Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-10-17 07:15:46 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Change Sha1_hash to a simple XOR hash for building key handles for token

Browse Source 
objects.
This commit is contained in:
relyea%netscape.com 2002-01-25 19:09:34 +00:00
parent e760d6d971
commit cfab32ea30
1 changed files with 14 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
security/nss/lib/softoken/pkcs11u.c
View File

@ -2469,19 +2469,31 @@ pk11_FreeSession(PK11Session *session)
/*
* handle Token Object stuff
*/
static void
pk11_XORHash(unsigned char *key, unsigned char *dbkey, int len)
{
int i;
for (i=0; i < len-4; i += 4) {
key[0] ^= dbkey[i];
key[1] ^= dbkey[i+1];
key[2] ^= dbkey[i+2];
key[3] ^= dbkey[i+3];
}
}
/* Make a token handle for an object and record it so we can find it again */
CK_OBJECT_HANDLE
pk11_mkHandle(PK11Slot *slot, SECItem *dbKey, CK_OBJECT_HANDLE class)
{
unsigned char hashBuf[SHA1_LENGTH];
unsigned char hashBuf[4];
CK_OBJECT_HANDLE handle;
SECItem *key;
handle = class;
/* there is only one KRL, use a fixed handle for it */
if (handle != PK11_TOKEN_KRL_HANDLE) {
SHA1_HashBuf(hashBuf,dbKey->data,dbKey->len);
pk11_XORHash(hashBuf,dbKey->data,dbKey->len);
handle = (hashBuf[0] << 24) | (hashBuf[1] << 16) |
(hashBuf[2] << 8) | hashBuf[3];
handle = PK11_TOKEN_MAGIC | class |