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authorTycho <work.tycho+git@gmail.com>2014-01-26 15:28:51 +0100
committerTycho <work.tycho+git@gmail.com>2014-01-26 15:28:51 +0100
commitbed2ee22e8283a2e8bd0790a89124839319c2fc3 (patch)
treeee9e66a7b7c63995797a502f209079c1422ce9c9 /lib/cryptopp/eccrypto.h
parentRefactored cBlockHandler::OnUse and dependents (diff)
parentMerge pull request #589 from mc-server/minecartimprovements (diff)
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Diffstat (limited to 'lib/cryptopp/eccrypto.h')
-rw-r--r--lib/cryptopp/eccrypto.h280
1 files changed, 0 insertions, 280 deletions
diff --git a/lib/cryptopp/eccrypto.h b/lib/cryptopp/eccrypto.h
deleted file mode 100644
index 3530455a3..000000000
--- a/lib/cryptopp/eccrypto.h
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-#ifndef CRYPTOPP_ECCRYPTO_H
-#define CRYPTOPP_ECCRYPTO_H
-
-/*! \file
-*/
-
-#include "pubkey.h"
-#include "integer.h"
-#include "asn.h"
-#include "hmac.h"
-#include "sha.h"
-#include "gfpcrypt.h"
-#include "dh.h"
-#include "mqv.h"
-#include "ecp.h"
-#include "ec2n.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-//! Elliptic Curve Parameters
-/*! This class corresponds to the ASN.1 sequence of the same name
- in ANSI X9.62 (also SEC 1).
-*/
-template <class EC>
-class DL_GroupParameters_EC : public DL_GroupParametersImpl<EcPrecomputation<EC> >
-{
- typedef DL_GroupParameters_EC<EC> ThisClass;
-
-public:
- typedef EC EllipticCurve;
- typedef typename EllipticCurve::Point Point;
- typedef Point Element;
- typedef IncompatibleCofactorMultiplication DefaultCofactorOption;
-
- DL_GroupParameters_EC() : m_compress(false), m_encodeAsOID(false) {}
- DL_GroupParameters_EC(const OID &oid)
- : m_compress(false), m_encodeAsOID(false) {Initialize(oid);}
- DL_GroupParameters_EC(const EllipticCurve &ec, const Point &G, const Integer &n, const Integer &k = Integer::Zero())
- : m_compress(false), m_encodeAsOID(false) {Initialize(ec, G, n, k);}
- DL_GroupParameters_EC(BufferedTransformation &bt)
- : m_compress(false), m_encodeAsOID(false) {BERDecode(bt);}
-
- void Initialize(const EllipticCurve &ec, const Point &G, const Integer &n, const Integer &k = Integer::Zero())
- {
- this->m_groupPrecomputation.SetCurve(ec);
- this->SetSubgroupGenerator(G);
- m_n = n;
- m_k = k;
- }
- void Initialize(const OID &oid);
-
- // NameValuePairs
- bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
- void AssignFrom(const NameValuePairs &source);
-
- // GeneratibleCryptoMaterial interface
- //! this implementation doesn't actually generate a curve, it just initializes the parameters with existing values
- /*! parameters: (Curve, SubgroupGenerator, SubgroupOrder, Cofactor (optional)), or (GroupOID) */
- void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg);
-
- // DL_GroupParameters
- const DL_FixedBasePrecomputation<Element> & GetBasePrecomputation() const {return this->m_gpc;}
- DL_FixedBasePrecomputation<Element> & AccessBasePrecomputation() {return this->m_gpc;}
- const Integer & GetSubgroupOrder() const {return m_n;}
- Integer GetCofactor() const;
- bool ValidateGroup(RandomNumberGenerator &rng, unsigned int level) const;
- bool ValidateElement(unsigned int level, const Element &element, const DL_FixedBasePrecomputation<Element> *precomp) const;
- bool FastSubgroupCheckAvailable() const {return false;}
- void EncodeElement(bool reversible, const Element &element, byte *encoded) const
- {
- if (reversible)
- GetCurve().EncodePoint(encoded, element, m_compress);
- else
- element.x.Encode(encoded, GetEncodedElementSize(false));
- }
- unsigned int GetEncodedElementSize(bool reversible) const
- {
- if (reversible)
- return GetCurve().EncodedPointSize(m_compress);
- else
- return GetCurve().GetField().MaxElementByteLength();
- }
- Element DecodeElement(const byte *encoded, bool checkForGroupMembership) const
- {
- Point result;
- if (!GetCurve().DecodePoint(result, encoded, GetEncodedElementSize(true)))
