Update warnings in cipher.h
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/include/mbedtls/cipher.h b/include/mbedtls/cipher.h
index e09bd92..0421f81 100644
--- a/include/mbedtls/cipher.h
+++ b/include/mbedtls/cipher.h
@@ -71,16 +71,16 @@
/**
* \brief Supported cipher types.
*
- * \warning DES is considered weak cipher and its use
- * constitutes a security risk. Arm recommends considering stronger
+ * \warning DES/3DES are considered weak ciphers and their use
+ * constitutes a security risk. We recommend considering stronger
* ciphers instead.
*/
typedef enum {
MBEDTLS_CIPHER_ID_NONE = 0, /**< Placeholder to mark the end of cipher ID lists. */
MBEDTLS_CIPHER_ID_NULL, /**< The identity cipher, treated as a stream cipher. */
MBEDTLS_CIPHER_ID_AES, /**< The AES cipher. */
- MBEDTLS_CIPHER_ID_DES, /**< The DES cipher. */
- MBEDTLS_CIPHER_ID_3DES, /**< The Triple DES cipher. */
+ MBEDTLS_CIPHER_ID_DES, /**< The DES cipher. \warning DES is considered weak. */
+ MBEDTLS_CIPHER_ID_3DES, /**< The Triple DES cipher. \warning 3DES is considered weak. */
MBEDTLS_CIPHER_ID_CAMELLIA, /**< The Camellia cipher. */
MBEDTLS_CIPHER_ID_ARIA, /**< The Aria cipher. */
MBEDTLS_CIPHER_ID_CHACHA20, /**< The ChaCha20 cipher. */