Adding sample++.cpp

Author: abelinski

linux-and-macOS/swrng/Makefile

@@ -34,17 +34,24 @@ SWDIAG_CL = swdiag-cl
 SWRAWRANDOM = swrawrandom
 SWRNGSEQGEN = swrngseqgen
 SAMPLE = sample
+SAMPLECPP = sample++
 SAMPLE_CL = sample-cl
 
 
-all: $(SAMPLE) $(SWDIAG) $(SWPERFTEST) $(BITCOUNT) $(SWRNG) $(SWRAWRANDOM) $(SWRNGSEQGEN) $(SAMPLE_CL) $(BITCOUNT_CL) $(SWDIAG_CL) $(SWPERFTEST_CL) $(SWRNG_CL)
+all: $(SAMPLE) $(SWDIAG) $(SWPERFTEST) $(BITCOUNT) $(SWRNG) $(SWRAWRANDOM) $(SWRNGSEQGEN) $(SAMPLE_CL) $(BITCOUNT_CL) $(SWDIAG_CL) $(SWPERFTEST_CL) $(SWRNG_CL) $(SAMPLECPP)
 
 $(SAMPLE): $(SAMPLE).c $(OBJECTS)
 	@echo
 	@echo "Creating $(SAMPLE) ..."
 	$(CC) -c $(SAMPLE).c $(CFLAGS) $(CLANGSTD)
 	$(GPP) $(SAMPLE).o $(OBJECTS) -o $(SAMPLE) $(LDFLAGS)
 
+$(SAMPLECPP): $(SAMPLECPP).cpp $(OBJECTS)
+	@echo
+	@echo "Creating $(SAMPLECPP) ..."
+	$(GPP) -c $(SAMPLECPP).cpp $(CPPFLAGS)
+	$(GPP) $(SAMPLECPP).o $(OBJECTS) -o $(SAMPLECPP) $(LDCPPFLAGS)
+
 $(SWDIAG): $(SWDIAG).c $(OBJECTS)
 	@echo
 	@echo "Creating $(SWDIAG) ..."
@@ -130,7 +137,7 @@ swrng-cl-api.o:
 
 
 clean:
-	rm -f *.o ; rm -fr $(SAMPLE) $(SWDIAG) $(SWPERFTEST) $(BITCOUNT) $(SWRNG) $(SWRAWRANDOM) $(SWRNGSEQGEN) $(SAMPLE_CL) $(BITCOUNT_CL) $(SWDIAG_CL) $(SWPERFTEST_CL) $(SWRNG_CL)
+	rm -f *.o ; rm -fr $(SAMPLE) $(SWDIAG) $(SWPERFTEST) $(BITCOUNT) $(SWRNG) $(SWRAWRANDOM) $(SWRNGSEQGEN) $(SAMPLE_CL) $(BITCOUNT_CL) $(SWDIAG_CL) $(SWPERFTEST_CL) $(SWRNG_CL) $(SAMPLECPP)
 
 install:
 	install $(SWDIAG) $(BINDIR)/$(SWDIAG)

linux-and-macOS/swrng/sample++.cpp

@@ -0,0 +1,50 @@
+/*
+ * sample++.cpp
+ * Ver. 1.0
+ *
+ * A sample C++ program that demonstrates how to retrieve random bytes
+ * from a SwiftRNG device using SwiftRNG C++ API.
+ *
+ *
+ */
+
+#include <SwiftRngApi.h>
+#include <string>
+#include <iostream>
+
+
+using namespace swiftrng;
+
+
+/**
+ * Main entry
+ * @return int 0 - successful or error code
+ */
+int main() {
+
+	SwiftRngApi api;
+	unsigned char entropyBytes [10];
+
+	std::cout << "---------------------------------------------------------------------------" << std::endl;
+	std::cout << "--- Sample C++ program for retrieving random bytes from SwiftRNG device ---" << std::endl;
+	std::cout << "---------------------------------------------------------------------------" << std::endl;
+
+
+	if (api.open(0)) {
+		std::cerr << api.get_last_error_log() << std::endl;
+		return -1;
+	}
+
+	if (api.get_entropy(entropyBytes, sizeof(entropyBytes))) {
+		std::cerr << "Could not retrieve entropy from SwiftRNG device. " << api.get_last_error_log() << std::endl;
+		api.close();
+		return -1;
+	}
+
+	for (int i = 0; i < (int)sizeof(entropyBytes); ++i) {
+		std::cout << "entropy byte " << i+1 << ": " << (int)entropyBytes[i] << std::endl;
+	}
+
+	api.close();
+	return 0;
+}

linux-and-macOS/swrng/swrngseqgen.cpp

@@ -1,6 +1,6 @@
 /*
  * swrngseqgen.cpp
- * Ver. 2.3
+ * Ver. 2.4
  *
  * A program for generating random sequences of unique integer numbers based
  * on true random bytes produced by a SwiftRNG device.
@@ -62,7 +62,7 @@ void printRandomSequence(int64_t *buffer);
  */
 int main(int argc, char **argv) {
 
-	std::cerr << "-------------------------------------------------------------------------------------------------" << std::endl;
+	std::cout << "-------------------------------------------------------------------------------------------------" << std::endl;
 	std::cout << "--- A program for generating random sequences of unique integer numbers using SwiftRNG device ---" << std::endl;
 	std::cout << "-------------------------------------------------------------------------------------------------" << std::endl;