mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-27 03:40:22 +00:00
Additional documentation. Moved dtors to first function in a class (Issue 70)
This commit is contained in:
Jeffrey Walton
parent
ac386cf0d7
commit
052b11617c
367
pubkey.h
367
pubkey.h
@ -99,6 +99,9 @@ public:
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class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE RandomizedTrapdoorFunction : public TrapdoorFunctionBounds
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{
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public:
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~RandomizedTrapdoorFunction() { }
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#endif
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//! \brief Applies the trapdoor function, using random data if required
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//! \param rng a \p RandomNumberGenerator derived class
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@ -113,10 +116,6 @@ public:
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//! \returns \p true if the encryption algorithm is randomized, \p false otherwise
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//! \details If \p IsRandomized() returns \p false, then \p NullRNG() can be used.
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virtual bool IsRandomized() const {return true;}
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~RandomizedTrapdoorFunction() { }
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#endif
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};
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//! \class TrapdoorFunction
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@ -235,6 +234,10 @@ template <class TFI, class MEI>
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class CRYPTOPP_NO_VTABLE TF_Base
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{
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protected:
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_Base() { }
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#endif
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virtual const TrapdoorFunctionBounds & GetTrapdoorFunctionBounds() const =0;
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typedef TFI TrapdoorFunctionInterface;
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@ -242,10 +245,6 @@ protected:
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typedef MEI MessageEncodingInterface;
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virtual const MessageEncodingInterface & GetMessageEncodingInterface() const =0;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_Base() { }
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#endif
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};
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// ********************************************************
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@ -257,6 +256,10 @@ template <class BASE>
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class CRYPTOPP_NO_VTABLE PK_FixedLengthCryptoSystemImpl : public BASE
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{
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public:
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~PK_FixedLengthCryptoSystemImpl() { }
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#endif
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size_t MaxPlaintextLength(size_t ciphertextLength) const
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{return ciphertextLength == FixedCiphertextLength() ? FixedMaxPlaintextLength() : 0;}
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size_t CiphertextLength(size_t plaintextLength) const
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@ -264,10 +267,6 @@ public:
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virtual size_t FixedMaxPlaintextLength() const =0;
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virtual size_t FixedCiphertextLength() const =0;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~PK_FixedLengthCryptoSystemImpl() { }
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#endif
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};
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//! \class TF_CryptoSystemBase
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@ -278,6 +277,10 @@ template <class INTERFACE, class BASE>
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class CRYPTOPP_NO_VTABLE TF_CryptoSystemBase : public PK_FixedLengthCryptoSystemImpl<INTERFACE>, protected BASE
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{
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public:
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_CryptoSystemBase() { }
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#endif
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bool ParameterSupported(const char *name) const {return this->GetMessageEncodingInterface().ParameterSupported(name);}
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size_t FixedMaxPlaintextLength() const {return this->GetMessageEncodingInterface().MaxUnpaddedLength(PaddedBlockBitLength());}
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size_t FixedCiphertextLength() const {return this->GetTrapdoorFunctionBounds().MaxImage().ByteCount();}
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@ -286,10 +289,6 @@ protected:
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size_t PaddedBlockByteLength() const {return BitsToBytes(PaddedBlockBitLength());}
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// Coverity finding on potential overflow/underflow.
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size_t PaddedBlockBitLength() const {return SaturatingSubtract(this->GetTrapdoorFunctionBounds().PreimageBound().BitCount(),1U);}
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_CryptoSystemBase() { }
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#endif
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};
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//! \class TF_DecryptorBase
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@ -297,11 +296,11 @@ protected:
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class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TF_DecryptorBase : public TF_CryptoSystemBase<PK_Decryptor, TF_Base<TrapdoorFunctionInverse, PK_EncryptionMessageEncodingMethod> >
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{
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public:
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DecodingResult Decrypt(RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters = g_nullNameValuePairs) const;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_DecryptorBase() { }
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#endif
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DecodingResult Decrypt(RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters = g_nullNameValuePairs) const;
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};
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//! \class TF_DecryptorBase
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@ -309,11 +308,11 @@ public:
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class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TF_EncryptorBase : public TF_CryptoSystemBase<PK_Encryptor, TF_Base<RandomizedTrapdoorFunction, PK_EncryptionMessageEncodingMethod> >
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{
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public:
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void Encrypt(RandomNumberGenerator &rng, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs ¶meters = g_nullNameValuePairs) const;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_EncryptorBase() { }
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#endif
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void Encrypt(RandomNumberGenerator &rng, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs ¶meters = g_nullNameValuePairs) const;
