static NTSTATUS hash_init( struct hash *hash )
{
switch (hash->alg_id)
{
case ALG_ID_SHA1:
CC_SHA1_Init( &hash->u.sha1_ctx );
break;
case ALG_ID_SHA256:
CC_SHA256_Init( &hash->u.sha256_ctx );
break;
case ALG_ID_SHA384:
CC_SHA384_Init( &hash->u.sha512_ctx );
break;
case ALG_ID_SHA512:
CC_SHA512_Init( &hash->u.sha512_ctx );
break;
default:
ERR( "unhandled id %u\n", hash->alg_id );
return STATUS_NOT_IMPLEMENTED;
}
return STATUS_SUCCESS;
}
int ed25519_verify(const unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *public_key) {
unsigned char h[64];
unsigned char checker[32];
CC_SHA512_CTX hash;
ge_p3 A;
ge_p2 R;
if (signature[63] & 224) {
return 0;
}
if (ge_frombytes_negate_vartime(&A, public_key) != 0) {
return 0;
}
CC_SHA512_Init(&hash);
CC_SHA512_Update(&hash, signature, 32);
CC_SHA512_Update(&hash, public_key, 32);
CC_SHA512_Update_Long(&hash, message, message_len);
CC_SHA512_Final(h, &hash);
sc_reduce(h);
ge_double_scalarmult_vartime(&R, h, &A, signature + 32);
ge_tobytes(checker, &R);
if (!consttime_equal(checker, signature)) {
return 0;
}
return 1;
}
u2_weak // produce
j2_mbc(Pt5, shal)(u2_wire wir_r,
u2_atom a, // retain
u2_atom b) // retain
{
c3_assert(u2_fly_is_cat(a));
c3_y* fat_y = c3_malloc(a + 1);
u2_bytes(0, a, fat_y, b);
{
c3_y dig_y[64];
#if defined(U2_OS_osx)
CC_SHA512_CTX ctx_h;
CC_SHA512_Init(&ctx_h);
CC_SHA512_Update(&ctx_h, fat_y, a);
CC_SHA512_Final(dig_y, &ctx_h);
#else
SHA512_CTX ctx_h;
SHA512_Init(&ctx_h);
SHA512_Update(&ctx_h, fat_y, a);
SHA512_Final(dig_y, &ctx_h);
#endif
free(fat_y);
return u2_rl_bytes(wir_r, 64, dig_y);
}
}
u3_noun
u3qe_shal(u3_atom a,
u3_atom b)
{
c3_assert(_(u3a_is_cat(a)));
c3_y* fat_y = u3a_malloc(a + 1);
u3r_bytes(0, a, fat_y, b);
{
c3_y dig_y[64];
#if defined(U3_OS_osx)
CC_SHA512_CTX ctx_h;
CC_SHA512_Init(&ctx_h);
CC_SHA512_Update(&ctx_h, fat_y, a);
CC_SHA512_Final(dig_y, &ctx_h);
#else
SHA512_CTX ctx_h;
SHA512_Init(&ctx_h);
SHA512_Update(&ctx_h, fat_y, a);
SHA512_Final(dig_y, &ctx_h);
#endif
u3a_free(fat_y);
return u3i_bytes(64, dig_y);
}
}
static void
md_init(int type, void *ctxp)
{
switch (type) {
case MD_TYPE_MD5: CC_MD5_Init(ctxp); break;
case MD_TYPE_SHA1: CC_SHA1_Init(ctxp); break;
case MD_TYPE_SHA256: CC_SHA256_Init(ctxp); break;
case MD_TYPE_SHA384: CC_SHA384_Init(ctxp); break;
case MD_TYPE_SHA512: CC_SHA512_Init(ctxp); break;
default: break;
}
}
Crypto::Digest Crypto::DigestOpen(DigestAlgo algo) {
auto d = new CCDigest(size_t(algo.get()));
switch(d->algo) {
