unsigned char *blake512_file(unsigned char *out, FILE *fp) {
state512 context;
size_t ret = 0;
int errsv = 0;
unsigned char buf[8192], *digest = NULL;
blake512_init(&context);
for (;;) {
ret = fread(buf, 1, 8192, fp);
errsv = errno;
if ((ret != 8192) && ferror(fp)) {
errno = errsv;
return NULL;
}
blake512_update(&context, (const uint8_t *) buf, ret);
if (feof(fp))
break;
}
if (!out) {
if (!(digest = malloc(64)))
return NULL;
} else {
digest = out;
}
blake512_final(&context, (uint8_t *) digest);
return digest;
}
void blake512(void *dest, const void *msg, uint32_t length_b){
blake_large_ctx_t ctx;
blake512_init(&ctx);
while(length_b>=BLAKE_LARGE_BLOCKSIZE){
blake_large_nextBlock(&ctx, msg);
msg = (uint8_t*)msg + BLAKE_LARGE_BLOCKSIZE_B;
length_b -= BLAKE_LARGE_BLOCKSIZE;
}
blake_large_lastBlock(&ctx, msg, length_b);
blake512_ctx2hash(dest, &ctx);
}
/* BLAKE-512 Generic Interface */
unsigned char *blake512_buffer(
unsigned char *out,
const unsigned char *in,
size_t in_len)
{
state512 context;
unsigned char *digest = NULL;
blake512_init(&context);
if (!out) {
if (!(digest = malloc(64)))
return NULL;
} else {
digest = out;
}
blake512_update(&context, (const uint8_t *) in, in_len);
blake512_final(&context, (uint8_t *) digest);
return digest;
}
