mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-27 03:40:22 +00:00
35a2ef10a2
This pedantic message appeared all over the code. Also removed one warning about an unused variable in release build.
307 lines
10 KiB
C++
307 lines
10 KiB
C++
#ifndef CRYPTOPP_LUC_H
|
|
#define CRYPTOPP_LUC_H
|
|
|
|
/** \file
|
|
*/
|
|
|
|
#include "cryptlib.h"
|
|
#include "gfpcrypt.h"
|
|
#include "integer.h"
|
|
#include "algebra.h"
|
|
#include "secblock.h"
|
|
|
|
#if CRYPTOPP_MSC_VERSION
|
|
# pragma warning(push)
|
|
# pragma warning(disable: 4127 4189)
|
|
#endif
|
|
|
|
#include "pkcspad.h"
|
|
#include "integer.h"
|
|
#include "oaep.h"
|
|
#include "dh.h"
|
|
|
|
#include <limits.h>
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
|
//! The LUC function.
|
|
/*! This class is here for historical and pedagogical interest. It has no
|
|
practical advantages over other trapdoor functions and probably shouldn't
|
|
be used in production software. The discrete log based LUC schemes
|
|
defined later in this .h file may be of more practical interest.
|
|
*/
|
|
class LUCFunction : public TrapdoorFunction, public PublicKey
|
|
{
|
|
typedef LUCFunction ThisClass;
|
|
|
|
public:
|
|
void Initialize(const Integer &n, const Integer &e)
|
|
{m_n = n; m_e = e;}
|
|
|
|
void BERDecode(BufferedTransformation &bt);
|
|
void DEREncode(BufferedTransformation &bt) const;
|
|
|
|
Integer ApplyFunction(const Integer &x) const;
|
|
Integer PreimageBound() const {return m_n;}
|
|
Integer ImageBound() const {return m_n;}
|
|
|
|
bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
|
|
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
|
|
void AssignFrom(const NameValuePairs &source);
|
|
|
|
// non-derived interface
|
|
const Integer & GetModulus() const {return m_n;}
|
|
const Integer & GetPublicExponent() const {return m_e;}
|
|
|
|
void SetModulus(const Integer &n) {m_n = n;}
|
|
void SetPublicExponent(const Integer &e) {m_e = e;}
|
|
|
|
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
|
virtual ~LUCFunction() {}
|
|
#endif
|
|
|
|
protected:
|
|
Integer m_n, m_e;
|
|
};
|
|
|
|
//! _
|
|
class InvertibleLUCFunction : public LUCFunction, public TrapdoorFunctionInverse, public PrivateKey
|
|
{
|
|
typedef InvertibleLUCFunction ThisClass;
|
|
|
|
public:
|
|
void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits, const Integer &eStart=17);
|
|
void Initialize(const Integer &n, const Integer &e, const Integer &p, const Integer &q, const Integer &u)
|
|
{m_n = n; m_e = e; m_p = p; m_q = q; m_u = u;}
|
|
|
|
void BERDecode(BufferedTransformation &bt);
|
|
void DEREncode(BufferedTransformation &bt) const;
|
|
|
|
Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const;
|
|
|
|
bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
|
|
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
|
|
void AssignFrom(const NameValuePairs &source);
|
|
/*! parameters: (ModulusSize, PublicExponent (default 17)) */
|
|
void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg);
|
|
|
|
// non-derived interface
|
|
const Integer& GetPrime1() const {return m_p;}
|
|
const Integer& GetPrime2() const {return m_q;}
|
|
const Integer& GetMultiplicativeInverseOfPrime2ModPrime1() const {return m_u;}
|
|
|
|
void SetPrime1(const Integer &p) {m_p = p;}
|
|
void SetPrime2(const Integer &q) {m_q = q;}
|
|
void SetMultiplicativeInverseOfPrime2ModPrime1(const Integer &u) {m_u = u;}
|
|
|
|
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
|
virtual ~InvertibleLUCFunction() {}
|
|
#endif
|
|
|
|
protected:
|
|
Integer m_p, m_q, m_u;
|
|
};
|
|
|
|
