diff options
Diffstat (limited to 'node/Utils.cpp')
| -rw-r--r-- | node/Utils.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/node/Utils.cpp b/node/Utils.cpp index 3380b324..9630e6b3 100644 --- a/node/Utils.cpp +++ b/node/Utils.cpp @@ -49,6 +49,7 @@ #include "Utils.hpp" #include "Mutex.hpp" +#include "Salsa20.hpp" namespace ZeroTier { @@ -152,6 +153,7 @@ void Utils::getSecureRandom(void *buf,unsigned int bytes) static HCRYPTPROV cryptProvider = NULL; static Mutex globalLock; + static Salsa20 s20; Mutex::Lock _l(globalLock); @@ -161,12 +163,19 @@ void Utils::getSecureRandom(void *buf,unsigned int bytes) exit(1); return; } + char s20key[32]; + if (!CryptGenRandom(cryptProvider,(DWORD)sizeof(s20key),(BYTE *)s20key)) { + fprintf(stderr,"FATAL ERROR: Utils::getSecureRandom() CryptGenRandom failed!\r\n"); + exit(1); + } + s20.init(s20key,256,s20key,8); } if (!CryptGenRandom(cryptProvider,(DWORD)bytes,(BYTE *)buf)) { fprintf(stderr,"FATAL ERROR: Utils::getSecureRandom() CryptGenRandom failed!\r\n"); exit(1); } + s20.encrypt(buf,buf,bytes); #else // not __WINDOWS__ |