METHOD FOR GENERATING ENCRYPTION-DECRYPTION KEY Russian patent published in 2004 - IPC

FIELD: electrical communications and computer engineering; cryptographic data conversion. SUBSTANCE: method involves generation of two binary vectors of a and p numbers, p being prime number and p≥2ⁿ-1, where n is key length in bits; transmission of binary vectors of numbers a and p to each network user over unprotected communication channel of network; independent generation of private keys by each of network users and generation of public keys by network users by converting binary vectors of private key and a and p numbers; transmission of public keys over unprotected communication channel to all other network users and generation of common private key by network user for communication with other network user by converting binary vectors of own private key and public key of other network user. EFFECT: enhanced speed of encryption-decryption key generation process; enhanced encryption speed. 1 cl, 1 dwg