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package Crypt::OpenToken::Cipher::null; |
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use Moose; |
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use Crypt::NULL; |
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use namespace::autoclean; |
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with 'Crypt::OpenToken::Cipher'; |
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sub keysize { 0 } |
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sub iv_len { 0 } |
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sub cipher { |
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# its a "NULL" cipher... there's *no* need for a key or an iv... |
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return Crypt::NULL->new('dummy key'); |
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} |
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1; |
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=head1 NAME |
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Crypt::OpenToken::Cipher::null - Null encryption support for OpenToken |
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=head1 DESCRIPTION |
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This library can be used by C<Crypt::OpenToken> to encrypt payloads using |
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NULL encryption. |
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Yes, that's right, "null encryption" (e.g. B<no> encryption of the data |
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whatsoever). Horrible for real-world use, great for interoperability testing. |
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=head1 METHODS |
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=over |
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=item keysize() |
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Returns the key size used for NULL encryption; 0 bytes. |
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=item iv_len() |
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Returns the length of the Initialization Vector needed for NULL encryption; 0 |
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bytes. |
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=item cipher($key, $iv) |
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Returns a C<Crypt::CBC> compatible cipher the implements the NULL encryption. |
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=back |
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=head1 AUTHOR |
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Graham TerMarsch (cpan@howlingfrog.com) |
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=head1 COPYRIGHT & LICENSE |
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C<Crypt::OpenToken> is Copyright (C) 2010, Socialtext, and is released under |
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the Artistic-2.0 license. |
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=head1 SEE ALSO |
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L<Crypt::OpenToken::Cipher> |
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=cut |