From 17a94b16ea6207fd5f38fbd309b4db0d92de0d31 Mon Sep 17 00:00:00 2001 From: madmaxoft Date: Wed, 30 Jul 2014 13:52:51 +0200 Subject: MojangAPI: Implemented UUID shortening and dashing. --- src/ClientHandle.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/ClientHandle.cpp') diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index e4ad218a2..3f81f0a29 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -233,13 +233,14 @@ AString cClientHandle::GenerateOfflineUUID(const AString & a_Username) // This guarantees that they will never collide with an online UUID and can be distinguished. // Proper format for a version 3 UUID is: // xxxxxxxx-xxxx-3xxx-yxxx-xxxxxxxxxxxx where x is any hexadecimal digit and y is one of 8, 9, A, or B + // Note that we generate a short UUID (without the dashes) // Generate an md5 checksum, and use it as base for the ID: unsigned char MD5[16]; md5((const unsigned char *)a_Username.c_str(), a_Username.length(), MD5); MD5[6] &= 0x0f; // Need to trim to 4 bits only... MD5[8] &= 0x0f; // ... otherwise %01x overflows into two chars - return Printf("%02x%02x%02x%02x-%02x%02x-3%01x%02x-8%01x%02x-%02x%02x%02x%02x%02x%02x", + return Printf("%02x%02x%02x%02x%02x%02x3%01x%02x8%01x%02x%02x%02x%02x%02x%02x%02x", MD5[0], MD5[1], MD5[2], MD5[3], MD5[4], MD5[5], MD5[6], MD5[7], MD5[8], MD5[9], MD5[10], MD5[11], -- cgit v1.2.3