114 lines
4.9 KiB
C
114 lines
4.9 KiB
C
/*
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Copyright (c) 2014 Anton Titov.
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Copyright (c) 2014 pCloud Ltd. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met: Redistributions of source code must retain the above
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copyright notice, this list of conditions and the following
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disclaimer. Redistributions in binary form must reproduce the
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above copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution. Neither the name of pCloud Ltd nor the
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names of its contributors may be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL pCloud
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Ltd BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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DAMAGE.
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*/
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#ifndef _PCLOUD_CRYPTO_H
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#define _PCLOUD_CRYPTO_H
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#include "papi.h"
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#include "pcrypto.h"
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#include "pfsfolder.h"
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#include "psynclib.h"
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#define PSYNC_CRYPTO_SYM_FLAG_ISDIR 1
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#define PSYNC_CRYPTO_SECTOR_SIZE 4096
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#define PSYNC_CRYPTO_MAX_ERROR 511
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#define PSYNC_CRYPTO_UNLOADED_SECTOR_ENCODER \
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((psync_crypto_aes256_sector_encoder_decoder_t)(PSYNC_CRYPTO_MAX_ERROR + 1))
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#define PSYNC_CRYPTO_LOADING_SECTOR_ENCODER \
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((psync_crypto_aes256_sector_encoder_decoder_t)(PSYNC_CRYPTO_MAX_ERROR + 2))
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#define PSYNC_CRYPTO_FAILED_SECTOR_ENCODER \
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((psync_crypto_aes256_sector_encoder_decoder_t)(PSYNC_CRYPTO_MAX_ERROR + 3))
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void psync_cloud_crypto_clean_cachef();
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int psync_cloud_crypto_setup(const char *password, const char *hint);
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int psync_cloud_crypto_get_hint(char **hint);
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int psync_cloud_crypto_start(const char *password);
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int psync_cloud_crypto_stop();
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int psync_cloud_crypto_isstarted();
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int psync_cloud_crypto_reset();
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int psync_cloud_crypto_mkdir(psync_folderid_t folderid, const char *name,
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const char **err, psync_folderid_t *newfolderid);
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void psync_cloud_crypto_clean_cache();
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psync_crypto_aes256_text_decoder_t
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psync_cloud_crypto_get_folder_decoder(psync_fsfolderid_t folderid);
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void psync_cloud_crypto_release_folder_decoder(
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psync_fsfolderid_t folderid, psync_crypto_aes256_text_decoder_t decoder);
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char *
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psync_cloud_crypto_decode_filename(psync_crypto_aes256_text_decoder_t decoder,
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const char *name);
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psync_crypto_aes256_text_encoder_t
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psync_cloud_crypto_get_folder_encoder(psync_fsfolderid_t folderid);
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void psync_cloud_crypto_release_folder_encoder(
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psync_fsfolderid_t folderid, psync_crypto_aes256_text_encoder_t encoder);
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char *
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psync_cloud_crypto_encode_filename(psync_crypto_aes256_text_encoder_t encoder,
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const char *name);
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psync_crypto_aes256_sector_encoder_decoder_t
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psync_cloud_crypto_get_file_encoder(psync_fsfileid_t fileid, uint64_t hash,
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int nonetwork);
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psync_crypto_aes256_sector_encoder_decoder_t
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psync_cloud_crypto_get_file_encoder_from_binresult(psync_fileid_t fileid,
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binresult *res);
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void psync_cloud_crypto_release_file_encoder(
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psync_fsfileid_t fileid, uint64_t hash,
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psync_crypto_aes256_sector_encoder_decoder_t encoder);
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char *psync_cloud_crypto_get_file_encoded_key(psync_fsfileid_t fileid,
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uint64_t hash, size_t *keylen);
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char *psync_cloud_crypto_get_new_encoded_key(uint32_t flags, size_t *keylen);
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char *
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psync_cloud_crypto_get_new_encoded_and_plain_key(uint32_t flags, size_t *keylen,
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psync_symmetric_key_t *deckey);
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static inline int psync_crypto_is_error(const void *ptr) {
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return (uintptr_t)ptr <= PSYNC_CRYPTO_MAX_ERROR;
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}
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static inline int psync_crypto_to_error(const void *ptr) {
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return -((int)(uintptr_t)ptr);
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}
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int psync_crypto_change_passphrase(const char *oldpassphrase,
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const char *newpassphrase, uint32_t flags,
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char **privenc, char **sign);
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int psync_crypto_change_passphrase_unlocked(const char *newpassphrase,
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uint32_t flags, char **privenc,
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char **sign);
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#endif
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