case CCDigestAlgo::MD5: d->v=calloc(sizeof(CC_MD5_CTX), 1); CC_MD5_Init (static_cast<CC_MD5_CTX*> (d->v)); break;
case CCDigestAlgo::SHA1: d->v=calloc(sizeof(CC_SHA1_CTX), 1); CC_SHA1_Init (static_cast<CC_SHA1_CTX*> (d->v)); break;
case CCDigestAlgo::SHA256: d->v=calloc(sizeof(CC_SHA256_CTX),1); CC_SHA256_Init(static_cast<CC_SHA256_CTX*>(d->v)); break;
case CCDigestAlgo::SHA384: d->v=calloc(sizeof(CC_SHA512_CTX),1); CC_SHA384_Init(static_cast<CC_SHA512_CTX*>(d->v)); break;
case CCDigestAlgo::SHA512: d->v=calloc(sizeof(CC_SHA512_CTX),1); CC_SHA512_Init(static_cast<CC_SHA512_CTX*>(d->v)); break;
default: d->v=0; break;
}
return d;
}
hasher512::hasher512()
{
#ifdef TORRENT_USE_LIBGCRYPT
gcry_md_open(&m_context, GCRY_MD_SHA512, 0);
#elif TORRENT_USE_COMMONCRYPTO
CC_SHA512_Init(&m_context);
#elif TORRENT_USE_CRYPTOAPI_SHA_512
#elif defined TORRENT_USE_LIBCRYPTO
SHA512_Init(&m_context);
#else
SHA512_init(&m_context);
#endif
}
extern "C" int32_t AppleCryptoNative_DigestFinal(DigestCtx* ctx, uint8_t* pOutput, int32_t cbOutput)
{
if (ctx == nullptr || pOutput == nullptr || cbOutput < ctx->cbDigest)
return -1;
int32_t ret = 0;
switch (ctx->algorithm)
{
case PAL_MD5:
ret = CC_MD5_Final(pOutput, &ctx->d.md5);
break;
case PAL_SHA1:
ret = CC_SHA1_Final(pOutput, &ctx->d.sha1);
break;
case PAL_SHA256:
ret = CC_SHA256_Final(pOutput, &ctx->d.sha256);
break;
case PAL_SHA384:
ret = CC_SHA384_Final(pOutput, &ctx->d.sha384);
break;
case PAL_SHA512:
ret = CC_SHA512_Final(pOutput, &ctx->d.sha512);
break;
default:
ret = -1;
break;
}
if (ret != 1)
{
return ret;
}
switch (ctx->algorithm)
{
case PAL_MD5:
return CC_MD5_Init(&ctx->d.md5);
case PAL_SHA1:
return CC_SHA1_Init(&ctx->d.sha1);
case PAL_SHA256:
return CC_SHA256_Init(&ctx->d.sha256);
case PAL_SHA384:
return CC_SHA384_Init(&ctx->d.sha384);
case PAL_SHA512:
return CC_SHA512_Init(&ctx->d.sha512);
default:
assert(false);
return -2;
}
}
void ed25519_sign(unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *public_key, const unsigned char *private_key) {
CC_SHA512_CTX hash;
unsigned char hram[64];
unsigned char r[64];
ge_p3 R;
CC_SHA512_Init(&hash);
CC_SHA512_Update(&hash, private_key + 32, 32);
CC_SHA512_Update_Long(&hash, message, message_len);
CC_SHA512_Final(r, &hash);
sc_reduce(r);
ge_scalarmult_base(&R, r);
ge_p3_tobytes(signature, &R);
CC_SHA512_Init(&hash);
CC_SHA512_Update(&hash, signature, 32);
CC_SHA512_Update(&hash, public_key, 32);
CC_SHA512_Update_Long(&hash, message, message_len);
