[转载] VB实现DES

'
'======= 私有变量 =======
Private ip(63) As Byte, ip_1(63) As Byte, e(47) As Byte '数据变换
Private pc_1(55) As Integer, pc_2(47) As Integer, ccmovebit(15) As Integer '密钥生成
Private p(31) As Byte, ss(7, 3, 15) As Byte 'S变换
Private key_n1(15, 7) As Byte '密钥1
Private key_n2(15, 7) As Byte '密钥2
'
'======= API =========
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
'
'***************************************************************
'
'==================== 下面是类的函数及方法 ===================
'
'***************************************************************
'==========================================================================================
' SetKey 函数说明：
' 设置3DES加/解密的密钥
' 返回：
' 无
' 参数：
' K_Bit() AS Byte 密钥,不少于16个元素
'==========================================================================================
Sub SetKey(K_Bit() As Byte)
Dim Key() As Byte
Dim K_Bit1(7) As Byte
Dim K_Bit2(7) As Byte
Key = K_Bit
ReDim Preserve Key(15) As Byte
CopyMemory K_Bit1(0), Key(0), 8
CopyMemory K_Bit2(0), Key(8), 8
'//根据密钥生成16个子密钥
GenSubKey K_Bit1(), key_n1()
GenSubKey K_Bit2(), key_n2()
End Sub
'==========================================================================================
' SetKey1 函数说明：
' 设置3DES加/解密的的第一个密钥
' 返回：
' 无
' 参数：
' K_Bit() AS Byte 密钥,不少于8个元素
'==========================================================================================
Sub SetKey1(K_Bit() As Byte)
'//根据密钥生成16个子密钥
Dim Key() As Byte
ReDim Preserve Key(7) As Byte
GenSubKey Key(), key_n1()
End Sub
'=========================================================================================
' SetKey2 函数说明：
' 设置3DES加/解密的的第二个密钥
' 返回：
' 无
' 参数：
' K_Bit() AS Byte 密钥,不少于8个元素
'==========================================================================================
Sub SetKey2(K_Bit() As Byte)
'//根据密钥生成16个子密钥
Dim Key() As Byte
ReDim Preserve Key(7) As Byte
GenSubKey Key(), key_n2()
End Sub
'==========================================================================================
' Encrypt3Des_ArrToArr 函数说明：
' 3DES加/解密
' 返回：
' 无
' 参数：
' m_bit() As Byte 输入
' e_bit() As Byte 输出 ,元素个数为8的倍数
' bFlag As Byte 可选输入,为2则解密,其它或为缺省时为加密
'==========================================================================================
Sub Encrypt3Des_ArrToArr(m_bit() As Byte, e_bit() As Byte, Optional bFlag As Byte = 1)
Dim i As Integer
Dim ina() As Byte, outa() As Byte
ina = m_bit
EncryptDes_ArrToArr ina(), outa(), 1, bFlag
ina = outa
EncryptDes_ArrToArr ina(), outa(), 2, 3 - bFlag
ina = outa
EncryptDes_ArrToArr ina(), outa(), 1, bFlag
ReDim e_bit(UBound(outa)) As Byte
'For i = 0 To UBound(outa)
