Cryptography – Key management – Having particular key generator
Patent
1997-09-15
1999-12-14
Swann, Tod R.
Cryptography
Key management
Having particular key generator
380 3, 380 4, 380 21, 380 23, 380 49, 380 54, H04L 900, H04K 100, G09C 300
Patent
active
060027703
ABSTRACT:
A method for permitting the secure handling of data between two remote stations firstly involves the generation of an encrypted decryption key which is based on a fingerprint information signal from a user of a first station, a fingerprint information signal from a user of a second station, and a key representing function derived from a random key. The encrypted decryption key is of the type with the property that when it is written to a spatial light modulator (SLM) of an optical correlator, the output of the correlator is similar when input with either one of the fingerprint information signals. The encrypted key is then stored at both stations. Thereafter a message encrypted with the key may be decrypted at either station by retrieving the encrypted key, writing the encrypted key to a filter of an optical correlator, inputting one of the fingerprint information signals to the correlator in order to allow recovery of the decryption key, and applying the decryption key to the encrypted message.
REFERENCES:
patent: 5541994 (1996-07-01), Tomko et al.
patent: 5737420 (1998-04-01), Tomko et al.
Stoianov Alexei
Tomko George J.
Mytec Technologies Inc.
Sayadian Hrayr A.
Swann Tod R.
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