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Crypto/ec: Make internal functions static

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This reduces the size of the stripped .o by 3 KiB, and the non-stripped
one by 21 KiB, when not doing LTO.
This commit is contained in:
Emmanuel Gil Peyrot 2021-07-31 20:35:52 +02:00 committed by Ivan
parent 05d1b3605e
commit 8af694da2e
1 changed files with 10 additions and 53 deletions
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63
rpcs3/Crypto/ec.cpp
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@ -3,31 +3,19 @@
// http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
#include "utils.h"
#include <string>
void bn_print(char* name, u8* a, u32 n)
{
u32 i;
printf("%s = ", name);
for (i = 0; i < n; i++)
printf("%02x", a[i]);
printf("\n");
}
#include <cstring>
static void bn_zero(u8* d, u32 n)
{
memset(d, 0, n);
}
void bn_copy(u8* d, u8* a, u32 n)
static void bn_copy(u8* d, u8* a, u32 n)
{
memcpy(d, a, n);
}
int bn_compare(u8* a, u8* b, u32 n)
static int bn_compare(u8* a, u8* b, u32 n)
{
u32 i;
@ -76,13 +64,13 @@ static u8 bn_sub_1(u8* d, u8* a, u8* b, u32 n)
return 1 - c;
}
void bn_reduce(u8* d, u8* N, u32 n)
static void bn_reduce(u8* d, u8* N, u32 n)
{
if (bn_compare(d, N, n) >= 0)
bn_sub_1(d, d, N, n);
}
void bn_add(u8* d, u8* a, u8* b, u8* N, u32 n)
static void bn_add(u8* d, u8* a, u8* b, u8* N, u32 n)
{
if (bn_add_1(d, a, b, n))
bn_sub_1(d, d, N, n);
@ -90,7 +78,7 @@ void bn_add(u8* d, u8* a, u8* b, u8* N, u32 n)
bn_reduce(d, N, n);
}
void bn_sub(u8* d, u8* a, u8* b, u8* N, u32 n)
static void bn_sub(u8* d, u8* a, u8* b, u8* N, u32 n)
{
if (bn_sub_1(d, a, b, n))
bn_add_1(d, d, N, n);
@ -141,7 +129,7 @@ static void bn_mon_muladd_dig(u8* d, u8* a, u8 b, u8* N, u32 n)
bn_reduce(d, N, n);
}
void bn_mon_mul(u8* d, u8* a, u8* b, u8* N, u32 n)
static void bn_mon_mul(u8* d, u8* a, u8* b, u8* N, u32 n)
{
u8 t[512];
u32 i;
@ -154,7 +142,7 @@ void bn_mon_mul(u8* d, u8* a, u8* b, u8* N, u32 n)
bn_copy(d, t, n);
}
void bn_to_mon(u8* d, u8* N, u32 n)
static void bn_to_mon(u8* d, u8* N, u32 n)
{
u32 i;
@ -162,7 +150,7 @@ void bn_to_mon(u8* d, u8* N, u32 n)
bn_add(d, d, d, N, n);
}
void bn_from_mon(u8* d, u8* N, u32 n)
static void bn_from_mon(u8* d, u8* N, u32 n)
{
u8 t[512];
@ -192,7 +180,7 @@ static void bn_mon_exp(u8* d, u8* a, u8* N, u32 n, u8* e, u32 en)
}
}
void bn_mon_inv(u8* d, u8* a, u8* N, u32 n)
static void bn_mon_inv(u8* d, u8* a, u8* N, u32 n)
{
u8 t[512], s[512];
@ -276,30 +264,6 @@ static void point_from_mon(point* p)
bn_from_mon(p->y, ec_p, 20);
}
#if 0
static int point_is_on_curve(u8* p)
{
u8 s[20], t[20];
u8 *x, *y;
x = p;
y = p + 20;
elt_square(t, x);
elt_mul(s, t, x);
elt_mul(t, x, ec_a);
elt_add(s, s, t);
elt_add(s, s, ec_b);
elt_square(t, y);
elt_sub(s, s, t);
return elt_is_zero(s);
}
#endif
static void point_zero(point* p)
{
elt_zero(p->x);
@ -460,13 +424,6 @@ static int check_ecdsa(struct point* Q, u8* R, u8* S, u8* hash)
return (bn_compare(rr, R, 21) == 0);
}
#if 0
static void ec_priv_to_pub(u8* k, u8* Q)
{
point_mul(Q, k, ec_G);
}
#endif
int ecdsa_set_curve(const u8* p, const u8* a, const u8* b, const u8* N, const u8* Gx, const u8* Gy)
{
memcpy(ec_p, p, 20);