urbit/j/e/ed_puck.c
2015-02-10 15:13:17 -08:00

34 lines
566 B
C

/* gen164/5/ed_puck.c
**
*/
#include "all.h"
#include <ed25519.h>
/* functions
*/
u3_noun
u3wee_puck(u3_noun cor)
{
c3_y pub_y[32];
c3_y sec_y[64];
c3_y sed_y[32];
c3_w met_w;
u3_noun a = u3r_at(u3x_sam, cor);
if ( (u3_none == a) || (c3n == u3ud(a)) ) {
return u3m_bail(c3__exit);
}
met_w = u3r_met(3, a);
if ( met_w > 32 ) {
return u3m_bail(c3__exit);
}
memset(sed_y, 0, 32);
u3r_bytes(0, met_w, sed_y, a);
ed25519_create_keypair(pub_y, sec_y, sed_y);
return u3i_bytes(32, pub_y);
}