest, WC_SHA512_DIGEST_SIZE); + + return InitSha512(sha512); /* reset state */ +} + +int wc_InitSha512(wc_Sha512* sha512) +{ + return wc_InitSha512_ex(sha512, NULL, INVALID_DEVID); +} + +void wc_Sha512Free(wc_Sha512* sha512) +{ + if (sha512 == NULL) + return; + +#ifdef WOLFSSL_SMALL_STACK_CACHE + if (sha512->W != NULL) { + XFREE(sha512->W, NULL, DYNAMIC_TYPE_TMP_BUFFER); + sha512->W = NULL; + } +#endif +} + +#endif /* WOLFSSL_SHA512 */ + +/* -------------------------------------------------------------------------- */ +/* SHA384 */ +/* -------------------------------------------------------------------------- */ +#ifdef WOLFSSL_SHA384 + +static int InitSha384(wc_Sha384* sha384) +{ + if (sha384 == NULL) { + return BAD_FUNC_ARG; + } + + sha384->digest[0] = W64LIT(0xcbbb9d5dc1059ed8); + sha384->digest[1] = W64LIT(0x629a292a367cd507); + sha384->digest[2] = W64LIT(0x9159015a3070dd17); + sha384->digest[3] = W64LIT(0x152fecd8f70e5939); + sha384->digest[4] = W64LIT(0x67332667ffc00b31); + sha384->digest[5] = W64LIT(0x8eb44a8768581511); + sha384->digest[6] = W64LIT(0xdb0c2e0d64f98fa7); + sha384->digest[7] = W64LIT(0x47b5481dbefa4fa4); + + sha384->buffLen = 0; + sha384->loLen = 0; + sha384->hiLen = 0; +#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB) + sha384->flags = 0; +#endif + + return 0; +} + +int wc_Sha384Update(wc_Sha384* sha384, const byte* data, word32 len) +{ + if (sha384 == NULL || (data == NULL && len > 0)) { + return BAD_FUNC_ARG; + } + + return Sha512Update((wc_Sha512*)sha384, data, len); +} + + +int wc_Sha384FinalRaw(wc_Sha384* sha384, byte* hash) +{ +#ifdef LITTLE_ENDIAN_ORDER + word64 digest[WC_SHA384_DIGEST_SIZE / sizeof(word64)]; +#endif + + if (sha384 == NULL || hash == NULL) { + return BAD_FUNC_ARG; + } + +#ifdef LITTLE_ENDIAN_ORDER + ByteReverseWords64((word64*)digest, (word64*)sha384->digest, + WC_SHA384_DIGEST_SIZE); + XMEMCPY(hash, digest, WC_SHA384_DIGEST_SIZE); +#else + XMEMCPY(hash, sha384->digest, WC_SHA384_DIGEST_SIZE); +#endif + + return 0; +} + +int wc_Sha384Final(wc_Sha384* sha384, byte* hash) +{ + int ret; + + if (sha384 == NULL || hash == NULL) { + return BAD_FUNC_ARG; + } + + ret = Sha512Final((wc_Sha512*)sha384); + if (ret != 0) + return ret; + + XMEMCPY(hash, sha384->digest, WC_SHA384_DIGEST_SIZE); + + return InitSha384(sha384); /* reset state */ +} + +int wc_InitSha384_ex(wc_Sha384* sha384, void* heap, int devId) +{ + int ret; + + if (sha384 == NULL) { + return BAD_FUNC_ARG; + } + + sha384->heap = heap; + ret = InitSha384(sha384); + if (ret != 0) + return ret; + +#ifdef WOLFSSL_SMALL_STACK_CACHE + sha384->W = NULL; +#endif + + (void)devId; + + return ret; +} + +int wc_InitSha384(wc_Sha384* sha384) +{ + return wc_InitSha384_ex(sha384, NULL, INVALID_DEVID); +} + +void wc_Sha384Free(wc_Sha384* sha384) +{ + if (sha384 == NULL) + return; + +#ifdef WOLFSSL_SMALL_STACK_CACHE + if (sha384->W != NULL) { + XFREE(sha384->W, NULL, DYNAMIC_TYPE_TMP_BUFFER); + sha384->W = NULL; + } +#endif +} + +#endif /* WOLFSSL_SHA384 */ + +#ifdef WOLFSSL_SHA512 + +int wc_Sha512GetHash(wc_Sha512* sha512, byte* hash) +{ + int ret; + wc_Sha512 tmpSha512; + + if (sha512 == NULL || hash == NULL) + return BAD_FUNC_ARG; + + ret = wc_Sha512Copy(sha512, &tmpSha512); + if (ret == 0) { + ret = wc_Sha512Final(&tmpSha512, hash); + wc_Sha512Free(&tmpSha512); + } + return ret; +} + +int wc_Sha512Copy(wc_Sha512* src, wc_Sha512* dst) +{ + int ret = 0; + + if (src == NULL || dst == NULL) + return BAD_FUNC_ARG; + + XMEMCPY(dst, src, sizeof(wc_Sha512)); +#ifdef WOLFSSL_SMALL_STACK_CACHE + dst->W = NULL; +#endif + +#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB) + dst->flags |= WC_HASH_FLAG_ISCOPY; +#endif + + return ret; +} + +#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB) +int wc_Sha512SetFlags(wc_Sha512* sha512, word32 flags) +{ + if (sha512) { + sha512->flags = flags; + } + return 0; +} +int wc_Sha512GetFlags(wc_Sha512* sha512, word32* flags) +{ + if (sha512 && flags) { + *flags = sha512->flags; + } + return 0; +} +#endif + +#endif /* WOLFSSL_SHA512 */ + +#ifdef WOLFSSL_SHA384 + +int wc_Sha384GetHash(wc_Sha384* sha384, byte* hash) +{ + int ret; + wc_Sha384 tmpSha384; + + if (sha384 == NULL || hash == NULL) + return BAD_FUNC_ARG; + ret = wc_Sha384Copy(sha384, &tmpSha384); + if (ret == 0) { + ret = wc_Sha384Final(&tmpSha384, hash); + wc_Sha384Free(&tmpSha384); + } + return ret; +} +int wc_Sha384Copy(wc_Sha384* src, wc_Sha384* dst) +{ + int ret = 0; + + if (src == NULL || dst == NULL) + return BAD_FUNC_ARG; + + XMEMCPY(dst, src, sizeof(wc_Sha384)); +#ifdef WOLFSSL_SMALL_STACK_CACHE + dst->W = NULL; +#endif + +#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB) + dst->flags |= WC_HASH_FLAG_ISCOPY; +#endif + + return ret; +} + +#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB) +int wc_Sha384SetFlags(wc_Sha384* sha384, word32 flags) +{ + if (sha384) { + sha384->flags = flags; + } + return 0; +} +int wc_Sha384GetFlags(wc_Sha384* sha384, word32* flags) +{ + if (sha384 && flags) { + *flags = sha384->flags; + } + return 0; +} +#endif + +#endif /* WOLFSSL_SHA384 */ + +#endif /* WOLFSSL_SHA512 || WOLFSSL_SHA384 */ +#endif /* WOLFSSL_ARMASM */ |