diff options
Diffstat (limited to 'src/Crypto/jitterentropy-base-user.h')
| -rw-r--r-- | src/Crypto/jitterentropy-base-user.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/Crypto/jitterentropy-base-user.h b/src/Crypto/jitterentropy-base-user.h index 0ebbac5d..3502dd4f 100644 --- a/src/Crypto/jitterentropy-base-user.h +++ b/src/Crypto/jitterentropy-base-user.h @@ -75,6 +75,8 @@ static VC_INLINE void jent_get_nstime(uint64 *out) #else +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64 + /* taken from Linux kernel */ #if CRYPTOPP_BOOL_X64 #define DECLARE_ARGS(val, low, high) unsigned low, high @@ -93,6 +95,29 @@ VC_INLINE void jent_get_nstime(uint64 *out) *out = EAX_EDX_VAL(val, low, high); } +#else + +#include <time.h> + +VC_INLINE void jent_get_nstime(uint64 *out) +{ + /* we could use CLOCK_MONOTONIC(_RAW), but with CLOCK_REALTIME + * we get some nice extra entropy once in a while from the NTP actions + * that we want to use as well... though, we do not rely on that + * extra little entropy */ + uint64_t tmp = 0; + struct timespec time; + if (clock_gettime(CLOCK_REALTIME, &time) == 0) + { + tmp = time.tv_sec; + tmp = tmp << 32; + tmp = tmp | time.tv_nsec; + } + *out = tmp; +} + +#endif + #endif #ifdef _MSC_VER |