Digital Signature Standard (DSS)

Any technique designed to provide the electronic equivalent of a handwritten signature to demonstrate the origin and integrity of specific data. Digital signatures are an example of electronic signatures. See digital signature.
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Security measure designed to establish the validity of a transmission, message, or originator, or a means of verifying an individual's authorization to receive specific categories of information. The act of identifying or verifying the eligibility of a station, originator, or individual to access specific categories of information. Typically, a measure designed to protect against fraudulent transmissions by establishing the validity of a transmission, message, station, or originator. The process of verifying or testing that the identity claimed by a subject is valid.
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The version of the MD algorithm released in 1991. MD5 processes 512-bit blocks of the message, using four distinct rounds of computation to produce a digest of the same length as the MD2 and MD4 algorithms (128 bits). Generally has been replaced by SHA-1 or other, more modern hashing algorithms.
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Similar to hash total checking, but instead of verifying content integrity, it involves verifying packet or message sequence integrity.
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An end-to-end encryption technique. This suite of programs provides encrypted alternatives to common Internet applications such as FTP, Telnet, and rlogin. There are two versions of SSH. SSH1 supports the DES, 3DES, IDEA, and Blowfish algorithms. SSH2 drops support for DES and IDEA but adds support for several other algorithms.
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