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|
/* 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>
#if (defined(WOLFSSL_SHA512) || defined(WOLFSSL_SHA384)) && !defined(WOLFSSL_ARMASM)
#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$k")
#pragma const_seg(".fipsB$k")
#endif
#endif
#include <wolfssl/wolfcrypt/sha512.h>
#include <wolfssl/wolfcrypt/error-crypt.h>
#include <wolfssl/wolfcrypt/cpuid.h>
#include <wolfssl/wolfcrypt/hash.h>
/* deprecated USE_SLOW_SHA2 (replaced with USE_SLOW_SHA512) */
#if defined(USE_SLOW_SHA2) && !defined(USE_SLOW_SHA512)
#define USE_SLOW_SHA512
#endif
/* fips wrapper calls, user can call direct */
#if defined(HAVE_FIPS) && \
(!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
#ifdef WOLFSSL_SHA512
int wc_InitSha512(wc_Sha512* sha)
{
if (sha == NULL) {
return BAD_FUNC_ARG;
}
return InitSha512_fips(sha);
}
int wc_InitSha512_ex(wc_Sha512* sha, void* heap, int devId)
{
(void)heap;
(void)devId;
if (sha == NULL) {
return BAD_FUNC_ARG;
}
return InitSha512_fips(sha);
}
int wc_Sha512Update(wc_Sha512* sha, const byte* data, word32 len)
{
if (sha == NULL || (data == NULL && len > 0)) {
return BAD_FUNC_ARG;
}
return Sha512Update_fips(sha, data, len);
}
int wc_Sha512Final(wc_Sha512* sha, byte* out)
{
if (sha == NULL || out == NULL) {
return BAD_FUNC_ARG;
}
return Sha512Final_fips(sha, out);
}
void wc_Sha512Free(wc_Sha512* sha)
{
(void)sha;
/* Not supported in FIPS */
}
#endif
#if defined(WOLFSSL_SHA384) || defined(HAVE_AESGCM)
int wc_InitSha384(wc_Sha384* sha)
{
if (sha == NULL) {
return BAD_FUNC_ARG;
}
return InitSha384_fips(sha);
}
int wc_InitSha384_ex(wc_Sha384* sha, void* heap, int devId)
{
(void)heap;
(void)devId;
if (sha == NULL) {
return BAD_FUNC_ARG;
}
return InitSha384_fips(sha);
}
int wc_Sha384Update(wc_Sha384* sha, const byte* data, word32 len)
{
if (sha == NULL || (data == NULL && len > 0)) {
return BAD_FUNC_ARG;
}
return Sha384Update_fips(sha, data, len);
}
int wc_Sha384Final(wc_Sha384* sha, byte* out)
{
if (sha == NULL || out == NULL) {
return BAD_FUNC_ARG;
}
return Sha384Final_fips(sha, out);
}
void wc_Sha384Free(wc_Sha384* sha)
{
(void)sha;
/* Not supported in FIPS */
}
#endif /* WOLFSSL_SHA384 || HAVE_AESGCM */
#else /* else build without fips, or for FIPS v2 */
#include <wolfssl/wolfcrypt/logging.h>
#ifdef NO_INLINE
#include <wolfssl/wolfcrypt/misc.h>
#else
#define WOLFSSL_MISC_INCLUDED
#include <wolfcrypt/src/misc.c>
#endif
#if defined(USE_INTEL_SPEEDUP)
#if defined(__GNUC__) && ((__GNUC__ < 4) || \
(__GNUC__ == 4 && __GNUC_MINOR__ <= 8))
#undef NO_AVX2_SUPPORT
#define NO_AVX2_SUPPORT
#endif
#if defined(__clang__) && ((__clang_major__ < 3) || \
(__clang_major__ == 3 && __clang_minor__ <= 5))
#define NO_AVX2_SUPPORT
#elif defined(__clang__) && defined(NO_AVX2_SUPPORT)
#undef NO_AVX2_SUPPORT
#endif
#define HAVE_INTEL_AVX1
#ifndef NO_AVX2_SUPPORT
#define HAVE_INTEL_AVX2
#endif
#endif
#if defined(HAVE_INTEL_AVX1)
/* #define DEBUG_XMM */
#endif
#if defined(HAVE_INTEL_AVX2)
#define HAVE_INTEL_RORX
/* #define DEBUG_YMM */
#endif
#if defined(HAVE_BYTEREVERSE64) && \
!defined(HAVE_INTEL_AVX1) && !defined(HAVE_INTEL_AVX2)
#define ByteReverseWords64(out, in, size) ByteReverseWords64_1(out, size)
#define ByteReverseWords64_1(buf, size) \
{ unsigned int i ;\
for(i=0; i< size/sizeof(word64); i++){\
__asm__ volatile("bswapq %0":"+r"(buf[i])::) ;\
}\
}
#endif
#if defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
/* functions defined in wolfcrypt/src/port/caam/caam_sha.c */
#else
#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_ESP32WROOM32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
sha512->ctx.sha_type = SHA2_512;
