mhash

Mhash is a free library which provides a uniform interface to a large number of hash algorithms. These algorithms can be used to compute checksums, message digests, and other signatures. The HMAC support implements the basics for message authentication, following RFC 2104. In the later versions some key generation algorithms, which use hash algorithms, have been added. Currently, the library supports the algorithms: ADLER32, GOST, HAVAL256, HAVAL224, HAVAL192, HAVAL160, HAVAL128, MD5, MD4, MD2, RIPEMD128/160/256/320, TIGER, TIGER160, TIGER128, SHA1/224/256/384/512, Whirlpool, SNEFRU128/256, CRC32B and CRC32 checksums.

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