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From the aescrypt README.html: This is a program for encrypting/decrypting streams of data using Rijndael and Cipher Block Feedback mode (CFB-128). ... 5. This program was deliberately kept extremely simple. It is not intended to be a full encryption solution, it is intended to be used within scripts as part of a complete solution. Keychain management, public key signatures, etc. are all expected to be done external to this program.

Binwalk is a tool for searching a given binary image for embedded files and executable code. Specifically, it is designed for identifying files and code embedded inside of firmware images. Binwalk uses the libmagic library, so it is compatible with magic signatures created for the Unix file utility. Binwalk also includes a custom magic signature file which contains improved signatures for files that are commonly found in firmware images such as compressed/archived files, firmware headers, Linux kernels, bootloaders, filesystems, etc. More details are available at:

The BlindElephant Web Application Fingerprinter attempts to discover the version of a (known) web application by comparing static files at known locations against precomputed hashes for versions of those files in all available releases. The technique is fast, low-bandwidth, non-invasive, generic, and highly automatable.

Botan is a crypto library written in C++. It provides a variety of cryptographic algorithms, including common ones such as AES, MD5, SHA, HMAC, RSA, Diffie-Hellman, DSA, and ECDSA, as well as many others that are more obscure or specialized. It also offers X.509v3 certificates and CRLs, and PKCS #10 certificate requests. A message processing system that uses a filter/pipeline metaphor allows for many common cryptographic tasks to be completed with just a few lines of code. Assembly optimizations for common CPUs, including x86, x86-64, and PowerPC, offers further speedups for critical tasks such as SHA-1 hashing and multiple precision integer operations. Botan is licensed under the same permissive terms as FreeBSD itself.

BSDsfv is a flexible and highly compatible SFV checksum utility. Features: - create SFV files, verify downloaded single files or whole releases - add banners to your SFV files - very flexible and compatible with all other SFV tools currently known, including SFVNIX compatibility mode concerning SFV files created - easy to console application - plug & play support for glFTPd and other demons including count-missing-files feature for race scripts

Hamachi is a zero-configuration virtual private networking tool.

This package include a C library and some sample programs that demonstrate the library's power. It is a cryptographic library: you can crypt any type of data. Key length is unlimited. You can generate password, manage users, hide text in file, etc. ATTENTION!!! IN SOME COUNTRIES THIS SOFTWARE MAY BE ILLEGAL, SO DON'T USE IT IF YOU ARE NOT ALLOWED.

Suhosin is an advanced protection system for PHP installations. It was designed to protect servers and users from known and unknown flaws in PHP applications and the PHP core. Suhosin comes in two independent parts, that can be used separately or in combination. The first part is a small patch against the PHP core, that implements a few low-level protections against bufferoverflows or format string vulnerabilities and the second part is a powerful PHP extension that implements all the other protections. Suhosin is binary compatible to normal PHP installation, which means it is compatible to 3rd party binary extension like ZendOptimizer.

cfv is a utility to both test and create .sfv, .csv and md5sum files. These files are commonly used to ensure the correct retrieval or storage of data. Features: - supports .sfv, .csv(2, 3, and 4 field variants), md5sum, BSD md5 sha1sum, .torrent and (test-only) .par, .par2 file formats - automatic checksum file naming ability in create mode - recursive operation - show unverified files option - ignore case and fix path separator options for cross platform use - transparent gzip support for checksum files - configurable renaming of bad files (with testing against previous bad files, to save only unique differing copies)

pamtester is a tiny utility program to test the pluggable authentication modules (PAM) facility, which is a de facto standard of unified authentication management mechanism in many unices and similar OSes including Solaris, HP-UX, *BSD, MacOSX and Linux. While specifically designed to help PAM module authors to test their modules, that might also be handy for system administrators interested in building a centralised authentication system using common standards such as NIS, SASL and LDAP.