shrub/gen164/5/ed_puck.c
2014-09-02 22:46:55 -07:00

36 lines
685 B
C

/* gen164/5/ed_puck.c
**
** This file is in the public domain.
*/
#include "all.h"
#include "../pit.h"
#include <ed25519.h>
/* functions
*/
u2_weak
j2_md(Pt5, coed, ed, puck)(
u2_noun cor)
{
c3_y pub_y[32];
c3_y sec_y[64];
c3_y sed_y[32];
c3_w met_w;
u2_noun a = u2_cr_at(u2_cv_sam, cor);
if ( (u2_none == a) || (u2_no == u2ud(a)) ) {
return u2_cm_bail(c3__exit);
}
met_w = u2_cr_met(3, a);
if ( met_w > 32 ) {
return u2_cm_bail(c3__exit);
}
memset(sed_y, 0, 32);
u2_cr_bytes(0, met_w, sed_y, a);
ed25519_create_keypair(pub_y, sec_y, sed_y);
return u2_ci_bytes(32, pub_y);
}