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72 lines
3.0 KiB
C
72 lines
3.0 KiB
C
#ifndef MYSQL_SERVICE_ENCRYPTION_KEYS_INCLUDED
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/* Copyright (c) 2015, MariaDB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/**
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@file
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encryption keys service
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Functions to get encryption keys from the encryption plugin
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define BAD_ENCRYPTION_KEY_VERSION (~(unsigned int)0)
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#define KEY_BUFFER_TOO_SMALL (100)
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typedef int (*encrypt_decrypt_func)(const unsigned char* src, unsigned int slen,
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unsigned char* dst, unsigned int* dlen,
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const unsigned char* key, unsigned int klen,
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const unsigned char* iv, unsigned int ivlen,
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int no_padding, unsigned int key_version);
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struct encryption_keys_service_st {
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unsigned int (*get_latest_encryption_key_version_func)();
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unsigned int (*has_encryption_key_func)(unsigned int);
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unsigned int (*get_encryption_key_func)(unsigned int, unsigned char*, unsigned int*);
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encrypt_decrypt_func encrypt_data_func;
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encrypt_decrypt_func decrypt_data_func;
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};
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#ifdef MYSQL_DYNAMIC_PLUGIN
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extern struct encryption_keys_service_st *encryption_keys_service;
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#define get_latest_encryption_key_version() encryption_keys_service->get_latest_encryption_key_version_func()
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#define has_encryption_key(V) encryption_keys_service->has_encryption_key_func(V)
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#define get_encryption_key(V,K,S) encryption_keys_service->get_encryption_key_func((V), (K), (S))
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#define encrypt_data(S,SL,D,DL,K,KL,I,IL,NP,KV) encryption_keys_service->encrypt_data_func(S,SL,D,DL,K,KL,I,IL,NP,KV)
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#define decrypt_data(S,SL,D,DL,K,KL,I,IL,NP,KV) encryption_keys_service->decrypt_data_func(S,SL,D,DL,K,KL,I,IL,NP,KV)
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#else
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extern struct encryption_keys_service_st encryption_keys_handler;
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#define get_latest_encryption_key_version() encryption_keys_handler.get_latest_encryption_key_version_func()
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#define has_encryption_key(V) encryption_keys_handler.has_encryption_key_func(V)
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#define get_encryption_key(V,K,S) encryption_keys_handler.get_encryption_key_func((V), (K), (S))
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#define encrypt_data(S,SL,D,DL,K,KL,I,IL,NP,KV) encryption_keys_handler.encrypt_data_func(S,SL,D,DL,K,KL,I,IL,NP,KV)
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#define decrypt_data(S,SL,D,DL,K,KL,I,IL,NP,KV) encryption_keys_handler.decrypt_data_func(S,SL,D,DL,K,KL,I,IL,NP,KV)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#define MYSQL_SERVICE_ENCRYPTION_KEYS_INCLUDED
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#endif
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