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051e5c3739
Add two new variables:
file_key_management_digest={sha1|sha224|sha256|sha384|sha512}
This specify the digest function to use in key derivation of the key
used for decryption of the keyfile.
file_key_management_use_pbkdf2=N
This specify whether pbkdf2 is used in the key derivation, and if
so (N != 0), how many iterations.
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/* Copyright (C) 2014 eperi GmbH.
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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 02110-1335 USA */
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/******************************************************************//**
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@file Parser.h
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A structure and class to keep keys for encryption/decryption.
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Created 09/15/2014
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***********************************************************************/
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#include <my_crypt.h>
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#include <ctype.h>
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#include <map>
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#include <stdlib.h> /* size_t */
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struct keyentry {
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unsigned int id;
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unsigned char key[MY_AES_MAX_KEY_LENGTH];
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unsigned int length;
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};
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class Parser
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{
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const char *filename;
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const char *filekey;
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const enum my_digest digest;
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const uint use_pbkdf2;
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unsigned int line_number;
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unsigned int from_hex(char c)
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{ return c <= '9' ? c - '0' : tolower(c) - 'a' + 10; }
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bool read_filekey(const char *filekey, char *secret);
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bool parse_file(std::map<unsigned int ,keyentry> *keys, const char *secret);
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void report_error(const char *reason, size_t position);
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int parse_line(char **line_ptr, keyentry *key);
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char* read_and_decrypt_file(const char *secret);
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public:
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Parser(const char* fn, const char *fk, enum my_digest digest,
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uint use_pbkdf2) :
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filename(fn), filekey(fk), digest(digest), use_pbkdf2(use_pbkdf2),
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line_number(0) { }
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bool parse(std::map<unsigned int ,keyentry> *keys);
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};
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