74 lines
3.0 KiB
C
Executable File
74 lines
3.0 KiB
C
Executable File
/*
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* Copyright (C) 2017 Samsung Electronics Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _FSCRYPTO_SDP_DEK_H
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#define _FSCRYPTO_SDP_DEK_H
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#ifdef CONFIG_FSCRYPT_SDP
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struct sdp_info {
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u32 sdp_flags;
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u32 engine_id;
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dek_t sdp_dek;
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spinlock_t sdp_flag_lock;
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};
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// Essential material for set_sensitive operation
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typedef struct _sdp_ess_material {
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struct inode *inode;
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struct fscrypt_key key;
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} sdp_ess_material;
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int fscrypt_sdp_set_sdp_policy(struct inode *inode, int engine_id);
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int fscrypt_sdp_set_sensitive(struct inode *inode, int engine_id, struct fscrypt_key *key);
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int fscrypt_sdp_set_protected(struct inode *inode, int engine_id);
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int fscrypt_sdp_add_chamber_directory(int engine_id, struct inode *inode);
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int fscrypt_sdp_remove_chamber_directory(struct inode *inode);
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int fscrypt_sdp_get_engine_id(struct inode *inode);
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int fscrypt_sdp_inherit_context(struct inode *parent, struct inode *child, struct fscrypt_context *ctx, void *fs_data);
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void fscrypt_sdp_finalize_tasks(struct inode *inode, u8 *raw_key, int key_len);
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struct sdp_info *fscrypt_sdp_alloc_sdp_info(void);
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void fscrypt_sdp_put_sdp_info(struct sdp_info *ci_sdp_info);
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bool fscrypt_sdp_init_sdp_info_cachep(void);
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void fscrypt_sdp_release_sdp_info_cachep(void);
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int fscrypt_sdp_derive_dek(struct fscrypt_info *crypt_info,
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unsigned char *derived_key,
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unsigned int derived_keysize);
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int fscrypt_sdp_derive_uninitialized_dek(struct fscrypt_info *crypt_info,
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unsigned char *derived_key,
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unsigned int derived_keysize);
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int fscrypt_sdp_derive_fekey(struct inode *inode,
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struct fscrypt_info *crypt_info,
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struct fscrypt_key *fek);
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int fscrypt_sdp_derive_fek(struct inode *inode,
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struct fscrypt_info *crypt_info,
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unsigned char *fek, unsigned int fek_len);
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int fscrypt_sdp_store_fek(struct inode *inode,
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struct fscrypt_info *crypt_info,
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unsigned char *fek, unsigned int fek_len);
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int fscrypt_sdp_update_sdp_info(struct inode *inode,
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const struct fscrypt_context *ctx,
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struct fscrypt_info *crypt_info);
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int fscrypt_sdp_is_classified(struct fscrypt_info *crypt_info);
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int fscrypt_sdp_is_uninitialized(struct fscrypt_info *crypt_info);
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int fscrypt_sdp_is_native(struct fscrypt_info *crypt_info);
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int fscrypt_sdp_is_sensitive(struct fscrypt_info *crypt_info);
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int fscrypt_sdp_is_to_sensitive(struct fscrypt_info *crypt_info);
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void fscrypt_sdp_update_conv_status(struct fscrypt_info *crypt_info);
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#endif
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#endif /* _FSCRYPTO_SDP_DEK_H */
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