' e_bit(i) = outa(i)
'Next
CopyMemory e_bit(0), outa(0), UBound(outa) + 1
End Sub
'==========================================================================================
' EncryptDes_ArrToArr 函数说明：
' DES加/解密
' 返回：
' 无
' 参数：
' m_bit() As Byte 输入
' e_bit() As Byte 输出 ,元素个数为8的倍数
' bUseKeyNo As Byte 可选输入,为2则使用第二个密钥加/解密，否则使用第一个密钥加/解密
' bFlag As Byte 可选输入,为2则解密,否则加密
'==========================================================================================
Sub EncryptDes_ArrToArr(m_bit() As Byte, e_bit() As Byte, Optional bUseKeyNo As Byte = 1, Optional bFlag As Byte = 1)
Dim iSL As Integer
Dim ina(7) As Byte
Dim lPos As Long
Dim outa(7) As Byte
Dim L As Long, M As Long
Dim i As Long
If bUseKeyNo <> 2 Then bUseKeyNo = 1
iSL = UBound(m_bit) + 1
If iSL Mod 8 <> 0 Then
iSL = ((iSL \ 8) + 1) * 8
End If
ReDim e_bit(iSL - 1) As Byte
L = 0
Do While L <= UBound(m_bit)
M = L + 7
If M > UBound(m_bit) Then M = UBound(m_bit)
For i = 0 To 7
ina(i) = 0
Next
For i = L To M
ina(i - L) = m_bit(i)
Next
endes1 ina(), outa(), bUseKeyNo, bFlag
For i = 0 To 7
e_bit(i + L) = outa(i)
Next
L = L + 8
Loop
End Sub
'
'***************************************************************
'
'==================== 下面是私有函数及过程 ===================
'
'***************************************************************
'
'* ArrXor 函数说明：
'* 将输入的两个数组中的字节元素分别作异或运算
'* 返回：
'* 无
'* 参数：'
'* const BYTE in1[] 输入字符串1
'* const BYTE in2[] 输入字符串2
'* BYTE out[] 输出的结果字符串
'*/
Private Sub ArrXor(in1() As Byte, in2() As Byte, outa() As Byte)
Dim i As Integer
For i = 0 To UBound(in1)
outa(i) = in1(i) Xor in2(i)
Next
End Sub
'/*
' * Bin2ASCII 函数说明：
' * 将64字节的01字符串转换成对应的8个字节
' * 返回：
' * 转换后结果的指针
' * 参数：
' * const BYTE abyte(64) 输入字符串
' * BYTE bit(8) 输出的转换结果
' */
Private Sub Bin2ASCII(abyte() As Byte, bit() As Byte)
Dim i As Integer
For i = 0 To 7
bit(i) = abyte(i * 8) * 128 + abyte(i * 8 + 1) * 64 + _
abyte(i * 8 + 2) * 32 + abyte(i * 8 + 3) * 16 + _
abyte(i * 8 + 4) * 8 + abyte(i * 8 + 5) * 4 + _
abyte(i * 8 + 6) * 2 + abyte(i * 8 + 7)
Next
End Sub
'/*
' * ASCII2Bin 函数说明：
' * 将8个字节输入转换成对应的64字节的01字符串
' * 返回：
' * 转换后结果的指针
' * 参数：
' * const BYTE bit[8] 输入字符串
' * BYTE byte[64] 输出的转换结果
' */
Private Sub ASCII2Bin(bit() As Byte, abyte() As Byte)
Dim i As Integer, j As Integer
For i = 0 To 7
For j = 0 To 7
abyte(i * 8 + j) = (bit(i) \ (2 ^ (7 - j))) And &H1
Next
Next
End Sub
'/*
' * GenSubKey 函数说明：
' * 由输入的密钥得到16个子密钥
' * 返回：
' * 无
' * 参数：
' * const BYTE oldkey[8] 输入密钥
' * BYTE newkey[16][8] 输出的子密钥
' */
Private Sub GenSubKey(oldkey() As Byte, newkey() As Byte)
Dim i As Integer, k As Integer, rol As Integer
