Add test of FPE_FE1

Self-generated vectors, just a basic smoke test right now.

1 files changed, 45 insertions, 0 deletions

diff --git a/src/tests/test_fpe.cpp b/src/tests/test_fpe.cpp
new file mode 100644
index 000000000..38c4f9a1c
--- /dev/null
+++ b/src/tests/test_fpe.cpp
@@ -0,0 +1,45 @@
+/*
+* (C) 2016 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include "tests.h"
+
+#if defined(BOTAN_HAS_FPE_FE1)
+  #include <botan/fpe_fe1.h>
+#endif
+
+namespace Botan_Tests {
+
+class FPE_FE1_Tests : public Text_Based_Test
+   {
+   public:
+      FPE_FE1_Tests() : Text_Based_Test("fpe_fe1.vec", {"Mod", "In", "Out", "Key", "Tweak"}) {}
+
+      Test::Result run_one_test(const std::string& algo, const VarMap& vars) override
+         {
+         const Botan::BigInt modulus  = get_req_bn(vars, "Mod");
+         const Botan::BigInt input    = get_req_bn(vars, "In");
+         const Botan::BigInt expected = get_req_bn(vars, "Out");
+         const std::vector<uint8_t> key      = get_req_bin(vars, "Key");
+         const std::vector<uint8_t> tweak    = get_req_bin(vars, "Tweak");
+
+         Test::Result result("FPE_FE1");
+
+         const Botan::BigInt got = Botan::FPE::fe1_encrypt(modulus, input, key, tweak);
+
+         result.test_eq("ciphertext", got, expected);
+
+         const Botan::BigInt decry = Botan::FPE::fe1_decrypt(modulus, got, key, tweak);
+
+         result.test_eq("decrypted", decry, input);
+
+         return result;
+         }
+
+   };
+
+BOTAN_REGISTER_TEST("fpe_fe1", FPE_FE1_Tests);
+
+}