Pre-Grant Publication Number: 20070160202
Filing Date: January 11, 2006
Inventors: Andrew Wilt, Michael Kelly
Assignee: International Business Machines Corporation
Current U.S. Classification: 380, 380/030000
View Prior Art for Claim 00012
The cipher system of Claim 11, wherein the instructions are further executed for:
encrypting a first grouping of a first known text segment and a first random text segment with the user data key prior to the encryption of the user data key with the encryption key;
encrypting a second grouping of a second known text segment and a second random text segment with the user data key prior to the encryption of the user data key with the encryption key; and
storing the verification text including the encrypted first grouping of the first known text segment and the first random text segment and the encrypted second grouping of the second known text segment and the second random text segment.
Subject/Title RE: A New Triple-DES Key Wrap Algorithm
Type Email
Description
A discussion of S/MIME's key integrity check security risk due to partially known plaintext from the salt
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