1 files changed, 101 insertions, 0 deletions
diff --git a/unittest/test_HOTP.cc b/unittest/test_HOTP.cc
new file mode 100644
index 0000000..e6f7d7c
--- /dev/null
+++ b/unittest/test_HOTP.cc
@@ -0,0 +1,101 @@
+#include "catch.hpp"
+#include <iostream>
+#include "device_proto.h"
+#include "log.h"
+#include "stick10_commands.h"
+#include <cstdlib>
+#include "misc.h"
+
+using namespace std;
+using namespace nitrokey::device;
+using namespace nitrokey::proto::stick10;
+using namespace nitrokey::log;
+using namespace nitrokey::misc;
+
+void hexStringToByte(uint8_t data[], const char* hexString){
+  REQUIRE(strlen(hexString)%2==0);
+    char buf[2];
+    for(int i=0; i<strlen(hexString); i++){
+        buf[i%2] = hexString[i];
+        if (i%2==1){
+            data[i/2] = strtoul(buf, NULL, 16) & 0xFF;
+        }
+    }
+};
+
+TEST_CASE("test secret", "[functions]") {
+    uint8_t slot_secret[21];
+    slot_secret[20] = 0;
+    const char* secretHex = "3132333435363738393031323334353637383930";
+    hexStringToByte(slot_secret, secretHex);
+    CAPTURE(slot_secret);
+    REQUIRE(strcmp("12345678901234567890",reinterpret_cast<char *>(slot_secret) ) == 0 );
+}
+
+TEST_CASE("Test HOTP codes according to RFC", "[HOTP]") {
+    std::shared_ptr<Stick10> stick = make_shared<Stick10>();
+    bool connected = stick->connect();
+
+  REQUIRE(connected == true);
+
+  Log::instance().set_loglevel(Loglevel::DEBUG);
+
+  auto resp = GetStatus::CommandTransaction::run(stick);
+
+  const char * temporary_password = "123456789012345678901234";
+  {
+      auto authreq = get_payload<FirstAuthenticate>();
+      strcpy((char *)(authreq.card_password), "12345678");
+      strcpy((char *)(authreq.temporary_password), temporary_password);
+      FirstAuthenticate::CommandTransaction::run(stick, authreq);
+  }
+
+  //test according to https://tools.ietf.org/html/rfc4226#page-32
+  {
+    auto hwrite = get_payload<WriteToHOTPSlot>();
+    hwrite.slot_number = 0x10;
+    strcpy(reinterpret_cast<char *>(hwrite.slot_name), "rfc4226_lib");
+    //strcpy(reinterpret_cast<char *>(hwrite.slot_secret), "");
+    const char* secretHex = "3132333435363738393031323334353637383930";
+    hexStringToByte(hwrite.slot_secret, secretHex);
+
+    //hwrite.slot_config; //TODO check various configs in separate test cases
+    //strcpy(reinterpret_cast<char *>(hwrite.slot_token_id), "");
+    //strcpy(reinterpret_cast<char *>(hwrite.slot_counter), "");
+
+    //authorize writehotp first
+    {
+        auto auth = get_payload<Authorize>();
+        strcpy((char *)(auth.temporary_password), temporary_password);
+        auth.crc_to_authorize = WriteToHOTPSlot::CommandTransaction::getCRC(hwrite);
+        Authorize::CommandTransaction::run(stick, auth);
+  }
+
+    //run hotp command
+    WriteToHOTPSlot::CommandTransaction::run(stick, hwrite);
+
+    uint32_t codes[] = {
+            755224, 287082, 359152, 969429, 338314,
+            254676, 287922, 162583, 399871, 520489
+    };
+
+    for( auto code: codes){
+        auto gh = get_payload<GetHOTP>();
+        gh.slot_number =  0x10;
+        auto resp = GetHOTP::CommandTransaction::run(stick, gh);
+        REQUIRE( resp.data().code == code);
+    }
+    //checking slot programmed before with nitro-app
+    /*
+    for( auto code: codes){
+        GetHOTP::CommandTransaction::CommandPayload gh;
+        gh.slot_number =  0x12;
+        auto resp = GetHOTP::CommandTransaction::run(stick, gh);
+        REQUIRE( resp.code == code);
+    }
+    */
+  }
+
+
+  stick->disconnect();
+}