add cryptlib, update VC6 and VC7 projects

2004-02-14 09:53:07 +00:00
parent 15c5d3eb26
commit c1daa4ca1b
6 changed files with 159 additions and 26 deletions
@@ -0,0 +1,62 @@
+#include "sha.h"
+#include "files.h"
+#include "hex.h"
+#include "channels.h"
+#include "rsa.h"
+#include "md5.h"
+#include <memory>
+
+/* Pull in crypt library here. */
+#ifdef _XBOX
+	// FIXME
+#elif defined _WINDOWS
+	#ifdef DEBUG
+		#pragma comment(lib, "crypto51/cryptlibd.lib")
+	#else
+		#pragma comment(lib, "crypto51/cryptlib.lib")
+	#endif
+#endif
+
+
+using namespace CryptoPP;
+using namespace std;
+
+void RSASignFile(const char *privFilename, const char *messageFilename, const char *signatureFilename)
+{
+	FileSource privFile(privFilename, true, new HexDecoder);
+	RSASSA_PKCS1v15_SHA_Signer priv(privFile);
+	// RSASSA_PKCS1v15_SHA_Signer ignores the rng. Use a real RNG for other signature schemes!
+	FileSource f(messageFilename, true, new SignerFilter(NullRNG(), priv, new HexEncoder(new FileSink(signatureFilename))));
+}
+
+bool RSAVerifyFile(const char *pubFilename, const char *messageFilename, const char *signatureFilename)
+{
+	FileSource pubFile(pubFilename, true, new HexDecoder);
+	RSASSA_PKCS1v15_SHA_Verifier pub(pubFile);
+
+	FileSource signatureFile(signatureFilename, true, new HexDecoder);
+	if (signatureFile.MaxRetrievable() != pub.SignatureLength())
+		return false;
+	SecByteBlock signature(pub.SignatureLength());
+	signatureFile.Get(signature, signature.size());
+
+	VerifierFilter *verifierFilter = new VerifierFilter(pub);
+	verifierFilter->Put(signature, pub.SignatureLength());
+	FileSource f(messageFilename, true, verifierFilter);
+
+	return verifierFilter->GetLastResult();
+}
+
+void DigestFile(const char *filename)
+{
+	MD5 md5;
+	HashFilter md5Filter(md5);
+
+	auto_ptr<ChannelSwitch> channelSwitch(new ChannelSwitch);
+	channelSwitch->AddDefaultRoute(md5Filter);
+	FileSource(filename, true, channelSwitch.release());
+
+	HexEncoder encoder(new FileSink(cout), false);
+	cout << "\nMD5: ";
+	md5Filter.TransferTo(encoder);
+}