struct LUC
|
|
{
|
|
static std::string StaticAlgorithmName() {return "LUC";}
|
|
typedef LUCFunction PublicKey;
|
|
typedef InvertibleLUCFunction PrivateKey;
|
|
};
|
|
|
|
//! LUC cryptosystem
|
|
template <class STANDARD>
|
|
struct LUCES : public TF_ES<STANDARD, LUC>
|
|
{
|
|
};
|
|
|
|
//! LUC signature scheme with appendix
|
|
template <class STANDARD, class H>
|
|
struct LUCSS : public TF_SS<STANDARD, H, LUC>
|
|
{
|
|
};
|
|
|
|
// analagous to the RSA schemes defined in PKCS #1 v2.0
|
|
typedef LUCES<OAEP<SHA> >::Decryptor LUCES_OAEP_SHA_Decryptor;
|
|
typedef LUCES<OAEP<SHA> >::Encryptor LUCES_OAEP_SHA_Encryptor;
|
|
|
|
typedef LUCSS<PKCS1v15, SHA>::Signer LUCSSA_PKCS1v15_SHA_Signer;
|
|
typedef LUCSS<PKCS1v15, SHA>::Verifier LUCSSA_PKCS1v15_SHA_Verifier;
|
|
|
|
// ********************************************************
|
|
|
|
// no actual precomputation
|
|
class DL_GroupPrecomputation_LUC : public DL_GroupPrecomputation<Integer>
|
|
{
|
|
public:
|
|
const AbstractGroup<Element> & GetGroup() const {CRYPTOPP_ASSERT(false); throw 0;}
|
|
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_p = v;}
|
|
const Integer & GetModulus() const {return m_p;}
|
|
|
|
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
|
virtual ~DL_GroupPrecomputation_LUC() {}
|
|
#endif
|
|
|
|
private:
|
|
Integer m_p;
|
|
};
|
|
|
|
//! _
|
|
class DL_BasePrecomputation_LUC : public DL_FixedBasePrecomputation<Integer>
|
|
{
|
|
public:
|
|
// DL_FixedBasePrecomputation
|
|
bool IsInitialized() const {return m_g.NotZero();}
|
|
void SetBase(const DL_GroupPrecomputation<Element> &group, const Integer &base)
|
|
{CRYPTOPP_UNUSED(group); m_g = base;}
|
|
const Integer & GetBase(const DL_GroupPrecomputation<Element> &group) const
|
|
{CRYPTOPP_UNUSED(group); return m_g;}
|
|
void Precompute(const DL_GroupPrecomputation<Element> &group, unsigned int maxExpBits, unsigned int storage)
|
|
{CRYPTOPP_UNUSED(group); CRYPTOPP_UNUSED(maxExpBits); CRYPTOPP_UNUSED(storage);}
|
|
void Load(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation)
|
|
{CRYPTOPP_UNUSED(group); CRYPTOPP_UNUSED(storedPrecomputation);}
|
|
void Save(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) const
|
|
{CRYPTOPP_UNUSED(group); CRYPTOPP_UNUSED(storedPrecomputation);}
|
|
Integer Exponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent) const;
|
|
Integer CascadeExponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent, const DL_FixedBasePrecomputation<Integer> &pc2, const Integer &exponent2) const
|
|
{
|
|
CRYPTOPP_UNUSED(group); CRYPTOPP_UNUSED(exponent); CRYPTOPP_UNUSED(pc2); CRYPTOPP_UNUSED(exponent2);
|
|
// shouldn't be called
|
|
throw NotImplemented("DL_BasePrecomputation_LUC: CascadeExponentiate not implemented");
|
|
}
|
|
|
|
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
|
virtual ~DL_BasePrecomputation_LUC() {}
|
|
#endif
|
|
|
|
private:
|
|
Integer m_g;
|
|
};
|
|
|
|
//! _
|
|
class DL_GroupParameters_LUC : public DL_GroupParameters_IntegerBasedImpl<DL_GroupPrecomputation_LUC, DL_BasePrecomputation_LUC>
|
|
{
|
|
public:
|
|
// DL_GroupParameters
|
|
bool IsIdentity(const Integer &element) const {return element == Integer::Two();}
|
|
void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const;
|
|
Element MultiplyElements(const Element &a, const Element &b) const
|
|
{
|
|
CRYPTOPP_UNUSED(a); CRYPTOPP_UNUSED(b);
|
|
throw NotImplemented("LUC_GroupParameters: MultiplyElements can not be implemented");
|
|
}
|
|
Element CascadeExponentiate(const Element &element1, const Integer &exponent1, const Element &element2, const Integer &exponent2) const
