gvsafronov/futriix
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ACL: SHA256 based password hashing function implemented.

Browse Source
This commit is contained in:
antirez 2019-09-12 12:33:22 +02:00
parent ecf8dc6ff6
commit 036c83d8ec
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/acl.c
View File

@ -28,6 +28,7 @@
*/
#include "server.h"
#include "sha256.h"
#include <fcntl.h>
/* =============================================================================
@ -139,6 +140,25 @@ int time_independent_strcmp(char *a, char *b) {
return diff; /* If zero strings are the same. */
}
/* Given an SDS string, returns the SHA256 hex representation as a
* new SDS string. */
sds ACLHashPassword(sds cleartext) {
SHA256_CTX ctx;
unsigned char hash[SHA256_BLOCK_SIZE];
char hex[SHA256_BLOCK_SIZE*2];
char *cset = "0123456789abcdef";
sha256_init(&ctx);
sha256_update(&ctx,(unsigned char*)cleartext,sdslen(cleartext));
sha256_final(&ctx,hash);
for (int j = 0; j < SHA256_BLOCK_SIZE; j++) {
hex[j*2] = cset[((hash[j]&0xF0)>>4)];
hex[j*2+1] = cset[(hash[j]&0xF)];
}
return sdsnewlen(hex,SHA256_BLOCK_SIZE*2);
}
/* =============================================================================
* Low level ACL API
* ==========================================================================*/