HAS-160

From Wikipedia, the free encyclopedia

HAS-160 is a cryptographic hash function designed for use with the Korean KCDSA digital signature algorithm. It derives from SHA-1, with assorted changes intended to increase its security. It produces a 160-bit output.

HAS-160 is used in the same way as SHA-1. First it pads the input and divides it in blocks of 512 bits each. A digest function updates the intermediate hash value by processing the input blocks in turn.

The message digest algorithm consists of 80 rounds.

[edit] External links

• A description of HAS-160, and some test vectors.

v • d • e   Cryptographic hash functions and Message authentication codes (MACs) Hash algorithms: Gost-Hash | HAS-160 | HAVAL | MDC-2 | MD2 | MD4 | MD5 | N-Hash | RadioGatún | RIPEMD | SHA family | Snefru | Tiger | WHIRLPOOL | crypt(3) DES MAC algorithms: DAA | CBC-MAC | HMAC | OMAC/CMAC | PMAC | UMAC | Poly1305-AES Authenticated encryption modes: CCM | CWC | EAX | GCM | OCB Attacks: Hash collision | Birthday attack | Preimage attack | Rainbow table | Brute force attack Misc: Avalanche effect | Hash collision | Merkle-Damgård construction   Standardization: CRYPTREC | NESSIE v • d • e   Cryptography History of cryptography | Cryptanalysis | Cryptography portal | Topics in cryptography Symmetric-key algorithm | Block cipher | Stream cipher | Public-key cryptography | Cryptographic hash function | Message authentication code | Random numbers | Steganography