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};
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// ********************************************************
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@ -486,6 +485,10 @@ template <class INTERFACE, class BASE>
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class CRYPTOPP_NO_VTABLE TF_SignatureSchemeBase : public INTERFACE, protected BASE
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{
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public:
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_SignatureSchemeBase() { }
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#endif
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size_t SignatureLength() const
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{return this->GetTrapdoorFunctionBounds().MaxPreimage().ByteCount();}
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size_t MaxRecoverableLength() const
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@ -499,10 +502,6 @@ public:
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{return this->GetMessageEncodingInterface().AllowNonrecoverablePart();}
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bool RecoverablePartFirst() const
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{return this->GetMessageEncodingInterface().RecoverablePartFirst();}
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_SignatureSchemeBase() { }
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#endif
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protected:
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size_t MessageRepresentativeLength() const {return BitsToBytes(MessageRepresentativeBitLength());}
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@ -516,25 +515,25 @@ protected:
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class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TF_SignerBase : public TF_SignatureSchemeBase<PK_Signer, TF_Base<RandomizedTrapdoorFunctionInverse, PK_SignatureMessageEncodingMethod> >
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{
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public:
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void InputRecoverableMessage(PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const;
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size_t SignAndRestart(RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart=true) const;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_SignerBase() { }
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#endif
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void InputRecoverableMessage(PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const;
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size_t SignAndRestart(RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart=true) const;
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};
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//! _
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class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TF_VerifierBase : public TF_SignatureSchemeBase<PK_Verifier, TF_Base<TrapdoorFunction, PK_SignatureMessageEncodingMethod> >
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{
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public:
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void InputSignature(PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const;
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bool VerifyAndRestart(PK_MessageAccumulator &messageAccumulator) const;
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DecodingResult RecoverAndRestart(byte *recoveredMessage, PK_MessageAccumulator &recoveryAccumulator) const;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_VerifierBase() { }
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#endif
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void InputSignature(PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const;
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bool VerifyAndRestart(PK_MessageAccumulator &messageAccumulator) const;
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DecodingResult RecoverAndRestart(byte *recoveredMessage, PK_MessageAccumulator &recoveryAccumulator) const;
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};
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// ********************************************************
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@ -565,6 +564,10 @@ public:
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typedef SCHEME_OPTIONS SchemeOptions;
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typedef KEY_CLASS KeyClass;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_ObjectImplBase() { }
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#endif
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PublicKey & AccessPublicKey() {return AccessKey();}
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const PublicKey & GetPublicKey() const {return GetKey();}
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@ -585,10 +588,6 @@ public:
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{
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return new PK_MessageAccumulatorImpl<CPP_TYPENAME SCHEME_OPTIONS::HashFunction>;
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}
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_ObjectImplBase() { }
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#endif
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protected:
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const typename BASE::MessageEncodingInterface & GetMessageEncodingInterface() const
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@ -616,16 +615,16 @@ template <class BASE, class SCHEME_OPTIONS, class KEY>
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class TF_ObjectImplExtRef : public TF_ObjectImplBase<BASE, SCHEME_OPTIONS, KEY>
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{
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public:
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_ObjectImplExtRef() { }
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#endif
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TF_ObjectImplExtRef(const KEY *pKey = NULL) : m_pKey(pKey) {}
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void SetKeyPtr(const KEY *pKey) {m_pKey = pKey;}
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const KEY & GetKey() const {return *m_pKey;}
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KEY & AccessKey() {throw NotImplemented("TF_ObjectImplExtRef: cannot modify refererenced key");}
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_ObjectImplExtRef() { }
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#endif
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private:
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const KEY * m_pKey;
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};
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@ -637,13 +636,13 @@ class CRYPTOPP_NO_VTABLE TF_ObjectImpl : public TF_ObjectImplBase<BASE, SCHEME_O
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public:
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typedef KEY_CLASS KeyClass;
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const KeyClass & GetKey() const {return m_trapdoorFunction;}
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KeyClass & AccessKey() {return m_trapdoorFunction;}
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~TF_ObjectImpl() { }
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#endif
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const KeyClass & GetKey() const {return m_trapdoorFunction;}
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KeyClass & AccessKey() {return m_trapdoorFunction;}
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private:
