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In cryptography, encryption is the process of obscuring information to make it unreadable without special knowledge. While encryption has been used to protect communications for centuries, only organizations and individuals with an extraordinary need for secrecy had made use of it. In the mid-1970s, strong encryption emerged from the sole preserve of secretive government agencies into the public domain, and is now employed in protecting widely-used systems, such as Internet e-commerce, mobile telephone networks and bank automatic teller machines.

Encryption can be used to ensure secrecy, but other techniques are still needed to make communications secure, particularly to verify the integrity and authenticity of a message; for example, a message authentication code (MAC) or digital signatures. Another consideration is protection against traffic analysis.

Encryption or software code obfuscation is also used in software copy protection against reverse engineering, unauthorized application analysis, cracks and software piracy used in different encryption or obfuscating software

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Aliroo - Developer of enterprise information security and content assurance management solutions using encryption and digital signatures.
Meta Description: [ Aliroo Ltd - Easy–to-use Secure encrypted Email Solutions to deliver confidential information. Includes Automatic e-mail Encryption; Automatic e-mail Virus and Malicious codes Protection; Anti-Spam services; Content Filtering; digital signing. ]

ArticSoft - Signing and encryption software for web pages, documents and files.
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AWAY32 - Encryption with viewer and digital signature that keeps pictures, data, and text private.
Meta Description: [ If you have pictures, data or text that you must hide, the Easiest and Fastest way is Away RJN professional. You can even view Encrypted pictures. Picture Encryption. All types; gif, jpg, wmf, emf, mpeg, rm encryption, encryption program, hide pictures, hiding pictures, Picture Encryption. hide ... ]

CHAOS' doors - CHAOS' doors can compress the files and folders before encrypting them, giving additional security to your information.
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CipherPack - CipherPack compresses and enciphers files using industrial strength cryptographic techniques and then 'packs' them with the decompression and deciphering code. Use as a standalone utility or anti-piracy software.
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Cryptomathic File2File - An easy-to-use password based file encryption solution for the Windows platform. It is free for private use.
Meta Description: [ Cryptomathic File2File is an easy-to-use encryption solution, which enables users to secure data for personal storage as well as for exchange between colleagues, partners, customers or personal relations. ]

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Meta Description: [ Cryptosystem ME6 is a Windows program for the encryption and decryption of single files or multiple files (in multiple folders) for secure storage or transmission. It uses a symmetric key encryption method with a 500-bit key for security, and has numerous safeguards against possible user error. ]

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