[openssl-users] Fips CTR_DRBG

Piotr Łobacz piotr.lobacz at radmor.com.pl
Fri Feb 27 13:24:25 UTC 2015


Thanks a lot, adding this flag did the trick. The returned block is
identical as the expected.

Dnia 2015-02-27, pią o godzinie 12:54 +0000, Dr. Stephen Henson pisze:
> On Fri, Feb 27, 2015, Piotr ??obacz wrote:
> 
> > I can do mutch more i can give the source code:
> > 
> > 	  dctx = FIPS_drbg_new(NID_aes_256_ctr, DRBG_FLAG_CTR_USE_DF);
> > 
> 
> Try including the flag DRBG_FLAG_TEST: the DRBG needs to be in test mode
> otherwise the continuous PRNG test discards the first block generated.
> 
> Steve.
> --
> Dr Stephen N. Henson. OpenSSL project core developer.
> Commercial tech support now available see: http://www.openssl.org
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