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KeyClass m_trapdoorFunction;
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};
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@ -680,6 +679,7 @@ class CRYPTOPP_NO_VTABLE MaskGeneratingFunction
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{
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public:
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virtual ~MaskGeneratingFunction() {}
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//! \brief Generate and apply mask
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//! \param hash HashTransformation derived class
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//! \param output the destination byte array
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@ -752,6 +752,10 @@ class CRYPTOPP_NO_VTABLE DL_GroupParameters : public CryptoParameters
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public:
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typedef T Element;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_GroupParameters() { }
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#endif
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DL_GroupParameters() : m_validationLevel(0) {}
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// CryptoMaterial
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@ -942,10 +946,6 @@ public:
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//! \pre <tt>COUNTOF(exponents) == exponentsCount</tt>
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virtual void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const =0;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_GroupParameters() { }
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#endif
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protected:
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void ParametersChanged() {m_validationLevel = 0;}
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@ -965,6 +965,10 @@ public:
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typedef typename GROUP_PRECOMP::Element Element;
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typedef BASE_PRECOMP BasePrecomputation;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_GroupParametersImpl() { }
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#endif
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//! \brief Retrieves the group precomputation
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//! \return a const reference to the group precomputation
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const DL_GroupPrecomputation<Element> & GetGroupPrecomputation() const {return m_groupPrecomputation;}
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@ -977,10 +981,6 @@ public:
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//! \return a non-const reference to the group precomputation using a fixed base
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DL_FixedBasePrecomputation<Element> & AccessBasePrecomputation() {return m_gpc;}
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_GroupParametersImpl() { }
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#endif
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protected:
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GROUP_PRECOMP m_groupPrecomputation;
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BASE_PRECOMP m_gpc;
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@ -993,6 +993,10 @@ template <class T>
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class CRYPTOPP_NO_VTABLE DL_Key
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{
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public:
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_Key() { }
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#endif
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//! \brief Retrieves abstract group parameters
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//! \return a const reference to the group parameters
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virtual const DL_GroupParameters<T> & GetAbstractGroupParameters() const =0;
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@ -1010,6 +1014,10 @@ class CRYPTOPP_NO_VTABLE DL_PublicKey : public DL_Key<T>
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public:
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typedef T Element;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_PublicKey() { }
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#endif
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bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
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{
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return GetValueHelper(this, name, valueType, pValue, &this->GetAbstractGroupParameters())
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@ -1034,10 +1042,6 @@ public:
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virtual const DL_FixedBasePrecomputation<T> & GetPublicPrecomputation() const =0;
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virtual DL_FixedBasePrecomputation<T> & AccessPublicPrecomputation() =0;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_PublicKey() { }
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#endif
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};
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//! \brief Interface for Discrete Log (DL) private keys
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@ -1049,6 +1053,10 @@ class CRYPTOPP_NO_VTABLE DL_PrivateKey : public DL_Key<T>
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public:
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typedef T Element;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_PrivateKey() { }
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#endif
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void MakePublicKey(DL_PublicKey<T> &pub) const
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{
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pub.AccessAbstractGroupParameters().AssignFrom(this->GetAbstractGroupParameters());
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@ -1070,10 +1078,6 @@ public:
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virtual const Integer & GetPrivateExponent() const =0;
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virtual void SetPrivateExponent(const Integer &x) =0;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_PrivateKey() { }
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#endif
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};
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template <class T>
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@ -1099,6 +1103,10 @@ class DL_KeyImpl : public PK
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public:
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typedef GP GroupParameters;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_KeyImpl() { }
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#endif
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O GetAlgorithmID() const {return GetGroupParameters().GetAlgorithmID();}
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// void BERDecode(BufferedTransformation &bt)
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// {PK::BERDecode(bt);}
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@ -1126,6 +1134,10 @@ class DL_PrivateKeyImpl : public DL_PrivateKey<CPP_TYPENAME GP::Element>, public
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public:
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typedef typename GP::Element Element;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_PrivateKeyImpl() { }
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#endif
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// GeneratableCryptoMaterial
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bool Validate(RandomNumberGenerator &rng, unsigned int level) const
