blob: 5e8dd67605bfc56cd31cd0a177562b31e8b30ff6 (
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
|
#ifndef CRYPTOPP_MODEXPPC_H
#define CRYPTOPP_MODEXPPC_H
#include "cryptlib.h"
#include "modarith.h"
#include "integer.h"
#include "algebra.h"
#include "eprecomp.h"
#include "smartptr.h"
#include "pubkey.h"
#if CRYPTOPP_MSC_VERSION
# pragma warning(push)
# pragma warning(disable: 4231 4275)
#endif
NAMESPACE_BEGIN(CryptoPP)
CRYPTOPP_DLL_TEMPLATE_CLASS DL_FixedBasePrecomputationImpl<Integer>;
class ModExpPrecomputation : public DL_GroupPrecomputation<Integer>
{
public:
virtual ~ModExpPrecomputation() {}
// DL_GroupPrecomputation
bool NeedConversions() const {return true;}
Element ConvertIn(const Element &v) const {return m_mr->ConvertIn(v);}
virtual Element ConvertOut(const Element &v) const {return m_mr->ConvertOut(v);}
const AbstractGroup<Element> & GetGroup() const {return m_mr->MultiplicativeGroup();}
Element BERDecodeElement(BufferedTransformation &bt) const {return Integer(bt);}
void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {v.DEREncode(bt);}
// non-inherited
void SetModulus(const Integer &v) {m_mr.reset(new MontgomeryRepresentation(v));}
const Integer & GetModulus() const {return m_mr->GetModulus();}
private:
value_ptr<MontgomeryRepresentation> m_mr;
};
NAMESPACE_END
#if CRYPTOPP_MSC_VERSION
# pragma warning(pop)
#endif
#endif
|
