static void crypt_all(int count)
{
SHA256_CTX ctx;
SHA224_Init( &ctx );
SHA224_Update( &ctx, ipad, BLOCK_SIZE );
SHA224_Update( &ctx, cursalt, strlen( (char*) cursalt) );
SHA224_Final( (unsigned char*) crypt_key, &ctx);
SHA224_Init( &ctx );
SHA224_Update( &ctx, opad, BLOCK_SIZE );
SHA224_Update( &ctx, crypt_key, BINARY_SIZE);
SHA224_Final( (unsigned char*) crypt_key, &ctx);
}
/**
* Calculate message digest. SHA context will be invalid after this call.
* For calculating an other digest you must create new SHA1Digest class.
*
* @return returns the calculated digest.
* @throws IOException throws exception if update failed.
*/
std::vector<unsigned char> digidoc::Digest::getDigest() throw(IOException)
{
// If digest is already calculated return it.
if(!d->digest.empty())
return d->digest;
int result = 1;
unsigned char *buf = new unsigned char[getSize()];
switch(d->method)
{
case NID_sha1: result = SHA1_Final(buf, &d->sha1); break;
case NID_sha224: result = SHA224_Final(buf, &d->sha256); break;
case NID_sha256: result = SHA256_Final(buf, &d->sha256); break;
case NID_sha384: result = SHA384_Final(buf, &d->sha512); break;
case NID_sha512: result = SHA512_Final(buf, &d->sha512); break;
default:
break;
}
if(result != 1)
{
delete[] buf;
THROW_IOEXCEPTION("Failed to create %s digest: %s", getName().c_str(), ERR_reason_error_string(ERR_get_error()));
}
for(unsigned int i = 0; i < getSize(); i++)
d->digest.push_back(buf[i]);
delete[] buf;
return d->digest;
}
void SHA224_Simple(const void *p, int len, unsigned char *output) {
SHA256_State s;
SHA224_Init(&s);
SHA224_Bytes(&s, p, len);
SHA224_Final(&s, output);
}
static void
int_sha224_finish(PX_MD *h, uint8 *dst)
{
SHA224_CTX *ctx = (SHA224_CTX *) h->p.ptr;
SHA224_Final(dst, ctx);
}
uint8_t *SHA224(const uint8_t *data, size_t len, uint8_t *out) {
SHA256_CTX ctx;
SHA224_Init(&ctx);
SHA224_Update(&ctx, data, len);
SHA224_Final(out, &ctx);
OPENSSL_cleanse(&ctx, sizeof(ctx));
return out;
}
static unsigned
sha224_finish(__ops_hash_t *hash, uint8_t *out)
{
SHA224_Final(out, hash->data);
if (__ops_get_debug_level(__FILE__)) {
hexdump(stderr, "sha224_finish", out, SHA224_DIGEST_LENGTH);
}
free(hash->data);
hash->data = NULL;
return SHA224_DIGEST_LENGTH;
}
static int hash_final( SRP_HashAlgorithm alg, HashCTX *c, unsigned char *md )
{
switch (alg)
{
case SRP_SHA1 : return SHA1_Final( md, &c->sha );
case SRP_SHA224: return SHA224_Final( md, &c->sha256 );
case SRP_SHA256: return SHA256_Final( md, &c->sha256 );
case SRP_SHA384: return SHA384_Final( md, &c->sha512 );
case SRP_SHA512: return SHA512_Final( md, &c->sha512 );
default:
return -1;
}
}
static unsigned sha224_finish(ops_hash_t *hash,unsigned char *out)
{
SHA224_Final(out,hash->data);
if (debug)
{
unsigned i=0;
fprintf(stderr,"***\n***\nsha1_finish\n***\n");
for (i=0; i<SHA224_DIGEST_LENGTH; i++)
fprintf(stderr,"0x%02x ",out[i]);
fprintf(stderr,"\n");
}
free(hash->data);
hash->data=NULL;
return SHA224_DIGEST_LENGTH;
}
/*
md must have hashSize byte
@note clear inner buffer after calling digest
*/
void digest(char *out, const char *buf, size_t bufSize)
{
update(buf, bufSize);
unsigned char *md = reinterpret_cast<unsigned char*>(out);
switch (name_) {
case N_SHA1: SHA1_Final(md, &ctx_.sha1); break;
case N_SHA224: SHA224_Final(md, &ctx_.sha256); break;
case N_SHA256: SHA256_Final(md, &ctx_.sha256); break;
case N_SHA384: SHA384_Final(md, &ctx_.sha512); break;
case N_SHA512: SHA512_Final(md, &ctx_.sha512); break;
default:
throw cybozu::Exception("crypto:Hash:digest") << name_;
}
reset();
}
/** Compute the SHA-224 or SHA-256 message digest of a file.
