blob: 1c3b506cbbde7a3f197dfe2e47afb0fae7407a3b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* ECDSA Signature
* (C) 2007 Falko Strenzke, FlexSecure GmbH
* (C) 2008-2010 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_ECDSA_SIGNATURE_H__
#define BOTAN_ECDSA_SIGNATURE_H__
#include <botan/bigint.h>
#include <botan/der_enc.h>
#include <botan/ber_dec.h>
namespace Botan {
/**
* Class representing an ECDSA signature
*/
class BOTAN_DLL ECDSA_Signature
{
public:
friend class ECDSA_Signature_Decoder;
ECDSA_Signature() {}
ECDSA_Signature(const BigInt& r, const BigInt& s) :
m_r(r), m_s(s) {}
ECDSA_Signature(const std::vector<byte>& ber);
const BigInt& get_r() const { return m_r; }
const BigInt& get_s() const { return m_s; }
/**
* return the r||s
*/
std::vector<byte> get_concatenation() const;
std::vector<byte> DER_encode() const;
bool operator==(const ECDSA_Signature& other) const
{
return (get_r() == other.get_r() && get_s() == other.get_s());
}
private:
BigInt m_r;
BigInt m_s;
};
inline bool operator!=(const ECDSA_Signature& lhs, const ECDSA_Signature& rhs)
{
return !(lhs == rhs);
}
ECDSA_Signature decode_concatenation(const std::vector<byte>& concatenation);
}
#endif
|
