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NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 942 -
Revision V1.30
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Figure 5.27-8 CBC-CS1 Encryption
The figure below illustrates the CBC-CS1-Decrypt algorithm for the case that C
n-1
*
is a partial block.
Figure 5.27-9 CBC-CS1 Decryption
CBC Ciphertext-Stealing 2 Mode (CBC-CS2):
When
P
n
*
is a partial block, then CBC-CS2-Encrypt and CBC-CS1-Encrypt differ only in the ordering of
C
n-1
*
and
C
n
..