Add zero padding
diff --git a/include/polarssl/cipher.h b/include/polarssl/cipher.h
index b520d92..cf149f6 100644
--- a/include/polarssl/cipher.h
+++ b/include/polarssl/cipher.h
@@ -105,9 +105,10 @@
} cipher_mode_t;
typedef enum {
- POLARSSL_PADDING_PKCS7 = 0, /**< PKCS7 padding (default) */
- POLARSSL_PADDING_ONE_AND_ZEROS, /**< ISO/IEC 7816-4 padding */
- POLARSSL_PADDING_ZEROS_AND_LEN, /**< ANSI X.923 padding */
+ POLARSSL_PADDING_PKCS7 = 0, /**< PKCS7 padding (default) */
+ POLARSSL_PADDING_ONE_AND_ZEROS, /**< ISO/IEC 7816-4 padding */
+ POLARSSL_PADDING_ZEROS_AND_LEN, /**< ANSI X.923 padding */
+ POLARSSL_PADDING_ZEROS, /**< zero padding (not reversible!) */
} cipher_padding_t;
typedef enum {