CC_SHA512_Final(hram, &hash);
sc_reduce(hram);
sc_muladd(signature + 32, hram, private_key, r);
}
int main (int argc, const char * argv[])
{
unsigned char buf[1024*4];
unsigned char digest[512/8];
size_t bytesRead;
CC_SHA512_CTX ctx;
CC_SHA512_Init(&ctx);
while((bytesRead = fread(buf, 1, sizeof(buf), stdin)) > 0)
CC_SHA512_Update(&ctx, buf, bytesRead);
CC_SHA512_Final(digest, &ctx);
hexdump(digest, sizeof(digest));
return 0;
}
static void _wi_sha2_ctx_init(wi_sha2_bits_t bits, _wi_sha2_ctx_t *ctx) {
ctx->bits = bits;
#ifdef WI_SHA2_OPENSSL
switch(ctx->bits) {
case WI_SHA2_224:
SHA224_Init(&ctx->openssl_256_ctx);
break;
case WI_SHA2_256:
SHA256_Init(&ctx->openssl_256_ctx);
break;
case WI_SHA2_384:
SHA384_Init(&ctx->openssl_512_ctx);
break;
case WI_SHA2_512:
SHA512_Init(&ctx->openssl_512_ctx);
break;
}
#endif
#ifdef WI_SHA2_COMMONCRYPTO
switch(ctx->bits) {
case WI_SHA2_224:
CC_SHA224_Init(&ctx->commondigest_256_ctx);
break;
case WI_SHA2_256:
CC_SHA256_Init(&ctx->commondigest_256_ctx);
break;
case WI_SHA2_384:
CC_SHA384_Init(&ctx->commondigest_512_ctx);
break;
case WI_SHA2_512:
CC_SHA512_Init(&ctx->commondigest_512_ctx);
break;
}
#endif
}
extern "C" DigestCtx* AppleCryptoNative_DigestCreate(PAL_HashAlgorithm algorithm, int32_t* pcbDigest)
{
if (pcbDigest == nullptr)
return nullptr;
DigestCtx* digestCtx = reinterpret_cast<DigestCtx*>(malloc(sizeof(DigestCtx)));
if (digestCtx == nullptr)
return nullptr;
digestCtx->algorithm = algorithm;
switch (algorithm)
{
case PAL_MD5:
*pcbDigest = CC_MD5_DIGEST_LENGTH;
CC_MD5_Init(&digestCtx->d.md5);
break;
case PAL_SHA1:
*pcbDigest = CC_SHA1_DIGEST_LENGTH;
CC_SHA1_Init(&digestCtx->d.sha1);
break;
case PAL_SHA256:
*pcbDigest = CC_SHA256_DIGEST_LENGTH;
CC_SHA256_Init(&digestCtx->d.sha256);
break;
case PAL_SHA384:
*pcbDigest = CC_SHA384_DIGEST_LENGTH;
CC_SHA384_Init(&digestCtx->d.sha384);
break;
case PAL_SHA512:
*pcbDigest = CC_SHA512_DIGEST_LENGTH;
CC_SHA512_Init(&digestCtx->d.sha512);
break;
default:
*pcbDigest = -1;
free(digestCtx);
return nullptr;
}
digestCtx->cbDigest = *pcbDigest;
return digestCtx;
}
hasher512::hasher512()
{
#ifdef TORRENT_USE_LIBGCRYPT
gcry_md_open(&m_context, GCRY_MD_SHA512, 0);
#elif TORRENT_USE_COMMONCRYPTO
CC_SHA512_Init(&m_context);
#elif TORRENT_USE_CRYPTOAPI
if (CryptCreateHash(get_crypt_provider(), CALG_SHA_512, 0, 0, &m_context) == false)
{
#ifndef BOOST_NO_EXCEPTIONS
throw system_error(error_code(GetLastError(), system_category()));
#else
std::terminate();
#endif
}
