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author | daniel0916 <theschokolps@gmail.com> | 2014-04-07 20:12:17 +0200 |
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committer | daniel0916 <theschokolps@gmail.com> | 2014-04-07 20:12:17 +0200 |
commit | 2e9754ac1cf0537c12ab7974cf55c451c0724540 (patch) | |
tree | 713c5b8c8f22f77893b30b9c8cefca4a7c491483 /lib/cryptopp/esign.h | |
parent | Fixed merge conflict (diff) | |
parent | Fixed some more minor issues with the redstone simulator. (diff) | |
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Diffstat (limited to 'lib/cryptopp/esign.h')
-rw-r--r-- | lib/cryptopp/esign.h | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/lib/cryptopp/esign.h b/lib/cryptopp/esign.h deleted file mode 100644 index 8eecbc5a1..000000000 --- a/lib/cryptopp/esign.h +++ /dev/null @@ -1,128 +0,0 @@ -#ifndef CRYPTOPP_ESIGN_H -#define CRYPTOPP_ESIGN_H - -/** \file - This file contains classes that implement the - ESIGN signature schemes as defined in IEEE P1363a. -*/ - -#include "pubkey.h" -#include "integer.h" -#include "asn.h" - -NAMESPACE_BEGIN(CryptoPP) - -//! _ -class ESIGNFunction : public TrapdoorFunction, public ASN1CryptoMaterial<PublicKey> -{ - typedef ESIGNFunction ThisClass; - -public: - void Initialize(const Integer &n, const Integer &e) - {m_n = n; m_e = e;} - - // PublicKey - void BERDecode(BufferedTransformation &bt); - void DEREncode(BufferedTransformation &bt) const; - - // CryptoMaterial - 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); - - // TrapdoorFunction - Integer ApplyFunction(const Integer &x) const; - Integer PreimageBound() const {return m_n;} - Integer ImageBound() const {return Integer::Power2(GetK());} - - // non-derived - 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: - unsigned int GetK() const {return m_n.BitCount()/3-1;} - - Integer m_n, m_e; -}; - -//! _ -class InvertibleESIGNFunction : public ESIGNFunction, public RandomizedTrapdoorFunctionInverse, public PrivateKey -{ - typedef InvertibleESIGNFunction ThisClass; - -public: - void Initialize(const Integer &n, const Integer &e, const Integer &p, const Integer &q) - {m_n = n; m_e = e; m_p = p; m_q = q;} - // generate a random private key - void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits) - {GenerateRandomWithKeySize(rng, modulusBits);} - - void BERDecode(BufferedTransformation &bt); - void DEREncode(BufferedTransformation &bt) const; - - Integer CalculateRandomizedInverse(RandomNumberGenerator &rng, const Integer &x) const; - - // GeneratibleCryptoMaterial - 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) */ - void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg); - - const Integer& GetPrime1() const {return m_p;} - const Integer& GetPrime2() const {return m_q;} - - void SetPrime1(const Integer &p) {m_p = p;} - void SetPrime2(const Integer &q) {m_q = q;} - -protected: - Integer m_p, m_q; -}; - -//! _ -template <class T> -class EMSA5Pad : public PK_DeterministicSignatureMessageEncodingMethod -{ -public: - static const char *StaticAlgorithmName() {return "EMSA5";} - - void ComputeMessageRepresentative(RandomNumberGenerator &rng, - const byte *recoverableMessage, size_t recoverableMessageLength, - HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, - byte *representative, size_t representativeBitLength) const - { - SecByteBlock digest(hash.DigestSize()); - hash.Final(digest); - size_t representativeByteLength = BitsToBytes(representativeBitLength); - T mgf; - mgf.GenerateAndMask(hash, representative, representativeByteLength, digest, digest.size(), false); - if (representativeBitLength % 8 != 0) - representative[0] = (byte)Crop(representative[0], representativeBitLength % 8); - } -}; - -//! EMSA5, for use with ESIGN -struct P1363_EMSA5 : public SignatureStandard -{ - typedef EMSA5Pad<P1363_MGF1> SignatureMessageEncodingMethod; -}; - -struct ESIGN_Keys -{ - static std::string StaticAlgorithmName() {return "ESIGN";} - typedef ESIGNFunction PublicKey; - typedef InvertibleESIGNFunction PrivateKey; -}; - -//! ESIGN, as defined in IEEE P1363a -template <class H, class STANDARD = P1363_EMSA5> -struct ESIGN : public TF_SS<STANDARD, H, ESIGN_Keys> -{ -}; - -NAMESPACE_END - -#endif |