*
*************************************************************************/
static void make_secret(uint8_t *digest, const uint8_t *vector,
- const char *secret, const uint8_t *value)
+ const char *secret, const uint8_t *value, size_t length)
{
FR_MD5_CTX context;
int i;
fr_MD5Update(&context, (const uint8_t *) secret, strlen(secret));
fr_MD5Final(digest, &context);
- for ( i = 0; i < AUTH_VECTOR_LEN; i++ ) {
+ for ( i = 0; i < length; i++ ) {
digest[i] ^= value[i];
}
}
#ifndef NDEBUG
if (data == array) return NULL;
#endif
- if (len != AUTH_VECTOR_LEN) return NULL;
- make_secret(ptr, packet->vector, secret, data);
- len = AUTH_VECTOR_LEN;
+ if (len > AUTH_VECTOR_LEN) len = AUTH_VECTOR_LEN;
+ make_secret(ptr, packet->vector, secret, data, len);
break;
goto raw;
} else {
uint8_t my_digest[AUTH_VECTOR_LEN];
+ size_t secret_len;
+
+ secret_len = length;
+ if (secret_len > AUTH_VECTOR_LEN) secret_len = AUTH_VECTOR_LEN;
+
make_secret(my_digest,
original->vector,
- secret, data);
+ secret, data, secret_len);
memcpy(vp->vp_strvalue, my_digest,
AUTH_VECTOR_LEN );
vp->vp_strvalue[AUTH_VECTOR_LEN] = '\0';