#elif defined TORRENT_USE_LIBCRYPTO
SHA512_Init(&m_context);
#else
SHA512_init(&m_context);
#endif
}
std::unique_ptr<CryptoDigest> CryptoDigest::create(CryptoAlgorithmIdentifier algorithm)
{
std::unique_ptr<CryptoDigest> digest(new CryptoDigest);
digest->m_context->algorithm = algorithm;
switch (algorithm) {
case CryptoAlgorithmIdentifier::SHA_1: {
CC_SHA1_CTX* context = new CC_SHA1_CTX;
digest->m_context->ccContext = context;
CC_SHA1_Init(context);
return digest;
}
case CryptoAlgorithmIdentifier::SHA_224: {
CC_SHA256_CTX* context = new CC_SHA256_CTX;
digest->m_context->ccContext = context;
CC_SHA224_Init(context);
return digest;
}
case CryptoAlgorithmIdentifier::SHA_256: {
CC_SHA256_CTX* context = new CC_SHA256_CTX;
digest->m_context->ccContext = context;
CC_SHA256_Init(context);
return digest;
}
case CryptoAlgorithmIdentifier::SHA_384: {
CC_SHA512_CTX* context = new CC_SHA512_CTX;
digest->m_context->ccContext = context;
CC_SHA384_Init(context);
return digest;
}
case CryptoAlgorithmIdentifier::SHA_512: {
CC_SHA512_CTX* context = new CC_SHA512_CTX;
digest->m_context->ccContext = context;
CC_SHA512_Init(context);
return digest;
}
default:
return nullptr;
}
}
void *
SecCmsUtilGetHashObjByAlgID(SECAlgorithmID *algid)
{
SECOidData *oidData = SECOID_FindOID(&(algid->algorithm));
if (oidData)
{
void *digobj = NULL;
switch (oidData->offset) {
case SEC_OID_SHA1:
digobj = calloc(1, sizeof(CC_SHA1_CTX));
CC_SHA1_Init(digobj);
break;
case SEC_OID_MD5:
digobj = calloc(1, sizeof(CC_MD5_CTX));
CC_MD5_Init(digobj);
break;
case SEC_OID_SHA224:
digobj = calloc(1, sizeof(CC_SHA256_CTX));
CC_SHA224_Init(digobj);
break;
case SEC_OID_SHA256:
digobj = calloc(1, sizeof(CC_SHA256_CTX));
CC_SHA256_Init(digobj);
break;
case SEC_OID_SHA384:
digobj = calloc(1, sizeof(CC_SHA512_CTX));
CC_SHA384_Init(digobj);
break;
case SEC_OID_SHA512:
digobj = calloc(1, sizeof(CC_SHA512_CTX));
CC_SHA512_Init(digobj);
break;
default:
break;
}
return digobj;
}
return 0;
}
ssize_t /* O - Size of hash or -1 on error */
cupsHashData(const char *algorithm, /* I - Algorithm name */
const void *data, /* I - Data to hash */
size_t datalen, /* I - Length of data to hash */
unsigned char *hash, /* I - Hash buffer */
size_t hashsize) /* I - Size of hash buffer */
{
if (!algorithm || !data || datalen == 0 || !hash || hashsize == 0)
{
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad arguments to function"), 1);
return (-1);
}
#ifdef __APPLE__
if (!strcmp(algorithm, "sha"))
{
/*
* SHA-1...
