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authormadmaxoft <github@xoft.cz>2014-01-22 22:26:40 +0100
committermadmaxoft <github@xoft.cz>2014-01-22 22:26:40 +0100
commit34f13d589a2ebbcae9230732c7a763b3cdd88b41 (patch)
tree4f7bad4f90ca8f7a896d83951804f0207082cafb /lib/cryptopp/luc.h
parentReplacing CryptoPP with PolarSSL. (diff)
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Diffstat (limited to 'lib/cryptopp/luc.h')
-rw-r--r--lib/cryptopp/luc.h236
1 files changed, 0 insertions, 236 deletions
diff --git a/lib/cryptopp/luc.h b/lib/cryptopp/luc.h
deleted file mode 100644
index 730776d57..000000000
--- a/lib/cryptopp/luc.h
+++ /dev/null
@@ -1,236 +0,0 @@
-#ifndef CRYPTOPP_LUC_H
-#define CRYPTOPP_LUC_H
-
-/** \file
-*/
-
-#include "pkcspad.h"
-#include "oaep.h"
-#include "integer.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;}
-
-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;}
-
-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 {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;}
-
-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) {m_g = base;}
- const Integer & GetBase(const DL_GroupPrecomputation<Element> &group) const {return m_g;}
- void Precompute(const DL_GroupPrecomputation<Element> &group, unsigned int maxExpBits, unsigned int storage) {}
- void Load(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) {}
- void Save(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) const {}
- 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
- {throw NotImplemented("DL_BasePrecomputation_LUC: CascadeExponentiate not implemented");} // shouldn't be called
-
-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
- {throw NotImplemented("LUC_GroupParameters: MultiplyElements can not be implemented");}
- Element CascadeExponentiate(const Element &element1, const Integer &exponent1, const Element &element2, const Integer &exponent2) const
- {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();
- }
-
-private:
- int GetFieldType() const {return 2;}
-};
-
-//! _
-class DL_GroupParameters_LUC_DefaultSafePrime : public DL_GroupParameters_LUC
-{
-public:
- typedef NoCofactorMultiplication DefaultCofactorOption;
-
-protected:
- unsigned int GetDefaultSubgroupOrderSize(unsigned int modulusSize) const {return modulusSize-1;}
-};
-
-//! _
-class DL_Algorithm_LUC_HMP : public DL_ElgamalLikeSignatureAlgorithm<Integer>
-{
-public:
- static const char * StaticAlgorithmName() {return "LUC-HMP";}
-
- void Sign(const DL_GroupParameters<Integer> &params, const Integer &x, const Integer &k, const Integer &e, Integer &r, Integer &s) const;
- bool Verify(const DL_GroupParameters<Integer> &params, const DL_PublicKey<Integer> &publicKey, const Integer &e, const Integer &r, const Integer &s) const;
-
- size_t RLen(const DL_GroupParameters<Integer> &params) const
- {return params.GetGroupOrder().ByteCount();}
-};
-
-//! _
-struct DL_SignatureKeys_LUC
-{
- typedef DL_GroupParameters_LUC GroupParameters;
- typedef DL_PublicKey_GFP<GroupParameters> PublicKey;
- typedef DL_PrivateKey_GFP<GroupParameters> PrivateKey;
-};
-
-//! 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;
-};
-
-//! 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
-};
-
-// ********************************************************
-
-//! LUC-DH
-typedef DH_Domain<DL_GroupParameters_LUC_DefaultSafePrime> LUC_DH;
-
-NAMESPACE_END
-
-#endif