Invention Grant
- Patent Title: Key management for on-the-fly hardware decryption within integrated circuits
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Application No.: US14570611Application Date: 2014-12-15
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Publication No.: US09729319B2Publication Date: 2017-08-08
- Inventor: Joseph C. Circello , David J. Schimke , Mohit Arora , Lawrence L. Case , Rodney D. Ziolkowski
- Applicant: Joseph C. Circello , David J. Schimke , Mohit Arora , Lawrence L. Case , Rodney D. Ziolkowski
- Applicant Address: US TX Austin
- Assignee: NXP USA, Inc.
- Current Assignee: NXP USA, Inc.
- Current Assignee Address: US TX Austin
- Main IPC: H04L9/08
- IPC: H04L9/08 ; H04L9/06 ; G06F21/72

Abstract:
Methods and systems are disclosed for key management for on-the-fly hardware decryption within an integrated circuit. Encrypted information is received from an external memory and stored in an input buffer within the integrated circuit. The encrypted information includes one or more encrypted key blobs. The encrypted key blobs include one or more secret keys for encrypted code associated with one or more encrypted software images stored within the external memory. A key-encryption key (KEK) code for the encrypted key blobs is received from an internal data storage medium within the integrated circuit, and the KEK code is used to generate one or more key-encryption keys (KEKs). A decryption system then decrypts the encrypted key blobs using the KEKs to obtain the secret keys, and the decryption system decrypts the encrypted code using the secret keys. The resulting decrypted software code is then available for further processing.
Public/Granted literature
- US20160173282A1 Key Management For On-The-Fly Hardware Decryption Within Integrated Circuits Public/Granted day:2016-06-16
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