Inventor
EHRSAM WILLIAM F
US5 patents
Patents
5 patentsUS4238854ADec 9, 1980
Cryptographic file security for single domain networks
IBM237 citations98
US4238853ADec 9, 1980
Cryptographic communication security for single domain networks
IBM194 citations97
US4203166AMay 13, 1980
Cryptographic file security for multiple domain networks
IBM264 citations97
US4227253AOct 7, 1980
Cryptographic communication security for multiple domain networks
IBM183 citations96
US4386234AMay 31, 1983
Cryptographic communication and file security using terminals
IBM84 citations95