doc improvements in aes and sha256 includes
- Add return value description to the docs of mbedtls_sha256
- Remove description of non-existing "mode" parameter from the docs of mbedtls_aes_crypt_ctr
Backport of #5105
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/include/mbedtls/sha256.h b/include/mbedtls/sha256.h
index cccd5c4..d01f2eb 100644
--- a/include/mbedtls/sha256.h
+++ b/include/mbedtls/sha256.h
@@ -269,6 +269,9 @@
* a writable buffer of length \c 32 Bytes.
* \param is224 Determines which function to use. This must be either
* \c 0 for SHA-256, or \c 1 for SHA-224.
+ *
+ * \return \c 0 on success.
+ * \return A negative error code on failure.
*/
MBEDTLS_DEPRECATED void mbedtls_sha256( const unsigned char *input,
size_t ilen,