Files
android_bootable_recovery/crypto/fscrypt/fscryptpolicyget.cpp
bigbiff 2e344ab7fb fscrypt: integrate v1 processing into TWRP
Change-Id: I3bf9c14b818f9c3e0570c44c82bf0769fcec907f
2021-05-18 20:35:53 -04:00

48 lines
1.4 KiB
C++
Executable File

/*
* 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 "fscrypt_policy.h"
#include "fscrypt/fscrypt.h"
int main(int argc, char *argv[]) {
if (argc != 2) {
printf("Must specify a path\n");
return -1;
} else {
#ifdef USE_FSCRYPT_POLICY_V1
fscrypt_policy_v1 fep;
#else
fscrypt_policy_v2 fep;
#endif
if (fscrypt_policy_get_struct(argv[1], &fep)) {
#ifdef USE_FSCRYPT_POLICY_V1
char policy_hex[FS_KEY_DESCRIPTOR_SIZE_HEX];
bytes_to_hex(fep.master_key_descriptor, FS_KEY_DESCRIPTOR_SIZE, policy_hex);
#else
char policy_hex[FSCRYPT_KEY_IDENTIFIER_HEX_SIZE];
bytes_to_hex(fep.master_key_identifier, FSCRYPT_KEY_IDENTIFIER_SIZE, policy_hex);
#endif
printf("%s\n", policy_hex);
} else {
printf("No policy set\n");
}
}
return 0;
}