发明名称 |
Techniques for synchronizing and archive-versioning of encrypted files |
摘要 |
Techniques are presented for synchronizing and archive-versioning encrypted files. Blocks of encrypted data are managed and metadata is maintained for the blocks. The metadata identifies a maximum number of blocks and an index or parameter string. The string includes transaction identifiers and relative block numbers. The metadata is used as parameter information to a hash algorithm along with a hash key to acquire a unique initialization vector for each block. Each initialization vector when supplied to a cipher service along with a particular block of data produces an encrypted version of the data supplied or supplies a decrypted version of the data supplied. The techniques are also applied to files being archived and versioned from a storage volume.
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申请公布号 |
US2009006869(A1) |
申请公布日期 |
2009.01.01 |
申请号 |
US20070973115 |
申请日期 |
2007.10.05 |
申请人 |
SATYA SUDHAKAR GOSUKONDA NAGA VENKATA |
发明人 |
SATYA SUDHAKAR GOSUKONDA NAGA VENKATA |
分类号 |
H04L9/28;G06F12/14;G06F21/00 |
主分类号 |
H04L9/28 |
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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