Patent ID: 8681996
Filing Date: 2014-03-25
Classification: H04L

Abstract:
1. A method of asymmetric key wrapping in a system, comprising the steps of: (A) transferring a first key from a storage in said system to a cipher in said system while in a first of a plurality of modes, wherein (i) an operation of said cipher utilizes a second key, (ii) said cipher is selectable between an encryption and a decryption as determined by a first signal and (iii) said first signal selects said modes; (B) receiving a second signal into said system, said second signal carrying a third key in an unencrypted form; (C) generating a fourth key by encrypting said third key with said cipher using said first key as said second key while said system is in said first mode; and (D) presenting a third signal external to said system while said system is in said first mode, said third signal carrying said fourth key.