From 561f10539494ce6cba62d58dab2a6686e04c760b Mon Sep 17 00:00:00 2001 From: "madmaxoft@gmail.com" Date: Sat, 23 Mar 2013 20:53:08 +0000 Subject: CryptoPP: Pruned unused files git-svn-id: http://mc-server.googlecode.com/svn/trunk@1304 0a769ca7-a7f5-676a-18bf-c427514a06d6 --- CryptoPP/xtrcrypt.cpp | 108 -------------------------------------------------- 1 file changed, 108 deletions(-) delete mode 100644 CryptoPP/xtrcrypt.cpp (limited to 'CryptoPP/xtrcrypt.cpp') diff --git a/CryptoPP/xtrcrypt.cpp b/CryptoPP/xtrcrypt.cpp deleted file mode 100644 index 20e78e7ca..000000000 --- a/CryptoPP/xtrcrypt.cpp +++ /dev/null @@ -1,108 +0,0 @@ -// xtrcrypt.cpp - written and placed in the public domain by Wei Dai - -#include "pch.h" -#include "xtrcrypt.h" -#include "nbtheory.h" -#include "asn.h" -#include "argnames.h" - -NAMESPACE_BEGIN(CryptoPP) - -XTR_DH::XTR_DH(const Integer &p, const Integer &q, const GFP2Element &g) - : m_p(p), m_q(q), m_g(g) -{ -} - -XTR_DH::XTR_DH(RandomNumberGenerator &rng, unsigned int pbits, unsigned int qbits) -{ - XTR_FindPrimesAndGenerator(rng, m_p, m_q, m_g, pbits, qbits); -} - -XTR_DH::XTR_DH(BufferedTransformation &bt) -{ - BERSequenceDecoder seq(bt); - m_p.BERDecode(seq); - m_q.BERDecode(seq); - m_g.c1.BERDecode(seq); - m_g.c2.BERDecode(seq); - seq.MessageEnd(); -} - -void XTR_DH::DEREncode(BufferedTransformation &bt) const -{ - DERSequenceEncoder seq(bt); - m_p.DEREncode(seq); - m_q.DEREncode(seq); - m_g.c1.DEREncode(seq); - m_g.c2.DEREncode(seq); - seq.MessageEnd(); -} - -bool XTR_DH::Validate(RandomNumberGenerator &rng, unsigned int level) const -{ - bool pass = true; - pass = pass && m_p > Integer::One() && m_p.IsOdd(); - pass = pass && m_q > Integer::One() && m_q.IsOdd(); - GFP2Element three = GFP2_ONB(m_p).ConvertIn(3); - pass = pass && !(m_g.c1.IsNegative() || m_g.c2.IsNegative() || m_g.c1 >= m_p || m_g.c2 >= m_p || m_g == three); - if (level >= 1) - pass = pass && ((m_p.Squared()-m_p+1)%m_q).IsZero(); - if (level >= 2) - { - pass = pass && VerifyPrime(rng, m_p, level-2) && VerifyPrime(rng, m_q, level-2); - pass = pass && XTR_Exponentiate(m_g, (m_p.Squared()-m_p+1)/m_q, m_p) != three; - pass = pass && XTR_Exponentiate(m_g, m_q, m_p) == three; - } - return pass; -} - -bool XTR_DH::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const -{ - return GetValueHelper(this, name, valueType, pValue).Assignable() - CRYPTOPP_GET_FUNCTION_ENTRY(Modulus) - CRYPTOPP_GET_FUNCTION_ENTRY(SubgroupOrder) - CRYPTOPP_GET_FUNCTION_ENTRY(SubgroupGenerator) - ; -} - -void XTR_DH::AssignFrom(const NameValuePairs &source) -{ - AssignFromHelper(this, source) - CRYPTOPP_SET_FUNCTION_ENTRY(Modulus) - CRYPTOPP_SET_FUNCTION_ENTRY(SubgroupOrder) - CRYPTOPP_SET_FUNCTION_ENTRY(SubgroupGenerator) - ; -} - -void XTR_DH::GeneratePrivateKey(RandomNumberGenerator &rng, byte *privateKey) const -{ - Integer x(rng, Integer::Zero(), m_q-1); - x.Encode(privateKey, PrivateKeyLength()); -} - -void XTR_DH::GeneratePublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const -{ - Integer x(privateKey, PrivateKeyLength()); - GFP2Element y = XTR_Exponentiate(m_g, x, m_p); - y.Encode(publicKey, PublicKeyLength()); -} - -bool XTR_DH::Agree(byte *agreedValue, const byte *privateKey, const byte *otherPublicKey, bool validateOtherPublicKey) const -{ - GFP2Element w(otherPublicKey, PublicKeyLength()); - if (validateOtherPublicKey) - { - GFP2_ONB gfp2(m_p); - GFP2Element three = gfp2.ConvertIn(3); - if (w.c1.IsNegative() || w.c2.IsNegative() || w.c1 >= m_p || w.c2 >= m_p || w == three) - return false; - if (XTR_Exponentiate(w, m_q, m_p) != three) - return false; - } - Integer s(privateKey, PrivateKeyLength()); - GFP2Element z = XTR_Exponentiate(w, s, m_p); - z.Encode(agreedValue, AgreedValueLength()); - return true; -} - -NAMESPACE_END -- cgit v1.2.3