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80 lines
2.7 KiB
80 lines
2.7 KiB
4 months ago
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/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_VOLD_CRYPTFS_H
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#define ANDROID_VOLD_CRYPTFS_H
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#include <string>
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#include <linux/types.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <cutils/properties.h>
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#include "KeyBuffer.h"
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#include "KeyUtil.h"
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#define CRYPT_FOOTER_OFFSET 0x4000
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/* Return values for cryptfs_crypto_complete */
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#define CRYPTO_COMPLETE_NOT_ENCRYPTED 1
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#define CRYPTO_COMPLETE_ENCRYPTED 0
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#define CRYPTO_COMPLETE_BAD_METADATA (-1)
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#define CRYPTO_COMPLETE_PARTIAL (-2)
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#define CRYPTO_COMPLETE_INCONSISTENT (-3)
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#define CRYPTO_COMPLETE_CORRUPT (-4)
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/* Return values for cryptfs_getfield */
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#define CRYPTO_GETFIELD_OK 0
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#define CRYPTO_GETFIELD_ERROR_NO_FIELD (-1)
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#define CRYPTO_GETFIELD_ERROR_OTHER (-2)
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#define CRYPTO_GETFIELD_ERROR_BUF_TOO_SMALL (-3)
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/* Return values for cryptfs_setfield */
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#define CRYPTO_SETFIELD_OK 0
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#define CRYPTO_SETFIELD_ERROR_OTHER (-1)
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#define CRYPTO_SETFIELD_ERROR_FIELD_TOO_LONG (-2)
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#define CRYPTO_SETFIELD_ERROR_VALUE_TOO_LONG (-3)
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/* Return values for persist_del_key */
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#define PERSIST_DEL_KEY_OK 0
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#define PERSIST_DEL_KEY_ERROR_OTHER (-1)
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#define PERSIST_DEL_KEY_ERROR_NO_FIELD (-2)
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// Exposed for testing only
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int match_multi_entry(const char* key, const char* field, unsigned index);
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int cryptfs_crypto_complete(void);
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int cryptfs_check_passwd(const char* pw);
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int cryptfs_verify_passwd(const char* pw);
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int cryptfs_restart(void);
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int cryptfs_enable(int type, const char* passwd, int no_ui);
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int cryptfs_changepw(int type, const char* newpw);
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int cryptfs_enable_default(int no_ui);
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int cryptfs_setup_ext_volume(const char* label, const char* real_blkdev,
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const android::vold::KeyBuffer& key, std::string* out_crypto_blkdev);
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int cryptfs_getfield(const char* fieldname, char* value, int len);
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int cryptfs_setfield(const char* fieldname, const char* value);
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int cryptfs_mount_default_encrypted(void);
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int cryptfs_get_password_type(void);
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const char* cryptfs_get_password(void);
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void cryptfs_clear_password(void);
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int cryptfs_isConvertibleToFBE(void);
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const android::vold::KeyGeneration cryptfs_get_keygen();
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#endif /* ANDROID_VOLD_CRYPTFS_H */
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