static int rsa_printkey2(FILE *out, RSA *rsa,
BIGNUM *Xq1, BIGNUM *Xq2, BIGNUM *Xq)
{
int ret = 0;
BIGNUM *q1 = NULL, *q2 = NULL;
q1 = BN_new();
q2 = BN_new();
if (!q1 || !q2)
goto error;
if (!RSA_X931_derive_ex(rsa, NULL, NULL, q1, q2, NULL, NULL, NULL,
Xq1, Xq2, Xq, NULL, NULL))
goto error;
do_bn_print_name(out, "q1", q1);
do_bn_print_name(out, "q2", q2);
do_bn_print_name(out, "q", rsa->q);
do_bn_print_name(out, "n", rsa->n);
do_bn_print_name(out, "d", rsa->d);
ret = 1;
error:
if (q1)
BN_free(q1);
if (q2)
BN_free(q2);
return ret;
}
static int rsa_printkey1(FILE *out, RSA *rsa,
BIGNUM *Xp1, BIGNUM *Xp2, BIGNUM *Xp,
BIGNUM *e)
{
int ret = 0;
BIGNUM *p1 = NULL, *p2 = NULL;
p1 = BN_new();
p2 = BN_new();
if (!p1 || !p2)
goto error;
if (!RSA_X931_derive_ex(rsa, p1, p2, NULL, NULL, Xp1, Xp2, Xp,
NULL, NULL, NULL, e, NULL))
goto error;
do_bn_print_name(out, "p1", p1);
do_bn_print_name(out, "p2", p2);
do_bn_print_name(out, "p", rsa->p);
ret = 1;
error:
if (p1)
BN_free(p1);
if (p2)
BN_free(p2);
return ret;
}
int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e,
BN_GENCB *cb)
{
int ok = 0;
BIGNUM *Xp = NULL, *Xq = NULL;
BN_CTX *ctx = NULL;
ctx = BN_CTX_new();
if (!ctx)
goto error;
BN_CTX_start(ctx);
Xp = BN_CTX_get(ctx);
Xq = BN_CTX_get(ctx);
if (!BN_X931_generate_Xpq(Xp, Xq, bits, ctx))
goto error;
rsa->p = BN_new();
rsa->q = BN_new();
if (!rsa->p || !rsa->q)
goto error;
/* Generate two primes from Xp, Xq */
if (!BN_X931_generate_prime_ex(rsa->p, NULL, NULL, NULL, NULL, Xp,
e, ctx, cb))
goto error;
if (!BN_X931_generate_prime_ex(rsa->q, NULL, NULL, NULL, NULL, Xq,
e, ctx, cb))
goto error;
/*
* Since rsa->p and rsa->q are valid this call will just derive remaining
* RSA components.
*/
if (!RSA_X931_derive_ex(rsa, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, e, cb))
goto error;
ok = 1;
error:
if (ctx) {
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
if (ok)
return 1;
return 0;
}
int RSA_X931_derive(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1, BIGNUM *q2,
void (*callback)(int, int, void *), void *cb_arg,
const BIGNUM *Xp1, const BIGNUM *Xp2, const BIGNUM *Xp,
const BIGNUM *Xq1, const BIGNUM *Xq2, const BIGNUM *Xq,
const BIGNUM *e)
{
BN_GENCB cb;
BN_GENCB_set_old(&cb, callback, cb_arg);
return RSA_X931_derive_ex(rsa, p1, p2, q1, q2, Xp1, Xp2, Xp,
Xq1, Xq2, Xq, e, &cb);
}