/* always start firstblock = 1 when using hw engine */
sha512->ctx.isfirstblock = 1;
if(sha512->ctx.mode == ESP32_SHA_HW) {
/* release hw */
esp_sha_hw_unlock();
}
/* always set mode as INIT
* whether using HW or SW is determined at first call of update()
*/
sha512->ctx.mode = ESP32_SHA_INIT;
#endif
#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
sha512->flags = 0;
#endif
return 0;
}
#endif /* WOLFSSL_SHA512 */
/* Hardware Acceleration */
#if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
#ifdef WOLFSSL_SHA512
/*****
Intel AVX1/AVX2 Macro Control Structure
#if defined(HAVE_INteL_SPEEDUP)
#define HAVE_INTEL_AVX1
#define HAVE_INTEL_AVX2
#endif
int InitSha512(wc_Sha512* sha512) {
Save/Recover XMM, YMM
...
Check Intel AVX cpuid flags
}
#if defined(HAVE_INTEL_AVX1)|| defined(HAVE_INTEL_AVX2)
Transform_Sha512_AVX1(); # Function prototype
Transform_Sha512_AVX2(); #
#endif
_Transform_Sha512() { # Native Transform Function body
}
int Sha512Update() {
Save/Recover XMM, YMM
...
}
int Sha512Final() {
Save/Recover XMM, YMM
...
}
#if defined(HAVE_INTEL_AVX1)
XMM Instructions/INLINE asm Definitions
#endif
#if defined(HAVE_INTEL_AVX2)
YMM Instructions/INLINE asm Definitions
#endif
#if defnied(HAVE_INTEL_AVX1)
int Transform_Sha512_AVX1() {
Stitched Message Sched/Round
}
#endif
#if defnied(HAVE_INTEL_AVX2)
int Transform_Sha512_AVX2() {
Stitched Message Sched/Round
}
#endif
*/
/* Each platform needs to query info type 1 from cpuid to see if aesni is
* supported. Also, let's setup a macro for proper linkage w/o ABI conflicts
*/
#ifdef __cplusplus
extern "C" {
#endif
#if defined(HAVE_INTEL_AVX1)
extern int Transform_Sha512_AVX1(wc_Sha512 *sha512);
extern int Transform_Sha512_AVX1_Len(wc_Sha512 *sha512, word32 len);
#endif
#if defined(HAVE_INTEL_AVX2)
extern int Transform_Sha512_AVX2(wc_Sha512 *sha512);
extern int Transform_Sha512_AVX2_Len(wc_Sha512 *sha512, word32 len);
#if defined(HAVE_INTEL_RORX)
extern int Transform_Sha512_AVX1_RORX(wc_Sha512 *sha512);
extern int Transform_Sha512_AVX1_RORX_Len(wc_Sha512 *sha512,
word32 len);
extern int Transform_Sha512_AVX2_RORX(wc_Sha512 *sha512);
extern int Transform_Sha512_AVX2_RORX_Len(wc_Sha512 *sha512,
word32 len);
#endif
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
static int _Transform_Sha512(wc_Sha512 *sha512);
static int (*Transform_Sha512_p)(wc_Sha512* sha512) = _Transform_Sha512;
static int (*Transform_Sha512_Len_p)(wc_Sha512* sha512, word32 len) = NULL;
static int transform_check = 0;
static int intel_flags;
#define Transform_Sha512(sha512) (*Transform_Sha512_p)(sha512)
#define Transform_Sha512_Len(sha512, len) \
(*Transform_Sha512_Len_p)(sha512, len)
static void Sha512_SetTransform()
{
if (transform_check)
return;
intel_flags = cpuid_get_flags();
#if defined(HAVE_INTEL_AVX2)
if (IS_INTEL_AVX2(intel_flags)) {
#ifdef HAVE_INTEL_RORX
if (IS_INTEL_BMI2(intel_flags)) {
Transform_Sha512_p = Transform_Sha512_AVX2_RORX;
Transform_Sha512_Len_p = Transform_Sha512_AVX2_RORX_Len;
}
else
#endif
if (1) {
Transform_Sha512_p = Transform_Sha512_AVX2;
Transform_Sha512_Len_p = Transform_Sha512_AVX2_Len;
}
#ifdef HAVE_INTEL_RORX
else {
Transform_Sha512_p = Transform_Sha512_AVX1_RORX;
Transform_Sha512_Len_p = Transform_Sha512_AVX1_RORX_Len;
}
#endif
}
else
#endif
#if defined(HAVE_INTEL_AVX1)
if (IS_INTEL_AVX1(intel_flags)) {
Transform_Sha512_p = Transform_Sha512_AVX1;
Transform_Sha512_Len_p = Transform_Sha512_AVX1_Len;
}
else
#endif
Transform_Sha512_p = _Transform_Sha512;
transform_check = 1;
}
#endif /* WOLFSSL_SHA512 */
#else
#define Transform_Sha512(sha512) _Transform_Sha512(sha512)
#endif
