472 lines
9.6 KiB
C++
472 lines
9.6 KiB
C++
|
#include "HGDes.h"
|
|||
|
|
#include "HGInc.h"
|
|||
|
|
|
|||
|
|
/* 初始置换表IP */
|
|||
|
|
static HGByte IP_Table[64] =
|
|||
|
|
{
|
|||
|
|
57, 49, 41, 33, 25, 17, 9, 1,
|
|||
|
|
59, 51, 43, 35, 27, 19, 11, 3,
|
|||
|
|
61, 53, 45, 37, 29, 21, 13, 5,
|
|||
|
|
63, 55, 47, 39, 31, 23, 15, 7,
|
|||
|
|
56, 48, 40, 32, 24, 16, 8, 0,
|
|||
|
|
58, 50, 42, 34, 26, 18, 10, 2,
|
|||
|
|
60, 52, 44, 36, 28, 20, 12, 4,
|
|||
|
|
62, 54, 46, 38, 30, 22, 14, 6
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/* 逆初始置换表IP^-1 */
|
|||
|
|
static HGByte IP_1_Table[64] =
|
|||
|
|
{
|
|||
|
|
39, 7, 47, 15, 55, 23, 63, 31,
|
|||
|
|
38, 6, 46, 14, 54, 22, 62, 30,
|
|||
|
|
37, 5, 45, 13, 53, 21, 61, 29,
|
|||
|
|
36, 4, 44, 12, 52, 20, 60, 28,
|
|||
|
|
35, 3, 43, 11, 51, 19, 59, 27,
|
|||
|
|
34, 2, 42, 10, 50, 18, 58, 26,
|
|||
|
|
33, 1, 41, 9, 49, 17, 57, 25,
|
|||
|
|
32, 0, 40, 8, 48, 16, 56, 24
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/* 扩充置换表E */
|
|||
|
|
static HGByte E_Table[48] =
|
|||
|
|
{
|
|||
|
|
31, 0, 1, 2, 3, 4,
|
|||
|
|
3, 4, 5, 6, 7, 8,
|
|||
|
|
7, 8, 9,10, 11, 12,
|
|||
|
|
11, 12, 13, 14, 15, 16,
|
|||
|
|
15, 16, 17, 18, 19, 20,
|
|||
|
|
19, 20, 21, 22, 23, 24,
|
|||
|
|
23, 24, 25, 26, 27, 28,
|
|||
|
|
27, 28, 29, 30, 31, 0
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/* 置换函数P */
|
|||
|
|
static HGByte P_Table[32] =
|
|||
|
|
{
|
|||
|
|
15, 6, 19, 20, 28, 11, 27, 16,
|
|||
|
|
0, 14, 22, 25, 4, 17, 30, 9,
|
|||
|
|
1, 7, 23, 13, 31, 26, 2, 8,
|
|||
|
|
18, 12, 29, 5, 21, 10, 3, 24
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/* S盒 */
|
|||
|
|
static HGByte S[8][4][16] =
|
|||
|
|
{
|
|||
|
|
/* S1 */
|
|||
|
|
14,4,13,1,2,15,11,8,3,10,6,12,5,9,0,7,
|
|||
|
|
0,15,7,4,14,2,13,1,10,6,12,11,9,5,3,8,
|
|||
|
|
4,1,14,8,13,6,2,11,15,12,9,7,3,10,5,0,
|
|||
|
|
15,12,8,2,4,9,1,7,5,11,3,14,10,0,6,13,
|
|||
|
|
|
|||
|
|
/* S2 */
|
|||
|
|
15,1,8,14,6,11,3,4,9,7,2,13,12,0,5,10,
|
|||
|
|
3,13,4,7,15,2,8,14,12,0,1,10,6,9,11,5,
|
|||
|
|
0,14,7,11,10,4,13,1,5,8,12,6,9,3,2,15,
|
|||
|
|
13,8,10,1,3,15,4,2,11,6,7,12,0,5,14,9,
|
|||
|
|
|
|||
|
|
/* S3 */
|
|||
|
|
10,0,9,14,6,3,15,5,1,13,12,7,11,4,2,8,
|
|||
|
|
13,7,0,9,3,4,6,10,2,8,5,14,12,11,15,1,
|
|||
|
|
13,6,4,9,8,15,3,0,11,1,2,12,5,10,14,7,
|
|||
|
|
1,10,13,0,6,9,8,7,4,15,14,3,11,5,2,12,
|
|||
|
|
|
|||
|
|
/* S4 */
|
|||
|
|
7,13,14,3,0,6,9,10,1,2,8,5,11,12,4,15,
|
|||
|
|
13,8,11,5,6,15,0,3,4,7,2,12,1,10,14,9,
|
|||
|
|
10,6,9,0,12,11,7,13,15,1,3,14,5,2,8,4,
|
|||
|
|
3,15,0,6,10,1,13,8,9,4,5,11,12,7,2,14,
|
|||
|
|
|
|||
|
|
/* S5 */
|
|||
|
|
2,12,4,1,7,10,11,6,8,5,3,15,13,0,14,9,
|
|||
|
|
14,11,2,12,4,7,13,1,5,0,15,10,3,9,8,6,
