mirror of
https://github.com/ddnet/ddnet.git
synced 2024-09-21 01:54:19 +00:00
42 lines
799 B
C
42 lines
799 B
C
|
#include "hash.h"
|
||
|
#include "hash_ctxt.h"
|
||
|
|
||
|
#include "system.h"
|
||
|
|
||
|
SHA256_DIGEST sha256(const void *message, size_t message_len)
|
||
|
{
|
||
|
SHA256_CTX ctxt;
|
||
|
sha256_init(&ctxt);
|
||
|
sha256_update(&ctxt, message, message_len);
|
||
|
return sha256_finish(&ctxt);
|
||
|
}
|
||
|
|
||
|
void sha256_str(SHA256_DIGEST digest, char *str, size_t max_len)
|
||
|
{
|
||
|
unsigned i;
|
||
|
if(max_len > SHA256_MAXSTRSIZE)
|
||
|
{
|
||
|
max_len = SHA256_MAXSTRSIZE;
|
||
|
}
|
||
|
str[max_len - 1] = 0;
|
||
|
max_len -= 1;
|
||
|
for(i = 0; i < max_len; i++)
|
||
|
{
|
||
|
static const char HEX[] = "0123456789abcdef";
|
||
|
int index = i / 2;
|
||
|
if(i % 2 == 0)
|
||
|
{
|
||
|
str[i] = HEX[digest.data[index] >> 4];
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
str[i] = HEX[digest.data[index] & 0xf];
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
int sha256_comp(SHA256_DIGEST digest1, SHA256_DIGEST digest2)
|
||
|
{
|
||
|
return mem_comp(digest1.data, digest2.data, sizeof(digest1.data));
|
||
|
}
|