README
1NAME
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3 Crypt::RC6 - Crypt::CBC compliant RC6 block cipher encryption module
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5SYNOPSIS
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7 use Crypt::RC6;
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9 my $cipher = new Crypt::RC6 $key;
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11 my $ciphertext = $cipher->encrypt($plaintext);
12 my $plaintext = $cipher->decrypt($ciphertext);
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14DESCRIPTION
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16 From THE RC6 BLOCK CIPHER, by Rivest, Robshaw, Sidney, and Yin...
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18 "RC6 is an evolutionary improvement of RC5, designed to meet the
19 requirements of the Advanced Encryption Standard (AES). Like RC5,
20 RC6 makes essential use of data-dependent rotations. New features
21 of RC6 include the use of four working registers instead of two,
22 and the inclusion of integer multiplication as an additional primitive
23 operation. The use of multiplication greatly increases the diffusion
24 achieved per round, allowing for greater security, fewer rounds, and
25 increased throughput."
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27 This implementation requires the use of a 16-, 24-, or 32-byte key
28 and 16-byte blocks for encryption/decryption. Twenty rounds are performed.
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30SEE ALSO
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32 http://www.rsa.com/rsalabs/rc6/
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34AUTHOR
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36 John Hughes (jhughes@frostburg.edu)
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38 I am indebted to Marc Lehmann, the author of the Crypt::Twofish2
39 module, as I used his code as a guide.
40