1 files changed, 13 insertions, 0 deletions
diff --git a/src/block/block_cipher.h b/src/block/block_cipher.h
index e97eebf0f..06e8c5cea 100644
--- a/src/block/block_cipher.h
+++ b/src/block/block_cipher.h
@@ -59,8 +59,21 @@ class BOTAN_DLL BlockCipher : public SymmetricAlgorithm
       */
       void decrypt(byte block[]) const { decrypt_n(block, block, 1); }
 
+      /**
+      * Encrypt one or more blocks
+      * @param in the input buffer (multiple of BLOCK_SIZE)
+      * @param out the output buffer (same size as in)
+      * @param blocks the number of blocks to process
+      */
       virtual void encrypt_n(const byte in[], byte out[],
                              u32bit blocks) const = 0;
+
+      /**
+      * Decrypt one or more blocks
+      * @param in the input buffer (multiple of BLOCK_SIZE)
+      * @param out the output buffer (same size as in)
+      * @param blocks the number of blocks to process
+      */
       virtual void decrypt_n(const byte in[], byte out[],
                              u32bit blocks) const = 0;