Patent ID: 7912213
Filing Date: 2011-03-22
Classification: H04L

Abstract:
1. An encryption and decryption method for enabling secure communication from a sending party to a receiving party of a message M, using sending party and receiving party computerized devices comprising means for storing and processing data, comprising: the sending party breaking said message into k message blocks M establishing for each distinct message block size b the sending party choosing as sending party encryption keys, S establishing sending party decryption keys S the receiving party independently choosing as receiving party encryption keys, R establishing receiving party decryption keys R the sending party matrix multiplying one or more of the message blocks M the sending party electronically transmitting a message containing said encrypted message block S i M i T i to the receiving party; the receiving party receiving and matrix multiplying said encrypted message block S the receiving party electronically transmitting a message containing said superencrypted message block R the sending party receiving and matrix multiplying said R the sending party electronically transmitting a message containing said encrypted message block R the receiving party receiving and matrix multiplying said R