PSA: Adapt cipher.c, pk.c, pk_wrap.c to new key slot allocation API

Author: Hanno Becker

library/cipher.c

@@ -308,7 +308,7 @@ int mbedtls_cipher_setkey( mbedtls_cipher_context_t *ctx,
             return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
 
         /* Allocate a key slot to use. */
-        status = psa_allocate_key( key_type, key_bitlen, &cipher_psa->slot );
+        status = psa_allocate_key( &cipher_psa->slot );
         if( status != PSA_SUCCESS )
             return( MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED );
 

library/pk.c

@@ -576,7 +576,7 @@ int mbedtls_pk_wrap_as_opaque( mbedtls_pk_context *pk,
                                  mbedtls_psa_parse_tls_ecc_group ( curve_id ) );
 
     /* allocate a key slot */
-    if( PSA_SUCCESS != psa_allocate_key( key_type, d_len * 8, &key ) )
+    if( PSA_SUCCESS != psa_allocate_key( &key ) )
         return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
 
     /* set policy */

library/pk_wrap.c

@@ -577,9 +577,7 @@ static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
     psa_sig_md = PSA_ALG_ECDSA( psa_md );
     psa_type = PSA_KEY_TYPE_ECC_PUBLIC_KEY( curve );
 
-    if( ( ret = psa_allocate_key( psa_type,
-                                  MBEDTLS_PSA_ECC_KEY_BITS_OF_CURVE(curve),
-                                  &key_slot ) ) != PSA_SUCCESS )
+    if( ( ret = psa_allocate_key( &key_slot ) ) != PSA_SUCCESS )
           return( mbedtls_psa_err_translate_pk( ret ) );
 
     psa_key_policy_init( &policy );