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package CryptX;

use strict;
use warnings ;
our $VERSION = '0.073';

require XSLoader;
XSLoader::load('CryptX', $VERSION);

use Carp;
my $has_json;

BEGIN {
  $has_json = 1 if eval { require JSON; 1 };
}

sub _croak {
  die @_ if ref $_[0] || !$_[-1];
  if ($_[-1] =~ /^(.*)( at .+ line .+\n$)/s) {
    pop @_;
    push @_, $1;
  }
  die Carp::shortmess @_;
}

sub _decode_json {
  croak "FATAL: cannot find JSON module" if !$has_json;
  return JSON->new->utf8->decode(shift);
}

sub _encode_json {
  croak "FATAL: cannot find JSON module" if !$has_json;
  return JSON->new->utf8->canonical->encode(shift);
}

1;

=pod

=head1 NAME

CryptX - Cryptographic toolkit

=head1 DESCRIPTION

Perl modules providing a cryptography based on L<LibTomCrypt|https://github.com/libtom/libtomcrypt> library.

=over

=item * Symmetric ciphers - see L<Crypt::Cipher> and related modules

L<Crypt::Cipher::AES>, L<Crypt::Cipher::Anubis>, L<Crypt::Cipher::Blowfish>, L<Crypt::Cipher::Camellia>, L<Crypt::Cipher::CAST5>, L<Crypt::Cipher::DES>,
L<Crypt::Cipher::DES_EDE>, L<Crypt::Cipher::IDEA>, L<Crypt::Cipher::KASUMI>, L<Crypt::Cipher::Khazad>, L<Crypt::Cipher::MULTI2>, L<Crypt::Cipher::Noekeon>,
L<Crypt::Cipher::RC2>, L<Crypt::Cipher::RC5>, L<Crypt::Cipher::RC6>, L<Crypt::Cipher::SAFERP>, L<Crypt::Cipher::SAFER_K128>, L<Crypt::Cipher::SAFER_K64>,
L<Crypt::Cipher::SAFER_SK128>, L<Crypt::Cipher::SAFER_SK64>, L<Crypt::Cipher::SEED>, L<Crypt::Cipher::Serpent>, L<Crypt::Cipher::Skipjack>,
L<Crypt::Cipher::Twofish>, L<Crypt::Cipher::XTEA>

=item * Block cipher modes

L<Crypt::Mode::CBC>, L<Crypt::Mode::CFB>, L<Crypt::Mode::CTR>, L<Crypt::Mode::ECB>, L<Crypt::Mode::OFB>

=item * Stream ciphers

L<Crypt::Stream::RC4>, L<Crypt::Stream::ChaCha>, L<Crypt::Stream::Salsa20>, L<Crypt::Stream::Sober128>,
L<Crypt::Stream::Sosemanuk>, L<Crypt::Stream::Rabbit>

=item * Authenticated encryption modes

L<Crypt::AuthEnc::CCM>, L<Crypt::AuthEnc::EAX>, L<Crypt::AuthEnc::GCM>, L<Crypt::AuthEnc::OCB>, L<Crypt::AuthEnc::ChaCha20Poly1305>

=item * Hash Functions - see L<Crypt::Digest> and related modules

L<Crypt::Digest::BLAKE2b_160>, L<Crypt::Digest::BLAKE2b_256>, L<Crypt::Digest::BLAKE2b_384>, L<Crypt::Digest::BLAKE2b_512>,
L<Crypt::Digest::BLAKE2s_128>, L<Crypt::Digest::BLAKE2s_160>, L<Crypt::Digest::BLAKE2s_224>, L<Crypt::Digest::BLAKE2s_256>,
L<Crypt::Digest::CHAES>, L<Crypt::Digest::MD2>, L<Crypt::Digest::MD4>, L<Crypt::Digest::MD5>, L<Crypt::Digest::RIPEMD128>, L<Crypt::Digest::RIPEMD160>,
L<Crypt::Digest::RIPEMD256>, L<Crypt::Digest::RIPEMD320>, L<Crypt::Digest::SHA1>, L<Crypt::Digest::SHA224>, L<Crypt::Digest::SHA256>, L<Crypt::Digest::SHA384>,
L<Crypt::Digest::SHA512>, L<Crypt::Digest::SHA512_224>, L<Crypt::Digest::SHA512_256>, L<Crypt::Digest::Tiger192>, L<Crypt::Digest::Whirlpool>,
L<Crypt::Digest::Keccak224>, L<Crypt::Digest::Keccak256>, L<Crypt::Digest::Keccak384>, L<Crypt::Digest::Keccak512>,
L<Crypt::Digest::SHA3_224>, L<Crypt::Digest::SHA3_256>, L<Crypt::Digest::SHA3_384>, L<Crypt::Digest::SHA3_512>, L<Crypt::Digest::SHAKE>

=item * Checksums

L<Crypt::Checksum::Adler32>, L<Crypt::Checksum::CRC32>

=item * Message Authentication Codes

L<Crypt::Mac::BLAKE2b>, L<Crypt::Mac::BLAKE2s>, L<Crypt::Mac::F9>, L<Crypt::Mac::HMAC>, L<Crypt::Mac::OMAC>,
L<Crypt::Mac::Pelican>, L<Crypt::Mac::PMAC>, L<Crypt::Mac::XCBC>, L<Crypt::Mac::Poly1305>

=item * Public key cryptography

L<Crypt::PK::RSA>, L<Crypt::PK::DSA>, L<Crypt::PK::ECC>, L<Crypt::PK::DH>, L<Crypt::PK::Ed25519>, L<Crypt::PK::X25519>

=item * Cryptographically secure random number generators - see L<Crypt::PRNG> and related modules

L<Crypt::PRNG::Fortuna>, L<Crypt::PRNG::Yarrow>, L<Crypt::PRNG::RC4>, L<Crypt::PRNG::Sober128>, L<Crypt::PRNG::ChaCha20>

=item * Key derivation functions - PBKDF1, PBKDF2 and HKDF

L<Crypt::KeyDerivation>

=item * Other handy functions related to cryptography

L<Crypt::Misc>

=back

=head1 LICENSE

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

=head1 COPYRIGHT

Copyright (c) 2013-2021 DCIT, a.s. L<https://www.dcit.cz> / Karel Miko

=cut