diff options
| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2019-02-12 18:49:12 +0100 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2019-02-12 19:06:14 +0100 |
| commit | 86f0fde6e7914f055c5872bf7f2f565cc09977fc (patch) | |
| tree | fea427f46509ccaa1cb77ec233cb2ab41157576e /src/Crypto/cpu.h | |
| parent | a5943c07fbc2754e0785cfa3d4645e96ae87b405 (diff) | |
| download | VeraCrypt-86f0fde6e7914f055c5872bf7f2f565cc09977fc.tar.gz VeraCrypt-86f0fde6e7914f055c5872bf7f2f565cc09977fc.zip | |
Windows: Use Hardware RNG based on CPU timing jitter "Jitterentropy" by Stephan Mueller as a good alternative to RDRAND (http://www.chronox.de/jent.html, smueller@chronox.de)
Diffstat (limited to 'src/Crypto/cpu.h')
| -rw-r--r-- | src/Crypto/cpu.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/Crypto/cpu.h b/src/Crypto/cpu.h index 9fac453b..12576b47 100644 --- a/src/Crypto/cpu.h +++ b/src/Crypto/cpu.h @@ -25,6 +25,23 @@ #define ATT_NOPREFIX #endif +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64 +#if defined(TC_WINDOWS_DRIVER) || defined (_UEFI) +#if defined(__cplusplus) +extern "C" { +#endif +extern unsigned __int64 __rdtsc(); +#if defined(__cplusplus) +} +#endif +#else +#include <intrin.h> +#ifdef _MSC_VER +#pragma intrinsic(__rdtsc) +#endif +#endif +#endif + #ifdef CRYPTOPP_GENERATE_X64_MASM #define CRYPTOPP_X86_ASM_AVAILABLE |