| Patent Number |
Title Of Patent |
Date Issued |
| RE38070 |
Cryptography system and method for providing cryptographic services for a computer application |
April 8, 2003 |
| A cryptography system architecture provides cryptographic functionality to support an application requiring encryption. decryption, signing, and verification of electronic messages. The cryptography system has a cryptographic application program interface (CAPI) which interfaces with |
| 6560581 |
System and method for secure electronic commerce transaction |
May 6, 2003 |
| An electronic commerce system facilitates secure electronic commerce transactions among multiple participants. Each electronic commerce transaction involves at least one commerce document defining the transaction and at least one commerce instrument defining a payment for the transac |
| 5790677 |
System and method for secure electronic commerce transactions |
August 4, 1998 |
| An electronic commerce system facilitates secure electronic commerce transactions among multiple participants. Each electronic commerce transaction involves at least one commerce document defining the transaction and at least one commerce instrument defining a payment for the transac |
| 5764768 |
Blind encryption |
June 9, 1998 |
| A method of processing encrypted communications sent by a first party, the method including the steps of: receiving from the first party a message that has a first part, a second part, a third part and a fourth part, wherein the first part includes a first block of information that is |
| 5761311 |
Blind encryption |
June 2, 1998 |
| A method of processing encrypted communications sent by a first party, the method including the steps of: receiving from the first party a message that has a first part, a second part, a third part and a fourth part, wherein the first part includes a first block of information that is |
| 5689565 |
Cryptography system and method for providing cryptographic services for a computer application |
November 18, 1997 |
| A cryptography system architecture provides cryptographic functionality to support an application requiring encryption, decryption, signing, and verification of electronic messages. The cryptography system has a cryptographic application program interface (CAPI) which interfaces with |
| 5680458 |
Root key compromise recovery |
October 21, 1997 |
| A method of recovering from a compromise of a root key which is the private key of a first public key-private key pair, the method including the steps of electronically sending out an emergency message indicating that the root key has been compromised and also containing a replacement ke |
| 5638445 |
Blind encryption |
June 10, 1997 |
| A method of processing encrypted communications sent by a first party, the method including the steps of: receiving from the first party a message that has a first part, a second part, a third part and a fourth part, wherein the first part includes a first block of information that is |
