From 5494fc310acf0aabb9d828451331e44483eb21c7 Mon Sep 17 00:00:00 2001 From: Malfurious Date: Mon, 21 Oct 2024 11:09:00 -0400 Subject: Remove Crypto++ library The tracked version of Crypto++ is going on 10 years old and doesn't always compile properly on modern tooling. This removes the entire subdirectory as well as references to files in the build script. Due to the number of files touched by this commit, I opt to add its replacement in the next commit. Signed-off-by: Malfurious --- cryptopp562/mqv.h | 141 ------------------------------------------------------ 1 file changed, 141 deletions(-) delete mode 100644 cryptopp562/mqv.h (limited to 'cryptopp562/mqv.h') diff --git a/cryptopp562/mqv.h b/cryptopp562/mqv.h deleted file mode 100644 index 2683817..0000000 --- a/cryptopp562/mqv.h +++ /dev/null @@ -1,141 +0,0 @@ -#ifndef CRYPTOPP_MQV_H -#define CRYPTOPP_MQV_H - -/** \file -*/ - -#include "gfpcrypt.h" - -NAMESPACE_BEGIN(CryptoPP) - -//! _ -template -class MQV_Domain : public AuthenticatedKeyAgreementDomain -{ -public: - typedef GROUP_PARAMETERS GroupParameters; - typedef typename GroupParameters::Element Element; - typedef MQV_Domain Domain; - - MQV_Domain() {} - - MQV_Domain(const GroupParameters ¶ms) - : m_groupParameters(params) {} - - MQV_Domain(BufferedTransformation &bt) - {m_groupParameters.BERDecode(bt);} - - template - MQV_Domain(T1 v1, T2 v2) - {m_groupParameters.Initialize(v1, v2);} - - template - MQV_Domain(T1 v1, T2 v2, T3 v3) - {m_groupParameters.Initialize(v1, v2, v3);} - - template - MQV_Domain(T1 v1, T2 v2, T3 v3, T4 v4) - {m_groupParameters.Initialize(v1, v2, v3, v4);} - - const GroupParameters & GetGroupParameters() const {return m_groupParameters;} - GroupParameters & AccessGroupParameters() {return m_groupParameters;} - - CryptoParameters & AccessCryptoParameters() {return AccessAbstractGroupParameters();} - - unsigned int AgreedValueLength() const {return GetAbstractGroupParameters().GetEncodedElementSize(false);} - unsigned int StaticPrivateKeyLength() const {return GetAbstractGroupParameters().GetSubgroupOrder().ByteCount();} - unsigned int StaticPublicKeyLength() const {return GetAbstractGroupParameters().GetEncodedElementSize(true);} - - void GenerateStaticPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const - { - Integer x(rng, Integer::One(), GetAbstractGroupParameters().GetMaxExponent()); - x.Encode(privateKey, StaticPrivateKeyLength()); - } - - void GenerateStaticPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const - { - const DL_GroupParameters ¶ms = GetAbstractGroupParameters(); - Integer x(privateKey, StaticPrivateKeyLength()); - Element y = params.ExponentiateBase(x); - params.EncodeElement(true, y, publicKey); - } - - unsigned int EphemeralPrivateKeyLength() const {return StaticPrivateKeyLength() + StaticPublicKeyLength();} - unsigned int EphemeralPublicKeyLength() const {return StaticPublicKeyLength();} - - void GenerateEphemeralPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const - { - const DL_GroupParameters ¶ms = GetAbstractGroupParameters(); - Integer x(rng, Integer::One(), params.GetMaxExponent()); - x.Encode(privateKey, StaticPrivateKeyLength()); - Element y = params.ExponentiateBase(x); - params.EncodeElement(true, y, privateKey+StaticPrivateKeyLength()); - } - - void GenerateEphemeralPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const - { - memcpy(publicKey, privateKey+StaticPrivateKeyLength(), EphemeralPublicKeyLength()); - } - - bool Agree(byte *agreedValue, - const byte *staticPrivateKey, const byte *ephemeralPrivateKey, - const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey, - bool validateStaticOtherPublicKey=true) const - { - try - { - const DL_GroupParameters ¶ms = GetAbstractGroupParameters(); - Element WW = params.DecodeElement(staticOtherPublicKey, validateStaticOtherPublicKey); - Element VV = params.DecodeElement(ephemeralOtherPublicKey, true); - - Integer s(staticPrivateKey, StaticPrivateKeyLength()); - Integer u(ephemeralPrivateKey, StaticPrivateKeyLength()); - Element V = params.DecodeElement(ephemeralPrivateKey+StaticPrivateKeyLength(), false); - - const Integer &r = params.GetSubgroupOrder(); - Integer h2 = Integer::Power2((r.BitCount()+1)/2); - Integer e = ((h2+params.ConvertElementToInteger(V)%h2)*s+u) % r; - Integer tt = h2 + params.ConvertElementToInteger(VV) % h2; - - if (COFACTOR_OPTION::ToEnum() == NO_COFACTOR_MULTIPLICTION) - { - Element P = params.ExponentiateElement(WW, tt); - P = m_groupParameters.MultiplyElements(P, VV); - Element R[2]; - const Integer e2[2] = {r, e}; - params.SimultaneousExponentiate(R, P, e2, 2); - if (!params.IsIdentity(R[0]) || params.IsIdentity(R[1])) - return false; - params.EncodeElement(false, R[1], agreedValue); - } - else - { - const Integer &k = params.GetCofactor(); - if (COFACTOR_OPTION::ToEnum() == COMPATIBLE_COFACTOR_MULTIPLICTION) - e = ModularArithmetic(r).Divide(e, k); - Element P = m_groupParameters.CascadeExponentiate(VV, k*e, WW, k*(e*tt%r)); - if (params.IsIdentity(P)) - return false; - params.EncodeElement(false, P, agreedValue); - } - } - catch (DL_BadElement &) - { - return false; - } - return true; - } - -private: - DL_GroupParameters & AccessAbstractGroupParameters() {return m_groupParameters;} - const DL_GroupParameters & GetAbstractGroupParameters() const {return m_groupParameters;} - - GroupParameters m_groupParameters; -}; - -//! Menezes-Qu-Vanstone in GF(p) with key validation, AKA MQV -typedef MQV_Domain MQV; - -NAMESPACE_END - -#endif -- cgit v1.2.3