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This module implements a chaining block cipher using a one way hash. This method of encryption is the same that is used by radius (RFC2138) and is also described in Applied Cryptography. Two interfaces are provided in the module. The first is straight block encryption/decryption the second does base64 mime encoding/decoding of the encrypted/decrypted blocks. The idea is that the two sides have a shared secret that supplies one of the keys and a randomly generated block of bytes provides the second key. The random key is passed in cleartext between the two sides. An example client and server are packaged as modules with this module. They are used in the tests.

Crypt::Juniper - Encrypt/decrypt Juniper $9$ secrets

Barnyard is a critical tool for the parsing of Snort's unified binary files, processing and on-forwarding to a variety of output plugins. Unfortunately it has not seen an updated in over 4 years and is not going to be maintained by the original developers. With the new version of the unified format (ie. unified2) arriving we need something to bridge this gap. The SXL team love barnyard. So much so that we want it to stay and have been tinkering around with the code to give it a breath of new life. Here is what we have achieved to far for this reinvigorated code base: * Parsing of the new unified2 log files. * Maintaining majority of the command syntax of barnyard. * Addressed all associated bug reports and feature requests arising since barnyard-0.2.0. * Completely rewritten code based on the GPLv2 Snort making it entirely GPLv2. This is an effort to fuse the awesome work of Snort and the original concept of barnyard giving it a fresh update along the way. We've come a long way so far and have a very stable build that we've integrated into our NSMnow framework. If you have any feature requests, bugs or gripes then send them our way.

This module is a complete working Perl implementation of the Enigma Machine used during World War II. The cipher calculations are based on actual Enigma values and the resulting ciphered values are as would be expected from an Enigma Machine. The implementation allows for all of the Rotors and Reflectors available to the real world Enigma to be used. A Steckerboard has also been implemented, allowing letter substitutions to be made.

Crypt::MySQL emulates MySQL PASSWORD() SQL function, without libmysqlclient. You can compare encrypted passwords, without real MySQL environment.

GOST 28147-89 is a 64-bit symmetric block cipher with a 256-bit key developed in the former Soviet Union. Some information on it is available at http://vipul.net/gost/ . This module implements GOST encryption. It supports the Crypt::CBC interface, with the functions described below. It also provides an interface that is backwards- compatible with Crypt::GOST 0.41, but its use in new code is discouraged.

This is Crypt::NULL. Perl module for NULL Encryption Algorithm. The NULL Encryption Algorithm is a symmetric block cipher described in RFC 2410 by Rob Glenn and Stephen Kent. This module implements NULL encryption. It supports the Crypt::CBC.

This module is a Perl-only implementation of the OFB mode. Where OFB stands for Output Feedback Block.

Crypt::OpenPGP is a pure-Perl implementation of the OpenPGP standard[1]. In addition to support for the standard itself, Crypt::OpenPGP claims compatibility with many other PGP implementations, both those that support the standard and those that preceded it. Crypt::OpenPGP provides signing/verification, encryption/decryption, keyring management, and key-pair generation; in short it should provide you with everything you need to PGP-enable yourself. Alternatively it can be used as part of a larger system; for example, perhaps you have a web-form-to-email generator written in Perl, and you'd like to encrypt outgoing messages, because they contain sensitive information. Crypt::OpenPGP can be plugged into such a scenario, given your public key, and told to encrypt all messages; they will then be readable only by you. This module currently supports RSA and DSA for digital signatures, and RSA and ElGamal for encryption/decryption. It supports the symmetric ciphers 3DES, Blowfish, IDEA, Twofish, and Rijndael (AES). Rijndael is supported for key sizes of 128, 192, and 256 bits. Crypt::OpenPGP supports the digest algorithms MD5, SHA-1, and RIPE-MD/160. And it supports ZIP and Zlib compression.

The Crypt::OpenSSL::AES module implements a wrapper around OpenSSL's AES (Rijndael) library.