psa: Export "internally" mbedtls_cipher_info_from_psa
Export "internally" mbedtls_cipher_info_from_psa to be
able to use it in psa_crypto_cipher.c.
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 3c8b97d..94d0c05 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -2310,7 +2310,7 @@
/* MAC */
/****************************************************************/
-static const mbedtls_cipher_info_t *mbedtls_cipher_info_from_psa(
+const mbedtls_cipher_info_t *mbedtls_cipher_info_from_psa(
psa_algorithm_t alg,
psa_key_type_t key_type,
size_t key_bits,
diff --git a/library/psa_crypto_core.h b/library/psa_crypto_core.h
index ec7ac80..f949c71 100644
--- a/library/psa_crypto_core.h
+++ b/library/psa_crypto_core.h
@@ -212,6 +212,22 @@
*/
psa_status_t mbedtls_to_psa_error( int ret );
+/** Get Mbed TLS cipher information given the cipher algorithm PSA identifier
+ * as well as the PSA type and size of the key to be used with the cipher
+ * algorithm.
+ *
+ * \param alg PSA cipher algorithm identifier
+ * \param key_type PSA key type
+ * \param key_bits Size of the key in bits
+ * \param[out] cipher_id Mbed TLS cipher algorithm identifier
+ *
+ * \return The Mbed TLS cipher information of the cipher algorithm.
+ * \c NULL if the PSA cipher algorithm is not supported.
+ */
+const mbedtls_cipher_info_t *mbedtls_cipher_info_from_psa(
+ psa_algorithm_t alg, psa_key_type_t key_type, size_t key_bits,
+ mbedtls_cipher_id_t *cipher_id );
+
/** Import a key in binary format.
*
* \note The signature of this function is that of a PSA driver