hash a string

This is pretty handy, in a Rails view.

Search/replace multiple substrings in multiple files.

A string searching algorithm based upon Boyer-Moore string searching

Calculate file hash: CRC32, GOST, MD2, MD4, MD5, SHA1, and SHA2.

Get the file hash and compare it with another.

Calculates the ezmlm-hash of an email address for use with mysql.

Returns a random key from your hash, but won't repeat until it's done every one.

I needed a Ruby Hash class that could extract a random key from the keys .

Freeware cryptographic hash and crc value calculator for md5, crc32, sha-1, etc.

Shell extension allowing you to determine the hash sum of any file.