- throw DL_BadElement();
- if (checkForGroupMembership && !ValidateElement(1, result, NULL))
- throw DL_BadElement();
- return result;
- }
- Integer ConvertElementToInteger(const Element &element) const;
- Integer GetMaxExponent() const {return GetSubgroupOrder()-1;}
- bool IsIdentity(const Element &element) const {return element.identity;}
- void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const;
- static std::string CRYPTOPP_API StaticAlgorithmNamePrefix() {return "EC";}
-
- // ASN1Key
- OID GetAlgorithmID() const;
-
- // used by MQV
- Element MultiplyElements(const Element &a, const Element &b) const;
- Element CascadeExponentiate(const Element &element1, const Integer &exponent1, const Element &element2, const Integer &exponent2) const;
-
- // non-inherited
-
- // enumerate OIDs for recommended parameters, use OID() to get first one
- static OID CRYPTOPP_API GetNextRecommendedParametersOID(const OID &oid);
-
- void BERDecode(BufferedTransformation &bt);
- void DEREncode(BufferedTransformation &bt) const;
-
- void SetPointCompression(bool compress) {m_compress = compress;}
- bool GetPointCompression() const {return m_compress;}
-
- void SetEncodeAsOID(bool encodeAsOID) {m_encodeAsOID = encodeAsOID;}
- bool GetEncodeAsOID() const {return m_encodeAsOID;}
-
- const EllipticCurve& GetCurve() const {return this->m_groupPrecomputation.GetCurve();}
-
- bool operator==(const ThisClass &rhs) const
- {return this->m_groupPrecomputation.GetCurve() == rhs.m_groupPrecomputation.GetCurve() && this->m_gpc.GetBase(this->m_groupPrecomputation) == rhs.m_gpc.GetBase(rhs.m_groupPrecomputation);}
-
-#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY
- const Point& GetBasePoint() const {return GetSubgroupGenerator();}
- const Integer& GetBasePointOrder() const {return GetSubgroupOrder();}
- void LoadRecommendedParameters(const OID &oid) {Initialize(oid);}
-#endif
-
-protected:
- unsigned int FieldElementLength() const {return GetCurve().GetField().MaxElementByteLength();}
- unsigned int ExponentLength() const {return m_n.ByteCount();}
-
- OID m_oid; // set if parameters loaded from a recommended curve
- Integer m_n; // order of base point
- bool m_compress, m_encodeAsOID;
- mutable Integer m_k; // cofactor
-};
-
-//! EC public key
-template <class EC>
-class DL_PublicKey_EC : public DL_PublicKeyImpl<DL_GroupParameters_EC<EC> >
-{
-public:
- typedef typename EC::Point Element;
-
- void Initialize(const DL_GroupParameters_EC<EC> &params, const Element &Q)
- {this->AccessGroupParameters() = params; this->SetPublicElement(Q);}
- void Initialize(const EC &ec, const Element &G, const Integer &n, const Element &Q)
- {this->AccessGroupParameters().Initialize(ec, G, n); this->SetPublicElement(Q);}
-
- // X509PublicKey
- void BERDecodePublicKey(BufferedTransformation &bt, bool parametersPresent, size_t size);
- void DEREncodePublicKey(BufferedTransformation &bt) const;
-};
-
-//! EC private key
-template <class EC>
-class DL_PrivateKey_EC : public DL_PrivateKeyImpl<DL_GroupParameters_EC<EC> >
-{
-public:
- typedef typename EC::Point Element;
-
- void Initialize(const DL_GroupParameters_EC<EC> &params, const Integer &x)
- {this->AccessGroupParameters() = params; this->SetPrivateExponent(x);}
- void Initialize(const EC &ec, const Element &G, const Integer &n, const Integer &x)
- {this->AccessGroupParameters().Initialize(ec, G, n); this->SetPrivateExponent(x);}
- void Initialize(RandomNumberGenerator &rng, const DL_GroupParameters_EC<EC> &params)
- {this->GenerateRandom(rng, params);}
- void Initialize(RandomNumberGenerator &rng, const EC &ec, const Element &G, const Integer &n)
- {this->GenerateRandom(rng, DL_GroupParameters_EC<EC>(ec, G, n));}
-
- // PKCS8PrivateKey
- void BERDecodePrivateKey(BufferedTransformation &bt, bool parametersPresent, size_t size);
- void DEREncodePrivateKey(BufferedTransformation &bt) const;
-};
-
