2 files changed, 92 insertions, 0 deletions
diff --git a/examples/rsatest/rsatest.cpp b/examples/rsatest/rsatest.cpp
new file mode 100644
index 0000000..bd513fd
--- /dev/null
+++ b/examples/rsatest/rsatest.cpp
@@ -0,0 +1,86 @@
+#include<tqfile.h>
+#include<tqfileinfo.h>
+#include"qca.h"
+#include<stdio.h>
+
+//#define USE_FILE
+
+TQCA::RSAKey readKeyFile(const TQString &name)
+{
+	TQCA::RSAKey k;
+	TQFile f(name);
+	if(!f.open(IO_ReadOnly)) {
+		printf("Unable to open %s\n", name.latin1());
+		return k;
+	}
+	TQByteArray der = f.readAll();
+	f.close();
+	printf("Read %s [%d bytes]\n", name.latin1(), der.size());
+
+	if(!k.fromDER(der)) {
+		printf("%s: Error importing DER format.\n", name.latin1());
+		return k;
+	}
+	char *yes = "yes";
+	char *no = "no";
+	printf("Successfully imported %s (enc=%s, dec=%s)\n",
+		name.latin1(),
+		k.havePublic() ? yes : no,
+		k.havePrivate() ? yes : no);
+
+	printf("Converting to DER: %d bytes\n", k.toDER().size());
+	printf("Converting to PEM:\n%s\n", k.toPEM().latin1());
+	return k;
+}
+
+int main(int argc, char **argv)
+{
+	TQCA::init();
+	TQCString cs = (argc >= 2) ? argv[1] : "hello";
+
+	if(!TQCA::isSupported(TQCA::CAP_RSA))
+		printf("RSA not supported!\n");
+	else {
+#ifdef USE_FILE
+		TQCA::RSAKey pubkey = readKeyFile("keypublic.der");
+		if(pubkey.isNull())
+			return 1;
+		TQCA::RSAKey seckey = readKeyFile("keyprivate.der");
+		if(seckey.isNull())
+			return 1;
+#else
+		TQCA::RSAKey seckey = TQCA::RSA::generateKey(1024);
+		if(seckey.isNull())
+			return 1;
+		TQCA::RSAKey pubkey = seckey;
+#endif
+		// encrypt some data
+		TQByteArray a(cs.length());
+		memcpy(a.data(), cs.data(), a.size());
+
+		TQCA::RSA op;
+		op.setKey(pubkey);
+		TQByteArray result;
+		if(!op.encrypt(a, &result)) {
+			printf("Error encrypting.\n");
+			return 1;
+		}
+		TQString rstr = TQCA::arrayToHex(result);
+		printf(">rsa(\"%s\") = [%s]\n", cs.data(), rstr.latin1());
+
+		// now decrypt it
+		op.setKey(seckey);
+		TQByteArray dec;
+		if(!op.decrypt(result, &dec)) {
+			printf("Error decrypting.\n");
+			return 1;
+		}
+		TQCString dstr;
+		dstr.resize(dec.size()+1);
+		memcpy(dstr.data(), dec.data(), dec.size());
+		printf("<rsa(\"%s\") = [%s]\n", rstr.latin1(), dstr.data());
+	}
+
+	return 0;
+}
+
diff --git a/examples/rsatest/rsatest.pro b/examples/rsatest/rsatest.pro
new file mode 100644
index 0000000..fc293ad
--- /dev/null
+++ b/examples/rsatest/rsatest.pro
@@ -0,0 +1,6 @@
+TEMPLATE = app
+CONFIG += thread console
+TARGET = rsatest
+
+SOURCES += rsatest.cpp
+include(../examples.pri)