|
|||
|
|
4,2,1,11,10,13,7,8,15,9,12,5,6,3,0,14,
|
|||
|
|
11,8,12,7,1,14,2,13,6,15,0,9,10,4,5,3,
|
|||
|
|
|
|||
|
|
/* S6 */
|
|||
|
|
12,1,10,15,9,2,6,8,0,13,3,4,14,7,5,11,
|
|||
|
|
10,15,4,2,7,12,9,5,6,1,13,14,0,11,3,8,
|
|||
|
|
9,14,15,5,2,8,12,3,7,0,4,10,1,13,11,6,
|
|||
|
|
4,3,2,12,9,5,15,10,11,14,1,7,6,0,8,13,
|
|||
|
|
|
|||
|
|
/* S7 */
|
|||
|
|
4,11,2,14,15,0,8,13,3,12,9,7,5,10,6,1,
|
|||
|
|
13,0,11,7,4,9,1,10,14,3,5,12,2,15,8,6,
|
|||
|
|
1,4,11,13,12,3,7,14,10,15,6,8,0,5,9,2,
|
|||
|
|
6,11,13,8,1,4,10,7,9,5,0,15,14,2,3,12,
|
|||
|
|
|
|||
|
|
/* S8 */
|
|||
|
|
13,2,8,4,6,15,11,1,10,9,3,14,5,0,12,7,
|
|||
|
|
1,15,13,8,10,3,7,4,12,5,6,11,0,14,9,2,
|
|||
|
|
7,11,4,1,9,12,14,2,0,6,10,13,15,3,5,8,
|
|||
|
|
2,1,14,7,4,10,8,13,15,12,9,0,3,5,6,11
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/* 置换选择1 */
|
|||
|
|
static HGByte PC_1[56] =
|
|||
|
|
{
|
|||
|
|
56,48,40,32,24,16,8,
|
|||
|
|
0,57,49,41,33,25,17,
|
|||
|
|
9,1,58,50,42,34,26,
|
|||
|
|
18,10,2,59,51,43,35,
|
|||
|
|
62,54,46,38,30,22,14,
|
|||
|
|
6,61,53,45,37,29,21,
|
|||
|
|
13,5,60,52,44,36,28,
|
|||
|
|
20,12,4,27,19,11,3
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/* 置换选择2 */
|
|||
|
|
static HGByte PC_2[48] =
|
|||
|
|
{
|
|||
|
|
13,16,10,23,0,4,2,27,
|
|||
|
|
14,5,20,9,22,18,11,3,
|
|||
|
|
25,7,15,6,26,19,12,1,
|
|||
|
|
40,51,30,36,46,54,29,39,
|
|||
|
|
50,44,32,46,43,48,38,55,
|
|||
|
|
33,52,45,41,49,35,28,31
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/* 对左移次数的规定 */
|
|||
|
|
static HGByte MOVE_TIMES[16] = { 1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1 };
|
|||
|
|
|
|||
|
|
|
|||
|
|
static int ByteToBit8(HGByte ch, HGByte bit[8])
|
|||
|
|
{
|
|||
|
|
for (int cnt = 0; cnt < 8; cnt++)
|
|||
|
|
{
|
|||
|
|
*(bit + cnt) = (ch >> cnt) & 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static int Bit8ToByte(const HGByte bit[8], HGByte* ch)
|
|||
|
|
{
|
|||
|
|
if (NULL == ch)
|
|||
|
|
return -1;
|
|||
|
|
|
|||
|
|
*ch = 0;
|
|||
|
|
for (int cnt = 0; cnt < 8; cnt++)
|
|||
|
|
{
|
|||
|
|
*ch |= *(bit + cnt) << cnt;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static int Byte8ToBit64(const HGByte ch[8], HGByte bit[64])
|
|||
|
|
{
|
|||
|
|
for (int cnt = 0; cnt < 8; cnt++)
|
|||
|
|
{
|
|||
|
|
ByteToBit8(*(ch + cnt), bit + (cnt << 3));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static int Bit64ToByte8(HGByte bit[64], HGByte ch[8])
|
|||
|
|
{
|
|||
|
|
memset(ch, 0, 8);
|
|||
|
|
for (int cnt = 0; cnt < 8; cnt++)
|
|||
|
|
{
|
|||
|
|
Bit8ToByte(bit + (cnt << 3), ch + cnt);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 密钥置换1 */
|
|||
|
|
static int DES_PC1_Transform(HGByte key[64], HGByte tempbts[56])
