/ 
Crypt-Bear-0.002
/ Crypt::Bear::CTR

NAME

Crypt::Bear::CTR - CTR encoder baseclass BearSSL

VERSION

version 0.002

DESCRIPTION

This base class represents an CTR implementation, currently it's only implementation is Crypt::Bear::AES_CTR.

METHODS

run($iv, $data)

This runs a CTR encode/decode with the given IV and data, and returns the result.

The `iv` parameter' length must be exactly 4 bytes less than the block size (e.g. 12 bytes for AES/CTR). The IV is combined with a 32-bit block counter to produce the block value which is processed with the block cipher.

The data's length is not required to be a multiple of the block size; if the final block is partial, then the corresponding key stream bits are dropped.

block_size()

This returns the blocksize of the cipher.

AUTHOR

Leon Timmermans <fawaka@gmail.com>

COPYRIGHT AND LICENSE

This software is copyright (c) 2024 by Leon Timmermans.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.