We call DH_generate_key(DH *dh) and the RAND_poll() is called ssleay_rand_bytes
libeay32d.dll!RAND_poll() Line 572 C
libeay32d.dll!ssleay_rand_bytes(unsigned char * buf=0x03318fe0, int num=128, int pseudo=0) Line 395 C
libeay32d.dll!ssleay_rand_nopseudo_bytes(unsigned char * buf=0x03318fe0, int num=128) Line 536 + 0xf bytes C
libeay32d.dll!RAND_bytes(unsigned char * buf=0x03318fe0, int num=128) Line 164 + 0x10 bytes C
libeay32d.dll!bnrand(int pseudorand=0, bignum_st * rnd=0x03318518, int bits=1023, int top=0, int bottom=0) Line 152 + 0xd bytes C
> libeay32d.dll!BN_rand(bignum_st * rnd=0x03318518, int bits=1023, int top=0, int bottom=0) Line 213 + 0x17 bytes C
libeay32d.dll!generate_key(dh_st * dh=0x03316a88) Line 170 + 0x11 bytes C
libeay32d.dll!DH_generate_key(dh_st * dh=0x03316a88) Line 84 + 0xf bytes C
Thanks
Jason
On Thu, Oct 5, 2017 at 3:33 PM, Jeffrey Walton <noloader@xxxxxxxxx> wrote:
On Thu, Oct 5, 2017 at 2:55 PM, Jason Qian via openssl-users
<openssl-users@xxxxxxxxxxx> wrote:
> Thanks Michael,
>
> I saw a lot of discussion for this issue on,
>
> https://mta.openssl.org/pipermail/openssl-dev/2015- July/002210.html
>
> Not sure if openSSL has a workaround or a patch ?
>
>
> It hangs on :
>
> libeay32.dll!RAND_poll() Line 523
>
> if (heap_first(&hentry,
> hlist.th32ProcessID,
> hlist.th32HeapID))
You should avoid calls to RAND_poll altogether on Windows. Do so by
explicitly seeding the random number generator yourself.
Also see https://wiki.openssl.org/index.php/Random_Numbers# Windows_Issues
on the OpenSSL wiki.
Jeff
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