diff options
Diffstat (limited to 'crypto/bn/exptest.c')
-rw-r--r-- | crypto/bn/exptest.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/crypto/bn/exptest.c b/crypto/bn/exptest.c index 37aec55b89..074a8e882a 100644 --- a/crypto/bn/exptest.c +++ b/crypto/bn/exptest.c @@ -77,7 +77,7 @@ int main(int argc, char *argv[]) BIO *out=NULL; int i,ret; unsigned char c; - BIGNUM *r_mont,*r_recp,*r_simple,*a,*b,*m; + BIGNUM *r_mont,*r_mont_const,*r_recp,*r_simple,*a,*b,*m; RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_rand may fail, and we don't * even check its return value @@ -88,6 +88,7 @@ int main(int argc, char *argv[]) ctx=BN_CTX_new(); if (ctx == NULL) EXIT(1); r_mont=BN_new(); + r_mont_const=BN_new(); r_recp=BN_new(); r_simple=BN_new(); a=BN_new(); @@ -143,8 +144,17 @@ int main(int argc, char *argv[]) EXIT(1); } + ret=BN_mod_exp_mont_consttime(r_mont_const,a,b,m,ctx,NULL); + if (ret <= 0) + { + printf("BN_mod_exp_mont_consttime() problems\n"); + ERR_print_errors(out); + EXIT(1); + } + if (BN_cmp(r_simple, r_mont) == 0 - && BN_cmp(r_simple,r_recp) == 0) + && BN_cmp(r_simple,r_recp) == 0 + && BN_cmp(r_simple,r_mont_const) == 0) { printf("."); fflush(stdout); @@ -153,6 +163,8 @@ int main(int argc, char *argv[]) { if (BN_cmp(r_simple,r_mont) != 0) printf("\nsimple and mont results differ\n"); + if (BN_cmp(r_simple,r_mont_const) != 0) + printf("\nsimple and mont const time results differ\n"); if (BN_cmp(r_simple,r_recp) != 0) printf("\nsimple and recp results differ\n"); @@ -162,18 +174,20 @@ int main(int argc, char *argv[]) printf("\nsimple ="); BN_print(out,r_simple); printf("\nrecp ="); BN_print(out,r_recp); printf("\nmont ="); BN_print(out,r_mont); + printf("\nmont_ct ="); BN_print(out,r_mont_const); printf("\n"); EXIT(1); } } BN_free(r_mont); + BN_free(r_mont_const); BN_free(r_recp); BN_free(r_simple); BN_free(a); BN_free(b); BN_free(m); BN_CTX_free(ctx); - ERR_remove_state(0); + ERR_remove_thread_state(NULL); CRYPTO_mem_leaks(out); BIO_free(out); printf(" done\n"); |