1 files changed, 42 insertions, 0 deletions
diff --git a/src/crypto/example.cpp b/src/crypto/example.cpp
new file mode 100644
index 000000000..a8b6b7462
--- /dev/null
+++ b/src/crypto/example.cpp
@@ -0,0 +1,42 @@
+#include <assert.h>
+
+#include "crypto.h"
+#include "random.h"
+
+using namespace crypto;
+
+int main(int argc, char *argv[]) {
+  char message[10];
+  hash mh;
+  public_key pk1, pk2;
+  secret_key sk1, sk2;
+  key_image ki;
+  public_key *ppk[2];
+  signature sig[2];
+  bool res;
+  /* Call this before using functions that depend on randomness. */
+  init_random();
+  /* Generate a random message. */
+  generate_random_bytes(sizeof message, message);
+  /* Find its hash */
+  keccak(message, sizeof message, mh);
+  /* Generate some keys */
+  generate_keys(pk1, sk1);
+  generate_keys(pk2, sk2);
+  /* Sign the message */
+  generate_signature(mh, pk1, sk1, sig[0]);
+  /* Check the signature */
+  res = check_signature(mh, pk1, sig[0]);
+  assert(res);
+  /* Sign the message using ring signature */
+  /* First, generate a key image */
+  generate_key_image(pk2, sk2, ki);
+  /* Then, generate the signature */
+  ppk[0] = &pk1;
+  ppk[1] = &pk2;
+  generate_ring_signature(mh, ki, ppk, 2, sk2, 1, sig);
+  /* Check it */
+  res = check_ring_signature(mh, ki, ppk, 2, sig);
+  assert(res);
+  return 0;
+}
+\ No newline at end of file