#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;
#if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
Sha512_SetTransform();
#endif
#ifdef WOLFSSL_SMALL_STACK_CACHE
sha512->W = NULL;
#endif
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA512)
ret = wolfAsync_DevCtxInit(&sha512->asyncDev,
WOLFSSL_ASYNC_MARKER_SHA512, sha512->heap, devId);
#else
(void)devId;
#endif /* WOLFSSL_ASYNC_CRYPT */
return ret;
}
#endif /* WOLFSSL_SHA512 */
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)
};
#define blk0(i) (W[i] = sha512->buffer[i])
#define blk2(i) (\
W[ i & 15] += \
s1(W[(i-2) & 15])+ \
W[(i-7) & 15] + \
s0(W[(i-15) & 15]) \
)
#define Ch(x,y,z) (z ^ (x & (y ^ z)))
#define Maj(x,y,z) ((x & 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 R(i) \
h(i) += S1(e(i)) + Ch(e(i),f(i),g(i)) + K[i+j] + (j ? blk2(i) : blk0(i)); \
d(i) += h(i); \
h(i) += S0(a(i)) + Maj(a(i),b(i),c(i))
static int _Transform_Sha512(wc_Sha512* sha512)
{
const word64* K = K512;
word32 j;
word64 T[8];
#ifdef WOLFSSL_SMALL_STACK_CACHE
word64* W = sha512->W;
if (W == NULL) {
W = (word64*) XMALLOC(sizeof(word64) * 16, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (W == NULL)
return MEMORY_E;
sha512->W = W;
}
#elif defined(WOLFSSL_SMALL_STACK)
word64* W;
W = (word64*) XMALLOC(sizeof(word64) * 16, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (W == NULL)
return MEMORY_E;
#else
word64 W[16];
#endif
/* Copy digest to working vars */
XMEMCPY(T, sha512->digest, sizeof(T));
#ifdef USE_SLOW_SHA512
/* over twice as small, but 50% slower */
/* 80 operations, not unrolled */
for (j = 0; j < 80; j += 16) {
int m;
for (m = 0; m < 16; m++) { /* braces needed here for macros {} */
R(m);
}
}
#else
/* 80 operations, partially loop unrolled */
for (j = 0; 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);
}
#endif /* USE_SLOW_SHA512 */
/* Add the working vars back into digest */
sha512->digest[0] += a(0);
sha512->digest[1] += b(0);
sha512->digest[2] += c(0);
sha512->digest[3] += d(0);
sha512->digest[4] += e(0);
sha512->digest[5] += f(0);
sha512->digest[6] += g(0);
sha512->digest[7] += h(0);
/* Wipe variables */
ForceZero(W, sizeof(word64) * 16);
ForceZero(T, sizeof(T));
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SMALL_STACK_CACHE)
XFREE(W, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return 0;
}
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;
/* 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) {
#if defined(LITTLE_ENDIAN_ORDER)
#if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
#endif
{
#if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
ByteReverseWords64(sha512->buffer, sha512->buffer,
WC_SHA512_BLOCK_SIZE);
#endif
}
#endif
#if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
ret = Transform_Sha512(sha512);
#else
if(sha512->ctx.mode == ESP32_SHA_INIT) {
esp_sha_try_hw_lock(&sha512->ctx);
}
ret = esp_sha512_process(sha512);
if(ret == 0 && sha512->ctx.mode == ESP32_SHA_SW){
ret = Transform_Sha512(sha512);
}
#endif
if (ret == 0)
sha512->buffLen = 0;
else
len = 0;
}
}
#if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
if (Transform_Sha512_Len_p != NULL) {
word32 blocksLen = len & ~(WC_SHA512_BLOCK_SIZE-1);
if (blocksLen > 0) {
sha512->data = data;
/* Byte reversal performed in function if required. */
Transform_Sha512_Len(sha512, blocksLen);
data += blocksLen;
len -= blocksLen;
}
}
else
#endif
#if !defined(LITTLE_ENDIAN_ORDER) || defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
{
while (len >= WC_SHA512_BLOCK_SIZE) {
XMEMCPY(local, data, WC_SHA512_BLOCK_SIZE);
data += WC_SHA512_BLOCK_SIZE;
len -= WC_SHA512_BLOCK_SIZE;
#if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
