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Authentication via SMB protocol.

Authentication via SSH protocol.

Business::PayPal::EWP - Perl extension for PayPal's Encrypted Website Payments with Encrypted Web Payments. It contains a single function, SignAndEncrypt which takes the plaintext form code, private key file, public key file, and PayPal's public certificate, and will return the signed and encrypted code needed by paypal.

Bytes::Random::Secure provides two interfaces for obtaining crypto-quality random bytes. The simple interface is built around plain functions. For greater control over the Random Number Generator's seeding, there is an Object Oriented interface that provides much more flexibility. The "functions" interface provides functions that can be used any time you need a string of a specific number of random bytes. The random bytes are available as simple strings, or as hex-digits, Quoted Printable, or MIME Base64. There are equivalent methods available from the OO interface, plus a few others. This module can be a drop-in replacement for Bytes::Random, with the primary enhancement of using a cryptographic-quality random number generator to create the random data. The random_bytes function emulates the user interface of Bytes::Random's function by the same name. But with Bytes::Random::Secure the random number generator comes from Math::Random::ISAAC, and is suitable for cryptographic purposes. The harder problem to solve is how to seed the generator. This module uses Crypt::Random::Seed to generate the initial seeds for Math::Random::ISAAC.

Blowfish is a published algorithm written by Bruce Schneier Unlike IDEA or DES etc. there are no patent implications in using this algorithm. It uses anywhere between a 64 bit and a 448 bit key. The transform itself is fast and operates on a 64 bit block, and most of the calculation time is in initialising the context with the key data. The _PP name comes from the fact that this implementation is Pure Perl, and will not have any compatibility problems.

This module provides a pure Perl implementation of the CAST5 block cipher. CAST5 is also known as CAST-128. It is a product of the CAST design procedure developed by C. Adams and S. Tavares.

Crypt::GOST_PP is a pure perl implementation of GOST, a 64-bit symmetrical block cipher with a 256-bit key from the former Soviet Union. Please read the Pod documentation contained in the module itself for additional information, including the rationale behind the writing of this module.

The Data Encryption Standard (DES), also known as Data Encryption Algorithm (DEA) is a semi-strong encryption and decryption algorithm. The module is 100 % compatible to Crypt::DES but is implemented entirely in Perl. That means that you do not need a C compiler to build and install this extension. The module implements the Crypt::CBC interface. You are encouraged to read the documentation for Crypt::CBC if you intend to use this module for Cipher Block Chaining. The minimum (and maximum) key size is 8 bytes. Shorter keys will cause an exception, longer keys will get silently truncated. Data is encrypted and decrypted in blocks of 8 bytes. The module implements the Ultra-Fast-Crypt (UFC) algorithm as found for example in the GNU libc. On the Perl side a lot has been done in order to make the module as fast as possible (function inlining, use integer, ...). Note: For performance issues the source code for the module is first preprocessed by m4. That means that you need an m4 macro processor in order to hack on the sources. This is of no concern for you if you only want to use the module, the preprocessed output is always included in the distribution.

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

Crypt-OpenSSL-CA - Model of an X509v3 Certification Authority This package performs the cryptographic operations necessary to issue X509 certificates and certificate revocation lists (CRLs). It is implemented as a Perl wrapper around the popular OpenSSL library. All certificate and CRL extensions supported by OpenSSL are available, and then some.