*/
CC_SHA1_CTX ctx; /* SHA-1 context */
if (hashsize < CC_SHA1_DIGEST_LENGTH)
goto too_small;
CC_SHA1_Init(&ctx);
CC_SHA1_Update(&ctx, data, (CC_LONG)datalen);
CC_SHA1_Final(hash, &ctx);
return (CC_SHA1_DIGEST_LENGTH);
}
else if (!strcmp(algorithm, "sha2-224"))
{
CC_SHA256_CTX ctx; /* SHA-224 context */
if (hashsize < CC_SHA224_DIGEST_LENGTH)
goto too_small;
CC_SHA224_Init(&ctx);
CC_SHA224_Update(&ctx, data, (CC_LONG)datalen);
CC_SHA224_Final(hash, &ctx);
return (CC_SHA224_DIGEST_LENGTH);
}
else if (!strcmp(algorithm, "sha2-256"))
{
CC_SHA256_CTX ctx; /* SHA-256 context */
if (hashsize < CC_SHA256_DIGEST_LENGTH)
goto too_small;
CC_SHA256_Init(&ctx);
CC_SHA256_Update(&ctx, data, (CC_LONG)datalen);
CC_SHA256_Final(hash, &ctx);
return (CC_SHA256_DIGEST_LENGTH);
}
else if (!strcmp(algorithm, "sha2-384"))
{
CC_SHA512_CTX ctx; /* SHA-384 context */
if (hashsize < CC_SHA384_DIGEST_LENGTH)
goto too_small;
CC_SHA384_Init(&ctx);
CC_SHA384_Update(&ctx, data, (CC_LONG)datalen);
CC_SHA384_Final(hash, &ctx);
return (CC_SHA384_DIGEST_LENGTH);
}
else if (!strcmp(algorithm, "sha2-512"))
{
CC_SHA512_CTX ctx; /* SHA-512 context */
if (hashsize < CC_SHA512_DIGEST_LENGTH)
goto too_small;
CC_SHA512_Init(&ctx);
CC_SHA512_Update(&ctx, data, (CC_LONG)datalen);
CC_SHA512_Final(hash, &ctx);
return (CC_SHA512_DIGEST_LENGTH);
}
else if (!strcmp(algorithm, "sha2-512_224"))
{
CC_SHA512_CTX ctx; /* SHA-512 context */
unsigned char temp[CC_SHA512_DIGEST_LENGTH];
/* SHA-512 hash */
/*
* SHA2-512 truncated to 224 bits (28 bytes)...
*/
if (hashsize < CC_SHA224_DIGEST_LENGTH)
goto too_small;
CC_SHA512_Init(&ctx);
CC_SHA512_Update(&ctx, data, (CC_LONG)datalen);
CC_SHA512_Final(temp, &ctx);
memcpy(hash, temp, CC_SHA224_DIGEST_LENGTH);
return (CC_SHA224_DIGEST_LENGTH);
}
else if (!strcmp(algorithm, "sha2-512_256"))
{
CC_SHA512_CTX ctx; /* SHA-512 context */
unsigned char temp[CC_SHA512_DIGEST_LENGTH];
/* SHA-512 hash */
/*
* SHA2-512 truncated to 256 bits (32 bytes)...
*/
if (hashsize < CC_SHA256_DIGEST_LENGTH)
goto too_small;
CC_SHA512_Init(&ctx);
CC_SHA512_Update(&ctx, data, (CC_LONG)datalen);
CC_SHA512_Final(temp, &ctx);
memcpy(hash, temp, CC_SHA256_DIGEST_LENGTH);
return (CC_SHA256_DIGEST_LENGTH);
}
#elif defined(HAVE_GNUTLS)
gnutls_digest_algorithm_t alg = GNUTLS_DIG_UNKNOWN;
/* Algorithm */
unsigned char temp[64]; /* Temporary hash buffer */
size_t tempsize = 0; /* Truncate to this size? */
if (!strcmp(algorithm, "sha"))
alg = GNUTLS_DIG_SHA1;
else if (!strcmp(algorithm, "sha2-224"))
alg = GNUTLS_DIG_SHA224;
else if (!strcmp(algorithm, "sha2-256"))
alg = GNUTLS_DIG_SHA256;
else if (!strcmp(algorithm, "sha2-384"))
alg = GNUTLS_DIG_SHA384;
else if (!strcmp(algorithm, "sha2-512"))
alg = GNUTLS_DIG_SHA512;
else if (!strcmp(algorithm, "sha2-512_224"))
{
alg = GNUTLS_DIG_SHA512;
tempsize = 28;
}
else if (!strcmp(algorithm, "sha2-512_256"))
{
alg = GNUTLS_DIG_SHA512;
tempsize = 32;
}
if (alg != GNUTLS_DIG_UNKNOWN)
{
if (tempsize > 0)
{
/*
* Truncate result to tempsize bytes...