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{
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@ -1195,6 +1207,10 @@ template <class BASE, class SIGNATURE_SCHEME>
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class DL_PrivateKey_WithSignaturePairwiseConsistencyTest : public BASE
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{
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public:
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_PrivateKey_WithSignaturePairwiseConsistencyTest() { }
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#endif
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void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs ¶ms)
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{
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BASE::GenerateRandom(rng, params);
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@ -1215,6 +1231,10 @@ class DL_PublicKeyImpl : public DL_PublicKey<typename GP::Element>, public DL_Ke
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public:
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typedef typename GP::Element Element;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_PublicKeyImpl() { }
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#endif
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// CryptoMaterial
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bool Validate(RandomNumberGenerator &rng, unsigned int level) const
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{
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@ -1274,6 +1294,10 @@ template <class T>
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class CRYPTOPP_NO_VTABLE DL_ElgamalLikeSignatureAlgorithm
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{
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public:
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_ElgamalLikeSignatureAlgorithm() { }
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#endif
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virtual void Sign(const DL_GroupParameters<T> ¶ms, const Integer &privateKey, const Integer &k, const Integer &e, Integer &r, Integer &s) const =0;
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virtual bool Verify(const DL_GroupParameters<T> ¶ms, const DL_PublicKey<T> &publicKey, const Integer &e, const Integer &r, const Integer &s) const =0;
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virtual Integer RecoverPresignature(const DL_GroupParameters<T> ¶ms, const DL_PublicKey<T> &publicKey, const Integer &r, const Integer &s) const
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@ -1294,12 +1318,12 @@ class CRYPTOPP_NO_VTABLE DL_KeyAgreementAlgorithm
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public:
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typedef T Element;
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virtual Element AgreeWithEphemeralPrivateKey(const DL_GroupParameters<Element> ¶ms, const DL_FixedBasePrecomputation<Element> &publicPrecomputation, const Integer &privateExponent) const =0;
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virtual Element AgreeWithStaticPrivateKey(const DL_GroupParameters<Element> ¶ms, const Element &publicElement, bool validateOtherPublicKey, const Integer &privateExponent) const =0;
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#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
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virtual ~DL_KeyAgreementAlgorithm() { }
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#endif
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virtual Element AgreeWithEphemeralPrivateKey(const DL_GroupParameters<Element> ¶ms, const DL_FixedBasePrecomputation<Element> &publicPrecomputation, const Integer &privateExponent) const =0;
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virtual Element AgreeWithStaticPrivateKey(const DL_GroupParameters<Element> ¶ms, const Element &publicElement, bool validateOtherPublicKey, const Integer &privateExponent) const =0;
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};
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//! \brief Interface for key derivation algorithms used in DL cryptosystems
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@ -1307,19 +1331,23 @@ template <class T>
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class CRYPTOPP_NO_VTABLE DL_KeyDerivationAlgorithm
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{
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public:
|
||||
virtual bool ParameterSupported(const char *name) const
|
||||
{CRYPTOPP_UNUSED(name); return false;}
|
||||
virtual void Derive(const DL_GroupParameters<T> &groupParams, byte *derivedKey, size_t derivedLength, const T &agreedElement, const T &ephemeralPublicKey, const NameValuePairs &derivationParams) const =0;
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_KeyDerivationAlgorithm() { }
|
||||
#endif
|
||||
|
||||
virtual bool ParameterSupported(const char *name) const
|
||||
{CRYPTOPP_UNUSED(name); return false;}
|
||||
virtual void Derive(const DL_GroupParameters<T> &groupParams, byte *derivedKey, size_t derivedLength, const T &agreedElement, const T &ephemeralPublicKey, const NameValuePairs &derivationParams) const =0;
|
||||
};
|
||||
|
||||
//! \brief Interface for symmetric encryption algorithms used in DL cryptosystems
|
||||
class CRYPTOPP_NO_VTABLE DL_SymmetricEncryptionAlgorithm
|
||||
{
|
||||
public:
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_SymmetricEncryptionAlgorithm() { }
|
||||
#endif
|
||||
|
||||
virtual bool ParameterSupported(const char *name) const
|
||||
{CRYPTOPP_UNUSED(name); return false;}
|
||||
virtual size_t GetSymmetricKeyLength(size_t plaintextLength) const =0;
|
||||
@ -1327,13 +1355,10 @@ public:
|
||||
virtual size_t GetMaxSymmetricPlaintextLength(size_t ciphertextLength) const =0;
|
||||
virtual void SymmetricEncrypt(RandomNumberGenerator &rng, const byte *key, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs ¶meters) const =0;
|
||||
virtual DecodingResult SymmetricDecrypt(const byte *key, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters) const =0;
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_SymmetricEncryptionAlgorithm() { }
|
||||
#endif
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) base interface
|
||||
//! \tparam KI public or private key interface
|
||||
template <class KI>
|
||||
class CRYPTOPP_NO_VTABLE DL_Base
|
||||
{
|
||||
@ -1341,42 +1366,65 @@ protected:
|
||||
typedef KI KeyInterface;
|
||||
typedef typename KI::Element Element;
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_Base() { }
|
||||
#endif
|
||||
|
||||
const DL_GroupParameters<Element> & GetAbstractGroupParameters() const {return GetKeyInterface().GetAbstractGroupParameters();}
|
||||
DL_GroupParameters<Element> & AccessAbstractGroupParameters() {return AccessKeyInterface().AccessAbstractGroupParameters();}
|
||||
|
||||
virtual KeyInterface & AccessKeyInterface() =0;
|
||||
virtual const KeyInterface & GetKeyInterface() const =0;
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_Base() { }
|
||||
#endif
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) signature scheme base implementation
|
||||
//! \tparam INTERFACE PK_Signer or PK_Verifier derived class
|
||||
//! \tparam DL_Base key base used in the scheme
|
||||
//! \details DL_SignatureSchemeBase provides common functions for signers and verifiers.
|
||||
//! DL_Base<DL_PrivateKey> is used for signers, and DL_Base<DL_PublicKey> is used for verifiers.
|
||||
template <class INTERFACE, class KEY_INTERFACE>
|
||||
class CRYPTOPP_NO_VTABLE DL_SignatureSchemeBase : public INTERFACE, public DL_Base<KEY_INTERFACE>
|
||||
{
|
||||
public:
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_SignatureSchemeBase() { }
|
||||
#endif
|
||||
|
||||
//! \brief Provides the signature length
|
||||
//! \returns signature length, in bytes
|
||||
//! \details SignatureLength returns the size required for <tt>r+s</tt>.
