rsa.h Source File - ClanLib SDK
Description: rsa.h Source File

rsa.h
1/*
2** ClanLib SDK
3** Copyright (c) 1997-2020 The ClanLib Team
4**
5** This software is provided 'as-is', without any express or implied
6** warranty. In no event will the authors be held liable for any damages
7** arising from the use of this software.
8**
9** Permission is granted to anyone to use this software for any purpose,
10** including commercial applications, and to alter it and redistribute it
11** freely, subject to the following restrictions:
12**
13** 1. The origin of this software must not be misrepresented; you must not
14** claim that you wrote the original software. If you use this software
15** in a product, an acknowledgment in the product documentation would be
16** appreciated but is not required.
17** 2. Altered source versions must be plainly marked as such, and must not be
18** misrepresented as being the original software.
19** 3. This notice may not be removed or altered from any source distribution.
20**
21** Note: Some of the libraries ClanLib may link to may have additional
22** requirements or restrictions.
23**
24** File Author(s):
25**
26** Mark Page
27** Michael J. Fromberger
28*/
29
30// This class is based on the original MPI library (not NSS, because of license restrictions) with some modifications.
31// Some ideas and algorithms are from NSS (Netscape Security Suite). Where they have been used, the function contains a reference note
32//
33// Note, since September 2011, I believe the MPI homepage is now: http://spinning-yarns.org/michael/mpi/
34// The license is as follows
35// This software was written by Michael J. Fromberger,
36// http://www.dartmouth.edu/~sting/
37//
38// See the MPI home page at
39// http://www.dartmouth.edu/~sting/mpi/
40//
41// This software is in the public domain. It is entirely free, and you
42// may use it and/or redistribute it for whatever purpose you choose;
43// however, as free software, it is provided without warranty of any
44// kind, not even the implied warranty of merchantability or fitness for
45// a particular purpose.
46
47#pragma once
48
49namespace clan
50{
53
54 class Random;
55 class Secret;
56 class DataBuffer;
57
61 class RSA
62 {
63 public:
72 static void create_keypair(Random &random, Secret &out_private_exponent, DataBuffer &out_public_exponent, DataBuffer &out_modulus, int key_size_in_bits = 1024, int public_exponent_value = 65537);
73
82 static DataBuffer encrypt(int block_type, Random &random, const DataBuffer &in_public_exponent, const DataBuffer &in_modulus, const Secret &in_data);
83
95 static DataBuffer encrypt(int block_type, Random &random, const void *in_public_exponent, unsigned int in_public_exponent_size, const void *in_modulus, unsigned int in_modulus_size, const void *in_data, unsigned int in_data_size);
96
106 static Secret decrypt(const Secret &in_private_exponent, const DataBuffer &in_modulus, const DataBuffer &in_data);
107
119 static Secret decrypt(const Secret &in_private_exponent, const void *in_modulus, unsigned int in_modulus_size, const void *in_data, unsigned int in_data_size);
120 };
121
123}
clan::DataBuffer
General purpose data buffer.
Definition databuffer.h:42
clan::RSA
RSA class.
Definition rsa.h:62
clan::RSA::decrypt
static Secret decrypt(const Secret &in_private_exponent, const void *in_modulus, unsigned int in_modulus_size, const void *in_data, unsigned int in_data_size)
Decrypt.
clan::RSA::create_keypair
static void create_keypair(Random &random, Secret &out_private_exponent, DataBuffer &out_public_exponent, DataBuffer &out_modulus, int key_size_in_bits=1024, int public_exponent_value=65537)
Create a keypair.
clan::RSA::encrypt
static DataBuffer encrypt(int block_type, Random &random, const DataBuffer &in_public_exponent, const DataBuffer &in_modulus, const Secret &in_data)
Encrypt.
clan::RSA::encrypt
static DataBuffer encrypt(int block_type, Random &random, const void *in_public_exponent, unsigned int in_public_exponent_size, const void *in_modulus, unsigned int in_modulus_size, const void *in_data, unsigned int in_data_size)
Encrypt.
clan::RSA::decrypt
static Secret decrypt(const Secret &in_private_exponent, const DataBuffer &in_modulus, const DataBuffer &in_data)
Decrypt.
clan::Random
Random class.
Definition random.h:47
clan::Secret
Key class.
Definition secret.h:45
clan
Definition clanapp.h:36