Open Source Cryptography Software - Page 9
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Cryptography Software
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HashSum is a .NET port from GNU's md5sum and sha1sum. It supports: hash algorithm selection between MD5 and SHA1 (more could be added later) and compatibility between HashSum and GNU's checksum file format
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Image Steganography
Image Steganography
Steganography is the practice of concealing a file, message, image, or video within another file, message, image, or video. The word steganography comes from New Latin steganographia, which combines the Greek words steganós , meaning "covered or concealed", and -graphia meaning "writing". -
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MD5 Encryptor
MD5 Encryptor
MD5 Encryptor -
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Mailcrypt is an Emacs Lisp package which provides a simple interface to public key cryptography with PGP [and now GnuPG!]. Mailcrypt makes strong cryptography a fully integrated part of your normal mail and news handling environment
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Midbar ESP32 CYD Firebase Edition
A version of Midbar data vault adapted for the ESP32 CYD and WebFlash.
A version of Midbar data vault adapted for the ESP32 CYD and WebFlash. It keeps the cryptographic keys in the ESP32 RAM and stores the ciphertexts (encrypted data) in the Google Firebase. The tutorial is available at: https://www.instructables.com/How-to-Turn-ESP32-CYD-Into-a-Secure-IoT-Data-Vault/ WebFlash for ESP32-CYD: https://northstrix.github.io/Midbar-ESP32-CYD-Firebase-Edition/flash WebFlash for ESP32-CYD2USB: https://northstrix.github.io/Midbar-ESP32-CYD2USB-Firebase-Edition/flash -
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MyPGP
PGP graphical user interface
MyPGP provides a graphical user interface for pgp encryption and signing. It is fully compatible with OpenPGP, and GnuPG. It relies on BouncyCastle libraries for the cryptographic primitives. It uses file system folders to store keys, either single or key rings, organized as a nested tree of folders. It can also create lists of keys for bulk operations. -
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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.
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CryptKit is a small, fast cryptographic toolkit for python. It implements Rijndael(AES), SHA 256, Elliptic Curve PKI, Diffie-Hellman key exchange and Nyberg-Ruppel signature/verification. Comprehensive enough to provide a secure socket alternative to SSL
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Pyton GnuPGInterface is meant to be a filehandle-concentrating Python interface to GnuPG, the GNU Privacy Guard. It has an API similar to the Perl module GnuPG::Interface.
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T2DECODE
Offline-first cybersecurity and system learning platform (Flutter)
T2DECODE is an open-source (GPLv3) desktop application designed for learning cybersecurity, networks, and systems 100% offline. Developed by the TUTODECODE association, it follows the "Privacy by Design" principle: zero telemetry, zero cloud dependencies, and total sovereignty over your data. Key learning modules: - Networking: Subnet mask simulator and calculations. - System: Interactive chmod permission manager. - Cryptography: Local hash functions (SHA, MD5, etc.). - Local AI: Optional integration with Ollama to run LLMs (like Llama 3) locally for student assistance. Ideal for IT students (BTS SIO, BUT Informatique), air-gapped environments, or users in white zones without internet access. Built with Flutter for Windows, macOS, Linux, and Android. -
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jTcGui is a Java Tool for managing TrueCrypt volumes on Linux. Requires TrueCrypt and JAVA 6 installed to run.
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USA CRYPT is a smart, powerful and easy-to-use file-encryption tool that works with Advanced Encryption Standard (AES) algorithm - 256bit key. Operation mode: OFB
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WinHasher
Very simple file and text hashing tool for Windows
Tiny script will find hash digest of files or text by calling on Microsoft's "certutil.exe", using MD4, MD5, SHA1, SHA256, SHA384, or SHA512. Simple and self explanatory. *EDIT 5/3/25, I just realized that there is another project entitled "WinHasher", it appears to kind of do the same thing but uses native code rather than Microsoft's "certutil". If that's what you're looking for, it's here: https://github.com/gpfjeff/winhasher -
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bin64ed
Base64 encode (or decode) files of any type with this lightweight tool
bin64ed is a binary base64 encoder/decoder that allows you to encode/decode binary files (such as images, pdfs, etc) to and from base64. -
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dk-milter consists of two parts: A milter-based application (dk-filter) which plugs in to Sendmail to provide DomainKeys service, and a library (libdk) which can be used to build DomainKeys-compliant applications or MTAs. See the home page for details.
