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Diffstat (limited to 'lib/cryptopp/eccrypto.h')
| -rw-r--r-- | lib/cryptopp/eccrypto.h | 280 |
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 +++ /dev/null @@ -1,280 +0,0 @@ -#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> ¶ms, 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> ¶ms, 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> ¶ms) - {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 |