[openssl-users] Fwd: CAVP fips_rsastest.c not producing the correct signature?
noloader at gmail.com
Fri Jul 28 06:07:11 UTC 2017
On Fri, Jul 28, 2017 at 12:15 AM, Swetha Hariharan
<swethahariharan1810 at gmail.com> wrote:
> I am trying test the rsa 186-2 openssl fips module 2.0.16 implementation
> using the NIST Testvectors. Using the fips_rsastest.c file the
> FIPS_rsa_x931_generate_key_ex(rsa, keylen, bn_e, NULL) function called to
> generate the modulus n as the output and taking modulus size as the input
> i,e [mod=1024]. Then this modulus along with the appropriate hash function
> and message is passed to FIPS_rsa_sign(rsa, Msg, Msglen, dgst, pad_mode,
> Saltlen, NULL,sigbuf, (unsigned int *)&siglen) to obtain the signature as
> the output.
> But each time i execute the c code it generates different modulus n. Why is
> output changing after every execution. What am i doing wrong? I am facing
> the same problem with DSA parameter generation also. It will help me.
Key generation for RSA and DSA use pairwise consistency checks, not
known answer tests.
More information about the openssl-users