>Сабж
Очевидно, одним из модулей Digest::
Digest::Adler32
Digest::BubbleBabble
Digest::CRC
Digest::Crc32
Digest::DJB
Digest::DMAC
Digest::EMAC
Digest::Elf
Digest::FNV
Digest::HMAC
Digest::Hashcash
Digest::Haval256
Digest::JHash
Digest::MD2
Digest::MD4
Digest::MD5
Digest::MD5::File
Digest::MD5::M4p
Digest::MD5::Reverse
Digest::ManberHash
Digest::Nilsimsa
Digest::Pearson
Digest::Pearson::PurePerl
Digest::Perl::MD4
Digest::Perl::MD5
Digest::SHA
Digest::SHA::PurePerl
Digest::SHA1
Digest::SHA2
Digest::SHA256
Digest::SV1
Digest::Tiger
Digest::Whirlpool
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