|
|||
|
|
{
|
|||
|
|
for (int cnt = 0; cnt < 56; cnt++)
|
|||
|
|
{
|
|||
|
|
tempbts[cnt] = key[PC_1[cnt]];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 密钥置换2 */
|
|||
|
|
static int DES_PC2_Transform(HGByte key[56], HGByte tempbts[48])
|
|||
|
|
{
|
|||
|
|
for (int cnt = 0; cnt < 48; cnt++)
|
|||
|
|
{
|
|||
|
|
tempbts[cnt] = key[PC_2[cnt]];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 循环左移 */
|
|||
|
|
static int DES_ROL(HGByte data[56], int time)
|
|||
|
|
{
|
|||
|
|
HGByte temp[56];
|
|||
|
|
HGByte temp2[28];
|
|||
|
|
|
|||
|
|
/* 保存将要循环移动到右边的位 */
|
|||
|
|
memcpy(temp, data, time);
|
|||
|
|
memcpy(temp + time, data + 28, time);
|
|||
|
|
|
|||
|
|
/* 前28位移动 */
|
|||
|
|
//memcpy(data, data + time, 28 - time);
|
|||
|
|
memcpy(temp2, data + time, 28 - time);
|
|||
|
|
memcpy(data, temp2, 28 - time);
|
|||
|
|
memcpy(data + 28 - time, temp, time);
|
|||
|
|
|
|||
|
|
/* 后28位移动 */
|
|||
|
|
//memcpy(data + 28, data + 28 + time, 28 - time);
|
|||
|
|
memcpy(temp2, data + 28 + time, 28 - time);
|
|||
|
|
memcpy(data + 28, temp2, 28 - time);
|
|||
|
|
memcpy(data + 56 - time, temp + time, time);
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 生成子密钥 */
|
|||
|
|
static int DES_MakeSubKeys(HGByte key[64], HGByte subKeys[16][48])
|
|||
|
|
{
|
|||
|
|
HGByte temp[56];
|
|||
|
|
DES_PC1_Transform(key, temp); /* PC1置换 */
|
|||
|
|
|
|||
|
|
for (int cnt = 0; cnt < 16; cnt++)
|
|||
|
|
{
|
|||
|
|
/* 16轮跌代，产生16个子密钥 */
|
|||
|
|
DES_ROL(temp, MOVE_TIMES[cnt]); /* 循环左移 */
|
|||
|
|
DES_PC2_Transform(temp, subKeys[cnt]); /* PC2置换，产生子密钥 */
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* IP置换 */
|
|||
|
|
static int DES_IP_Transform(HGByte data[64])
|
|||
|
|
{
|
|||
|
|
HGByte temp[64];
|
|||
|
|
for (int cnt = 0; cnt < 64; cnt++)
|
|||
|
|
{
|
|||
|
|
temp[cnt] = data[IP_Table[cnt]];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
memcpy(data, temp, 64);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* IP逆置换 */
|
|||
|
|
static int DES_IP_1_Transform(HGByte data[64])
|
|||
|
|
{
|
|||
|
|
HGByte temp[64];
|
|||
|
|
for (int cnt = 0; cnt < 64; cnt++)
|
|||
|
|
{
|
|||
|
|
temp[cnt] = data[IP_1_Table[cnt]];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
memcpy(data, temp, 64);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 扩展置换 */
|
|||
|
|
static int DES_E_Transform(HGByte data[48])
|
|||
|
|
{
|
|||
|
|
HGByte temp[48];
|
|||
|
|
for (int cnt = 0; cnt < 48; cnt++)
|
|||
|
|
{
|
|||
|
|
temp[cnt] = data[E_Table[cnt]];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
memcpy(data, temp, 48);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* P置换 */
|
|||
|
|
static int DES_P_Transform(HGByte data[32])
