US Patent 8634549 Ciphertext key chaining
Patent 8634549 was granted and assigned to Red Hat on January, 2014 by the United States Patent and Trademark Office.
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Patent abstract
Some embodiments of a method and apparatus for encrypting and decrypting data have been presented. In one embodiment, a current key is generated from a prior ciphertext block and another key, which may include a prior key used to encipher the prior ciphertext block or an initialization vector. Then a current plaintext block is enciphered using the current key to generate a current ciphertext block.
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Patent Inventor Names
James Paul Schneider0
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US Patent 08634549 Ciphertext key chaining US Patent 8634549 Ciphertext key chaining
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Patent Number
08634549
Patent Number
8634549
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Official Website
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US Patent 08634549 Ciphertext key chaining
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Is a
Current assignee
Patent jurisdiction
Patent number
08634549
Date of patent
January 21, 2014
Patent application number
12116485
Date Filed
May 7, 2008
Patent primary examiner
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