4 ms·
Although it's not that much if you're using a long hash, iterating a hash function causes you to lose entropy. The implementation in the article is basically PB
by pmylund 14y ago
Although it's not that much if you're using a long hash, iterating a hash function causes you to lose entropy. The implementation in the article is basically PBKDF (1). PBKDF2/HMAC avoids this by making an "outer" and "inner" layer.