diff options
Diffstat (limited to 'src/corelib')
-rw-r--r-- | src/corelib/plugin/quuid.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/corelib/plugin/quuid.cpp b/src/corelib/plugin/quuid.cpp index af63b79..83c6194 100644 --- a/src/corelib/plugin/quuid.cpp +++ b/src/corelib/plugin/quuid.cpp @@ -901,6 +901,12 @@ QUuid QUuid::createUuid() uint randNumber = 0; for (int filled = 0; filled < intbits; filled += randbits) randNumber |= qrand()<<filled; +#if defined(Q_OS_SYMBIAN) + // Symbian does not have /dev/urandom, so entropy is low. + // Add more entropy from the kernel tick count (1ms resolution). + // big multipler used to splatter the tick count bits over the whole 32 bits + randNumber ^= User::NTickCount() * 0x3b9aca07; +#endif *(data+chunks) = randNumber; } } |