发明名称 |
APPARATUS AND METHOD FOR CRYPTOGRAPHIC PROTECTION OF DIRECTORIES AND FILES |
摘要 |
A computer readable storage medium includes executable instructions to encrypt a file with a file encryption key to produce an encrypted file. The file encryption key is encrypted with a directory encryption key to produce an encrypted file encryption key. The directory encryption key is encrypted with a public key of a user within a group to produce an encrypted directory encryption key.
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申请公布号 |
US2008175391(A1) |
申请公布日期 |
2008.07.24 |
申请号 |
US20070863165 |
申请日期 |
2007.09.27 |
申请人 |
PGP CORPORATION |
发明人 |
FINKELSTEIN DAVID;PRICE WILLIAM F.;ATKINS DEREK;FINNEY HAROLD |
分类号 |
H04L9/08;G06F12/14;H04L9/30 |
主分类号 |
H04L9/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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