- Fixed const correctness
- Added ctr_drbg_update for non-fixed data lengths
- Fixed void pointer arithmetic
diff --git a/include/polarssl/ctr_drbg.h b/include/polarssl/ctr_drbg.h
index 371e470..01a58e1 100644
--- a/include/polarssl/ctr_drbg.h
+++ b/include/polarssl/ctr_drbg.h
@@ -96,7 +96,7 @@
int ctr_drbg_init( ctr_drbg_context *ctx,
int (*f_entropy)(void *, unsigned char *, size_t),
void *p_entropy,
- unsigned char *custom,
+ const unsigned char *custom,
size_t len );
/**
@@ -142,18 +142,17 @@
* POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED
*/
int ctr_drbg_reseed( ctr_drbg_context *ctx,
- unsigned char *additional, size_t len );
+ const unsigned char *additional, size_t len );
/**
* \brief CTR_DRBG update state
*
* \param ctx CTR_DRBG context
- * \param data Data to update with
- *
- * \return 0 if successful
+ * \param additional Additional data to update state with
+ * \param add_len Length of additional data
*/
-int ctr_drbg_update( ctr_drbg_context *ctx,
- unsigned char data[CTR_DRBG_SEEDLEN] );
+void ctr_drbg_update( ctr_drbg_context *ctx,
+ const unsigned char *additional, size_t add_len );
/**
* \brief CTR_DRBG generate random with additional update input
@@ -172,7 +171,7 @@
*/
int ctr_drbg_random_with_add( void *p_rng,
unsigned char *output, size_t output_len,
- unsigned char *additional, size_t add_len );
+ const unsigned char *additional, size_t add_len );
/**
* \brief CTR_DRBG generate random