* @param path file path of file to compute SHA2 digest of
* @param output string to hold computed SHA2 digest
* @param is224 use SHA-224 instead of SHA-256
* @return 0 on success, 1 on file open error, 2 on file read error
*/
static int sha2_file(const char *path, unsigned char output[32], int is224)
{
SHA256_CTX ctx;
unsigned char *buf;
ssize_t n;
int fd;
MALLOC(buf, (size_t)ALPM_BUFFER_SIZE, return 1);
OPEN(fd, path, O_RDONLY);
if(fd < 0) {
free(buf);
return 1;
}
if(is224) {
SHA224_Init(&ctx);
} else {
SHA256_Init(&ctx);
}
while((n = read(fd, buf, ALPM_BUFFER_SIZE)) > 0 || errno == EINTR) {
if(n < 0) {
continue;
}
if(is224) {
SHA224_Update(&ctx, buf, n);
} else {
SHA256_Update(&ctx, buf, n);
}
}
CLOSE(fd);
free(buf);
if(n < 0) {
return 2;
}
if(is224) {
SHA224_Final(output, &ctx);
} else {
SHA256_Final(output, &ctx);
}
return 0;
}
std::vector<unsigned char> bdoc::SHA224Digest::getDigest()
{
if (!digest.empty()) {
return digest;
}
unsigned char buf[SHA224_DIGEST_LENGTH];
if (SHA224_Final(buf, &ctx) != 1) {
THROW_STACK_EXCEPTION("Failed to create SHA224 digest: %s", ERR_reason_error_string(ERR_get_error()));
}
for (unsigned int i = 0; i < SHA224_DIGEST_LENGTH; i++) {
digest.push_back(buf[i]);
}
return digest;
}
core::data sha2::digest224(core::data const& da)
{
core::data tmp = da.shadow();
SHA256_CTX ctx;
SHA224_Init(&ctx);
while (tmp.length())
{
SHA224_Update(&ctx, tmp.bytes(), tmp.limit(SHA224_DIGEST_LENGTH));
tmp.offset(tmp.limit(SHA224_DIGEST_LENGTH));
}
core::data ret(SHA224_DIGEST_LENGTH);
SHA224_Final((byte*)ret.bytes(), &ctx);
return ret;
}
ikptr
ikrt_openssl_sha224_final (ikptr s_ctx, ikpcb * pcb)
{
#ifdef HAVE_SHA224_FINAL
ikptr s_pointer = IK_SHA224_CTX_POINTER(s_ctx);
SHA224_CTX * ctx = IK_POINTER_DATA_VOIDP(s_pointer);
unsigned char sum[SHA224_DIGEST_LENGTH];
int rv = 0;
if (ctx) {
rv = SHA224_Final(sum, ctx);
free(ctx);
IK_POINTER_SET_NULL(s_pointer);
}
return (rv)? ika_bytevector_from_memory_block(pcb, sum, SHA224_DIGEST_LENGTH) : IK_FALSE;
#else
feature_failure(__func__);
#endif
}
static void SHA224_File(FILE *file, unsigned char **output, int *outlength)
{
*output = new unsigned char[SHA224_DIGEST_LENGTH];
*outlength = SHA224_DIGEST_LENGTH;
SHA256_CTX c;
int i;
unsigned char buf[SHA224_FILE_BUFFER_SIZE];
SHA224_Init(&c);
for (;;)
{
i = fread(buf,1,SHA224_FILE_BUFFER_SIZE,file);
if(i <= 0)
break;
SHA224_Update(&c,buf,(unsigned long)i);
}
SHA224_Final(*output, &c);
}
int main(int argc, char** argv) {
size_t dataSize = 10;
unsigned char data[dataSize];
memset(data, 0, dataSize);
// Store key.
