Use bit-fields
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/include/mbedtls/cipher.h b/include/mbedtls/cipher.h
index be8e3be..95bdf2d 100644
--- a/include/mbedtls/cipher.h
+++ b/include/mbedtls/cipher.h
@@ -275,10 +275,10 @@
/** Full cipher identifier. For example,
* MBEDTLS_CIPHER_AES_256_CBC.
*/
- mbedtls_cipher_type_t MBEDTLS_PRIVATE(type);
+ mbedtls_cipher_type_t MBEDTLS_PRIVATE(type) : 7;
/** The cipher mode. For example, MBEDTLS_MODE_CBC. */
- mbedtls_cipher_mode_t MBEDTLS_PRIVATE(mode);
+ mbedtls_cipher_mode_t MBEDTLS_PRIVATE(mode) : 4;
/** The cipher key length, in bits. This is the
* default length for variable sized ciphers.
@@ -299,10 +299,10 @@
* MBEDTLS_CIPHER_VARIABLE_KEY_LEN indicating whether the
* cipher supports variable IV or variable key sizes, respectively.
*/
- uint8_t MBEDTLS_PRIVATE(flags);
+ uint8_t MBEDTLS_PRIVATE(flags) : 2;
- /** The block size, in Bytes. */
- uint8_t MBEDTLS_PRIVATE(block_size);
+ /** The block size, in bytes. */
+ uint8_t MBEDTLS_PRIVATE(block_size) : 5;
/** Struct for base cipher information and functions. */
const mbedtls_cipher_base_t *MBEDTLS_PRIVATE(base);