Invention Grant
US08566617B1 System and method for securely storing cryptographic keys with encrypted data
有权
用加密数据安全地存储加密密钥的系统和方法
- Patent Title: System and method for securely storing cryptographic keys with encrypted data
- Patent Title (中): 用加密数据安全地存储加密密钥的系统和方法
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Application No.: US13270037Application Date: 2011-10-10
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Publication No.: US08566617B1Publication Date: 2013-10-22
- Inventor: Thomas G. Clifford
- Applicant: Thomas G. Clifford
- Applicant Address: US CA Mountain View
- Assignee: Symantec Operating Corporation
- Current Assignee: Symantec Operating Corporation
- Current Assignee Address: US CA Mountain View
- Agency: Campbell Stephenson LLP
- Main IPC: G06F12/14
- IPC: G06F12/14

Abstract:
The payload of a set of storage devices is encrypted using a payload key that is stored within the set of storage devices itself. However, the payload key is obtainable only if a user has access to n of the storage devices. A first set of keys can be distributed among a set of n storage devices, such that each key is usable to encrypt and/or decrypt a key stored on a different one of the n storage devices. The first set of keys is usable to encrypt portions of the information needed to regenerate another key (e.g., the payload key or a key used to encrypt the payload key). A different portion of the information needed to regenerate the other key is stored on each of the n storage devices. Accordingly, the other key cannot be obtained unless the user has access to all n storage devices.
Public/Granted literature
- US2182307A Lock Public/Granted day:1939-12-05
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