mirror of
https://github.com/urbit/shrub.git
synced 2024-12-16 23:04:16 +03:00
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/* gen164/5/ed_sign.c
|
|
**
|
|
** This file is in the public domain.
|
|
*/
|
|
#include "all.h"
|
|
#include "../pit.h"
|
|
|
|
#include <ed25519.h>
|
|
|
|
/* functions
|
|
*/
|
|
u2_weak // transfer
|
|
j2_mcc(Pt5, ed, sign)(
|
|
u2_noun a, // retain
|
|
u2_noun b) // retain
|
|
{
|
|
c3_y sig_y[64];
|
|
c3_y sed_y[32];
|
|
c3_y pub_y[64];
|
|
c3_y sec_y[64];
|
|
|
|
c3_w mesm_w = u2_cr_met(3, a);
|
|
c3_w mess_w = u2_cr_met(3, b);
|
|
|
|
c3_y* mes_y = 0;
|
|
|
|
memset(sig_y, 0, 64);
|
|
memset(sed_y, 0, 32);
|
|
memset(pub_y, 0, 64);
|
|
memset(sec_y, 0, 64);
|
|
|
|
mes_y = malloc(mesm_w);
|
|
|
|
u2_cr_bytes(0, mesm_w, mes_y, a);
|
|
u2_cr_bytes(0, mess_w, sed_y, b);
|
|
|
|
ed25519_create_keypair(pub_y, sec_y, sed_y);
|
|
ed25519_sign(sig_y, mes_y, mesm_w, pub_y, sec_y);
|
|
free(mes_y);
|
|
return u2_ci_bytes(64, sig_y);
|
|
}
|
|
u2_weak
|
|
j2_md(Pt5, coed, ed, sign)(
|
|
u2_noun cor)
|
|
{
|
|
u2_noun a, b;
|
|
if ( u2_no == u2_cr_mean(cor,
|
|
u2_cv_sam_2, &a, u2_cv_sam_3, &b, 0) ) {
|
|
return u2_cm_bail(c3__fail);
|
|
} else {
|
|
return j2_mcc(Pt5, ed, sign)(a, b);
|
|
}
|
|
}
|