wolfSSL SSL/TLS library, support up to TLS1.3
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wolfcrypt/src/sha3.c
- Committer:
- wolfSSL
- Date:
- 2017-08-22
- Revision:
- 12:1a06964c2adb
File content as of revision 12:1a06964c2adb:
/* sha3.c * * Copyright (C) 2006-2016 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> #if defined(WOLFSSL_SHA3) && !defined(WOLFSSL_XILINX_CRYPT) #include <wolfssl/wolfcrypt/sha3.h> #include <wolfssl/wolfcrypt/error-crypt.h> /* fips wrapper calls, user can call direct */ #ifdef HAVE_FIPS int wc_InitSha3_224(Sha3* sha, void* heap, int devId) { (void)heap; (void)devId; if (sha == NULL) { return BAD_FUNC_ARG; } return InitSha3_224_fips(sha); } int wc_Sha3_224_Update(Sha3* sha, const byte* data, word32 len) { if (sha == NULL || (data == NULL && len > 0)) { return BAD_FUNC_ARG; } return Sha3_224_Update_fips(sha, data, len); } int wc_Sha3_224_Final(Sha3* sha, byte* out) { if (sha == NULL || out == NULL) { return BAD_FUNC_ARG; } return Sha3_224_Final_fips(sha, out); } void wc_Sha3_224_Free(Sha3* sha) { (void)sha; /* Not supported in FIPS */ } int wc_InitSha3_256(Sha3* sha, void* heap, int devId) { (void)heap; (void)devId; if (sha == NULL) { return BAD_FUNC_ARG; } return InitSha3_256_fips(sha); } int wc_Sha3_256_Update(Sha3* sha, const byte* data, word32 len) { if (sha == NULL || (data == NULL && len > 0)) { return BAD_FUNC_ARG; } return Sha3_256_Update_fips(sha, data, len); } int wc_Sha3_256_Final(Sha3* sha, byte* out) { if (sha == NULL || out == NULL) { return BAD_FUNC_ARG; } return Sha3_256_Final_fips(sha, out); } void wc_Sha3_256_Free(Sha3* sha) { (void)sha; /* Not supported in FIPS */ } int wc_InitSha3_384(Sha3* sha, void* heap, int devId) { (void)heap; (void)devId; if (sha == NULL) { return BAD_FUNC_ARG; } return InitSha3_384_fips(sha); } int wc_Sha3_384_Update(Sha3* sha, const byte* data, word32 len) { if (sha == NULL || (data == NULL && len > 0)) { return BAD_FUNC_ARG; } return Sha3_384_Update_fips(sha, data, len); } int wc_Sha3_384_Final(Sha3* sha, byte* out) { if (sha == NULL || out == NULL) { return BAD_FUNC_ARG; } return Sha3_384_Final_fips(sha, out); } void wc_Sha3_384_Free(Sha3* sha) { (void)sha; /* Not supported in FIPS */ } int wc_InitSha3_512(Sha3* sha, void* heap, int devId) { (void)heap; (void)devId; if (sha == NULL) { return BAD_FUNC_ARG; } return InitSha3_512_fips(sha); } int wc_Sha3_512_Update(Sha3* sha, const byte* data, word32 len) { if (sha == NULL || (data == NULL && len > 0)) { return BAD_FUNC_ARG; } return Sha3_512_Update_fips(sha, data, len); } int wc_Sha3_512_Final(Sha3* sha, byte* out) { if (sha == NULL || out == NULL) { return BAD_FUNC_ARG; } return Sha3_512_Final_fips(sha, out); } void wc_Sha3_512_Free(Sha3* sha) { (void)sha; /* Not supported in FIPS */ } #else /* else build without fips */ #ifdef NO_INLINE #include <wolfssl/wolfcrypt/misc.h> #else #define WOLFSSL_MISC_INCLUDED #include <wolfcrypt/src/misc.c> #endif #ifdef WOLFSSL_SHA3_SMALL /* Rotate a 64-bit value left. * * a Number to rotate left. * r Number od bits to rotate left. * returns the rotated number. */ #define ROTL64(a, n) (((a)<<(n))|((a)>>(64-(n)))) /* An array of values to XOR for block operation. */ static const word64 hash_keccak_r[24] = { 0x0000000000000001UL, 0x0000000000008082UL, 0x800000000000808aUL, 0x8000000080008000UL, 0x000000000000808bUL, 0x0000000080000001UL, 0x8000000080008081UL, 0x8000000000008009UL, 0x000000000000008aUL, 0x0000000000000088UL, 0x0000000080008009UL, 