|
||||
size_t SignatureLength() const
|
||||
{
|
||||
return GetSignatureAlgorithm().RLen(this->GetAbstractGroupParameters())
|
||||
+ GetSignatureAlgorithm().SLen(this->GetAbstractGroupParameters());
|
||||
}
|
||||
|
||||
//! \brief Provides the maximum recoverable length
|
||||
//! \returns maximum recoverable length, in bytes
|
||||
size_t MaxRecoverableLength() const
|
||||
{return GetMessageEncodingInterface().MaxRecoverableLength(0, GetHashIdentifier().second, GetDigestSize());}
|
||||
|
||||
//! \brief Provides the maximum recoverable length
|
||||
//! \param signatureLength the size fo the signature
|
||||
//! \returns maximum recoverable length based on signature length, in bytes
|
||||
//! \details this function is not implemented and always returns 0.
|
||||
size_t MaxRecoverableLengthFromSignatureLength(size_t signatureLength) const
|
||||
{CRYPTOPP_UNUSED(signatureLength); assert(false); return 0;} // TODO
|
||||
|
||||
//! \brief Determines if the scheme is probabilistic
|
||||
//! \returns true if the scheme is probabilistic, false otherwise
|
||||
bool IsProbabilistic() const
|
||||
{return true;}
|
||||
|
||||
//! \brief Determines if the scheme has non-recoverable part
|
||||
//! \returns true if the message encoding has a non-recoverable part, false otherwise.
|
||||
bool AllowNonrecoverablePart() const
|
||||
{return GetMessageEncodingInterface().AllowNonrecoverablePart();}
|
||||
|
||||
//! \brief Determines if the scheme allows recoverable part first
|
||||
//! \returns true if the message encoding allows the recoverable part, false otherwise.
|
||||
bool RecoverablePartFirst() const
|
||||
{return GetMessageEncodingInterface().RecoverablePartFirst();}
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_SignatureSchemeBase() { }
|
||||
#endif
|
||||
|
||||
protected:
|
||||
size_t MessageRepresentativeLength() const {return BitsToBytes(MessageRepresentativeBitLength());}
|
||||
@ -1388,12 +1436,21 @@ protected:
|
||||
virtual size_t GetDigestSize() const =0;
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) signature scheme signer base implementation
|
||||
//! \tparam T
|
||||
template <class T>
|
||||
class CRYPTOPP_NO_VTABLE DL_SignerBase : public DL_SignatureSchemeBase<PK_Signer, DL_PrivateKey<T> >
|
||||
{
|
||||
public:
|
||||
// for validation testing
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_SignerBase() { }
|
||||
#endif
|
||||
|
||||
//! \brief Testing interface
|
||||
//! \param k Integer
|
||||
//! \param e Integer
|
||||
//! \param r Integer
|
||||
//! \param s Integer
|
||||
void RawSign(const Integer &k, const Integer &e, Integer &r, Integer &s) const
|
||||
{
|
||||
const DL_ElgamalLikeSignatureAlgorithm<T> &alg = this->GetSignatureAlgorithm();
|
||||
@ -1459,10 +1516,6 @@ public:
|
||||
|
||||
return this->SignatureLength();
|
||||
}
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_SignerBase() { }
|
||||
#endif
|
||||
|
||||
protected:
|
||||
void RestartMessageAccumulator(RandomNumberGenerator &rng, PK_MessageAccumulatorBase &ma) const
|
||||
@ -1487,6 +1540,10 @@ template <class T>
|
||||
class CRYPTOPP_NO_VTABLE DL_VerifierBase : public DL_SignatureSchemeBase<PK_Verifier, DL_PublicKey<T> >
|
||||
{
|
||||
public:
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_VerifierBase() { }
|
||||
#endif
|
||||
|
||||
void InputSignature(PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const
|
||||
{
|
||||
CRYPTOPP_UNUSED(signature); CRYPTOPP_UNUSED(signatureLength);
|
||||
@ -1549,19 +1606,21 @@ public:
|
||||
ma.m_semisignature, ma.m_semisignature.size(),
|
||||
recoveredMessage);
|
||||
}
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_VerifierBase() { }
|
||||
#endif
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) cryptosystem base implementation
|
||||
//! \tparam PK field element type
|
||||
//! \tparam KI public or private key interface
|
||||
template <class PK, class KI>
|
||||
class CRYPTOPP_NO_VTABLE DL_CryptoSystemBase : public PK, public DL_Base<KI>
|
||||
{
|
||||
public:
|
||||
typedef typename DL_Base<KI>::Element Element;
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_CryptoSystemBase() { }
|
||||
#endif
|
||||
|
||||
size_t MaxPlaintextLength(size_t ciphertextLength) const
|
||||
{
|
||||
unsigned int minLen = this->GetAbstractGroupParameters().GetEncodedElementSize(true);
|
||||
@ -1576,10 +1635,6 @@ public:
|
||||
|
||||
bool ParameterSupported(const char *name) const
|
||||
{return GetKeyDerivationAlgorithm().ParameterSupported(name) || GetSymmetricEncryptionAlgorithm().ParameterSupported(name);}
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_CryptoSystemBase() { }
|
||||
#endif
|
||||
|
||||
protected:
|
||||
