File: p384_stubs.c

package info (click to toggle)
ocaml-mirage-crypto 2.0.2-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 12,524 kB
  • sloc: ansic: 91,925; ml: 9,700; makefile: 5
file content (159 lines) | stat: -rw-r--r-- 3,813 bytes parent folder | download | duplicates (2)
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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
#include "mirage_crypto.h"

/* Microsoft compiler does not support 128-bit integers. Drop down to
 * 32-bit for MSVC.
 */
#if defined(ARCH_64BIT) && !defined(_MSC_VER)
#include "p384_64.h"
#define LIMBS 6
#define WORD uint64_t
#define WORDSIZE 64
#include "p384_tables_64.h"
#else
#include "p384_32.h"
#define LIMBS 12
#define WORD uint32_t
#define WORDSIZE 32
#include "p384_tables_32.h"
#endif

#define LEN_PRIME 384
#define CURVE_DESCRIPTION fiat_p384

#include "inversion_template.h"
#include "point_operations.h"

#include <caml/memory.h>

CAMLprim value mc_p384_sub(value out, value a, value b)
{
	CAMLparam3(out, a, b);
	fiat_p384_sub((WORD*)Bytes_val(out), (const WORD*)String_val(a), (const WORD*)String_val(b));
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_add(value out, value a, value b)
{
	CAMLparam3(out, a, b);
	fiat_p384_add((WORD*)Bytes_val(out), (const WORD*)String_val(a), (const WORD*)String_val(b));
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_mul(value out, value a, value b)
{
	CAMLparam3(out, a, b);
	fiat_p384_mul((WORD*)Bytes_val(out), (const WORD*)String_val(a), (const WORD*)String_val(b));
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_from_bytes(value out, value in)
{
	CAMLparam2(out, in);
	fiat_p384_from_bytes((WORD*)Bytes_val(out), _st_uint8(in));
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_to_bytes(value out, value in)
{
	CAMLparam2(out, in);
	fiat_p384_to_bytes(Bytes_val(out), (const WORD*)String_val(in));
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_sqr(value out, value in)
{
	CAMLparam2(out, in);
	fiat_p384_square((WORD*)Bytes_val(out), (const WORD*)String_val(in));
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_from_montgomery(value out, value in)
{
	CAMLparam2(out, in);
	fiat_p384_from_montgomery((WORD*)Bytes_val(out), (const WORD*)String_val(in));
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_to_montgomery(value out, value in)
{
	CAMLparam2(out, in);
	fiat_p384_to_montgomery((WORD*)Bytes_val(out), (const WORD*)String_val(in));
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_nz(value x)
{
	CAMLparam1(x);
	CAMLreturn(Val_bool(fe_nz((const WORD*)String_val(x))));
}

CAMLprim value mc_p384_set_one(value x)
{
	CAMLparam1(x);
        fiat_p384_set_one((WORD*)Bytes_val(x));
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_inv(value out, value in)
{
	CAMLparam2(out, in);
	inversion((WORD*)Bytes_val(out), (const WORD*)String_val(in));
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_point_double(value out, value in)
{
	CAMLparam2(out, in);
	point_double(
		(WORD*)Bytes_val(Field(out, 0)),
		(WORD*)Bytes_val(Field(out, 1)),
		(WORD*)Bytes_val(Field(out, 2)),
		(const WORD*)String_val(Field(in, 0)),
		(const WORD*)String_val(Field(in, 1)),
		(const WORD*)String_val(Field(in, 2))
	);
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_point_add(value out, value p, value q)
{
	CAMLparam3(out, p, q);
	point_add(
		(WORD*)Bytes_val(Field(out, 0)),
		(WORD*)Bytes_val(Field(out, 1)),
		(WORD*)Bytes_val(Field(out, 2)),
		(const WORD*)String_val(Field(p, 0)),
		(const WORD*)String_val(Field(p, 1)),
		(const WORD*)String_val(Field(p, 2)),
		0,
		(const WORD*)String_val(Field(q, 0)),
		(const WORD*)String_val(Field(q, 1)),
		(const WORD*)String_val(Field(q, 2))
	);
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_select(value out, value bit, value t, value f)
{
	CAMLparam4(out, bit, t, f);
	fe_cmovznz(
		(WORD*)Bytes_val(out),
		Bool_val(bit),
		(const WORD*)String_val(f),
		(const WORD*)String_val(t)
	);
	CAMLreturn(Val_unit);
}

CAMLprim value mc_p384_scalar_mult_base(value out, value s)
{
    CAMLparam2(out, s);
    scalar_mult_base(
		(WORD *) Bytes_val(Field(out, 0)),
		(WORD *) Bytes_val(Field(out, 1)),
		(WORD *) Bytes_val(Field(out, 2)),
		_st_uint8(s),
		caml_string_length(s)
    );
    CAMLreturn(Val_unit);
}