1 files changed, 77 insertions, 0 deletions
diff --git a/src/tests/kat_dlies.cpp b/src/tests/kat_dlies.cpp
new file mode 100644
index 000000000..cd931fd35
--- /dev/null
+++ b/src/tests/kat_dlies.cpp
@@ -0,0 +1,77 @@
+#include "tests.h"
+#include "test_pubkey.h"
+
+#include <botan/auto_rng.h>
+#include <botan/pubkey.h>
+#include <botan/lookup.h>
+#include <botan/dlies.h>
+#include <botan/dh.h>
+#include <botan/hex.h>
+#include <iostream>
+#include <fstream>
+
+using namespace Botan;
+
+namespace {
+
+size_t dlies_kat(const std::string& p,
+                 const std::string& g,
+                 const std::string& x1,
+                 const std::string& x2,
+                 const std::string& msg,
+                 const std::string& ciphertext)
+   {
+   AutoSeeded_RNG rng;
+
+   BigInt p_bn(p);
+   BigInt g_bn(g);
+   BigInt x1_bn(x1);
+   BigInt x2_bn(x2);
+
+   DL_Group domain(p_bn, g_bn);
+
+   DH_PrivateKey from(rng, domain, x1_bn);
+   DH_PrivateKey to(rng, domain, x2_bn);
+
+   const std::string opt_str = "KDF2(SHA-1)/HMAC(SHA-1)/16";
+
+   std::vector<std::string> options = split_on(opt_str, '/');
+
+   if(options.size() != 3)
+      throw std::runtime_error("DLIES needs three options: " + opt_str);
+
+   const size_t mac_key_len = to_u32bit(options[2]);
+
+   DLIES_Encryptor e(from,
+                     get_kdf(options[0]),
+                     get_mac(options[1]),
+                     mac_key_len);
+
+   DLIES_Decryptor d(to,
+                     get_kdf(options[0]),
+                     get_mac(options[1]),
+                     mac_key_len);
+
+   e.set_other_key(to.public_value());
+
+   const std::string empty = "";
+   return validate_encryption(e, d, "DLIES", msg, empty, ciphertext);
+   }
+
+}
+
+size_t test_dlies()
+   {
+   std::ifstream dlies(TEST_DATA_DIR "/dlies.vec");
+
+   size_t fails = 0;
+
+   fails += run_tests_bb(dlies, "DLIES Encryption", "Ciphertext", true,
+             [](std::map<std::string, std::string> m) -> size_t
+             {
+             return dlies_kat(m["P"], m["G"], m["X1"], m["X2"], m["Msg"], m["Ciphertext"]);
+             });
+
+   return fails;
+   }
+