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Added reference to platform specific cryptographic acceleration such as AES-NI

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Jeffrey Walton 2014-07-05 22:39:08 +01:00 committed by Matt Caswell
parent fd9e244370
commit 75b7606881
1 changed files with 4 additions and 1 deletions
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5
doc/crypto/EVP_EncryptInit.pod
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@ -434,7 +434,10 @@ for AES.
Where possible the B<EVP> interface to symmetric ciphers should be used in
preference to the low level interfaces. This is because the code then becomes
transparent to the cipher used and much more flexible.
transparent to the cipher used and much more flexible. Additionally, the
B<EVP> interface will ensure the use of platform specific cryptographic
acceleration such as AES-NI (the low level interfaces do not provide the
guarantee).
PKCS padding works by adding B<n> padding bytes of value B<n> to make the total
length of the encrypted data a multiple of the block size. Padding is always