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/rw.cpp | 196 ----------------------------------------------------- 1 file changed, 196 deletions(-) delete mode 100644 cryptopp562/rw.cpp (limited to 'cryptopp562/rw.cpp') diff --git a/cryptopp562/rw.cpp b/cryptopp562/rw.cpp deleted file mode 100644 index cdd9f2d..0000000 --- a/cryptopp562/rw.cpp +++ /dev/null @@ -1,196 +0,0 @@ -// rw.cpp - written and placed in the public domain by Wei Dai - -#include "pch.h" -#include "rw.h" -#include "nbtheory.h" -#include "asn.h" - -#ifndef CRYPTOPP_IMPORTS - -NAMESPACE_BEGIN(CryptoPP) - -void RWFunction::BERDecode(BufferedTransformation &bt) -{ - BERSequenceDecoder seq(bt); - m_n.BERDecode(seq); - seq.MessageEnd(); -} - -void RWFunction::DEREncode(BufferedTransformation &bt) const -{ - DERSequenceEncoder seq(bt); - m_n.DEREncode(seq); - seq.MessageEnd(); -} - -Integer RWFunction::ApplyFunction(const Integer &in) const -{ - DoQuickSanityCheck(); - - Integer out = in.Squared()%m_n; - const word r = 12; - // this code was written to handle both r = 6 and r = 12, - // but now only r = 12 is used in P1363 - const word r2 = r/2; - const word r3a = (16 + 5 - r) % 16; // n%16 could be 5 or 13 - const word r3b = (16 + 13 - r) % 16; - const word r4 = (8 + 5 - r/2) % 8; // n%8 == 5 - switch (out % 16) - { - case r: - break; - case r2: - case r2+8: - out <<= 1; - break; - case r3a: - case r3b: - out.Negate(); - out += m_n; - break; - case r4: - case r4+8: - out.Negate(); - out += m_n; - out <<= 1; - break; - default: - out = Integer::Zero(); - } - return out; -} - -bool RWFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const -{ - bool pass = true; - pass = pass && m_n > Integer::One() && m_n%8 == 5; - return pass; -} - -bool RWFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const -{ - return GetValueHelper(this, name, valueType, pValue).Assignable() - CRYPTOPP_GET_FUNCTION_ENTRY(Modulus) - ; -} - -void RWFunction::AssignFrom(const NameValuePairs &source) -{ - AssignFromHelper(this, source) - CRYPTOPP_SET_FUNCTION_ENTRY(Modulus) - ; -} - -// ***************************************************************************** -// private key operations: - -// generate a random private key -void InvertibleRWFunction::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg) -{ - int modulusSize = 2048; - alg.GetIntValue("ModulusSize", modulusSize) || alg.GetIntValue("KeySize", modulusSize); - - if (modulusSize < 16) - throw InvalidArgument("InvertibleRWFunction: specified modulus length is too small"); - - AlgorithmParameters primeParam = MakeParametersForTwoPrimesOfEqualSize(modulusSize); - m_p.GenerateRandom(rng, CombinedNameValuePairs(primeParam, MakeParameters("EquivalentTo", 3)("Mod", 8))); - m_q.GenerateRandom(rng, CombinedNameValuePairs(primeParam, MakeParameters("EquivalentTo", 7)("Mod", 8))); - - m_n = m_p * m_q; - m_u = m_q.InverseMod(m_p); -} - -void InvertibleRWFunction::BERDecode(BufferedTransformation &bt) -{ - BERSequenceDecoder seq(bt); - m_n.BERDecode(seq); - m_p.BERDecode(seq); - m_q.BERDecode(seq); - m_u.BERDecode(seq); - seq.MessageEnd(); -} - -void InvertibleRWFunction::DEREncode(BufferedTransformation &bt) const -{ - DERSequenceEncoder seq(bt); - m_n.DEREncode(seq); - m_p.DEREncode(seq); - m_q.DEREncode(seq); - m_u.DEREncode(seq); - seq.MessageEnd(); -} - -Integer InvertibleRWFunction::CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const -{ - DoQuickSanityCheck(); - ModularArithmetic modn(m_n); - Integer r, rInv; - do { // do this in a loop for people using small numbers for testing - r.Randomize(rng, Integer::One(), m_n - Integer::One()); - rInv = modn.MultiplicativeInverse(r); - } while (rInv.IsZero()); - Integer re = modn.Square(r); - re = modn.Multiply(re, x); // blind - - Integer cp=re%m_p, cq=re%m_q; - if (Jacobi(cp, m_p) * Jacobi(cq, m_q) != 1) - { - cp = cp.IsOdd() ? (cp+m_p) >> 1 : cp >> 1; - cq = cq.IsOdd() ? (cq+m_q) >> 1 : cq >> 1; - } - - #pragma omp parallel - #pragma omp sections - { - #pragma omp section - cp = ModularSquareRoot(cp, m_p); - #pragma omp section - cq = ModularSquareRoot(cq, m_q); - } - - Integer y = CRT(cq, m_q, cp, m_p, m_u); - y = modn.Multiply(y, rInv); // unblind - y = STDMIN(y, m_n-y); - if (ApplyFunction(y) != x) // check - throw Exception(Exception::OTHER_ERROR, "InvertibleRWFunction: computational error during private key operation"); - return y; -} - -bool InvertibleRWFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const -{ - bool pass = RWFunction::Validate(rng, level); - pass = pass && m_p > Integer::One() && m_p%8 == 3 && m_p < m_n; - pass = pass && m_q > Integer::One() && m_q%8 == 7 && m_q < m_n; - pass = pass && m_u.IsPositive() && m_u < m_p; - if (level >= 1) - { - pass = pass && m_p * m_q == m_n; - pass = pass && m_u * m_q % m_p == 1; - } - if (level >= 2) - pass = pass && VerifyPrime(rng, m_p, level-2) && VerifyPrime(rng, m_q, level-2); - return pass; -} - -bool InvertibleRWFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const -{ - return GetValueHelper(this, name, valueType, pValue).Assignable() - CRYPTOPP_GET_FUNCTION_ENTRY(Prime1) - CRYPTOPP_GET_FUNCTION_ENTRY(Prime2) - CRYPTOPP_GET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1) - ; -} - -void InvertibleRWFunction::AssignFrom(const NameValuePairs &source) -{ - AssignFromHelper(this, source) - CRYPTOPP_SET_FUNCTION_ENTRY(Prime1) - CRYPTOPP_SET_FUNCTION_ENTRY(Prime2) - CRYPTOPP_SET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1) - ; -} - -NAMESPACE_END - -#endif -- cgit v1.2.3