Crypto++  8.6
Free C++ class library of cryptographic schemes
modexppc.h
1 #ifndef CRYPTOPP_MODEXPPC_H
2 #define CRYPTOPP_MODEXPPC_H
3 
4 #include "cryptlib.h"
5 #include "modarith.h"
6 #include "integer.h"
7 #include "algebra.h"
8 #include "eprecomp.h"
9 #include "smartptr.h"
10 #include "pubkey.h"
11 
12 #if CRYPTOPP_MSC_VERSION
13 # pragma warning(push)
14 # pragma warning(disable: 4231 4275)
15 #endif
16 
17 NAMESPACE_BEGIN(CryptoPP)
18 
20 
22 {
23 public:
24  virtual ~ModExpPrecomputation() {}
25 
26  // DL_GroupPrecomputation
27  bool NeedConversions() const {return true;}
28  Element ConvertIn(const Element &v) const {return m_mr->ConvertIn(v);}
29  virtual Element ConvertOut(const Element &v) const {return m_mr->ConvertOut(v);}
30  const AbstractGroup<Element> & GetGroup() const {return m_mr->MultiplicativeGroup();}
32  void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {v.DEREncode(bt);}
33 
34  // non-inherited
35  void SetModulus(const Integer &v) {m_mr.reset(new MontgomeryRepresentation(v));}
36  const Integer & GetModulus() const {return m_mr->GetModulus();}
37 
38 private:
40 };
41 
42 NAMESPACE_END
43 
44 #if CRYPTOPP_MSC_VERSION
45 # pragma warning(pop)
46 #endif
47 
48 #endif
AbstractGroup
Abstract group.
Definition: algebra.h:26
Integer::DEREncode
void DEREncode(BufferedTransformation &bt) const
Encode in DER format.
ModExpPrecomputation::ConvertIn
Element ConvertIn(const Element &v) const
Converts an element between representations.
Definition: modexppc.h:28
BufferedTransformation
Interface for buffered transformations.
Definition: cryptlib.h:1651
smartptr.h
Classes for automatic resource management.
pubkey.h
This file contains helper classes/functions for implementing public key algorithms.
value_ptr< MontgomeryRepresentation >
ModExpPrecomputation
Definition: modexppc.h:21
modarith.h
Class file for performing modular arithmetic.
ModExpPrecomputation::BERDecodeElement
Element BERDecodeElement(BufferedTransformation &bt) const
Decodes element in DER format.
Definition: modexppc.h:31
DL_GroupPrecomputation
DL_GroupPrecomputation interface.
Definition: eprecomp.h:19
eprecomp.h
Classes for precomputation in a group.
ModExpPrecomputation::DEREncodeElement
void DEREncodeElement(BufferedTransformation &bt, const Element &v) const
Encodes element in DER format.
Definition: modexppc.h:32
DL_FixedBasePrecomputationImpl
DL_FixedBasePrecomputation adapter class.
Definition: eprecomp.h:126
algebra.h
Classes for performing mathematics over different fields.
CryptoPP
Crypto++ library namespace.
CRYPTOPP_DLL_TEMPLATE_CLASS
#define CRYPTOPP_DLL_TEMPLATE_CLASS
Instantiate templates in a dynamic library.
Definition: config_dll.h:72
ModExpPrecomputation::ConvertOut
virtual Element ConvertOut(const Element &v) const
Converts an element between representations.
Definition: modexppc.h:29
MontgomeryRepresentation
Performs modular arithmetic in Montgomery representation for increased speed.
Definition: modarith.h:295
cryptlib.h
Abstract base classes that provide a uniform interface to this library.
integer.h
Multiple precision integer with arithmetic operations.
Integer
Multiple precision integer with arithmetic operations.
Definition: integer.h:49