From 242690ab2a8e991b85b4735c4e0bac0ec7bd3481 Mon Sep 17 00:00:00 2001 From: djm <> Date: Fri, 1 Oct 2010 22:54:19 +0000 Subject: import OpenSSL-1.0.0a --- src/lib/libcrypto/rand/rand_unix.c | 71 +++++++++++++++++++++++++++++++++++--- 1 file changed, 66 insertions(+), 5 deletions(-) (limited to 'src/lib/libcrypto/rand/rand_unix.c') diff --git a/src/lib/libcrypto/rand/rand_unix.c b/src/lib/libcrypto/rand/rand_unix.c index 71b98ec212..e9ead3a529 100644 --- a/src/lib/libcrypto/rand/rand_unix.c +++ b/src/lib/libcrypto/rand/rand_unix.c @@ -133,7 +133,50 @@ # define FD_SETSIZE (8*sizeof(fd_set)) #endif -#ifdef __OpenBSD__ +#ifdef __VOS__ +int RAND_poll(void) +{ + unsigned char buf[ENTROPY_NEEDED]; + pid_t curr_pid; + uid_t curr_uid; + static int first=1; + int i; + long rnd = 0; + struct timespec ts; + unsigned seed; + +/* The VOS random() function starts from a static seed so its + initial value is predictable. If random() returns the + initial value, reseed it with dynamic data. The VOS + real-time clock has a granularity of 1 nsec so it should be + reasonably difficult to predict its exact value. Do not + gratuitously reseed the PRNG because other code in this + process or thread may be using it. */ + + if (first) { + first = 0; + rnd = random (); + if (rnd == 1804289383) { + clock_gettime (CLOCK_REALTIME, &ts); + curr_pid = getpid(); + curr_uid = getuid(); + seed = ts.tv_sec ^ ts.tv_nsec ^ curr_pid ^ curr_uid; + srandom (seed); + } + } + + for (i = 0; i < sizeof(buf); i++) { + if (i % 4 == 0) + rnd = random(); + buf[i] = rnd; + rnd >>= 8; + } + RAND_add(buf, sizeof(buf), ENTROPY_NEEDED); + memset(buf, 0, sizeof(buf)); + + return 1; +} +#elif defined __OpenBSD__ int RAND_poll(void) { u_int32_t rnd = 0, i; @@ -163,7 +206,7 @@ int RAND_poll(void) static const char *randomfiles[] = { DEVRANDOM }; struct stat randomstats[sizeof(randomfiles)/sizeof(randomfiles[0])]; int fd; - size_t i; + unsigned int i; #endif #ifdef DEVRANDOM_EGD static const char *egdsockets[] = { DEVRANDOM_EGD, NULL }; @@ -176,7 +219,8 @@ int RAND_poll(void) * have this. Use /dev/urandom if you can as /dev/random may block * if it runs out of random entries. */ - for (i=0; i 0) n += r; +#if defined(OPENSSL_SYS_BEOS_R5) + if (r == 0) + snooze(t.tv_usec); +#endif } else r = -1; @@ -311,6 +364,14 @@ int RAND_poll(void) l=time(NULL); RAND_add(&l,sizeof(l),0.0); +#if defined(OPENSSL_SYS_BEOS) + { + system_info sysInfo; + get_system_info(&sysInfo); + RAND_add(&sysInfo,sizeof(sysInfo),0); + } +#endif + #if defined(DEVRANDOM) || defined(DEVRANDOM_EGD) return 1; #else -- cgit v1.2.3-55-g6feb