virtual const DL_KeyAgreementAlgorithm<Element> & GetKeyAgreementAlgorithm() const =0;
|
||||
@ -1587,13 +1642,18 @@ protected:
|
||||
virtual const DL_SymmetricEncryptionAlgorithm & GetSymmetricEncryptionAlgorithm() const =0;
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) decryptor base implementation
|
||||
//! \tparam T field element type
|
||||
template <class T>
|
||||
class CRYPTOPP_NO_VTABLE DL_DecryptorBase : public DL_CryptoSystemBase<PK_Decryptor, DL_PrivateKey<T> >
|
||||
{
|
||||
public:
|
||||
typedef T Element;
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_DecryptorBase() { }
|
||||
#endif
|
||||
|
||||
DecodingResult Decrypt(RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters = g_nullNameValuePairs) const
|
||||
{
|
||||
try
|
||||
@ -1622,19 +1682,20 @@ public:
|
||||
return DecodingResult();
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_DecryptorBase() { }
|
||||
#endif
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) encryptor base implementation
|
||||
//! \tparam T field element type
|
||||
template <class T>
|
||||
class CRYPTOPP_NO_VTABLE DL_EncryptorBase : public DL_CryptoSystemBase<PK_Encryptor, DL_PublicKey<T> >
|
||||
{
|
||||
public:
|
||||
typedef T Element;
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_EncryptorBase() { }
|
||||
#endif
|
||||
|
||||
void Encrypt(RandomNumberGenerator &rng, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs ¶meters = g_nullNameValuePairs) const
|
||||
{
|
||||
const DL_KeyAgreementAlgorithm<T> &agreeAlg = this->GetKeyAgreementAlgorithm();
|
||||
@ -1656,13 +1717,11 @@ public:
|
||||
|
||||
encAlg.SymmetricEncrypt(rng, derivedKey, plaintext, plaintextLength, ciphertext, parameters);
|
||||
}
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_EncryptorBase() { }
|
||||
#endif
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) scheme options
|
||||
//! \tparam T1 algorithm information
|
||||
//! \tparam T2 group paramters for the scheme
|
||||
template <class T1, class T2>
|
||||
struct DL_SchemeOptionsBase
|
||||
{
|
||||
@ -1671,7 +1730,9 @@ struct DL_SchemeOptionsBase
|
||||
typedef typename GroupParameters::Element Element;
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) key options
|
||||
//! \tparam T1 algorithm information
|
||||
//! \tparam T2 keys used in the scheme
|
||||
template <class T1, class T2>
|
||||
struct DL_KeyedSchemeOptions : public DL_SchemeOptionsBase<T1, typename T2::PublicKey::GroupParameters>
|
||||
{
|
||||
@ -1680,7 +1741,12 @@ struct DL_KeyedSchemeOptions : public DL_SchemeOptionsBase<T1, typename T2::Publ
|
||||
typedef typename Keys::PublicKey PublicKey;
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) signature scheme options
|
||||
//! \tparam T1 algorithm information
|
||||
//! \tparam T2 keys used in the scheme
|
||||
//! \tparam T3 signature algorithm
|
||||
//! \tparam T4 message encoding method
|
||||
//! \tparam T5 hash function
|
||||
template <class T1, class T2, class T3, class T4, class T5>
|
||||
struct DL_SignatureSchemeOptions : public DL_KeyedSchemeOptions<T1, T2>
|
||||
{
|
||||
@ -1689,7 +1755,12 @@ struct DL_SignatureSchemeOptions : public DL_KeyedSchemeOptions<T1, T2>
|
||||
typedef T5 HashFunction;
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) crypto scheme options
|
||||
//! \tparam T1 algorithm information
|
||||
//! \tparam T2 keys used in the scheme
|
||||
//! \tparam T3 key agreement algorithm
|
||||
//! \tparam T4 key derivation algorithm
|
||||
//! \tparam T5 symmetric encryption algorithm
|
||||
template <class T1, class T2, class T3, class T4, class T5>
|
||||
struct DL_CryptoSchemeOptions : public DL_KeyedSchemeOptions<T1, T2>
|
||||
{
|
||||
@ -1698,7 +1769,10 @@ struct DL_CryptoSchemeOptions : public DL_KeyedSchemeOptions<T1, T2>
|
||||
typedef T5 SymmetricEncryptionAlgorithm;
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) base object implementation
|
||||
//! \tparam BASE TODO
|
||||
//! \tparam SCHEME_OPTIONS options for the scheme
|
||||
//! \tparam KEY key used in the scheme
|
||||
template <class BASE, class SCHEME_OPTIONS, class KEY>
|
||||
class CRYPTOPP_NO_VTABLE DL_ObjectImplBase : public AlgorithmImpl<BASE, typename SCHEME_OPTIONS::AlgorithmInfo>
|
||||
{
|
||||
@ -1706,16 +1780,16 @@ public:
|
||||
typedef SCHEME_OPTIONS SchemeOptions;
|
||||
typedef typename KEY::Element Element;
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_ObjectImplBase() { }
|
||||
#endif
|
||||
|
||||
PrivateKey & AccessPrivateKey() {return m_key;}
|
||||
PublicKey & AccessPublicKey() {return m_key;}
|
||||
|
||||
// KeyAccessor
|
||||
const KEY & GetKey() const {return m_key;}
|
||||
KEY & AccessKey() {return m_key;}
