Invention Grant
- Patent Title: On-chip storage, creation, and manipulation of an encryption key
- Patent Title (中): 加密密钥的片上存储，创建和操作
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Application No.: US14026857Application Date: 2013-09-13
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Publication No.: US09552498B2Publication Date: 2017-01-24
- Inventor: Herbert A. Little , Jerrold R. Randell , Richard C. Madter , Ryan J. Hickey , Andrew A. Fergusson
- Applicant: BlackBerry Limited
- Applicant Address: CA Waterloo
- Assignee: BlackBerry Limited
- Current Assignee: BlackBerry Limited
- Current Assignee Address: CA Waterloo
- Agency: Rowand LLP
- Main IPC: H04L9/08
- IPC: H04L9/08 ; G06F21/64 ; G06F21/72 ; G06F21/79 ; G06F21/85 ; G06F12/14
Abstract:
A system and method for encrypting data provides for retrievial of an encryption key; identification of the address in memory of a first portion of the data to be encrypted; derivation of a first unique key from the encryption key and the address of the first portion of data; encryption of the first portion of data using the first unique key; identification of the address in memory of a second portion of data to be encrypted; derivation of a second unique key from the encryption key and the address of the second portion of data; and encryption of the second portion of data using the second unique key.
Public/Granted literature
- US20140013124A1 ON-CHIP STORAGE, CREATION, AND MANIPULATION OF AN ENCRYPTION KEY Public/Granted day:2014-01-09
Information query
