Total Text Security
Are you afraid that your boss reads your e-mail letters and ICQ messages? Are you afraid that when intercepting your correspondences, your competitors could strike at your business? Do you want to be sure the message you received was sent by your partner, and not by somebody else? ... Total Text Security provides rich easy-to-use functions for working with and managing RSA-keys. ... You can encrypt your message with a password, or with an RSA-key (as used by PGP). ... Moreover, you can sign you message with the RSA-key, so that your partner can be sure that you and not somebody else sent...
http://www.softsphere.com/cgi-bin/redirect.pl?Name=TTS - 463Kb - Download - Screenshot

ACProtect standard
ACProtect is an application that allows you to protect Windows executable files(PE files) against piracy. Using public keys encryption algorithms (RSA) to create and verify the registration keys and unlock some RSA key locked code. It has an Embedded Protector against file dumping and unpackers. ... RSA-Lock Codes - With RSA keys system a cracker can not write a KeyGen (or KeyMaker) for your product without the RSA private key (the RSA private key is only in the author's hand). ... You may also specify some code to be locked by the RSA keys, the cracker won't have the proper "key.
http://www.ultraprotect.com/acpr_std.exe - 2Mb - Download - Screenshot

AntiCrack Software Protector Basic
AntiCrack Software Protector is a dll exe protection and dll exe compression tool. AntiCrack Software Protector is the system of software protection of applications,designed for quick implementation of application protection functions, especially targeted for software developers. ... AntiCrack Software Protector Key Words anticrack,antidebug,antidump,antitrace,software protect,software protection,software protector,exe protect,exe protection,exe protector,dll protect,dll protection,dll protector,software compress,software compression,software compressor,exe compression,exe compressor,dll...
http://www.anticrack.us/download/acprotector.exe - 1Mb - Download - Screenshot

Chilkat AES & RSA Encryption Component
Chilkat Crypt . NET is an advanced encryption component that offers both RSA public-key encryption with digital signatures as well as symmetric encryption algorithms including AES (Rijndael), Blowfish, and Twofish. It provides the ability to easily create digital signatures for files or memory... It also provides easy access to information about digital certificates and the ability to add and delete certificates from certificate stores found in the registry, filesystem, or even directly in memory.
http://www.chilkatsoft.com/ChilkatCrypt.exe - 2Mb - Download - Screenshot

CommuniCrypt2Go
RSA encryption tool for eMail-, webmail & messenger communication. No installation required, should run from an USB-Stick and other temporarely devices. See www. communicrypt. com for details.
http://www.communicrypt.com/downloads/cc2go.exe - 370Kb - Download - Screenshot

CommuniCrypt Mail
Standalone eMail client with built-in strongest asymmetric Public-Key-Encryption with RSA encryption algorithm (RSAES-OAEP). Key length for encrypting up to 7120 bit. This eMail client is fully featured for receiving/sending mails via POP3/SMTP. With the integrated SMTP engine you do not need a... With the integrated file encryption/decryption tool you can encrypt or decrypt your mail attachments or all other files you like with strongest RSA Public Key encryption (key length from 338 bit up to 7120 bit) or with the symmetric AES Rijndael encryption (256 bit).
http://www.communicrypt.com/downloads/ccm_setup.exe - 5Mb - Download - Screenshot

PDFBlackbox (VCL)
PDFBlackbox (VCL Edition) is a comprehensive collection of native components that help you compress, encrypt, sign and compress PDF documents from your Delphi or Kylix applications. Both symmetric and certificate-based (X. 509) encryption and signing is supported. ... PDFBlackbox supports full range of PDF security operations, including * PDF standard password-based data encryption using MD5 + RC4/40 or RC4/128 algorithms; * PDF certificate-based public key data encryption using RSA algorithm and PKCS#7 format; * certificate-based data signing using SHA1 with RSA algorithms and PKCS#1 or...
http://www.eldos.com/files/sbb/secbboxeval.zip - 16Mb - Download

AlphaPeeler Professional
AlphaPeeler is a powerful tool for learning Cryptography and is used as educational tool at the faculty of Computer Engineering, SSUET. Students can easily learn frequency analysis and ciphers like Monoalphabetic substitution, Caesar and Transposition. ... 1) also includes DES, Gzip/Gunzip, MD5, SHA-1, SHA-256, RIPEMD-16, RSA key generation, RSA crypto, RSA signature & validation, and generation of secret share files. ... , it keeps circulating no mater how many times user click right shift or left shift.
http://free.7host07.com/alphapeeler/AlphaPeeler.exe - 2Mb - Download - Screenshot

PDFBlackbox (.NET)
PDFBlackbox. NET is a comprehensive collection of managed components that help you encrypt, sign and compress PDF documents from your . NET Framework applications. Both symmetric and certificate-based (X. 509) encryption and signing is supported. PDFBlackbox supports full range of PDF security... 0, Mono (1. ... 1 or 2. ... NET Framework 1. ... It requires . ... 0 or 2. ... 0). ... NET CF (1. ... 0) or . ... NET, C#Builder. ... NET edition, which can be integrated into Visual Studio 2003, Visual Studio 2005 , Borland Delphi 8 and Delphi 2005-2006 /.
http://www.eldos.com/files/sbb/secbboxnet.zip - 9Mb - Download

NCP Secure Entry CE Client
NCP Secure Entry Client for communication with any IPSec gateway (compatibility list at http://www. ncp. de). The Client runs on Windows CE devices, Mobile 5 also supported. Any wireless networks can be used as communication media: The Internet, WiFi, GSM, GPRS, UMTS. ... The latest encryption algorithms protect sensitive data in transit: 3-DES 112, 168 bits, Blowfish 128, 448 bits, AES 128, 192, 256 bits, RSA 1024, 2048 bits. ... The user can optionally authenticate to the destination gateway via OTP (RSA SecurID Ready), or certificates (soft certificates, smart cards, MMC) in a PKI.
ftp://ftp2.ncp.de/products/ncp/secentcl/bin/wince/SecEntCE.zip - 4Mb - Download - Screenshot