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_ObjectImplBase() { }
|
||||
#endif
|
||||
|
||||
protected:
|
||||
typename BASE::KeyInterface & AccessKeyInterface() {return m_key;}
|
||||
@ -1737,7 +1811,10 @@ private:
|
||||
KEY m_key;
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) object implementation
|
||||
//! \tparam BASE TODO
|
||||
//! \tparam SCHEME_OPTIONS options for the scheme
|
||||
//! \tparam KEY key used in the scheme
|
||||
template <class BASE, class SCHEME_OPTIONS, class KEY>
|
||||
class CRYPTOPP_NO_VTABLE DL_ObjectImpl : public DL_ObjectImplBase<BASE, SCHEME_OPTIONS, KEY>
|
||||
{
|
||||
@ -1763,7 +1840,8 @@ protected:
|
||||
{return Singleton<CPP_TYPENAME SCHEME_OPTIONS::MessageEncodingMethod>().Ref();}
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) signer implementation
|
||||
//! \tparam SCHEME_OPTIONS options for the scheme
|
||||
template <class SCHEME_OPTIONS>
|
||||
class DL_SignerImpl : public DL_ObjectImpl<DL_SignerBase<typename SCHEME_OPTIONS::Element>, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PrivateKey>
|
||||
{
|
||||
@ -1776,7 +1854,8 @@ public:
|
||||
}
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) verifier implementation
|
||||
//! \tparam SCHEME_OPTIONS options for the scheme
|
||||
template <class SCHEME_OPTIONS>
|
||||
class DL_VerifierImpl : public DL_ObjectImpl<DL_VerifierBase<typename SCHEME_OPTIONS::Element>, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PublicKey>
|
||||
{
|
||||
@ -1787,13 +1866,15 @@ public:
|
||||
}
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) encryptor implementation
|
||||
//! \tparam SCHEME_OPTIONS options for the scheme
|
||||
template <class SCHEME_OPTIONS>
|
||||
class DL_EncryptorImpl : public DL_ObjectImpl<DL_EncryptorBase<typename SCHEME_OPTIONS::Element>, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PublicKey>
|
||||
{
|
||||
};
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) decryptor implementation
|
||||
//! \tparam SCHEME_OPTIONS options for the scheme
|
||||
template <class SCHEME_OPTIONS>
|
||||
class DL_DecryptorImpl : public DL_ObjectImpl<DL_DecryptorBase<typename SCHEME_OPTIONS::Element>, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PrivateKey>
|
||||
{
|
||||
@ -1801,13 +1882,18 @@ class DL_DecryptorImpl : public DL_ObjectImpl<DL_DecryptorBase<typename SCHEME_O
|
||||
|
||||
// ********************************************************
|
||||
|
||||
//! _
|
||||
//! \brief Discrete Log (DL) simple key agreement base implementation
|
||||
//! \tparam T class or type
|
||||
template <class T>
|
||||
class CRYPTOPP_NO_VTABLE DL_SimpleKeyAgreementDomainBase : public SimpleKeyAgreementDomain
|
||||
{
|
||||
public:
|
||||
typedef T Element;
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_SimpleKeyAgreementDomainBase() { }
|
||||
#endif
|
||||
|
||||
CryptoParameters & AccessCryptoParameters() {return AccessAbstractGroupParameters();}
|
||||
unsigned int AgreedValueLength() const {return GetAbstractGroupParameters().GetEncodedElementSize(false);}
|
||||
unsigned int PrivateKeyLength() const {return GetAbstractGroupParameters().GetSubgroupOrder().ByteCount();}
|
||||
@ -1847,11 +1933,9 @@ public:
|
||||
return true;
|
||||
}
|
||||
|
||||
//! \brief Retrieves a reference to the group generator
|
||||
//! \returns const reference to the group generator
|
||||
const Element &GetGenerator() const {return GetAbstractGroupParameters().GetSubgroupGenerator();}
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_SimpleKeyAgreementDomainBase() { }
|
||||
#endif
|
||||
|
||||
protected:
|
||||
virtual const DL_KeyAgreementAlgorithm<Element> & GetKeyAgreementAlgorithm() const =0;
|
||||
@ -1886,6 +1970,10 @@ class DL_KeyAgreementAlgorithm_DH : public DL_KeyAgreementAlgorithm<ELEMENT>
|
||||
public:
|
||||
typedef ELEMENT Element;
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_KeyAgreementAlgorithm_DH() {}
|
||||
#endif
|
||||
|
||||
static const char * CRYPTOPP_API StaticAlgorithmName()
|
||||
{return COFACTOR_OPTION::ToEnum() == INCOMPATIBLE_COFACTOR_MULTIPLICTION ? "DHC" : "DH";}
|
||||
|
||||
@ -1929,15 +2017,11 @@ public:
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
|
||||
virtual ~DL_KeyAgreementAlgorithm_DH() {}
|
||||
#endif
|
||||
};
|
||||
|
||||
// ********************************************************
|
||||
|
||||
//! \details Template implementing constructors for public key algorithm classes
|
||||
//! \brief Template implementing constructors for public key algorithm classes
|
||||
template <class BASE>
|
||||
class CRYPTOPP_NO_VTABLE PK_FinalTemplate : public BASE
|
||||
{
|
||||
@ -2057,10 +2141,13 @@ struct EncryptionStandard {};
|
||||
//! Not all standards apply to all algorithms.