-//! Elliptic Curve Diffie-Hellman, AKA <a href="http://www.weidai.com/scan-mirror/ka.html#ECDH">ECDH</a>
-template <class EC, class COFACTOR_OPTION = CPP_TYPENAME DL_GroupParameters_EC<EC>::DefaultCofactorOption>
-struct ECDH
-{
- typedef DH_Domain<DL_GroupParameters_EC<EC>, COFACTOR_OPTION> Domain;
-};
-
-/// Elliptic Curve Menezes-Qu-Vanstone, AKA <a href="http://www.weidai.com/scan-mirror/ka.html#ECMQV">ECMQV</a>
-template <class EC, class COFACTOR_OPTION = CPP_TYPENAME DL_GroupParameters_EC<EC>::DefaultCofactorOption>
-struct ECMQV
-{
- typedef MQV_Domain<DL_GroupParameters_EC<EC>, COFACTOR_OPTION> Domain;
-};
-
-//! EC keys
-template <class EC>
-struct DL_Keys_EC
-{
- typedef DL_PublicKey_EC<EC> PublicKey;
- typedef DL_PrivateKey_EC<EC> PrivateKey;
-};
-
-template <class EC, class H>
-struct ECDSA;
-
-//! ECDSA keys
-template <class EC>
-struct DL_Keys_ECDSA
-{
- typedef DL_PublicKey_EC<EC> PublicKey;
- typedef DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_EC<EC>, ECDSA<EC, SHA256> > PrivateKey;
-};
-
-//! ECDSA algorithm
-template <class EC>
-class DL_Algorithm_ECDSA : public DL_Algorithm_GDSA<typename EC::Point>
-{
-public:
- static const char * CRYPTOPP_API StaticAlgorithmName() {return "ECDSA";}
-};
-
-//! ECNR algorithm
-template <class EC>
-class DL_Algorithm_ECNR : public DL_Algorithm_NR<typename EC::Point>
-{
-public:
- static const char * CRYPTOPP_API StaticAlgorithmName() {return "ECNR";}
-};
-
-//! <a href="http://www.weidai.com/scan-mirror/sig.html#ECDSA">ECDSA</a>
-template <class EC, class H>
-struct ECDSA : public DL_SS<DL_Keys_ECDSA<EC>, DL_Algorithm_ECDSA<EC>, DL_SignatureMessageEncodingMethod_DSA, H>
-{
-};
-
-//! ECNR
-template <class EC, class H = SHA>
-struct ECNR : public DL_SS<DL_Keys_EC<EC>, DL_Algorithm_ECNR<EC>, DL_SignatureMessageEncodingMethod_NR, H>
-{
-};
-
-//! Elliptic Curve Integrated Encryption Scheme, AKA <a href="http://www.weidai.com/scan-mirror/ca.html#ECIES">ECIES</a>
-/*! Default to (NoCofactorMultiplication and DHAES_MODE = false) for compatibilty with SEC1 and Crypto++ 4.2.
- The combination of (IncompatibleCofactorMultiplication and DHAES_MODE = true) is recommended for best
- efficiency and security. */
-template <class EC, class COFACTOR_OPTION = NoCofactorMultiplication, bool DHAES_MODE = false>
-struct ECIES
- : public DL_ES<
- DL_Keys_EC<EC>,
- DL_KeyAgreementAlgorithm_DH<typename EC::Point, COFACTOR_OPTION>,
- DL_KeyDerivationAlgorithm_P1363<typename EC::Point, DHAES_MODE, P1363_KDF2<SHA1> >,
- DL_EncryptionAlgorithm_Xor<HMAC<SHA1>, DHAES_MODE>,
- ECIES<EC> >
-{
- static std::string CRYPTOPP_API StaticAlgorithmName() {return "ECIES";} // TODO: fix this after name is standardized
-};
-
-NAMESPACE_END
-
-#ifdef CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES
-#include "eccrypto.cpp"
-#endif
-
-NAMESPACE_BEGIN(CryptoPP)
-
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupParameters_EC<ECP>;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupParameters_EC<EC2N>;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKeyImpl<DL_GroupParameters_EC<ECP> >;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKeyImpl<DL_GroupParameters_EC<EC2N> >;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKey_EC<ECP>;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKey_EC<EC2N>;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKeyImpl<DL_GroupParameters_EC<ECP> >;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKeyImpl<DL_GroupParameters_EC<EC2N> >;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_EC<ECP>;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_EC<EC2N>;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_Algorithm_GDSA<ECP::Point>;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_Algorithm_GDSA<EC2N::Point>;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_EC<ECP>, ECDSA<ECP, SHA256> >;
-CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_EC<EC2N>, ECDSA<EC2N, SHA256> >;
-
-NAMESPACE_END
-
-#endif