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libObfuscate 2.00 ISO C / open-source / system independent * Modern 256bit cryptography: AES, Anubis, Camellia, Cast-256, Clefia, FROG, Hierocrypt3, Idea-NXT, MARS, RC6, Safer+, SC2000, Serpent, Speed, Twofish, Unicorn-A, Wrapper * CSPRNG (based on AES) * Modern 512bit hashing: Grostl, Keccak, SHA2, Skein, Wrapper * Scrambling * Multi-layered obfuscation
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Enigma CS (Coding Software)
Create and use your own personalized, very secure, encoding script!
Create and use your own personalized, yet very secure, encoding script! -
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The Martus (TM) Bulletin System is used by human rights and social justice groups to track violations. This Java program is as easy to use as email. Bulletins can be encrypted or searched, and can be backed up to a remote server. See www.martus.org.
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SSL Diagnos
SSL Strength Evaluation and Test Utility
SSL Diagnos is used to test SSL strength; get information about SSL protocols (pct, ssl2, ssl3, tls, dtls) and cipher suites. It can also be used for testing and rating ciphers on SSL clients. It has also specific support for pop3s, sip, smtp and explicit ftps. Tests for heartbleed (including dtls). Furthermore a separate tool, SSLPressure, not using openssl can be used to check the whole spectrum of possible SSL protocols on a server. Can also be used for testing ssl for mssql-servers (was added since nessus did not support this) and contains mitm poc for stripping ssl from mssql-connections. -
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Simple Cipher Decoder
Decrypts and encrypts substitution, transposition and vigenere ciphers
Change log 1.01: 1)Error fixed on clicking solve and arrow buttons in the vigenere decoder 2)Error fixed when number of columns exceeds text length in substiution cipher 3)Can now handle variable block length when changing columns 4)Multiple identicle conversion values onn the frequency analysis page now not allowed This project is near its final stages but there may still be improvements to be made. If you could write some form of review or send me an email with advice I would greatly appreciate it. This is a series of three simple programs that will allow you to easily encrypt and decrypt text using any combination of substitutions, transpositions, vigenere ciphers or caesar shifts. The programs will not completely solve the ciphers for you haowever they will make it very clear to see how to solve them and ensure that there is no need for tedious manual work. -
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Simple file encryption utility with AES-256 for Windows 2000/2003/XP/Vista/7. Beside the standard enc/decryption operations has a Cut/Copy and Paste like interface.
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Ank Zipper
A free and easy-to-use password protected file archiver
Ank Zipper provides you with a lightweight, Java-based application designed to provide security to your documents. Ank Zipper can compress both files and folders and create password-protected archives, in order to prevent unauthorized access to important files. Additionally, it can be used for extracting or simply browsing ZIP files.It includes AES(Advanced Encryption Standard) algorithm to encrypt/decrypt file(s). Ank Zipper is a cross-platform software that can be used on any platform that features Java compatibility (e.g. Mac OS X, Linux, Windows). -
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Cassiopeia's BitMail
Encrypting E-Mail Client
BitMail is a Proof-of-Concept- / Design-Study for an Qt E-Mail Client. POP3 / IMAP / SMTP / P2P E-Mail-Client. ● Qt E-Mail Client. ● Build-in Encryption to secure E-Mails ● IMAP & POP3 ● Additionally a full decentral P2P Email-Option via the Echo Protocol ● Store Email for Offline-Friends in the P2P Network. ● Chat and Instant Messaging is build in. ● POPTASTIC function (Chat over Email) ● Calendar widget functionality. ● Open Source. BSD License. "Cassiopeia is the tortoise of Momo, which can communicate through writing on her shell and guides into the future." - Wikipedia. Source from: https://sf.net/projects/spot-on/files/ & https://github.com/textbrowser/spot-on -
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ClearPass (formerly BlowPass) is web based password storage system that uses the Blowfish algorithm and a Host-Proof design pattern.
