The sources should be unzipped (with the -a option) into the crypto-3.1
subdirectory. Then type in "patch -p0 < gcc295.txt".

This patch has been tested on gcc 2.95/cygwin b20.1.

========= strip this line and all lines above ================
diff -upr ../import/crypto-3.1/Makefile crypto-3.1/Makefile
--- ../import/crypto-3.1/Makefile	Wed Mar 03 01:04:08 1999
+++ crypto-3.1/Makefile	Sat Aug 21 17:44:50 1999
@@ -5,7 +5,7 @@ RANLIB = ranlib
  
 CPPFLAGS =
 CFLAGS = -O2
-CXXFLAGS = -O2
+CXXFLAGS = -O2 -w -fpermissive
 LDFLAGS =
  
 SRCS = $(wildcard *.cpp)
diff -upr ../import/crypto-3.1/algebra.cpp crypto-3.1/algebra.cpp
--- ../import/crypto-3.1/algebra.cpp	Wed Apr 28 00:04:28 1999
+++ crypto-3.1/algebra.cpp	Sat Aug 21 17:50:06 1999
@@ -309,10 +309,7 @@ template <class Element, class Iterator>
 template <class Element, class Iterator, class ConstIterator>
 void SimultaneousExponentiation(Iterator result, const AbstractRing<Element> &ring, const Element &base, ConstIterator expBegin, ConstIterator expEnd)
 {
-	// SimultaneousMultiplication<Element>(result, ring.MultiplicativeGroup(), base, expBegin, expEnd);
-	// EGCS 1.1.2 workaround
-	MultiplicativeGroup<Element> mg(ring);
-	SimultaneousMultiplication<Element>(result, mg, base, expBegin, expEnd);
+	SimultaneousMultiplication<Element>(result, ring.MultiplicativeGroup(), base, expBegin, expEnd);
 }
 
 NAMESPACE_END
diff -upr ../import/crypto-3.1/algebra.h crypto-3.1/algebra.h
--- ../import/crypto-3.1/algebra.h	Tue Apr 27 20:02:36 1999
+++ crypto-3.1/algebra.h	Sat Aug 21 17:46:02 1999
@@ -53,13 +53,13 @@ public:
 	virtual const AbstractGroup<T>& MultiplicativeGroup() const =0;
 };
 
-template <class T> class MultiplicativeGroup : public AbstractGroup<T>
+template <class T> class MultiplicativeGroupT : public AbstractGroup<T>
 {
 public:
 	typedef AbstractRing<T> Ring;
 	typedef T Element;
 
-	MultiplicativeGroup(const Ring &m_ring)
+	MultiplicativeGroupT(const Ring &m_ring)
 		: m_ring(m_ring) {}
 
 	const Ring & GetRing() const
@@ -101,7 +101,7 @@ public:
 	const AbstractGroup<T>& MultiplicativeGroup() const
 		{return m_mg;}
 private:
-	MultiplicativeGroup<T> m_mg;
+	MultiplicativeGroupT<T> m_mg;
 };
 
 // ********************************************************
diff -upr ../import/crypto-3.1/luc.cpp crypto-3.1/luc.cpp
--- ../import/crypto-3.1/luc.cpp	Wed Mar 03 01:04:06 1999
+++ crypto-3.1/luc.cpp	Sat Aug 21 18:13:18 1999
@@ -11,7 +11,7 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
-template class OAEP<SHA>;
+// template class OAEP<SHA>;
 INSTANTIATE_PUBKEY_TEMPLATES_MACRO(OAEP<SHA>, PKCS_SignaturePaddingScheme, LUCFunction, InvertableLUCFunction);
 
 LUCFunction::LUCFunction(BufferedTransformation &bt)
diff -upr ../import/crypto-3.1/polynomi.h crypto-3.1/polynomi.h
--- ../import/crypto-3.1/polynomi.h	Mon Apr 19 23:45:30 1999
+++ crypto-3.1/polynomi.h	Sat Aug 21 17:59:35 1999
@@ -167,7 +167,7 @@ private:
 	std::vector<CoefficientType> m_coefficients;
 };
 
-template <class T, int instance = 0> class PolynomialOverFixedRing : private PolynomialOver<T>
+template <class T, int instance> class PolynomialOverFixedRing : private PolynomialOver<T>
 {
 	typedef PolynomialOver<T> B;
 	typedef PolynomialOverFixedRing<T, instance> ThisType;
diff -upr ../import/crypto-3.1/rsa.cpp crypto-3.1/rsa.cpp
--- ../import/crypto-3.1/rsa.cpp	Sat Mar 06 03:05:08 1999
+++ crypto-3.1/rsa.cpp	Sat Aug 21 18:13:11 1999
@@ -12,7 +12,7 @@
 NAMESPACE_BEGIN(CryptoPP)
 
 INSTANTIATE_PUBKEY_TEMPLATES_MACRO(PKCS_EncryptionPaddingScheme, PKCS_SignaturePaddingScheme, RSAFunction, InvertableRSAFunction);
-template class OAEP<SHA>;
+// template class OAEP<SHA>;
 INSTANTIATE_PUBKEY_CRYPTO_TEMPLATES_MACRO(OAEP<SHA>, RSAFunction, InvertableRSAFunction);
 
 RSAFunction::RSAFunction(BufferedTransformation &bt)
diff -upr ../import/crypto-3.1/secshare.cpp crypto-3.1/secshare.cpp
--- ../import/crypto-3.1/secshare.cpp	Sat Mar 06 03:05:08 1999
+++ crypto-3.1/secshare.cpp	Sat Aug 21 18:01:38 1999
@@ -30,7 +30,7 @@ public:
 	}
 };
 
-typedef CryptoPP::PolynomialOverFixedRing<Field> Polynomial;
+typedef CryptoPP::PolynomialOverFixedRing<Field, 0> Polynomial;
 typedef CryptoPP::RingOfPolynomialsOver<Field> PolynomialRing;
 
 static const Field field;