psa: cipher: Include Mbed TLS cipher driver only if necessary
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/include/psa/crypto_builtin_cipher.h b/include/psa/crypto_builtin_cipher.h
index 1c6e4c5..72d3e8d 100644
--- a/include/psa/crypto_builtin_cipher.h
+++ b/include/psa/crypto_builtin_cipher.h
@@ -25,6 +25,17 @@
#include <psa/crypto_driver_common.h>
#include "mbedtls/cipher.h"
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_STREAM_CIPHER) || \
+ defined(MBEDTLS_PSA_BUILTIN_ALG_CTR) || \
+ defined(MBEDTLS_PSA_BUILTIN_ALG_CFB) || \
+ defined(MBEDTLS_PSA_BUILTIN_ALG_OFB) || \
+ defined(MBEDTLS_PSA_BUILTIN_ALG_XTS) || \
+ defined(MBEDTLS_PSA_BUILTIN_ALG_ECB_NO_PADDING) || \
+ defined(MBEDTLS_PSA_BUILTIN_ALG_CBC_NO_PADDING) || \
+ defined(MBEDTLS_PSA_BUILTIN_ALG_CBC_PKCS7)
+#define MBEDTLS_PSA_BUILTIN_CIPHER 1
+#endif
+
typedef struct {
/** Context structure for the Mbed TLS cipher implementation. */
psa_algorithm_t alg;