1 files changed, 41 insertions, 0 deletions
diff --git a/crypto/ext4crypt/e4policyget.cpp b/crypto/ext4crypt/e4policyget.cpp
new file mode 100644
index 000000000..05de86fe7
--- /dev/null
+++ b/crypto/ext4crypt/e4policyget.cpp
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2016 Team Win Recovery Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "ext4crypt_tar.h"
+
+#define EXT4_KEY_DESCRIPTOR_SIZE 8
+#define EXT4_KEY_DESCRIPTOR_SIZE_HEX 17
+
+int main(int argc, char *argv[]) {
+	bool ret = false;
+	if (argc != 2) {
+		printf("Must specify a path\n");
+		return -1;
+	} else  {
+		ext4_encryption_policy eep;
+		if (e4crypt_policy_get_struct(argv[1], &eep, sizeof(eep))) {
+			char policy_hex[EXT4_KEY_DESCRIPTOR_SIZE_HEX];
+			policy_to_hex(eep.master_key_descriptor, policy_hex);
+			printf("%s\n", policy_hex);
+		} else {
+			printf("No policy set\n");
+		}
+	}
+	return 0;
+}