Qore Programming Language 1.19.5
All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Modules Pages
EncryptionTransforms.h
1/* -*- mode: c++; indent-tabs-mode: nil -*- */
2/*
3 EncryptionTransforms.h
4
5 Qore Programming Language
6
7 Copyright (C) 2016 - 2023 Qore Technologies, s.r.o.
8
9 Permission is hereby granted, free of charge, to any person obtaining a
10 copy of this software and associated documentation files (the "Software"),
11 to deal in the Software without restriction, including without limitation
12 the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 and/or sell copies of the Software, and to permit persons to whom the
14 Software is furnished to do so, subject to the following conditions:
15
16 The above copyright notice and this permission notice shall be included in
17 all copies or substantial portions of the Software.
18
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 DEALINGS IN THE SOFTWARE.
26
27 Note that the Qore library is released under a choice of three open-source
28 licenses: MIT (as above), LGPL 2+, or GPL 2+; see README-LICENSE for more
29 information.
30*/
31
32#ifndef _QORE_ENCRYPTIONTRANSFORMS_H
33#define _QORE_ENCRYPTIONTRANSFORMS_H
34
35#include "qore/Transform.h"
36
37#include <openssl/evp.h>
38
39class EncryptionTransforms {
40public:
41 DLLLOCAL static Transform* getCryptoTransform(const char* cipher, bool do_crypt, const char* key,
42 unsigned key_len, const char* iv, unsigned iv_len, const char* mac, unsigned mac_len,
43 unsigned tag_length, const ReferenceNode* mac_ref, const char* aad, unsigned aad_len,
44 ExceptionSink* xsink);
45};
46
47hashdecl CryptoEntry {
48 // the length of the key; 0 = variable length key
49 unsigned key_len;
50 // the OpenSSL cipher type
51 const EVP_CIPHER* cipher_type;
52 // the initialization vector length
53 int iv_len;
54 // does the algorithm use Galois Counter Mode (GCM)?
55 bool gcm;
56 // dos the algorithm support CTS?
57 bool cts;
58
59#ifndef OPENSSL_3_PLUS
60 DLLLOCAL QoreHashNode* getInfo() const;
61#endif
62};
63
64// no need for the crypto or digest maps with openssl 3+
65#ifndef OPENSSL_3_PLUS
66// maps from encryption strings to configurations
67typedef std::map<std::string, CryptoEntry, ltstrcase> crypto_map_t;
68DLLLOCAL extern crypto_map_t crypto_map;
69
70// maps from digest strings to algorithms
71typedef std::map<std::string, const EVP_MD*, ltstrcase> digest_map_t;
72DLLLOCAL extern digest_map_t digest_map;
73#else
74const EVP_CIPHER* q_lookup_cipher(const char* cipher);
75DLLLOCAL QoreHashNode* q_get_cipher_hash(const EVP_CIPHER* c);
76#endif
77
78// init hash for giest encryption transformation constant
79DLLLOCAL QoreHashNode* init_digest_map_hash();
80// init hash for cipher encryption transformation constant
81DLLLOCAL QoreHashNode* init_cipher_map_hash();
82
83#endif // _QORE_ENCRYPTIONTRANSFORMS_H
container for holding Qore-language exception information and also for registering a "thread_exit" ca...
Definition: ExceptionSink.h:50
This is the hash or associative list container type in Qore, dynamically allocated only,...
Definition: QoreHashNode.h:51
parse type: reference to a lvalue expression
Definition: ReferenceNode.h:45
Interface for private data of transformations.
Definition: Transform.h:40