diff options
Diffstat (limited to 'src/block/block_cipher.h')
-rw-r--r-- | src/block/block_cipher.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/block/block_cipher.h b/src/block/block_cipher.h index a5efcfb38..39ae1aab3 100644 --- a/src/block/block_cipher.h +++ b/src/block/block_cipher.h @@ -12,6 +12,15 @@ namespace Botan { /** * This class represents a block cipher object. +* +* It would be very useful to extend this interface to support the +* encryption of multiple blocks at a time. This could help +* performance, wrt cache effects in the software implementations, and +* could be a big deal when supporting block ciphers implemented as +* hardware devices. It could be used by implementations of ECB, and +* more importantly counter mode (which most designs are moving to, due +* to the parallelism possible in counter mode which is not the case +* with feedback-based modes like CBC). */ class BOTAN_DLL BlockCipher : public SymmetricAlgorithm { |