Perl extension for SHA-1/224/256/384/512, SHA-512/224 and SHA-512/256

 Digest::SHA is a complete implementation of the NIST Secure Hash Standard.
 It gives Perl programmers a convenient way to calculate SHA-1, SHA-224,
 SHA-256, SHA-384, SHA-512, SHA-512/224, and SHA-512/256 message digests.
 The module can handle all types of input, including partial-byte data.