Patent ID: 7142676
Filing Date: 2006-11-28
Classification: H04L

Abstract:
1. A method for securely communicating data comprising: (a) generating cipher text by encrypting data with a first cryptographic key (Ks (b) providing the cipher text to a second party; (c) encrypting the cryptographic key (Ks (d) encrypting the first key package using a third encryption key associated with a third party to produce a double key package; (e) providing, by the first party, the double key package to the second party; (f) communicating, by the second party, the double key package to the third party; and (g) decrypting, in part, the double key package to recover a decryption key for the second party using a third party based decryption key to facilitate mandatory communication between the second party and the third party and decryption of data based on the recovered decryption key.