psa: programs: Add cipher example fallback main
When dependencies are missing, print an error message from the example
about missing dependencies at run-time.
} \
} while ( 0 )
+#if !defined(MBEDTLS_PSA_CRYPTO_C) || !defined(MBEDTLS_AES_C) || \
+ !defined(MBEDTLS_CIPHER_MODE_CBC) || !defined(MBEDTLS_CIPHER_MODE_CTR) || \
+ !defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
+int main( void )
+{
+ mbedtls_printf( "MBEDTLS_PSA_CRYPTO_C and/or MBEDTLS_AES_C and/or "
+ "MBEDTLS_CIPHER_MODE_CBC and/or MBEDTLS_CIPHER_MODE_CTR "
+ "and/or MBEDTLS_CIPHER_MODE_WITH_PADDING "
+ "not defined.\r\n" );
+ return( 0 );
+}
+#else
+
/* Use key slot 1 for our cipher key. Key slot 0 is reserved as unused. */
static const psa_key_slot_t key_slot_cipher = 1;
@@ -314,3 +327,5 @@ exit:
mbedtls_psa_crypto_free( );
return( 0 );
}
+#endif /* MBEDTLS_PSA_CRYPTO_C && MBEDTLS_AES_C && MBEDTLS_CIPHER_MODE_CBC &&
+ MBEDTLS_CIPHER_MODE_CTR && MBEDTLS_CIPHER_MODE_WITH_PADDING */
