Inverse Cipher Operation/Inverse Transformation: Difference between revisions
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Revision as of 01:42, 15 January 2026
Inverse Cipher Operation/Inverse Transformation
The block cipher algorithm function that is the inverse of the forward cipher function. The term “inverse cipher operation” is used for TDEA, while the term “inverse transformation” is used for DEA.
Source: NIST SP 800-67 Rev. 2 | Category: