wolfSSL/wolfssl
1
0
Fork 1
mirror of https://github.com/wolfSSL/wolfssl.git synced 2026-01-27 03:02:19 +01:00
Code Issues Packages Projects Releases Wiki Activity

Separate new /dev/urandom opening logic into a new section in wc_GenerateSeed.

Browse Source
This commit is contained in:
Kareem
2025-12-23 14:48:56 -07:00
parent cb81cc8ce6
commit 06d8f69dac
1 changed files with 22 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
wolfcrypt/src/random.c
View File

@@ -3561,11 +3561,10 @@ int wc_GenerateSeed(OS_Seed* os, byte* output, word32 sz)
#endif
#ifndef NO_FILESYSTEM
#ifndef NO_DEV_URANDOM /* way to disable use of /dev/urandom */
#ifdef WOLFSSL_KEEP_RNG_SEED_FD_OPEN
#ifdef WOLFSSL_KEEP_RNG_SEED_FD_OPEN
if (!os->seedFdOpen)
#endif
{
#ifndef NO_DEV_URANDOM /* way to disable use of /dev/urandom */
os->fd = open("/dev/urandom", O_RDONLY);
#if defined(DEBUG_WOLFSSL)
WOLFSSL_MSG("opened /dev/urandom.");
@@ -3575,25 +3574,39 @@ int wc_GenerateSeed(OS_Seed* os, byte* output, word32 sz)
{
/* may still have /dev/random */
os->fd = open("/dev/random", O_RDONLY);
#if defined(DEBUG_WOLFSSL)
#if defined(DEBUG_WOLFSSL)
WOLFSSL_MSG("opened /dev/random.");
#endif
#endif
if (os->fd == -1)
return OPEN_RAN_E;
#ifdef WOLFSSL_KEEP_RNG_SEED_FD_OPEN
else {
os->keepSeedFdOpen = 0;
os->seedFdOpen = 1;
}
#endif
}
#ifdef WOLFSSL_KEEP_RNG_SEED_FD_OPEN
else {
os->keepSeedFdOpen = 1;
os->seedFdOpen = 1;
}
#endif
}
#else
#ifndef NO_DEV_URANDOM /* way to disable use of /dev/urandom */
os->fd = open("/dev/urandom", O_RDONLY);
#if defined(DEBUG_WOLFSSL)
WOLFSSL_MSG("opened /dev/urandom.");
#endif
if (os->fd == -1)
#endif
{
/* may still have /dev/random */
os->fd = open("/dev/random", O_RDONLY);
#if defined(DEBUG_WOLFSSL)
WOLFSSL_MSG("opened /dev/random.");
#endif
if (os->fd == -1)
return OPEN_RAN_E;
}
#endif
#if defined(DEBUG_WOLFSSL)
WOLFSSL_MSG("rnd read...");
#endif