|
|||
|
|
{
|
|||
|
|
HGByte temp[32];
|
|||
|
|
for (int cnt = 0; cnt < 32; cnt++)
|
|||
|
|
{
|
|||
|
|
temp[cnt] = data[P_Table[cnt]];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
memcpy(data, temp, 32);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 异或 */
|
|||
|
|
static int DES_XOR(HGByte R[48], HGByte L[48], int count)
|
|||
|
|
{
|
|||
|
|
for (int cnt = 0; cnt < count; cnt++)
|
|||
|
|
{
|
|||
|
|
R[cnt] ^= L[cnt];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* S盒置换 */
|
|||
|
|
static int DES_SBOX(HGByte data[48])
|
|||
|
|
{
|
|||
|
|
for (int cnt = 0; cnt < 8; cnt++)
|
|||
|
|
{
|
|||
|
|
int cur1 = cnt * 6;
|
|||
|
|
int cur2 = cnt << 2;
|
|||
|
|
|
|||
|
|
/* 计算在S盒中的行与列 */
|
|||
|
|
int line = (data[cur1] << 1) + data[cur1 + 5];
|
|||
|
|
int row = (data[cur1 + 1] << 3) + (data[cur1 + 2] << 2) + (data[cur1 + 3] << 1) + data[cur1 + 4];
|
|||
|
|
int output = S[cnt][line][row];
|
|||
|
|
|
|||
|
|
/* 化为2进制 */
|
|||
|
|
data[cur2] = (output & 0X08) >> 3;
|
|||
|
|
data[cur2 + 1] = (output & 0X04) >> 2;
|
|||
|
|
data[cur2 + 2] = (output & 0X02) >> 1;
|
|||
|
|
data[cur2 + 3] = output & 0x01;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 交换 */
|
|||
|
|
static int DES_Swap(HGByte left[32], HGByte right[32])
|
|||
|
|
{
|
|||
|
|
HGByte temp[32];
|
|||
|
|
memcpy(temp, left, 32);
|
|||
|
|
memcpy(left, right, 32);
|
|||
|
|
memcpy(right, temp, 32);
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 加密单个分组 */
|
|||
|
|
static int DES_EncryptBlock(HGByte plainBlock[8], HGByte subKeys[16][48], HGByte cipherBlock[8])
|
|||
|
|
{
|
|||
|
|
HGByte plainBits[64];
|
|||
|
|
HGByte copyRight[48];
|
|||
|
|
|
|||
|
|
Byte8ToBit64(plainBlock, plainBits);
|
|||
|
|
/* 初始置换（IP置换） */
|
|||
|
|
DES_IP_Transform(plainBits);
|
|||
|
|
|
|||
|
|
/* 16轮迭代 */
|
|||
|
|
for (int cnt = 0; cnt < 16; cnt++)
|
|||
|
|
{
|
|||
|
|
memcpy(copyRight, plainBits + 32, 32);
|
|||
|
|
|
|||
|
|
/* 将右半部分进行扩展置换，从32位扩展到48位 */
|
|||
|
|
DES_E_Transform(copyRight);
|
|||
|
|
/* 将右半部分与子密钥进行异或操作 */
|
|||
|
|
DES_XOR(copyRight, subKeys[cnt], 48);
|
|||
|
|
/* 异或结果进入S盒，输出32位结果 */
|
|||
|
|
DES_SBOX(copyRight);
|
|||
|
|
/* P置换 */
|
|||
|
|
DES_P_Transform(copyRight);
|
|||
|
|
/* 将明文左半部分与右半部分进行异或 */
|
|||
|
|
DES_XOR(plainBits, copyRight, 32);
|
|||
|
|
|
|||
|
|
if (cnt != 15)
|
|||
|
|
{
|
|||
|
|
/* 最终完成左右部的交换 */
|
|||
|
|
DES_Swap(plainBits, plainBits + 32);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 逆初始置换（IP^1置换） */
|
|||
|
|
DES_IP_1_Transform(plainBits);
|
|||
|
|
Bit64ToByte8(plainBits, cipherBlock);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/* 解密单个分组 */
|
|||
|
|
|
|||
|
|
static int DES_DecryptBlock(HGByte cipherBlock[8], HGByte subKeys[16][48], HGByte plainBlock[8])
