MD2 (hash function)
Obsolete cryptographic hash function / From Wikipedia, the free encyclopedia
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The MD2 Message-Digest Algorithm is a cryptographic hash function developed by Ronald Rivest in 1989.[2] The algorithm is optimized for 8-bit computers. MD2 is specified in IETF RFC 1319.[3] The "MD" in MD2 stands for "Message Digest".
Quick Facts General, Designers ...
General | |
---|---|
Designers | Ronald Rivest |
First published | August 1989[1] |
Series | MD2, MD4, MD5, MD6 |
Detail | |
Digest sizes | 128 bits |
Rounds | 18 |
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Even though MD2 is not yet fully compromised, the IETF retired MD2 to "historic" status in 2011, citing "signs of weakness". It is deprecated in favor of SHA-256 and other strong hashing algorithms.[4]
Nevertheless, as of 2014[update], it remained in use in public key infrastructures as part of certificates generated with MD2 and RSA.