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return error if counter exceeds limit and seed value supplied

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This commit is contained in:
Dr. Stephen Henson 2011-11-25 16:03:27 +00:00
parent 7dcdc0d94d
commit 31bf5f13e0
1 changed files with 6 additions and 0 deletions
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6
crypto/dsa/dsa_gen.c
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@ -668,6 +668,12 @@ int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,
/* step 14 */ /* step 14 */
if (counter >= (int)(4 * L)) break; if (counter >= (int)(4 * L)) break;
} }
if (seed_in)
{
ok = 0;
DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN2, DSA_R_INVALID_PARAMETERS);
goto err;
}
} }
end: end:
if(!BN_GENCB_call(cb, 2, 1)) if(!BN_GENCB_call(cb, 2, 1))