|
|||
|
|
{
|
|||
|
|
HGByte cipherBits[64];
|
|||
|
|
HGByte copyRight[48];
|
|||
|
|
|
|||
|
|
Byte8ToBit64(cipherBlock, cipherBits);
|
|||
|
|
/* 初始置换（IP置换） */
|
|||
|
|
DES_IP_Transform(cipherBits);
|
|||
|
|
|
|||
|
|
/* 16轮迭代 */
|
|||
|
|
for (int cnt = 15; cnt >= 0; cnt--)
|
|||
|
|
{
|
|||
|
|
memcpy(copyRight, cipherBits + 32, 32);
|
|||
|
|
|
|||
|
|
/* 将右半部分进行扩展置换，从32位扩展到48位 */
|
|||
|
|
DES_E_Transform(copyRight);
|
|||
|
|
/* 将右半部分与子密钥进行异或操作 */
|
|||
|
|
DES_XOR(copyRight, subKeys[cnt], 48);
|
|||
|
|
/* 异或结果进入S盒，输出32位结果 */
|
|||
|
|
DES_SBOX(copyRight);
|
|||
|
|
/* P置换 */
|
|||
|
|
DES_P_Transform(copyRight);
|
|||
|
|
/* 将明文左半部分与右半部分进行异或 */
|
|||
|
|
DES_XOR(cipherBits, copyRight, 32);
|
|||
|
|
|
|||
|
|
if (cnt != 0)
|
|||
|
|
{
|
|||
|
|
/* 最终完成左右部的交换 */
|
|||
|
|
DES_Swap(cipherBits, cipherBits + 32);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 逆初始置换（IP^1置换） */
|
|||
|
|
DES_IP_1_Transform(cipherBits);
|
|||
|
|
Bit64ToByte8(cipherBits, plainBlock);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
HGResult HGAPI HGBase_DesEncrypt(HGByte* data, HGUInt size, const HGByte* key)
|
|||
|
|
{
|
|||
|
|
if (NULL == data || 0 == size || 0 != size % 8 || NULL == key)
|
|||
|
|
{
|
|||
|
|
return HGBASE_ERR_INVALIDARG;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
HGByte bKey[64];
|
|||
|
|
HGByte subKeys[16][48];
|
|||
|
|
HGByte plainBlock[8];
|
|||
|
|
|
|||
|
|
/* 将密钥转换为二进制流 */
|
|||
|
|
Byte8ToBit64(key, bKey);
|
|||
|
|
/* 生成子密钥 */
|
|||
|
|
DES_MakeSubKeys(bKey, subKeys);
|
|||
|
|
|
|||
|
|
HGByte* p = data;
|
|||
|
|
HGByte* pe = data + size;
|
|||
|
|
while (p < pe)
|
|||
|
|
{
|
|||
|
|
memcpy(plainBlock, p, 8);
|
|||
|
|
DES_EncryptBlock(plainBlock, subKeys, p);
|
|||
|
|
p += 8;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return HGBASE_ERR_OK;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
HGResult HGAPI HGBase_DesDecrypt(HGByte* data, HGUInt size, const HGByte* key)
|
|||
|
|
{
|
|||
|
|
if (NULL == data || 0 == size || 0 != size % 8 || NULL == key)
|
|||
|
|
{
|
|||
|
|
return HGBASE_ERR_INVALIDARG;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
HGByte bKey[64];
|
|||
|
|
HGByte subKeys[16][48];
|
|||
|
|
HGByte cipherBlock[8];
|
|||
|
|
|
|||
|
|
/* 将密钥转换为二进制流 */
|
|||
|
|
Byte8ToBit64(key, bKey);
|
|||
|
|
/* 生成子密钥 */
|
|||
|
|
DES_MakeSubKeys(bKey, subKeys);
|
|||
|
|
|
|||
|
|
HGByte* p = data;
|
|||
|
|
HGByte* pe = data + size;
|
|||
|
|
while (p < pe)
|
|||
|
|
{
|
|||
|
|
memcpy(cipherBlock, p, 8);
|
|||
|
|
DES_DecryptBlock(cipherBlock, subKeys, p);
|
|||
|
|
p += 8;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return HGBASE_ERR_OK;
|
|||
|
|
}
|