1 files changed, 57 insertions, 0 deletions
diff --git a/src/tests/test_dsa.cpp b/src/tests/test_dsa.cpp
new file mode 100644
index 000000000..19c557823
--- /dev/null
+++ b/src/tests/test_dsa.cpp
@@ -0,0 +1,57 @@
+#include "tests.h"
+#include "test_pubkey.h"
+
+#include <botan/auto_rng.h>
+#include <botan/pubkey.h>
+#include <botan/dsa.h>
+#include <botan/hex.h>
+#include <iostream>
+#include <fstream>
+
+using namespace Botan;
+
+namespace {
+
+size_t dsa_sig_kat(const std::string& p,
+                   const std::string& q,
+                   const std::string& g,
+                   const std::string& x,
+                   const std::string& hash,
+                   const std::string& msg,
+                   const std::string& nonce,
+                   const std::string& signature)
+   {
+   AutoSeeded_RNG rng;
+
+   BigInt p_bn(p), q_bn(q), g_bn(g), x_bn(x);
+
+   DL_Group group(p_bn, q_bn, g_bn);
+   DSA_PrivateKey privkey(rng, group, x_bn);
+
+   DSA_PublicKey pubkey = privkey;
+
+   const std::string padding = "EMSA1(" + hash + ")";
+
+   PK_Verifier verify(pubkey, padding);
+   PK_Signer sign(privkey, padding);
+
+   return validate_signature(verify, sign, "DSA/" + hash, msg, rng, nonce, signature);
+   }
+
+}
+
+size_t test_dsa()
+   {
+   std::ifstream dsa_sig(PK_TEST_DATA_DIR "/dsa.vec");
+
+   size_t fails = 0;
+
+   fails += run_tests_bb(dsa_sig, "DSA Signature", "Signature", true,
+             [](std::map<std::string, std::string> m) -> size_t
+             {
+             return dsa_sig_kat(m["P"], m["Q"], m["G"], m["X"], m["Hash"], m["Msg"], m["Nonce"], m["Signature"]);
+             });
+
+   return fails;
+   }
+