SAFER

From CryptoDox, The Online Encyclopedia on Cryptography and Information Security

SAFER (Secure And Fast Encryption Routine) is the name of a family of block ciphers designed primarily by James Massey (one of the designers of IDEA) on behalf of Cylink Corporation. The early SAFER K and SAFER SK designs share the same encryption function, but differ in the number of rounds and the key schedule. More recent versions — SAFER+^[1] and SAFER++ — were submitted as candidates to the AES process and the NESSIE project respectively. All of the algorithms in the SAFER family are unpatented and available for unrestricted use.

SAFER was intended to be implemented with a key of length 64 bits and it was accordingly named SAFER K-64^[2]. Another version of SAFER was designed that could handle 128-bit keys and was named SAFER K-128.

Software

Software implementations of SAFER are available at the following location:

• Funet Archives

References

1. ↑ AES SAFER
2. ↑ What are some other block ciphers?