Commit 74ee3796 authored by Kurt Roeckx's avatar Kurt Roeckx
Browse files

Change the number of Miller-Rabin test for DSA generation to 64 



This changes the security level from 100 to 128 bit.
We only have 1 define, this sets it to the highest level supported for
DSA, and needed for keys larger than 3072 bit.

Reviewed-by: default avatarRichard Levitte <levitte@openssl.org>
Reviewed-by: default avatarMatthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
Reviewed-by: default avatarPaul Dale <paul.dale@oracle.com>
GH: #6075
parent 7c226dfc

CHANGES

+3 −0
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@@ -9,6 +9,9 @@ 














 Changes between 1.1.0h and 1.1.1 [xx XXX xxxx]



























  *) Increase the number of Miller-Rabin rounds for DSA key generating to 64.













     [Kurt Roeckx]



























  *) The 'tsget' script is renamed to 'tsget.pl', to avoid confusion when















     moving between systems, and to avoid confusion when a Windows build is















     done with mingw vs with MSVC.  For POSIX installs, there's still a

































include/openssl/dsa.h



+5
−3






























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@@ -141,10 +141,12 @@ int DSAparams_print_fp(FILE *fp, const DSA *x);













int DSA_print_fp(FILE *bp, const DSA *x, int off);















# endif





























# define DSS_prime_checks 50













# define DSS_prime_checks 64















/*













 * Primality test according to FIPS PUB 186[-1], Appendix 2.1: 50 rounds of













 * Rabin-Miller













 * Primality test according to FIPS PUB 186-4, Appendix C.3. Since we only













 * have one value here we set the number of checks to 64 which is the 128 bit













 * security level that is the highest level and valid for creating a 3072 bit













 * DSA key.















 */















# define DSA_is_prime(n, callback, cb_arg) \















        BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg)