Stegeek is very simple tool, that takes several files,encrypt, and mix them into one file. Also add some redundancy. The result is, that we have one archive and N keys. It should not be possible to guess N, if you have archive and up to N-1 keys.
MpNT is a multi-precision number theory library that provides a base for building cryptographic applications. It may however be used in any domain where efficient integer, modular, and floating-point computations involving large numbers are required.
Waste.net is a .NET-driven application geared towards providing a secure online encrypted file-sharing service. This is a purely managed .NET 2.0 port of the original Waste client/server.
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LightCrypto is C cryptography library. It contains Big Number Library, basic crypto algorithms (3DES, DSA, RSA, ECDSA, etc), Internet Voting Scheme, and many more. Current librarie's binary is less than 1MB and it can even be smaller by user config.
B-Trust eDoc is a program built on top of LibDigiDoc a free implementation of the OpenXAdES standard for signing/encrypting files using smartcard tokens. It also contains Openssl and PKCS11 wrapper classes in C++ which might be useful to developers.
MUSASH provides a utility to digest text, file and a byte char. It also able to compare two files, compare file, text and char to a hash. It also allows user to search for a string that evaluates to a hash given. Supported algo: MD5, SHA1 and SHA2 family
The Kryptos Project began at George Mason University. The idea was to develop educational software that could be used to further break down and study different aspects of the implementation of cryptography.
The Password Auditing Project will be a compilation of other, previously released password auditing programs, in such a fashion as to reap the best benefits of each portion. Pulling innovations from John the Ripper, Lepton, Rainbow Tables, and more.
A simple, secure and free tool for encryption and signature for Microsoft Windows and Unix. Part of the IDEALX "OpenTrust" suite (IDX-PKI, IMC, IDX-smbldap-tools...), it provides confidentiality and security through X.509-PKCS certificates. Languages:
The ELF-Encrypter program suite is a collection of programs to encrypt your ELF binaries using various algorithms. GnuPG is required in order to use some encryption techniques.
The suite also contains programs to inject code into ELF binaries.
BinaryPix is a Tool to create "Binary-Visual" Code out of ASCII-Text Then it places it on a choosen picture. Then you are able to water-mark your pictures with the "binary-hidden" code.
The ABKey plugin for Apple's Address Book allows you to quickly view GPG key information for contacts as well as specify per-contact preferences for how GPGMail (the Apple Mail plugin for GPG) handles encrypting and signing of emails.
X10 Server for controlling X10 devices and an X10 Client for connecting to the X10 Server allowing user create/edit devices remotely in their home and control these devices remotely all over a secure channel using DES and Public key cryptography methods.
SecCube introduces a record based cryptosystem that depends neither on a specific OS (Windows, Linux...) nor on a specific media (Disk, Flash...). It provides therefore an easily deployable, highly portable and top-secure wallet for your personal data.
QUIPSTER is a little program to solve substitution ciphers (Cryptoquotes) automatically. It's based on the statistics of letter combinations (for example, NT is more likely than BT, and JV never seems to show up) and using stochastic local search.
The Free Digital Money project aims to promote ideas and stimulate further innovation in the field of digital money. It provides a e-money implementation that can be used by anyone to try out ideas, build sample applications, or for further development.
EverCrack cryptanalysis engine. The goal is cryptanalysis of any class of cipher. The focus now is the kernel - cryptanalysis of unilateral monalpha substitution ciphers extremely quickly, and later, cryptanalysis of complex ciphers for the kernel.
MacHash is intended to be a HashCalc clone for Mac OS X. Sporting a neat Aqua interface, it allows you to calculate a variety of popular hash values like MD5 or CRC32 from diffent input sources such as a line of text or a file on disk.
NewPKI is a PKI based on the OpenSSL low-level API, all the datas are
handled through a database, which provides a much more flexible PKI than
with OpenSSL, such as seeking a certificate with a search engine.
Tristero is a framework for creating distributed peer-to-peer file sharing applications. It uses standard technologies for each component, reducing the work of implementing a particular network architecture to the novel aspects of that system and eliminat