* Revision 1.7 2000/06/22 19:02:53 mdw
* New function @mp_odd@ to extract powers of two from an integer. This is
* common code from the Rabin-Miller test, RSA key recovery and modular
* Revision 1.7 2000/06/22 19:02:53 mdw
* New function @mp_odd@ to extract powers of two from an integer. This is
* common code from the Rabin-Miller test, RSA key recovery and modular
+/* --- @mp_eq@ --- *
+ *
+ * Arguments: @const mp *a, *b@ = two numbers
+ *
+ * Returns: Nonzero if the numbers are equal.
+ */
+
+int mp_eq(const mp *a, const mp *b) { return (MP_EQ(a, b)); }
+
MP_DEST(d, MP_LEN(a) + MP_LEN(b), a->f | b->f | MP_UNDEF);
mpx_umul(d->v, d->vl, a->v, a->vl, b->v, b->vl);
} else {
size_t m = 2 * MAX(MP_LEN(a), MP_LEN(b)) + 2;
mpw *s;
MP_DEST(d, m, a->f | b->f | MP_UNDEF);
MP_DEST(d, MP_LEN(a) + MP_LEN(b), a->f | b->f | MP_UNDEF);
mpx_umul(d->v, d->vl, a->v, a->vl, b->v, b->vl);
} else {
size_t m = 2 * MAX(MP_LEN(a), MP_LEN(b)) + 2;
mpw *s;
MP_DEST(d, m, a->f | b->f | MP_UNDEF);
s = mpalloc(d->a, m);
mpx_kmul(d->v, d->vl, a->v, a->vl, b->v, b->vl, s, s + m);
mpfree(d->a, s);
s = mpalloc(d->a, m);
mpx_kmul(d->v, d->vl, a->v, a->vl, b->v, b->vl, s, s + m);
mpfree(d->a, s);
s = mpalloc(d->a, m);
mpx_ksqr(d->v, d->vl, a->v, a->vl, s, s + m);
mpfree(d->a, s);
s = mpalloc(d->a, m);
mpx_ksqr(d->v, d->vl, a->v, a->vl, s, s + m);
mpfree(d->a, s);
static int verify(const char *op, mp *expect, mp *result, mp *a, mp *b)
{
static int verify(const char *op, mp *expect, mp *result, mp *a, mp *b)
{
fprintf(stderr, "\n*** %s failed", op);
fputs("\n*** a = ", stderr); mp_writefile(a, stderr, 10);
fputs("\n*** b = ", stderr); mp_writefile(b, stderr, 10);
fprintf(stderr, "\n*** %s failed", op);
fputs("\n*** a = ", stderr); mp_writefile(a, stderr, 10);
fputs("\n*** b = ", stderr); mp_writefile(b, stderr, 10);
ok = 0;
fprintf(stderr, "\n*** odd failed");
fputs("\n*** a = ", stderr); mp_writefile(a, stderr, 10);
ok = 0;
fprintf(stderr, "\n*** odd failed");
fputs("\n*** a = ", stderr); mp_writefile(a, stderr, 10);