Secure Applications of Low-Entropy Keys

Published: Feb 27, 2000
Updated: Feb 27, 2000
Section: Network Security Library :: Cryptography
Author:
Company: Counterpane Internet Security, Inc.
Printable Version
Adjust font size:
Rating: 3/5 - 2 Votes

We introduce the notion of key stretching, a mechanism to convert short s-bit keys into longer keys, such that the complexity required to brute-force search a (s+t)-bit keyspace is the same as the time required to brute-force search a s-bit key stretched by t bits.

Click Here to download this article