Add comment showing likely future API for multi-block encryption in BlockCipher

1 files changed, 6 insertions, 0 deletions

diff --git a/src/block/block_cipher.h b/src/block/block_cipher.h
index 39ae1aab3..61d3c87d9 100644
--- a/src/block/block_cipher.h
+++ b/src/block/block_cipher.h
@@ -21,6 +21,12 @@ namespace Botan {
 * 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).
+*
+* Probable future API here:
+* virtual void encrypt_n(const byte in[], byte out[],
+*                        u32bit blocks) const = 0;
+* virtual void decrypt_n(const byte in[], byte out[],
+*                        u32bit blocks) const = 0;
 */
 class BOTAN_DLL BlockCipher : public SymmetricAlgorithm
    {