0x000000008000000aUL, 0x000000008000808bUL, 0x800000000000008bUL, 0x8000000000008089UL, 0x8000000000008003UL, 0x8000000000008002UL, 0x8000000000000080UL, 0x000000000000800aUL, 0x800000008000000aUL, 0x8000000080008081UL, 0x8000000000008080UL, 0x0000000080000001UL, 0x8000000080008008UL }; /* Indeces used in swap and rotate operation. */ #define K_I_0 10 #define K_I_1 7 #define K_I_2 11 #define K_I_3 17 #define K_I_4 18 #define K_I_5 3 #define K_I_6 5 #define K_I_7 16 #define K_I_8 8 #define K_I_9 21 #define K_I_10 24 #define K_I_11 4 #define K_I_12 15 #define K_I_13 23 #define K_I_14 19 #define K_I_15 13 #define K_I_16 12 #define K_I_17 2 #define K_I_18 20 #define K_I_19 14 #define K_I_20 22 #define K_I_21 9 #define K_I_22 6 #define K_I_23 1 /* Number of bits to rotate in swap and rotate operation. */ #define K_R_0 1 #define K_R_1 3 #define K_R_2 6 #define K_R_3 10 #define K_R_4 15 #define K_R_5 21 #define K_R_6 28 #define K_R_7 36 #define K_R_8 45 #define K_R_9 55 #define K_R_10 2 #define K_R_11 14 #define K_R_12 27 #define K_R_13 41 #define K_R_14 56 #define K_R_15 8 #define K_R_16 25 #define K_R_17 43 #define K_R_18 62 #define K_R_19 18 #define K_R_20 39 #define K_R_21 61 #define K_R_22 20 #define K_R_23 44 /* Swap and rotate left operation. * * s The state. * t1 Temporary value. * t2 Second temporary value. * i The index of the loop. */ #define SWAP_ROTL(s, t1, t2, i) \ do \ { \ t2 = s[K_I_##i]; s[K_I_##i] = ROTL64(t1, K_R_##i); \ } \ while (0) /* Mix the XOR of the column's values into each number by column. * * s The state. * b Temporary array of XORed column values. * x The index of the column. * t Temporary variable. */ #define COL_MIX(s, b, x, t) \ do \ { \ for (x = 0; x < 5; x++) \ b[x] = s[x + 0] ^ s[x + 5] ^ s[x + 10] ^ s[x + 15] ^ s[x + 20]; \ for (x = 0; x < 5; x++) \ { \ t = b[(x + 4) % 5] ^ ROTL64(b[(x + 1) % 5], 1); \ s[x + 0] ^= t; \ s[x + 5] ^= t; \ s[x + 10] ^= t; \ s[x + 15] ^= t; \ s[x + 20] ^= t; \ } \ } \ while (0) #ifdef SHA3_BY_SPEC /* Mix the row values. * BMI1 has ANDN instruction ((~a) & b) - Haswell and above. * * s The state. * b Temporary array of XORed row values. * y The index of the row to work on. * x The index of the column. * t0 Temporary variable. * t1 Temporary variable. */ #define ROW_MIX(s, b, y, x, t0, t1) \ do \ { \ for (y = 0; y < 5; y++) \ { \ for (x = 0; x < 5; x++) \ b[x] = s[y * 5 + x]; \ for (x = 0; x < 5; x++) \ s[y * 5 + x] = b[x] ^ (~b[(x + 1) % 5] & b[(x + 2) % 5]); \ } \ } \ while (0) #else /* Mix the row values. * a ^ (~b & c) == a ^ (c & (b ^ c)) == (a ^ b) ^ (b | c) * * s The state. * b Temporary array of XORed row values. * y The index of the row to work on. * x The index of the column. * t0 Temporary variable. * t1 Temporary variable. */ #define ROW_MIX(s, b, y, x, t12, t34) \ do \ { \ for (y = 0; y < 5; y++) \ { \ for (x = 0; x < 5; x++) \ b[x] = s[y * 5 + x]; \ t12 = (b[1] ^ b[2]); t34 = (b[3] ^ b[4]); \ s[y * 5 + 0] = b[0] ^ (b[2] & t12); \ s[y * 5 + 1] = t12 ^ (b[2] | b[3]); \ s[y * 5 + 2] = b[2] ^ (b[4] & t34); \ s[y * 5 + 3] = t34 ^ (b[4] | b[0]); \ s[y * 5 + 4] = b[4] ^ (b[1] & (b[0] ^ b[1])); \ } \ } \ while (0) #endif /* The block operation performed on the state. * * s The state. */ static void BlockSha3(word64 *s) { byte i, x, y; word64 t0, t1; word64 b[5]; for (i = 0; i < 24; i++) { COL_MIX(s, b, x, t0); t0 = s[1]; SWAP_ROTL(s, t0, t1, 0); SWAP_ROTL(s, t1, t0, 1); SWAP_ROTL(s, t0, t1, 2); SWAP_ROTL(s, t1, t0, 3); SWAP_ROTL(s, t0, t1, 4); SWAP_ROTL(s, t1, t0, 