scip/pcp
1
0
Fork 0
mirror of https://codeberg.org/scip/pcp.git synced 2025-12-17 03:50:57 +01:00
Code Issues Packages Projects Releases Wiki Activity

switched to sodium scrypt(), which should be more portable

Browse Source
This commit is contained in:
TLINDEN
2015-04-17 17:13:20 +02:00
parent 9237d8d1c1
commit 5cc0a5679f
11 changed files with 86 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
libpcp/scrypt.c
View File

@@ -23,25 +23,23 @@
#include "util.h"
byte* pcp_scrypt(PCPCTX *ptx, char *passwd, size_t passwdlen, byte *nonce, size_t noncelen) {
uint8_t *dk = smalloc(64); /* resulting hash */
byte *dk = smalloc(64);
byte *salt = malloc(crypto_pwhash_scryptsalsa208sha256_SALTBYTES);
crypto_generichash(salt, crypto_pwhash_scryptsalsa208sha256_SALTBYTES,
nonce, noncelen, NULL, 0);
/* constants */
uint64_t N = 1 << 14;
uint32_t r = 8;
uint32_t p = 1;
size_t buflen = 64;
int status = crypto_pwhash_scryptsalsa208sha256(dk, 64, passwd, passwdlen, salt,
crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_INTERACTIVE,
crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVE);
if (crypto_scrypt((byte *)passwd, passwdlen, (uint8_t *)nonce, noncelen, N, r, p, dk, buflen) == 0) {
_dump("nonce", nonce, noncelen);
_dump(" pass", (byte*)passwd, passwdlen);
_dump(" dk", dk, 64);
fprintf(stderr, "N: %ld, r: %d, p: %d\n", N, r, p);
ucfree(salt, crypto_pwhash_scryptsalsa208sha256_SALTBYTES);
if (status == 0) {
return dk;
}
else {
fatal(ptx, "crypto_scrypt() failed\n");
fatal(ptx, "crypto_pwhash_scryptsalsa208sha256() failed\n");
return NULL;
}
return NULL;
}