shrub/gen164/5/ed_veri.c

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/* gen164/5/ed_veri.c
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**
** This file is in the public domain.
*/
#include "all.h"
#include "../pit.h"
#include <ed25519.h>
/* functions
*/
u2_weak
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j2_mdc(Pt5, coed, ed, veri)(
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u2_noun s,
u2_noun m,
u2_noun pk)
{
c3_y sig_y[64];
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c3_y pub_y[32];
c3_w ret;
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c3_y* mes_y;
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c3_w mesm_w = u2_cr_met(3, m);
memset(sig_y, 0, 64);
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memset(pub_y, 0, 32);
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mes_y = c3_malloc(mesm_w);
u2_cr_bytes(0, 64, sig_y, s);
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u2_cr_bytes(0, 32, pub_y, pk);
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u2_cr_bytes(0, mesm_w, mes_y, m);
ret = ed25519_verify(sig_y, mes_y, mesm_w, pub_y) == 1 ? u2_yes : u2_no;
free(mes_y);
return ret;
}
u2_weak
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j2_md(Pt5, coed, ed, veri)(
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u2_noun cor)
{
u2_noun a, b, c;
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if ( u2_no == u2_cr_mean(cor,
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u2_cv_sam_2, &a, u2_cv_sam_6, &b,
u2_cv_sam_7, &c, 0) ) {
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return u2_cm_bail(c3__fail);
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} else {
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return j2_mdc(Pt5, coed, ed, veri)(a, b, c);
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}
}
/* structures
*/
u2_ho_jet
j2_mdj(Pt5, coed, ed, veri)[] = {
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{ ".2", c3__lite, j2_md(Pt5, coed, ed, veri), Tier5, u2_none, u2_none },
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{ }
};