randombit / botan / 23234035284

      FPE_FE1_Tests() : Text_Based_Test("fpe_fe1.vec", "Mod,In,Out,Key,Tweak") {}

      Test::Result run_one_test(const std::string& /*header*/, const VarMap& vars) override {

         const Botan::BigInt modulus = vars.get_req_bn("Mod");

         const Botan::BigInt input = vars.get_req_bn("In");

         const Botan::BigInt expected = vars.get_req_bn("Out");

         const auto key = Botan::SymmetricKey(vars.get_req_bin("Key"));

         const std::vector<uint8_t> tweak = vars.get_req_bin("Tweak");

         Test::Result result("FPE_FE1");

         const Botan::BigInt got = Botan::FPE::fe1_encrypt(modulus, input, key, tweak);

         result.test_bn_eq("ciphertext", got, expected);

         const Botan::BigInt decry = Botan::FPE::fe1_decrypt(modulus, got, key, tweak);

         result.test_bn_eq("decrypted", decry, input);

         return result;

      }