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Elgamal encryption


 

The Elgamal algorithm is an asymmetric key encryption algorithm for public key cryptography which is based on Diffie-Hellman key agreement. It was described by Taher Elgamal in 1984. The Elgamal algorithm is used in the free GNU Privacy Guard software, recent versions of PGP, and other cryptosystems. The Digital Signature Algorithm is a signature scheme is a variant of the ElGamal signature scheme, which should not be confused with the Elgamal algorithm.

See also