From 026e4394bb333e978a37f5821f0a1c3dca6acb1d Mon Sep 17 00:00:00 2001
From: Mark Haines <mark.haines@matrix.org>
Date: Mon, 15 Jun 2015 17:47:22 +0100
Subject: Implement creating a new account

---
 include/axolotl/error.hh   |  2 ++
 include/axolotl/session.hh |  2 +-
 src/account.cpp            | 44 ++++++++++++++++++++++++++++++++++++++++----
 src/session.cpp            |  2 +-
 4 files changed, 44 insertions(+), 6 deletions(-)

diff --git a/include/axolotl/error.hh b/include/axolotl/error.hh
index 3bf0e63..b875784 100644
--- a/include/axolotl/error.hh
+++ b/include/axolotl/error.hh
@@ -11,6 +11,8 @@ enum struct ErrorCode {
     BAD_MESSAGE_FORMAT = 4, /*!< The message couldn't be decoded */
     BAD_MESSAGE_MAC = 5, /*!< The message couldn't be decrypted */
     BAD_MESSAGE_KEY_ID = 6, /*!< The message references an unknown key id */
+    INVALID_BASE64 = 7, /*!< The input base64 was invalid */
+    BAD_ACCOUNT_KEY = 8, /*!< The supplied account key is invalid */
 };
 
 } // namespace axolotl
diff --git a/include/axolotl/session.hh b/include/axolotl/session.hh
index 93c0b64..aeaac7d 100644
--- a/include/axolotl/session.hh
+++ b/include/axolotl/session.hh
@@ -14,7 +14,7 @@ struct RemoteKey {
 
 
 enum struct MessageType {
-    PRE_KEY_MESSAGE = 0,
+    PRE_KEY = 0,
     MESSAGE = 1,
 };
 
diff --git a/src/account.cpp b/src/account.cpp
index c73ef1b..02ad5ba 100644
--- a/src/account.cpp
+++ b/src/account.cpp
@@ -2,7 +2,6 @@
 #include "axolotl/pickle.hh"
 
 
-
 axolotl::LocalKey const * axolotl::Account::lookup_key(
     std::uint32_t id
 ) {
@@ -12,6 +11,43 @@ axolotl::LocalKey const * axolotl::Account::lookup_key(
     return 0;
 }
 
+
+std::size_t axolotl::Account::new_account_random_length() {
+    return 103 * 32;
+}
+
+std::size_t axolotl::Account::new_account(
+    uint8_t const * random, std::size_t random_length
+) {
+    if (random_length < new_account_random_length()) {
+        last_error = axolotl::ErrorCode::NOT_ENOUGH_RANDOM;
+    }
+
+    unsigned id = 0;
+
+    identity_key.id = ++id;
+    axolotl::generate_key(random, identity_key.key);
+    random += 32;
+
+    random += 32;
+
+    last_resort_one_time_key.id = ++id;
+    axolotl::generate_key(random, last_resort_one_time_key.key);
+    random += 32;
+
+    for (unsigned i = 0; i < 100; ++i) {
+        LocalKey & key = *one_time_keys.insert(one_time_keys.end());
+        key.id = ++id;
+        axolotl::generate_key(random, key.key);
+        random += 32;
+    }
+
+    return 0;
+}
+
+
+
+
 namespace axolotl {
 
 
@@ -72,7 +108,7 @@ static std::uint8_t const * unpickle(
 } // namespace axolotl
 
 
-std::size_t pickle_length(
+std::size_t axolotl::pickle_length(
     axolotl::Account const & value
 ) {
     std::size_t length = 0;
@@ -83,7 +119,7 @@ std::size_t pickle_length(
 }
 
 
-std::uint8_t * pickle(
+std::uint8_t * axolotl::pickle(
     std::uint8_t * pos,
     axolotl::Account const & value
 ) {
@@ -94,7 +130,7 @@ std::uint8_t * pickle(
 }
 
 
-std::uint8_t const * unpickle(
+std::uint8_t const * axolotl::unpickle(
     std::uint8_t const * pos, std::uint8_t const * end,
     axolotl::Account & value
 ) {
diff --git a/src/session.cpp b/src/session.cpp
index db8097f..0582d56 100644
--- a/src/session.cpp
+++ b/src/session.cpp
@@ -190,7 +190,7 @@ axolotl::MessageType axolotl::Session::encrypt_message_type() {
     if (received_message) {
         return axolotl::MessageType::MESSAGE;
     } else {
-        return axolotl::MessageType::PRE_KEY_MESSAGE;
+        return axolotl::MessageType::PRE_KEY;
     }
 }
 
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