Open Source Linux Cryptography Software

Browse free open source Cryptography software and projects for Linux below. Use the toggles on the left to filter open source Cryptography software by OS, license, language, programming language, and project status.

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  • 1
    AirSnort is a wireless LAN (WLAN) tool which cracks encryption keys on 802.11b WEP networks. AirSnort operates by passively monitoring transmissions, computing the encryption key when enough packets have been gathered.
    Downloads: 61 This Week
    Last Update:
    See Project
  • 2
    The libSRTP project has been moved to https://github.com/cisco/libsrtp
    Downloads: 8 This Week
    Last Update:
    See Project
  • 3
    openSNMP is a multi-threaded SNMPv3 engine. This project supports the Simple Network Management Protocol version 3. In particular, it is designed to match the architecture of the Internet Engineering Task Force SNMPv3 standard (RFCs 3410-15).
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    Downloads: 4 This Week
    Last Update:
    See Project
  • 4
    The SLAN project is a GPL open-source project providing a cross platform Virtual Private Networking (VPN) solution focused on providing secured and accountable links over insecure broadcast media such as 802.11 wireless LANs and public ethernets.
    Downloads: 2 This Week
    Last Update:
    See Project
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  • 5
    iSSL is a minimalistic cryptographical API that uses the ciphers RSA and AES to establish SSL-alike, secure encrypted communications between two peers communicating through a network socket, including session key generation and public key exchange.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 6
    Gloster is a secure and decentralized p2p program for small communities working under Linux and Windows
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7

    JSSLTrace - a SSL/TLS Interceptor

    A java-based interceptor for SSL/TLS protocol

    Jssltrace is a java-based tool, which enables it's user to intercept ssl based communication between two programs. Jssltrace works essentiallly in the same manner as tcptrace (http://www.pocketsoap.com/tcptrace), which is the main inspiration for it.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    CertForge is a web-based certificate utility written in Java 1.6, to make or view X.509 certificates, keys, CRLs, manage keystore and truststore (CTL) for SSL sites, and run as a simple Certificate Authority (CA).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    FSFS is a secure distributed file system in user space built over FUSE and OpenSSL. It stores AND transfers data between clients and server in secure form, leaving most of the cryptography to the clients, thus relieving the server of the additional work.
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 10
    Infranet is a system that attempts to circumvent web censorship by allowing clients to surreptitiously request sensitive content via cooperating Web servers distributed across the global Internet.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Kojoney is an easy of use, secure, robust and powerfull Honeypot for the SSH Service written in Python. With the kojoney daemon are distributeds other tools such as kip2country (IP to Country) and kojreport, a tool to generate reports from the log fi
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Messa is a fully distributed instant messaging and presence application.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    A number of tools to enhance management/coding of NFR (http://www.nfr.net) IDA, and various other admin tools that can be used for both NFR and hand coding other appliance scripts.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Netdeep Cop is a security network gateway. It features stateful packet filtering, proxies, content filtering, IDS/IPS and VPN. This project has been started with your code based in IPCop and Smoothwall project.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    The SSTCP protocol permits to establish a simple TCP/IP connexion across multiple AES secured channel. Simple but (/so?) secured and strong cryptographic methods are used. OpenSSTCP is the LGPL implementation of the SSTCP protocol.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Simple Authentication and Security Layer (Sasl) Library for .NET environments
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    A peer-to-peer chat program that uses public key encryption (via Gnu Privacy Guard) to keep your conversations from the eyes of packet sniffers (*Cough* Carnivore *Cough*)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Wrapper library for PyCrypto, which simplifies usage of PyCrypto considerably, while still not barring the programmer from the underlying functionality.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    stands for Active Integrity Software, provide quick alert of elf file modifications. Based on Gnu/Linux OS, with a daemon to analyse datas give by the kernel module, written in C.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    httpshell is an interactive https command exploit to test the perimeter security of your network. This is a customized HTTPS encrypted reverse shell. It illustrates how easy to bypass any perimiter firewall and IPS by simply encrypting the data. To list all connecting clients: sulod -l To interact with existing client sessions: sulod -i <number> by Nelson Maligro
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Ikedectypt is a perl script to decrypt IKEv1 packets in libpcap formatted trace file. You can use Ethereal(http://www.ethereal.com) to analyze decrypted trace. Key information(first initialization vector, skeyid_e) is needed to be supplied by user.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    PAM support in CNTLM proxy. This project is an altered version of latest CNTLM proxy (http://cntlm.sf.net), patched to add PAM authentication support.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Yavipind is a secure tunnel aka 2 peers securely forward­ing packets toward each other.It is what most people calls a VPN (virtual private network). It forwards any kind ofpacket (IPv4, IPv6 or other) sent over the virtual network interface (e.g. t
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    YAWCU is a wireless LAN (WLAN) capture + WEP cracking utility. It can crack 64/128 Bit WEP keys on IEEE 802.11b/g networks by monitoring WLAN traffic and computing the resulting WEP key once enough packets have been gathered
    Downloads: 0 This Week
    Last Update:
    See Project
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