size_t mdSize = SHA256_DIGEST_LENGTH;
unsigned char md[mdSize];
SHA256_CTX c;
SHA224_Init(&c);
SHA224_Update(&c, data, dataSize);
SHA224_Final(md, &c);
printBlock(md, mdSize);
printf("\n");
return 0;
}
static void _wi_sha2_ctx_final(unsigned char *buffer, _wi_sha2_ctx_t *ctx) {
#ifdef WI_SHA2_OPENSSL
switch(ctx->bits) {
case WI_SHA2_224:
SHA224_Final(buffer, &ctx->openssl_256_ctx);
break;
case WI_SHA2_256:
SHA256_Final(buffer, &ctx->openssl_256_ctx);
break;
case WI_SHA2_384:
SHA384_Final(buffer, &ctx->openssl_512_ctx);
break;
case WI_SHA2_512:
SHA512_Final(buffer, &ctx->openssl_512_ctx);
break;
}
#endif
#ifdef WI_SHA2_COMMONCRYPTO
switch(ctx->bits) {
case WI_SHA2_224:
CC_SHA224_Final(buffer, &ctx->commondigest_256_ctx);
break;
case WI_SHA2_256:
CC_SHA256_Final(buffer, &ctx->commondigest_256_ctx);
break;
case WI_SHA2_384:
CC_SHA384_Final(buffer, &ctx->commondigest_512_ctx);
break;
case WI_SHA2_512:
CC_SHA512_Final(buffer, &ctx->commondigest_512_ctx);
break;
}
#endif
}
int main(void)
{
SHA256_CTX context;
unsigned char hash[SHA224_DIGEST_LENGTH];
BIO* bio_out;
char* data_to_hash = "The worthwhile problems are the ones you can"
"really solve or help solve, the ones you can"
"really contribute something to. ... No "
"problem is too small or too trivial if we "
"can really do something about it."
"- Richard Feynman";
int length = (int)strlen(data_to_hash);
int i = 0;
SHA224_Init(&context);
while (i < length)
{
if ((length - i) < DATA_LENGTH)
SHA224_Update(&context, (void*)(data_to_hash + i), length - i);
else
SHA224_Update(&context, (void*)(data_to_hash + i), DATA_LENGTH);
i += DATA_LENGTH;
}
SHA224_Final(hash, &context);
bio_out = BIO_new_fp(stdout, BIO_NOCLOSE);
for (i = 0; i < SHA224_DIGEST_LENGTH; i++)
BIO_printf(bio_out, "%02x", (unsigned char*)hash[i]);
return 0;
}
inline bool hashfile(const char* filename, char* buffer){
FILE *inFile = fopen(filename, "rb");
SHA256_CTX context;
int bytes;
unsigned char data[FILE_BUFFER];
unsigned char digest[SHA224_DIGEST_LENGTH];
if (inFile == NULL) {
printf("%s can't be opened.\n", filename);
return false;
}
SHA224_Init (&context);
while ((bytes = fread (data, 1, FILE_BUFFER, inFile)) != 0)
SHA224_Update (&context, data, bytes);
SHA224_Final (digest,&context);
fclose (inFile);
digest_to_char(buffer, digest);
return true;
}
static void sha224_final(EVP_MD_CTX *ctx, uint8_t *md) {
CHECK(SHA224_Final(md, ctx->md_data));
}
