BN_FLG_SECURE
ret->flags = BN_FLG_SECURE;
if ((flag & BN_FLG_SECURE) != 0)
BN_set_flags(bn, BN_FLG_SECURE);
if (BN_get_flags(a, BN_FLG_SECURE))
ret->flags |= BN_FLG_SECURE;
if (BN_get_flags(b, BN_FLG_SECURE))
t = BN_get_flags(a, BN_FLG_SECURE) ? BN_secure_new() : BN_new();
#define FLAGS_DATA(flags) ((flags) & (BN_FLG_STATIC_DATA | BN_FLG_CONSTTIME | BN_FLG_SECURE | BN_FLG_FIXED_TOP))
if (BN_get_flags(bn, BN_FLG_SECURE) == BN_FLG_SECURE)
|| !TEST_int_eq(BN_get_flags(pbn, BN_FLG_SECURE), BN_FLG_SECURE)
|| !TEST_int_eq(BN_get_flags(pbn, BN_FLG_SECURE), BN_FLG_SECURE)
|| !TEST_int_eq(BN_get_flags(nbn, BN_FLG_SECURE), BN_FLG_SECURE)
|| !TEST_int_eq(BN_get_flags(zbn, BN_FLG_SECURE), BN_FLG_SECURE)