*/
if (hashsize < tempsize)
goto too_small;
gnutls_hash_fast(alg, data, datalen, temp);
memcpy(hash, temp, tempsize);
return ((ssize_t)tempsize);
}
if (hashsize < gnutls_hash_get_len(alg))
goto too_small;
gnutls_hash_fast(alg, data, datalen, hash);
return (gnutls_hash_get_len(alg));
}
#else
/*
* No hash support without CommonCrypto or GNU TLS...
*/
if (hashsize < 64)
goto too_small;
#endif /* __APPLE__ */
/*
* Unknown hash algorithm...
*/
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unknown hash algorithm."), 1);
return (-1);
/*
* We get here if the buffer is too small.
*/
too_small:
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Hash buffer too small."), 1);
return (-1);
}
static int
__archive_libsystem_sha512init(archive_sha512_ctx *ctx)
{
CC_SHA512_Init(ctx);
return (ARCHIVE_OK);
}
/***
*** SHA512
***/
void SHA512Object::digestInit()
{
mIsDone = false;
CC_SHA512_Init(&mCtx);
}
CFStringRef FileSHA512HashCreateWithPath(CFStringRef filePath,
size_t chunkSizeForReadingData) {
// Declare needed variables
CFStringRef result = NULL;
CFReadStreamRef readStream = NULL;
// Get the file URL
CFURLRef fileURL =
CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
(CFStringRef)filePath,
kCFURLPOSIXPathStyle,
(Boolean)false);
if (!fileURL) {
closeAndRelease(readStream, fileURL);
return result;
}
// Create and open the read stream
readStream = CFReadStreamCreateWithFile(kCFAllocatorDefault,
(CFURLRef)fileURL);
if (!readStream) {
closeAndRelease(readStream, fileURL);
return result;
}
bool didSucceed = (bool)CFReadStreamOpen(readStream);
if (!didSucceed) {
closeAndRelease(readStream, fileURL);
return result;
}
// Initialize the hash object
CC_SHA512_CTX hashObject;
CC_SHA512_Init(&hashObject);
// Make sure chunkSizeForReadingData is valid
if (!chunkSizeForReadingData) {
chunkSizeForReadingData = FileHashDefaultChunkSizeForReadingData;
}
// Feed the data to the hash object
bool hasMoreData = true;
while (hasMoreData) {
uint8_t buffer[chunkSizeForReadingData];
CFIndex readBytesCount = CFReadStreamRead(readStream,
(UInt8 *)buffer,
(CFIndex)sizeof(buffer));
if (readBytesCount == -1) break;
if (readBytesCount == 0) {
hasMoreData = false;
continue;
}
CC_SHA512_Update(&hashObject,
(const void *)buffer,
(CC_LONG)readBytesCount);
}
// Check if the read operation succeeded
didSucceed = !hasMoreData;
// Compute the hash digest
unsigned char digest[CC_SHA512_DIGEST_LENGTH];
CC_SHA512_Final(digest, &hashObject);
// Abort if the read operation failed
if (!didSucceed) {
closeAndRelease(readStream, fileURL);
return result;
}
// Compute the string result
char hash[2 * sizeof(digest) + 1];
for (size_t i = 0; i < sizeof(digest); ++i) {
snprintf(hash + (2 * i), 3, "%02x", (int)(digest[i]));
}