5); SWAP_ROTL(s, t0, t1, 6); SWAP_ROTL(s, t1, t0, 7); SWAP_ROTL(s, t0, t1, 8); SWAP_ROTL(s, t1, t0, 9); SWAP_ROTL(s, t0, t1, 10); SWAP_ROTL(s, t1, t0, 11); SWAP_ROTL(s, t0, t1, 12); SWAP_ROTL(s, t1, t0, 13); SWAP_ROTL(s, t0, t1, 14); SWAP_ROTL(s, t1, t0, 15); SWAP_ROTL(s, t0, t1, 16); SWAP_ROTL(s, t1, t0, 17); SWAP_ROTL(s, t0, t1, 18); SWAP_ROTL(s, t1, t0, 19); SWAP_ROTL(s, t0, t1, 20); SWAP_ROTL(s, t1, t0, 21); SWAP_ROTL(s, t0, t1, 22); SWAP_ROTL(s, t1, t0, 23); ROW_MIX(s, b, y, x, t0, t1); s[0] ^= hash_keccak_r[i]; } } #else #include "sha3_long.i" #endif /* Convert the array of bytes, in little-endian order, to a 64-bit integer. * * a Array of bytes. * returns a 64-bit integer. */ static word64 Load64BitBigEndian(const byte* a) { #ifdef BIG_ENDIAN_ORDER word64 n = 0; int i; for (i = 0; i < 8; i++) n |= (word64)a[i] << (8 * i); return n; #else return *(word64*)a; #endif } /* Initialize the state for a SHA3-224 hash operation. * * sha3 Sha3 object holding state. * returns 0 on success. */ static int InitSha3(Sha3* sha3) { int i; for (i = 0; i < 25; i++) sha3->s[i] = 0; sha3->i = 0; return 0; } /* Update the SHA-3 hash state with message data. * * sha3 Sha3 object holding state. * data Message data to be hashed. * len Length of the message data. * p Number of 64-bit numbers in a block of data to process. * returns 0 on success. */ static int Sha3Update(Sha3* sha3, const byte* data, word32 len, byte p) { byte i; byte l; byte *t; if (sha3->i > 0) { l = p * 8 - sha3->i; if (l > len) l = len; t = &sha3->t[sha3->i]; for (i = 0; i < l; i++) t[i] = data[i]; data += i; len -= i; sha3->i += i; if (sha3->i == p * 8) { for (i = 0; i < p; i++) sha3->s[i] ^= Load64BitBigEndian(sha3->t + 8 * i); BlockSha3(sha3->s); sha3->i = 0; } } while (len >= p * 8) { for (i = 0; i < p; i++) sha3->s[i] ^= Load64BitBigEndian(data + 8 * i); BlockSha3(sha3->s); len -= p * 8; data += p * 8; } for (i = 0; i < len; i++) sha3->t[i] = data[i]; sha3->i += i; return 0; } /* Calculate the SHA-3 hash based on all the message data seen. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. * p Number of 64-bit numbers in a block of data to process. * len Number of bytes in output. * returns 0 on success. */ static int Sha3Final(Sha3* sha3, byte* hash, byte p, byte l) { byte i; byte *s8 = (byte *)sha3->s; sha3->t[p * 8 - 1] = 0x00; sha3->t[ sha3->i] = 0x06; sha3->t[p * 8 - 1] |= 0x80; for (i=sha3->i + 1; i < p * 8 - 1; i++) sha3->t[i] = 0; for (i = 0; i < p; i++) sha3->s[i] ^= Load64BitBigEndian(sha3->t + 8 * i); BlockSha3(sha3->s); #if defined(BIG_ENDIAN_ORDER) ByteReverseWords64(sha3->s, sha3->s, ((l+7)/8)*8); #endif for (i = 0; i < l; i++) hash[i] = s8[i]; return 0; } /* Initialize the state for a SHA-3 hash operation. * * sha3 Sha3 object holding state. * heap Heap reference for dynamic memory allocation. (Used in async ops.) * devId Device identifier for asynchronous operation. * returns 0 on success. */ static int wc_InitSha3(Sha3* sha3, void* heap, int devId) { int ret = 0; if (sha3 == NULL) return BAD_FUNC_ARG; sha3->heap = heap; ret = InitSha3(sha3); if (ret != 0) return ret; #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA3) ret = wolfAsync_DevCtxInit(&sha3->asyncDev, WOLFSSL_ASYNC_MARKER_SHA3, sha3->heap, devId); #else (void)devId; #endif /* WOLFSSL_ASYNC_CRYPT */ return ret; } /* Update the SHA-3 hash state with message data. * * sha3 Sha3 object holding state. * data Message data to be hashed. * len Length of the message data. * p