Move declaration of mbedtls_cipher_info_from_psa into psa_crypto_cipher.h

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>

library/psa_crypto_aead.c

@@ -24,6 +24,7 @@
 
 #include "psa_crypto_aead.h"
 #include "psa_crypto_core.h"
+#include "psa_crypto_cipher.h"
 
 #include <string.h>
 #include "mbedtls/platform.h"

library/psa_crypto_cipher.h

@@ -24,6 +24,22 @@
 #include <mbedtls/cipher.h>
 #include <psa/crypto.h>
 
+/** 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 );
+
 /**
  * \brief Set the key for a multipart symmetric encryption operation.
  *

library/psa_crypto_core.h

@@ -246,22 +246,6 @@ psa_status_t psa_copy_key_material_into_slot( psa_key_slot_t *slot,
  */
 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

library/psa_crypto_mac.c

@@ -24,6 +24,7 @@
 
 #include <psa/crypto.h>
 #include "psa_crypto_core.h"
+#include "psa_crypto_cipher.h"
 #include "psa_crypto_mac.h"
 #include <mbedtls/md.h>