U.S. Patent Number 6,981,148, December 2005
Trevor Jim and Carl A. Gunter
Method for Integrating Online and Offline Cryptographic Signatures and Providing Secure Revocation
Last updated on Monday, November 28, 2011, 12:25 pm
U.S. Patent Number 6,981,148, December 2005
Trevor Jim and Carl A. Gunter
Method for Integrating Online and Offline Cryptographic Signatures and Providing Secure Revocation
Last updated on Monday, November 28, 2011, 12:25 pm