- Fixed cipher interface for encrypt/decrypt functions
diff --git a/include/polarssl/aes.h b/include/polarssl/aes.h
index 11abc90..61ad457 100644
--- a/include/polarssl/aes.h
+++ b/include/polarssl/aes.h
@@ -27,6 +27,7 @@
#define AES_DECRYPT 0
#define POLARSSL_ERR_AES_INVALID_KEY_LENGTH -0x0800
+#define POLARSSL_ERR_AES_INVALID_INPUT_LENGTH -0x0810
/**
* \brief AES context structure
@@ -72,8 +73,10 @@
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
+ *
+ * \return 0
*/
-void aes_crypt_ecb( aes_context *ctx,
+int aes_crypt_ecb( aes_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] );
@@ -89,8 +92,10 @@
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
+ *
+ * \return 0 if successful, or POLARSSL_ERR_AES_INVALID_INPUT_LENGTH
*/
-void aes_crypt_cbc( aes_context *ctx,
+int aes_crypt_cbc( aes_context *ctx,
int mode,
int length,
unsigned char iv[16],
@@ -107,8 +112,10 @@
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
+ *
+ * \return 0
*/
-void aes_crypt_cfb128( aes_context *ctx,
+int aes_crypt_cfb128( aes_context *ctx,
int mode,
int length,
int *iv_off,