Open Source PHP Encryption Software for Windows

MaddCrypt is a simple application that focuses on protection, encryption, and obfuscation for dotNET application. Designed with high-end features, MaddCrypt has a wide range of uses, from educational penetration testing to the protection of sensitive personal and legal data. The app is designed to meet a variety of security needs with an elegant look using the Guna Framework.

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Flash/PHP adaptation of the XTEA encryption algorithm. Allows encryption/decryption of sensitive data using 128-bit key. May be used for network data (HTTP) or offline for implementations like secure CD-ROM projects.

Amnesia is a design-rich 'host-proof' web application that encrypts and remembers all sorts of personal information from passwords to private notes. Project now hosted at Google Code: https://code.google.com/p/amnesia-app/

AnLib is a PHP library of useful functions and classes to help you build and deploy PHP applications swiftly and easily.

AresCode2008 is system to crypt files. System is used new cryptography algorithm.

ClearPass (formerly BlowPass) is web based password storage system that uses the Blowfish algorithm and a Host-Proof design pattern.

ES-E is a fully downloaded encryption algorithm that you can use for your WebServer or use it for your programs (by grabbing the output off the webpage). Check the Files page for the latest build.

This tool can create one-time-password values based on HOTP (RFC 4226: HOTP: An HMAC-Based One-Time Password Algorithm), TOTP (RFC 6238: TOTP: Time-Based One-Time Password Algorithm) and OCRA (RFC 6287: OCRA: OATH Challenge-Response Algorithm) standards, and also supports client side of OAuth protocols (1.0a, 2.0).

JSRSA is a Javascript/PHP implementation of RSA algorithm which help you to simulate SSL-Like secure data transmission over the net as easy as possible !

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PHP User-Specific Encryption&Decryption Class You have encountered an error, and your requests if you open a ticket, the right updates, I can.

SES brings back the uncrackable onetime pad, with a digital twist. It is well known that a random key of message-length is the only provably unbreakable cipher. SES uses cryptographic strength pseudo-random keys of message-length for its many encipherments, in addition to offering true one-time pad capability for the intrepid. SES is built on ISAAC, Bob Jenkins' unbroken CSPRNG, a fast and simple stream cipher placed in the Public Domain in 1996. SES now gives you the ability to efficiently cipher text of arbitrary length or files of any size or type. Use it with confidence. To achieve complete one-on-one privacy, SES traverses several levels en route to its output. The more words in your key-phrase, the more layers of encipherment SES applies. It is part Vigenere, part onetime pad, part cryptographic hash, not to mention the essential scrambler element, each component driven by ISAAC, with all key-derivation and stretching relying on Keccak in 512-bit configuration.