{
ByteReverseWords64(sha512->buffer, sha512->buffer,
WC_SHA512_BLOCK_SIZE);
}
#endif
/* Byte reversal performed in function if required. */
ret = Transform_Sha512(sha512);
if (ret != 0)
break;
}
}
#else
{
while (len >= WC_SHA512_BLOCK_SIZE) {
XMEMCPY(local, data, WC_SHA512_BLOCK_SIZE);
data += WC_SHA512_BLOCK_SIZE;
len -= WC_SHA512_BLOCK_SIZE;
#if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
ByteReverseWords64(sha512->buffer, sha512->buffer,
WC_SHA512_BLOCK_SIZE);
#endif
#if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
ret = Transform_Sha512(sha512);
#else
if(sha512->ctx.mode == ESP32_SHA_INIT) {
esp_sha_try_hw_lock(&sha512->ctx);
}
ret = esp_sha512_process(sha512);
if(ret == 0 && sha512->ctx.mode == ESP32_SHA_SW){
ret = Transform_Sha512(sha512);
}
#endif
if (ret != 0)
break;
}
}
#endif
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;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA512)
if (sha512->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA512) {
#if defined(HAVE_INTEL_QA)
return IntelQaSymSha512(&sha512->asyncDev, NULL, data, len);
#endif
}
#endif /* WOLFSSL_ASYNC_CRYPT */
return Sha512Update(sha512, data, len);
}
#endif /* WOLFSSL_SHA512 */
#endif /* WOLFSSL_IMX6_CAAM */
static WC_INLINE int Sha512Final(wc_Sha512* sha512)
{
byte* local = (byte*)sha512->buffer;
int ret;
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;
#if defined(LITTLE_ENDIAN_ORDER)
#if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
#endif
{
#if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
ByteReverseWords64(sha512->buffer,sha512->buffer,
WC_SHA512_BLOCK_SIZE);
#endif
}
#endif /* LITTLE_ENDIAN_ORDER */
#if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
ret = Transform_Sha512(sha512);
#else
if(sha512->ctx.mode == ESP32_SHA_INIT) {
esp_sha_try_hw_lock(&sha512->ctx);
}
ret = esp_sha512_process(sha512);
if(ret == 0 && sha512->ctx.mode == ESP32_SHA_SW){
ret = Transform_Sha512(sha512);
}
#endif
if (ret != 0)
return ret;
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 */
#if defined(LITTLE_ENDIAN_ORDER)
#if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
#endif
#if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
ByteReverseWords64(sha512->buffer, sha512->buffer, WC_SHA512_PAD_SIZE);
#endif
#endif
/* ! length ordering dependent on digest endian type ! */
#if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
sha512->buffer[WC_SHA512_BLOCK_SIZE / sizeof(word64) - 2] = sha512->hiLen;
sha512->buffer[WC_SHA512_BLOCK_SIZE / sizeof(word64) - 1] = sha512->loLen;
#endif
#if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
if (IS_INTEL_AVX1(intel_flags) || IS_INTEL_AVX2(intel_flags))
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);
#endif
#if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
ret = Transform_Sha512(sha512);
#else
if(sha512->ctx.mode == ESP32_SHA_INIT) {
esp_sha_try_hw_lock(&sha512->ctx);
}
ret = esp_sha512_digest_process(sha512, 1);
if(ret == 0 && sha512->ctx.mode == ESP32_SHA_SW) {
ret = Transform_Sha512(sha512);
}
#endif
if (ret != 0)
return ret;
#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;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA512)
if (sha512->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA512) {
#if defined(HAVE_INTEL_QA)
return IntelQaSymSha512(&sha512->asyncDev, hash, NULL,
WC_SHA512_DIGEST_SIZE);
#endif
}
#endif /* WOLFSSL_ASYNC_CRYPT */
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
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA512)
wolfAsync_DevCtxFree(&sha512->asyncDev, WOLFSSL_ASYNC_MARKER_SHA512);
