发明名称 Cryptographic key backup and escrow system
摘要 A system for securely storing application keys is comprised of a database system, a peripheral hardware security module and cryptographic keys, wherein cryptographic keys comprise application keys, intermediate keys and a master key. Application keys are grouped according to characteristic and are associated with a particular intermediate key, which is utilized to scramble and descramble application keys within the associated group. Intermediate keys are associated with the master key, which is utilized to scramble and descramble the intermediate keys. Scrambling and descrambling of keys is performed within the peripheral hardware security module.
申请公布号 US2005138374(A1) 申请公布日期 2005.06.23
申请号 US20040019069 申请日期 2004.12.21
申请人 WACHOVIA CORPORATION 发明人 ZHENG YULIANG;KAUER NEIL K.;BADIA DAVID V.
分类号 H04L9/00;H04L9/08;(IPC1-7):H04L9/00 主分类号 H04L9/00
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