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This commit is contained in:
Zhi Guan
2015-08-15 15:02:15 +08:00
parent 06df2fab54
commit 3bdc0ea895
2536 changed files with 417052 additions and 271997 deletions
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194
crypto/ec/ec_print.c
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@@ -7,7 +7,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -56,140 +56,124 @@
#include <openssl/crypto.h>
#include "ec_lcl.h"
BIGNUM *EC_POINT_point2bn(const EC_GROUP *group,
const EC_POINT *point,
BIGNUM *EC_POINT_point2bn(const EC_GROUP *group,
const EC_POINT *point,
point_conversion_form_t form,
BIGNUM *ret,
BN_CTX *ctx)
{
size_t buf_len=0;
unsigned char *buf;
BIGNUM *ret, BN_CTX *ctx)
{
size_t buf_len = 0;
unsigned char *buf;
buf_len = EC_POINT_point2oct(group, point, form,
NULL, 0, ctx);
if (buf_len == 0)
return NULL;
buf_len = EC_POINT_point2oct(group, point, form, NULL, 0, ctx);
if (buf_len == 0)
return NULL;
if ((buf = OPENSSL_malloc(buf_len)) == NULL)
return NULL;
if ((buf = OPENSSL_malloc(buf_len)) == NULL)
return NULL;
if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx))
{
OPENSSL_free(buf);
return NULL;
}
if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx)) {
OPENSSL_free(buf);
return NULL;
}
ret = BN_bin2bn(buf, buf_len, ret);
ret = BN_bin2bn(buf, buf_len, ret);
OPENSSL_free(buf);
OPENSSL_free(buf);
return ret;
return ret;
}
EC_POINT *EC_POINT_bn2point(const EC_GROUP *group,
const BIGNUM *bn,
EC_POINT *point,
BN_CTX *ctx)
{
size_t buf_len=0;
unsigned char *buf;
EC_POINT *ret;
const BIGNUM *bn, EC_POINT *point, BN_CTX *ctx)
{
size_t buf_len = 0;
unsigned char *buf;
EC_POINT *ret;
if ((buf_len = BN_num_bytes(bn)) == 0) return NULL;
buf = OPENSSL_malloc(buf_len);
if (buf == NULL)
return NULL;
if ((buf_len = BN_num_bytes(bn)) == 0)
return NULL;
buf = OPENSSL_malloc(buf_len);
if (buf == NULL)
return NULL;
if (!BN_bn2bin(bn, buf))
{
OPENSSL_free(buf);
return NULL;
}
if (!BN_bn2bin(bn, buf)) {
OPENSSL_free(buf);
return NULL;
}
if (point == NULL)
{
if ((ret = EC_POINT_new(group)) == NULL)
{
OPENSSL_free(buf);
return NULL;
}
}
else
ret = point;
if (point == NULL) {
if ((ret = EC_POINT_new(group)) == NULL) {
OPENSSL_free(buf);
return NULL;
}
} else
ret = point;
if (!EC_POINT_oct2point(group, ret, buf, buf_len, ctx))
{
if (point == NULL)
EC_POINT_clear_free(ret);
OPENSSL_free(buf);
return NULL;
}
if (!EC_POINT_oct2point(group, ret, buf, buf_len, ctx)) {
if (point == NULL)
EC_POINT_clear_free(ret);
OPENSSL_free(buf);
return NULL;
}
OPENSSL_free(buf);
return ret;
}
OPENSSL_free(buf);
return ret;
}
static const char *HEX_DIGITS = "0123456789ABCDEF";
/* the return value must be freed (using OPENSSL_free()) */
char *EC_POINT_point2hex(const EC_GROUP *group,
const EC_POINT *point,
point_conversion_form_t form,
BN_CTX *ctx)
{
char *ret, *p;
size_t buf_len=0,i;
unsigned char *buf, *pbuf;
point_conversion_form_t form, BN_CTX *ctx)
{
char *ret, *p;
size_t buf_len = 0, i;
unsigned char *buf, *pbuf;
buf_len = EC_POINT_point2oct(group, point, form,
NULL, 0, ctx);
if (buf_len == 0)
return NULL;
buf_len = EC_POINT_point2oct(group, point, form, NULL, 0, ctx);
if (buf_len == 0)
return NULL;
if ((buf = OPENSSL_malloc(buf_len)) == NULL)
return NULL;
if ((buf = OPENSSL_malloc(buf_len)) == NULL)
return NULL;
if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx))
{
OPENSSL_free(buf);
return NULL;
}
if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx)) {
OPENSSL_free(buf);
return NULL;
}
ret = (char *)OPENSSL_malloc(buf_len*2+2);
if (ret == NULL)
{
OPENSSL_free(buf);
return NULL;
}
p = ret;
pbuf = buf;
for (i=buf_len; i > 0; i--)
{
int v = (int) *(pbuf++);
*(p++)=HEX_DIGITS[v>>4];
*(p++)=HEX_DIGITS[v&0x0F];
}
*p='\0';
ret = (char *)OPENSSL_malloc(buf_len * 2 + 2);
if (ret == NULL) {
OPENSSL_free(buf);
return NULL;
}
p = ret;
pbuf = buf;
for (i = buf_len; i > 0; i--) {
int v = (int)*(pbuf++);
*(p++) = HEX_DIGITS[v >> 4];
*(p++) = HEX_DIGITS[v & 0x0F];
}
*p = '\0';
OPENSSL_free(buf);
OPENSSL_free(buf);
return ret;
}
return ret;
}
EC_POINT *EC_POINT_hex2point(const EC_GROUP *group,
const char *buf,
EC_POINT *point,
BN_CTX *ctx)
{
EC_POINT *ret=NULL;
BIGNUM *tmp_bn=NULL;
const char *buf, EC_POINT *point, BN_CTX *ctx)
{
EC_POINT *ret = NULL;
BIGNUM *tmp_bn = NULL;
if (!BN_hex2bn(&tmp_bn, buf))
return NULL;
if (!BN_hex2bn(&tmp_bn, buf))
return NULL;
ret = EC_POINT_bn2point(group, tmp_bn, point, ctx);
ret = EC_POINT_bn2point(group, tmp_bn, point, ctx);
BN_clear_free(tmp_bn);
BN_clear_free(tmp_bn);
return ret;
}
return ret;
}