#endif /* WOLFSSL_ASYNC_CRYPT */
}
#endif /* WOLFSSL_SHA512 */
/* -------------------------------------------------------------------------- */
/* SHA384 */
/* -------------------------------------------------------------------------- */
#ifdef WOLFSSL_SHA384
#if defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
/* functions defined in wolfcrypt/src/port/caam/caam_sha.c */
#else
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_ESP32WROOM32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
sha384->ctx.sha_type = SHA2_384;
/* always start firstblock = 1 when using hw engine */
sha384->ctx.isfirstblock = 1;
if(sha384->ctx.mode == ESP32_SHA_HW) {
/* release hw */
esp_sha_hw_unlock();
}
/* always set mode as INIT
* whether using HW or SW is determined at first call of update()
*/
sha384->ctx.mode = ESP32_SHA_INIT;
#endif
#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;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA384)
if (sha384->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA384) {
#if defined(HAVE_INTEL_QA)
return IntelQaSymSha384(&sha384->asyncDev, NULL, data, len);
#endif
}
#endif /* WOLFSSL_ASYNC_CRYPT */
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;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA384)
if (sha384->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA384) {
#if defined(HAVE_INTEL_QA)
return IntelQaSymSha384(&sha384->asyncDev, hash, NULL,
WC_SHA384_DIGEST_SIZE);
#endif
}
#endif /* WOLFSSL_ASYNC_CRYPT */
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;
#if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
Sha512_SetTransform();
#endif
#ifdef WOLFSSL_SMALL_STACK_CACHE
sha384->W = NULL;
#endif
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA384)
ret = wolfAsync_DevCtxInit(&sha384->asyncDev, WOLFSSL_ASYNC_MARKER_SHA384,
sha384->heap, devId);
#else
(void)devId;
#endif /* WOLFSSL_ASYNC_CRYPT */
return ret;
}
#endif /* WOLFSSL_IMX6_CAAM */
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
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA384)
wolfAsync_DevCtxFree(&sha384->asyncDev, WOLFSSL_ASYNC_MARKER_SHA384);
#endif /* WOLFSSL_ASYNC_CRYPT */
}
#endif /* WOLFSSL_SHA384 */
#endif /* HAVE_FIPS */
#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;
#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
if(sha512->ctx.mode == ESP32_SHA_INIT) {
esp_sha_try_hw_lock(&sha512->ctx);
}
if(sha512->ctx.mode != ESP32_SHA_SW)
esp_sha512_digest_process(sha512, 0);
#endif
ret = wc_Sha512Copy(sha512, &tmpSha512);
if (ret == 0) {
ret = wc_Sha512Final(&tmpSha512, hash);
#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
sha512->ctx.mode = ESP32_SHA_SW;;
#endif
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
#ifdef WOLFSSL_ASYNC_CRYPT
ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
#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;
}
#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;
#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
if(sha384->ctx.mode == ESP32_SHA_INIT) {
esp_sha_try_hw_lock(&sha384->ctx);
}
if(sha384->ctx.mode != ESP32_SHA_SW) {
esp_sha512_digest_process(sha384, 0);
}
#endif
ret = wc_Sha384Copy(sha384, &tmpSha384);
if (ret == 0) {
ret = wc_Sha384Final(&tmpSha384, hash);
#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
sha384->ctx.mode = ESP32_SHA_SW;
#endif
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
#ifdef WOLFSSL_ASYNC_CRYPT
ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
#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;
}
#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 */
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