|
||||
struct SignatureStandard {};
|
||||
|
||||
//! \brief Trapdoor Function (TF) encryption scheme
|
||||
//! \tparam STANDARD standard
|
||||
//! \tparam KEYS keys used in the encryption scheme
|
||||
//! \tparam ALG_INFO algorithm information
|
||||
template <class STANDARD, class KEYS, class ALG_INFO>
|
||||
class TF_ES;
|
||||
|
||||
//! \brief Trapdoor Function Based Encryption Scheme
|
||||
template <class STANDARD, class KEYS, class ALG_INFO = TF_ES<STANDARD, KEYS, int> >
|
||||
class TF_ES : public KEYS
|
||||
{
|
||||
@ -2079,10 +2166,15 @@ public:
|
||||
typedef PK_FinalTemplate<TF_EncryptorImpl<SchemeOptions> > Encryptor;
|
||||
};
|
||||
|
||||
//! \class TF_SS
|
||||
//! \brief Trapdoor Function (TF) Signature Scheme
|
||||
//! \tparam STANDARD standard
|
||||
//! \tparam H hash function
|
||||
//! \tparam KEYS keys used in the signature scheme
|
||||
//! \tparam ALG_INFO algorithm information
|
||||
template <class STANDARD, class H, class KEYS, class ALG_INFO> // VC60 workaround: doesn't work if KEYS is first parameter
|
||||
class TF_SS;
|
||||
|
||||
//! \brief Trapdoor Function Based Signature Scheme
|
||||
template <class STANDARD, class H, class KEYS, class ALG_INFO = TF_SS<STANDARD, H, KEYS, int> > // VC60 workaround: doesn't work if KEYS is first parameter
|
||||
class TF_SS : public KEYS
|
||||
{
|
||||
@ -2100,10 +2192,16 @@ public:
|
||||
typedef PK_FinalTemplate<TF_VerifierImpl<SchemeOptions> > Verifier;
|
||||
};
|
||||
|
||||
//! \class DL_SS
|
||||
//! \brief Discrete Log (DL) signature scheme
|
||||
//! \tparam KEYS keys used in the signature scheme
|
||||
//! \tparam SA signature algorithm
|
||||
//! \tparam MEM message encoding method
|
||||
//! \tparam H hash function
|
||||
//! \tparam ALG_INFO algorithm information
|
||||
template <class KEYS, class SA, class MEM, class H, class ALG_INFO>
|
||||
class DL_SS;
|
||||
|
||||
//! \brief Discrete Log Based Signature Scheme
|
||||
template <class KEYS, class SA, class MEM, class H, class ALG_INFO = DL_SS<KEYS, SA, MEM, H, int> >
|
||||
class DL_SS : public KEYS
|
||||
{
|
||||
@ -2118,7 +2216,12 @@ public:
|
||||
typedef PK_FinalTemplate<DL_VerifierImpl<SchemeOptions> > Verifier;
|
||||
};
|
||||
|
||||
//! \brief Discrete Log Based Encryption Scheme
|
||||
//! \brief Discrete Log (DL) encryption scheme
|
||||
//! \tparam KEYS keys used in the encryption scheme
|
||||
//! \tparam AA key agreement algorithm
|
||||
//! \tparam DA key derivation algorithm
|
||||
//! \tparam EA encryption algorithm
|
||||
//! \tparam ALG_INFO algorithm information
|
||||
template <class KEYS, class AA, class DA, class EA, class ALG_INFO>
|
||||
class DL_ES : public KEYS
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user