|
|
{
|
|
CRYPTOPP_UNUSED(element1); CRYPTOPP_UNUSED(exponent1); CRYPTOPP_UNUSED(element2); CRYPTOPP_UNUSED(exponent2);
|
|
throw NotImplemented("LUC_GroupParameters: MultiplyElements can not be implemented");
|
|
}
|
|
|
|
// NameValuePairs interface
|
|
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
|
|
{
|
|
return GetValueHelper<DL_GroupParameters_IntegerBased>(this, name, valueType, pValue).Assignable();
|
|
}
|
|
|
|
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
|
virtual ~DL_GroupParameters_LUC() {}
|
|
#endif
|
|
|
|
private:
|
|
int GetFieldType() const {return 2;}
|
|
};
|
|
|
|
//! _
|
|
class DL_GroupParameters_LUC_DefaultSafePrime : public DL_GroupParameters_LUC
|
|
{
|
|
public:
|
|
typedef NoCofactorMultiplication DefaultCofactorOption;
|
|
|
|
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
|
virtual ~DL_GroupParameters_LUC_DefaultSafePrime() {}
|
|
#endif
|
|
|
|
protected:
|
|
unsigned int GetDefaultSubgroupOrderSize(unsigned int modulusSize) const {return modulusSize-1;}
|
|
};
|
|
|
|
//! _
|
|
class DL_Algorithm_LUC_HMP : public DL_ElgamalLikeSignatureAlgorithm<Integer>
|
|
{
|
|
public:
|
|
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "LUC-HMP";}
|
|
|
|
void Sign(const DL_GroupParameters<Integer> ¶ms, const Integer &x, const Integer &k, const Integer &e, Integer &r, Integer &s) const;
|
|
bool Verify(const DL_GroupParameters<Integer> ¶ms, const DL_PublicKey<Integer> &publicKey, const Integer &e, const Integer &r, const Integer &s) const;
|
|
|
|
size_t RLen(const DL_GroupParameters<Integer> ¶ms) const
|
|
{return params.GetGroupOrder().ByteCount();}
|
|
|
|
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
|
virtual ~DL_Algorithm_LUC_HMP() {}
|
|
#endif
|
|
};
|
|
|
|
//! _
|
|
struct DL_SignatureKeys_LUC
|
|
{
|
|
typedef DL_GroupParameters_LUC GroupParameters;
|
|
typedef DL_PublicKey_GFP<GroupParameters> PublicKey;
|
|
typedef DL_PrivateKey_GFP<GroupParameters> PrivateKey;
|
|
|
|
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
|
virtual ~DL_SignatureKeys_LUC() {}
|
|
#endif
|
|
};
|
|
|
|
//! LUC-HMP, based on "Digital signature schemes based on Lucas functions" by Patrick Horster, Markus Michels, Holger Petersen
|
|
template <class H>
|
|
struct LUC_HMP : public DL_SS<DL_SignatureKeys_LUC, DL_Algorithm_LUC_HMP, DL_SignatureMessageEncodingMethod_DSA, H>
|
|
{
|
|
};
|
|
|
|
//! _
|
|
struct DL_CryptoKeys_LUC
|
|
{
|
|
typedef DL_GroupParameters_LUC_DefaultSafePrime GroupParameters;
|
|
typedef DL_PublicKey_GFP<GroupParameters> PublicKey;
|
|
typedef DL_PrivateKey_GFP<GroupParameters> PrivateKey;
|
|
|
|
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
|
virtual ~DL_CryptoKeys_LUC() {}
|
|
#endif
|
|
};
|
|
|
|
//! LUC-IES
|
|
template <class COFACTOR_OPTION = NoCofactorMultiplication, bool DHAES_MODE = true>
|
|
struct LUC_IES
|
|
: public DL_ES<
|
|
DL_CryptoKeys_LUC,
|
|
DL_KeyAgreementAlgorithm_DH<Integer, COFACTOR_OPTION>,
|
|
DL_KeyDerivationAlgorithm_P1363<Integer, DHAES_MODE, P1363_KDF2<SHA1> >,
|
|
DL_EncryptionAlgorithm_Xor<HMAC<SHA1>, DHAES_MODE>,
|
|
LUC_IES<> >
|
|
{
|
|
static std::string StaticAlgorithmName() {return "LUC-IES";} // non-standard name
|
|
|
|
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
|
virtual ~LUC_IES() {}
|
|
#endif
|
|
};
|
|
|
|
// ********************************************************
|
|
|
|
//! LUC-DH
|
|
typedef DH_Domain<DL_GroupParameters_LUC_DefaultSafePrime> LUC_DH;
|
|
|
|
NAMESPACE_END
|
|
|
|
#if CRYPTOPP_MSC_VERSION
|
|
# pragma warning(pop)
|
|
#endif
|
|
|
|
#endif
|