result = CFStringCreateWithCString(kCFAllocatorDefault,
(const char *)hash,
kCFStringEncodingUTF8);
closeAndRelease(readStream, fileURL);
return result;
}
SHA512Digest::SHA512Digest() : Digest(kSecDigestSHA2, CC_SHA512_DIGEST_LENGTH)
{
CC_SHA512_Init(&mContext);
}
C4Err HASH_Init(HASH_Algorithm algorithm, HASH_ContextRef * ctx)
{
int err = kC4Err_NoErr;
HASH_Context* hashCTX = NULL;
const struct ltc_hash_descriptor* desc = NULL;
ValidateParam(ctx);
*ctx = NULL;
hashCTX = XMALLOC(sizeof (HASH_Context)); CKNULL(hashCTX);
hashCTX->magic = kHASH_ContextMagic;
hashCTX->algor = algorithm;
#if _USES_COMMON_CRYPTO_
switch(algorithm)
{
case kHASH_Algorithm_MD5:
hashCTX->ccAlgor = kCCHmacAlgMD5;
hashCTX->process = (void*) sCCHashUpdateMD5;
hashCTX->done = (void*) sCCHashFinalMD5;
hashCTX->hashsize = 16;
CC_MD5_Init(&hashCTX->state.ccMD5_state);
break;
case kHASH_Algorithm_SHA1:
hashCTX->ccAlgor = kCCHmacAlgSHA1;
hashCTX->hashsize = 20;
hashCTX->process = (void*) sCCHashUpdateSHA1;
hashCTX->done = (void*) sCCHashFinalSHA1;;
CC_SHA1_Init(&hashCTX->state.ccSHA1_state);
break;
case kHASH_Algorithm_SHA224:
hashCTX->ccAlgor = kCCHmacAlgSHA224;
hashCTX->hashsize = 28;
hashCTX->process = (void*) sCCHashUpdateSHA224;
hashCTX->done = (void*) sCCHashFinalSHA224;
CC_SHA224_Init(&hashCTX->state.ccSHA256_state);
break;
case kHASH_Algorithm_SHA256:
hashCTX->ccAlgor = kCCHmacAlgSHA256;
hashCTX->hashsize = 32;
hashCTX->process = (void*) sCCHashUpdateSHA256;
hashCTX->done = (void*) sCCHashFinalSHA256;;
CC_SHA256_Init(&hashCTX->state.ccSHA256_state);
break;
case kHASH_Algorithm_SHA384:
hashCTX->ccAlgor = kCCHmacAlgSHA384;
hashCTX->hashsize = 48;
hashCTX->process = (void*) sCCHashUpdateSHA384;
hashCTX->done = (void*) sCCHashFinalSHA384;
CC_SHA384_Init(&hashCTX->state.ccSHA512_state);
break;
case kHASH_Algorithm_SHA512:
hashCTX->ccAlgor = kCCHmacAlgSHA512;
hashCTX->hashsize = 64;
hashCTX->process = (void*) sCCHashUpdateSHA512;
hashCTX->done = (void*) sCCHashFinalSHA512;
CC_SHA512_Init(&hashCTX->state.ccSHA512_state);
break;
default:
hashCTX->ccAlgor = kCCHmacAlgInvalid;
break;
}
if(hashCTX->ccAlgor == kCCHmacAlgInvalid)
{
desc = sDescriptorForHash(algorithm);
hashCTX->hashsize = desc->hashsize;
hashCTX->process = (void*) desc->process;
hashCTX->done = (void*) desc->done;
if(IsNull(desc))
RETERR( kC4Err_BadHashNumber);
if(desc->init)
err = (desc->init)(&hashCTX->state.tc_state);
CKERR;
}
#else
desc = sDescriptorForHash(algorithm);
hashCTX->hashsize = desc->hashsize;
hashCTX->process = (void*) desc->process;
hashCTX->done = (void*) desc->done;
if(IsNull(desc))
RETERR( kC4Err_BadHashNumber);
if(desc->init)
err = (desc->init)(&hashCTX->state.tc_state);
CKERR;
#endif
*ctx = hashCTX;
done:
if(IsC4Err(err))
{
if(IsntNull(hashCTX))
{
XFREE(hashCTX);
}
}
return err;
}