1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/// @file
#include "jets/q.h"
#include "jets/w.h"
#include "noun.h"
#include "urcrypt.h"
static u3_atom
_cqee_smac(u3_atom a,
u3_atom b,
u3_atom c)
{
c3_y a_y[32], b_y[32], c_y[32], out_y[32];
c3_w met_w;
met_w = u3r_met(3, a);
if ( (32 < met_w) ||
( (32 == met_w) &&
(127 < u3r_byte(31, a)) )
) {
u3_noun a_recs = u3qee_recs(a);
u3r_bytes(0, 32, a_y, a_recs);
u3z(a_recs);
} else {
u3r_bytes(0, 32, a_y, a);
}
met_w = u3r_met(3, b);
if ( (32 < met_w) ||
( (32 == met_w) &&
(127 < u3r_byte(31, b)) )
) {
u3_noun b_recs = u3qee_recs(b);
u3r_bytes(0, 32, b_y, b_recs);
u3z(b_recs);
} else {
u3r_bytes(0, 32, b_y, b);
}
met_w = u3r_met(3, c);
if ( (32 < met_w) ||
( (32 == met_w) &&
(127 < u3r_byte(31, c)) )
) {
u3_noun c_recs = u3qee_recs(c);
u3r_bytes(0, 32, c_y, c_recs);
u3z(c_recs);
} else {
u3r_bytes(0, 32, c_y, c);
}
urcrypt_ed_scalar_muladd(a_y, b_y, c_y, out_y);
return u3i_bytes(32, out_y);
}
u3_noun
u3wee_smac(u3_noun cor)
{
u3_noun a, b, c;
if ( (c3n == u3r_mean(cor, u3x_sam_2, &a,
u3x_sam_6, &b,
u3x_sam_7, &c, 0)) ||
(c3n == u3ud(a)) ||
(c3n == u3ud(b)) ||
(c3n == u3ud(c)) )
{
return u3m_bail(c3__exit);
} else {
return _cqee_smac(a, b, c);
}
}
|