From 955fb912ab9563a5246f9d3bfda9ccfab187949f Mon Sep 17 00:00:00 2001
From: Szczepan Zalega <szczepan.zalega@gmail.com>
Date: Tue, 29 Mar 2016 13:04:52 +0200
Subject: adding next steps for hotp tests: writing, reading and authorization
 for writing hotp code

---
 include/device_proto.h     |  9 +++++++++
 include/stick10_commands.h | 25 +++++++++++++++++++------
 2 files changed, 28 insertions(+), 6 deletions(-)

(limited to 'include')

diff --git a/include/device_proto.h b/include/device_proto.h
index f2ed84d..e05a303 100644
--- a/include/device_proto.h
+++ b/include/device_proto.h
@@ -151,6 +151,15 @@ class Transaction : semantics::non_constructible {
   static_assert(sizeof(ResponsePacket) == HID_REPORT_SIZE,
                 "ResponsePacket type is not the right size");
 
+  static uint32_t getCRC(
+          const command_payload &payload) {
+    OutgoingPacket outp;
+    outp.initialize();
+    outp.payload = payload;
+    outp.update_CRC();
+    return outp.crc;
+  }
+
   static response_payload run(device::Device &dev,
                               const command_payload &payload) {
     using namespace ::nitrokey::device;
diff --git a/include/stick10_commands.h b/include/stick10_commands.h
index 1c21eee..60c947f 100644
--- a/include/stick10_commands.h
+++ b/include/stick10_commands.h
@@ -127,7 +127,7 @@ class GetHOTP : Command<CommandID::GET_CODE> {
   struct CommandPayload {
     uint8_t slot_number;
 
-    bool isValid() const { return !(slot_number & 0xF0); }
+    bool isValid() const { return (slot_number & 0xF0); }
     std::string dissect() const {
       std::stringstream ss;
       ss << "slot_number:\t" << (int)(slot_number) << std::endl;
@@ -146,7 +146,7 @@ class GetHOTP : Command<CommandID::GET_CODE> {
     }
   } __packed;
 
-  typedef Transaction<command_id(), struct CommandPayload, struct EmptyPayload>
+  typedef Transaction<command_id(), struct CommandPayload, struct ResponsePayload>
       CommandTransaction;
 };
 
@@ -473,8 +473,15 @@ class UserAuthenticate : Command<CommandID::USER_AUTHENTICATE> {
 class Authorize : Command<CommandID::AUTHORIZE> {
  public:
   struct CommandPayload {
-    uint8_t crc[4];
-    uint8_t password[25];
+    uint32_t  crc_to_authorize;
+    uint8_t temporary_password[25];
+
+    std::string dissect() const {
+      std::stringstream ss;
+      ss << "  crc_to_authorize:\t" <<   crc_to_authorize<< std::endl;
+      ss << " temporary_password:\t" << temporary_password<< std::endl;
+      return ss.str();
+    }
   } __packed;
 
   typedef Transaction<command_id(), struct CommandPayload, struct EmptyPayload>
@@ -484,8 +491,14 @@ class Authorize : Command<CommandID::AUTHORIZE> {
 class UserAuthorize : Command<CommandID::USER_AUTHORIZE> {
  public:
   struct CommandPayload {
-    uint8_t crc[4];
-    uint8_t password[25];
+    uint8_t crc_to_authorize[4];
+    uint8_t temporary_password[25];
+    std::string dissect() const {
+      std::stringstream ss;
+      ss << " crc_to_authorize:\t" <<  crc_to_authorize<< std::endl;
+      ss << " temporary_password:\t" << temporary_password<< std::endl;
+      return ss.str();
+    }
   } __packed;
 
   typedef Transaction<command_id(), struct CommandPayload, struct EmptyPayload>
-- 
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