Inventor
ROHLAND WILLIAM S
US7 patents
Patents
7 patentsUS5265164ANov 23, 1993
Cryptographic facility environment backup/restore and replication in a public key cryptosystem
IBM294 citations99
US5200999AApr 6, 1993
Public key cryptosystem key management based on control vectors
IBM296 citations99
US5164988ANov 17, 1992
Method to establish and enforce a network cryptographic security policy in a public key cryptosystem
IBM295 citations99
US5142578AAug 25, 1992
Hybrid public key algorithm/data encryption algorithm key distribution method based on control vectors
IBM306 citations99
US5148481ASep 15, 1992
Transaction system security method and apparatus
IBM383 citations97
US5048085ASep 10, 1991
Transaction system security method and apparatus
IBM330 citations97
US5073934ADec 17, 1991
Method and apparatus for controlling the use of a public key, based on the level of import integrity for the key
IBM44 citations92