Number of 64-bit numbers in a block of data to process. * returns 0 on success. */ static int wc_Sha3Update(Sha3* sha3, const byte* data, word32 len, byte p) { int ret = 0; if (sha3 == NULL || (data == NULL && len > 0)) { return BAD_FUNC_ARG; } #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA3) if (sha3->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA3) { #if defined(HAVE_INTEL_QA) return IntelQaSymSha3(&sha3->asyncDev, NULL, data, len); #endif } #endif /* WOLFSSL_ASYNC_CRYPT */ Sha3Update(sha3, data, len, p); return ret; } /* Calculate the SHA-3 hash based on all the message data seen. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. * p Number of 64-bit numbers in a block of data to process. * len Number of bytes in output. * returns 0 on success. */ static int wc_Sha3Final(Sha3* sha3, byte* hash, byte p, byte len) { int ret; if (sha3 == NULL || hash == NULL) { return BAD_FUNC_ARG; } #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA3) if (sha3->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA3) { #if defined(HAVE_INTEL_QA) return IntelQaSymSha3(&sha3->asyncDev, hash, NULL, SHA3_DIGEST_SIZE); #endif } #endif /* WOLFSSL_ASYNC_CRYPT */ ret = Sha3Final(sha3, hash, p, len); if (ret != 0) return ret; return InitSha3(sha3); /* reset state */ } /* Dispose of any dynamically allocated data from the SHA3-384 operation. * (Required for async ops.) * * sha3 Sha3 object holding state. * returns 0 on success. */ static void wc_Sha3Free(Sha3* sha3) { (void)sha3; #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA3) if (sha3 == NULL) return; wolfAsync_DevCtxFree(&sha3->asyncDev, WOLFSSL_ASYNC_MARKER_SHA3); #endif /* WOLFSSL_ASYNC_CRYPT */ } #endif /* HAVE_FIPS */ /* Copy the state of the SHA3 operation. * * src Sha3 object holding state top copy. * dst Sha3 object to copy into. * returns 0 on success. */ static int wc_Sha3Copy(Sha3* src, Sha3* dst) { int ret = 0; if (src == NULL || dst == NULL) return BAD_FUNC_ARG; XMEMCPY(dst, src, sizeof(Sha3)); #ifdef WOLFSSL_ASYNC_CRYPT ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev); #endif return ret; } /* Calculate the SHA3-224 hash based on all the message data so far. * More message data can be added, after this operation, using the current * state. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. Must be at least 28 bytes. * p Number of 64-bit numbers in a block of data to process. * len Number of bytes in output. * returns 0 on success. */ static int wc_Sha3GetHash(Sha3* sha3, byte* hash, byte p, byte len) { int ret; Sha3 tmpSha3; if (sha3 == NULL || hash == NULL) return BAD_FUNC_ARG; ret = wc_Sha3Copy(sha3, &tmpSha3); if (ret == 0) { ret = wc_Sha3Final(&tmpSha3, hash, p, len); } return ret; } /* Initialize the state for a SHA3-224 hash operation. * * sha3 Sha3 object holding state. * heap Heap reference for dynamic memory allocation. (Used in async ops.) * devId Device identifier for asynchronous operation. * returns 0 on success. */ WOLFSSL_API int wc_InitSha3_224(Sha3* sha3, void* heap, int devId) { return wc_InitSha3(sha3, heap, devId); } /* Update the SHA3-224 hash state with message data. * * sha3 Sha3 object holding state. * data Message data to be hashed. * len Length of the message data. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_224_Update(Sha3* sha3, const byte* data, word32 len) { return wc_Sha3Update(sha3, data, len, SHA3_224_COUNT); } /* Calculate the SHA3-224 hash based on all the message data seen. * The state is initialized ready for a new message to hash. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. Must be at least 28 bytes. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_224_Final(Sha3* sha3, byte* hash) { return wc_Sha3Final(sha3, hash, SHA3_224_COUNT, SHA3_224_DIGEST_SIZE); } /* Dispose of any dynamically allocated data from the SHA3-224 operation. * (Required for async ops.) * * sha3 Sha3 object holding state. * returns 0 on success. */ WOLFSSL_API void wc_Sha3_224_Free(Sha3* sha3) { wc_Sha3Free(sha3); } /* Calculate the SHA3-224 hash based on all the message data so far. * More message data can be added, after this operation, using the current * state. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. Must be at least 28 bytes. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_224_GetHash(Sha3* sha3, byte* hash) { return wc_Sha3GetHash(sha3, hash, SHA3_224_COUNT, SHA3_224_DIGEST_SIZE); } /* Copy the state of the SHA3-224 operation. * * src Sha3 object holding state top copy. * dst Sha3 object to copy into. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_224_Copy(Sha3* src, Sha3* dst) { return wc_Sha3Copy(src, dst); } /* Initialize the state for a SHA3-256 hash operation. * * sha3 Sha3 object holding state. * heap Heap reference for dynamic memory allocation. (Used in async ops.) * devId Device identifier for asynchronous operation. * returns 0 on success. */ WOLFSSL_API int wc_InitSha3_256(Sha3* sha3, void* heap, int devId) { return wc_InitSha3(sha3, heap, devId); } /* Update the SHA3-256 hash state with message data. * * sha3 Sha3 object holding state. * data Message data to be hashed. * len Length of the message data. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_256_Update(Sha3* sha3, const byte* data, word32 len) { return wc_Sha3Update(sha3, data, len, SHA3_256_COUNT); } /* Calculate the SHA3-256 hash based on all the message data seen. * The state is initialized ready for a new message to hash. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. Must be at least 32 bytes. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_256_Final(Sha3* sha3, byte* hash) { return wc_Sha3Final(sha3, hash, SHA3_256_COUNT, SHA3_256_DIGEST_SIZE); } /* Dispose of any dynamically allocated data from the SHA3-256 operation. * (Required for async ops.) * * sha3 Sha3 object holding state. * returns 0 on success. */ WOLFSSL_API void wc_Sha3_256_Free(Sha3* sha3) { wc_Sha3Free(sha3); } /* Calculate the SHA3-256 hash based on all the message data so far. * More message data can be added, after this operation, using the current * state. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. Must be at least 32 bytes. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_256_GetHash(Sha3* sha3, byte* hash) { return wc_Sha3GetHash(sha3, hash, SHA3_256_COUNT, SHA3_256_DIGEST_SIZE); } /* Copy the state of the SHA3-256 operation. * * src Sha3 object holding state top copy. * dst Sha3 object to copy into. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_256_Copy(Sha3* src, Sha3* dst) { return wc_Sha3Copy(src, dst); } /* Initialize the state for a SHA3-384 hash operation. * * sha3 Sha3 object holding state. * heap Heap reference for dynamic memory allocation. (Used in async ops.) * devId Device identifier for asynchronous operation. * returns 0 on success. */ WOLFSSL_API int wc_InitSha3_384(Sha3* sha3, void* heap, int devId) { return wc_InitSha3(sha3, heap, devId); } /* Update the SHA3-384 hash state with message data. * * sha3 Sha3 object holding state. * data Message data to be hashed. * len Length of the message data. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_384_Update(Sha3* sha3, const byte* data, word32 len) { return wc_Sha3Update(sha3, data, len, SHA3_384_COUNT); } /* Calculate the SHA3-384 hash based on all the message data seen. * The state is initialized ready for a new message to hash. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. Must be at least 48 bytes. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_384_Final(Sha3* sha3, byte* hash) { return wc_Sha3Final(sha3, hash, SHA3_384_COUNT, SHA3_384_DIGEST_SIZE); } /* Dispose of any dynamically allocated data from the SHA3-384 operation. * (Required for async ops.) * * sha3 Sha3 object holding state. * returns 0 on success. */ WOLFSSL_API void wc_Sha3_384_Free(Sha3* sha3) { wc_Sha3Free(sha3); } /* Calculate the SHA3-384 hash based on all the message data so far. * More message data can be added, after this operation, using the current * state. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. Must be at least 48 bytes. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_384_GetHash(Sha3* sha3, byte* hash) { return wc_Sha3GetHash(sha3, hash, SHA3_384_COUNT, SHA3_384_DIGEST_SIZE); } /* Copy the state of the SHA3-384 operation. * * src Sha3 object holding state top copy. * dst Sha3 object to copy into. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_384_Copy(Sha3* src, Sha3* dst) { return wc_Sha3Copy(src, dst); } /* Initialize the state for a SHA3-512 hash operation. * * sha3 Sha3 object holding state. * heap Heap reference for dynamic memory allocation. (Used in async ops.) * devId Device identifier for asynchronous operation. * returns 0 on success. */ WOLFSSL_API int wc_InitSha3_512(Sha3* sha3, void* heap, int devId) { return wc_InitSha3(sha3, heap, devId); } /* Update the SHA3-512 hash state with message data. * * sha3 Sha3 object holding state. * data Message data to be hashed. * len Length of the message data. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_512_Update(Sha3* sha3, const byte* data, word32 len) { return wc_Sha3Update(sha3, data, len, SHA3_512_COUNT); } /* Calculate the SHA3-512 hash based on all the message data seen. * The state is initialized ready for a new message to hash. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. Must be at least 64 bytes. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_512_Final(Sha3* sha3, byte* hash) { return wc_Sha3Final(sha3, hash, SHA3_512_COUNT, SHA3_512_DIGEST_SIZE); } /* Dispose of any dynamically allocated data from the SHA3-512 operation. * (Required for async ops.) * * sha3 Sha3 object holding state. * returns 0 on success. */ WOLFSSL_API void wc_Sha3_512_Free(Sha3* sha3) { wc_Sha3Free(sha3); } /* Calculate the SHA3-512 hash based on all the message data so far. * More message data can be added, after this operation, using the current * state. * * sha3 Sha3 object holding state. * hash Buffer to hold the hash result. Must be at least 64 bytes. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_512_GetHash(Sha3* sha3, byte* hash) { return wc_Sha3GetHash(sha3, hash, SHA3_512_COUNT, SHA3_512_DIGEST_SIZE); } /* Copy the state of the SHA3-512 operation. * * src Sha3 object holding state top copy. * dst Sha3 object to copy into. * returns 0 on success. */ WOLFSSL_API int wc_Sha3_512_Copy(Sha3* src, Sha3* dst) { return wc_Sha3Copy(src, dst); } #endif /* WOLFSSL_SHA3 */