BN_mod_exp_ct
if (!BN_mod_exp_ct(ret->A, ret->A, ret->e, ret->mod, ctx))
if (!BN_mod_exp_ct(x, x, k, n, ctx))
int BN_mod_exp_ct(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
if (!BN_mod_exp_ct(ret, A, q, p, ctx))
if (!BN_mod_exp_ct(b, t, q, p, ctx))
if (!BN_mod_exp_ct(y, y, q, p, ctx))
if (!BN_mod_exp_ct(x, A, t, p, ctx))
if (!BN_mod_exp_ct(residue, dh->g, dh->q, dh->p, ctx))
if (!BN_mod_exp_ct(residue, pub_key, dh->q, dh->p, ctx))
if (!BN_mod_exp_ct(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx)) {
if (!BN_mod_exp_ct(powg, dsa->g, dsa->q, dsa->p, ctx))
if (!BN_mod_exp_ct(pub_key, dsa->g, priv_key, dsa->p, ctx))
if (!BN_mod_exp_ct(dsa->pub_key, dsa->g,