Dim s As String
Dim oldkey_byte(63) As Byte ' BYTE oldkey_byte[64];
Dim oldkey_byte1(63) As Byte ' BYTE oldkey_byte1[64];
Dim oldkey_byte2(63) As Byte ' BYTE oldkey_byte2[64];
Dim oldkey_c(55) As Byte ' BYTE oldkey_c[56];
Dim oldkey_d(55) As Byte ' BYTE oldkey_d[56];
Dim newkey_byte(15, 63) As Byte ' BYTE newkey_byte[16][64];
Dim aT
Dim abyte(63) As Byte, bbyte(7) As Byte
rol = 0
ASCII2Bin oldkey(), oldkey_byte()
'//位变换--根据换位表换位压缩成56位密码
'for(i = 0; i < 56; i++)
' oldkey_byte1[i] = oldkey_byte[pc_1[i] - 1];
For i = 0 To 55
oldkey_byte1(i) = oldkey_byte(pc_1(i) - 1)
Next
'//分为左右两部分，复制一遍以便于循环左移
'for(i = 0; i < 28; i++)
' oldkey_c[i] = oldkey_byte1[i], oldkey_c[i + 28] = oldkey_byte1[i],
' oldkey_d[i] = oldkey_byte1[i + 28], oldkey_d[i + 28] = oldkey_byte1[i + 28];
'For i = 0 To 27
' oldkey_c(i) = oldkey_byte1(i)
' oldkey_c(i + 28) = oldkey_byte1(i)
' oldkey_d(i) = oldkey_byte1(i + 28)
' oldkey_d(i + 28) = oldkey_byte1(i + 28)
'Next
CopyMemory oldkey_c(0), oldkey_byte1(0), 28
CopyMemory oldkey_c(28), oldkey_byte1(0), 28
CopyMemory oldkey_d(0), oldkey_byte1(28), 28
CopyMemory oldkey_d(28), oldkey_byte1(28), 28
'//分别生成16个子密钥
'for(i = 0; i < 16; i++)
'{
' //循环左移
' rol += ccmovebit[i];
' //合并左移后的结果
' for(k = 0; k < 28; k++)
' oldkey_byte2[k] = oldkey_c[k + rol], oldkey_byte2[k + 28] = oldkey_d[k + rol];
' //位变换
' for(k = 0; k < 48; k++)
' newkey_byte[i][k] = oldkey_byte2[pc_2[k] - 1];
'}
For i = 0 To 15
'循环左移
rol = rol + ccmovebit(i)
'合并左移后的结果
'For k = 0 To 27
' oldkey_byte2(k) = oldkey_c(k + rol)
' oldkey_byte2(k + 28) = oldkey_d(k + rol)
'Next
CopyMemory oldkey_byte2(0), oldkey_c(rol), 28
CopyMemory oldkey_byte2(28), oldkey_d(rol), 28
'位变换
For k = 0 To 47
newkey_byte(i, k) = oldkey_byte2(pc_2(k) - 1)
Next
Next
'生成最终结果
'for(i = 0; i < 16; i++)
' Bin2ASCII(newkey_byte[i], newkey[i]);
For i = 0 To 15
For k = 0 To 63
abyte(k) = newkey_byte(i, k)
Next
Bin2ASCII abyte(), bbyte()
For k = 0 To 7
newkey(i, k) = bbyte(k)
Next
Next
End Sub
'/*
' * endes1 函数说明：
' * DES加密
' * 返回：
' * 无
' * 参数：
' * const BYTE m_bit[8] 输入的原文
' * const BYTE k_bit[8] 输入的密钥
' * BYTE e_bit[8] 输出的密文
' bFlag=1 加 =2解
' */
Private Sub endes1(m_bit() As Byte, e_bit() As Byte, Optional bUseKeyNo As Byte = 1, Optional bFlag As Byte = 1)
Dim s As String
Dim m_bit1(7) As Byte ' BYTE m_bit1[8] = {0};
Dim m_byte(63) As Byte ' BYTE m_byte[64] = {0};
Dim m_byte1(63) As Byte ' BYTE m_byte1[64] = {0};
'Dim key_n(15, 7) As Byte ' BYTE key_n[16][8] = {0};
Dim l_bit(16, 7) As Byte ' BYTE l_bit[17][8] = {0};
Dim r_bit(16, 7) As Byte ' BYTE r_bit[17][8] = {0};
Dim e_byte(63) As Byte ' BYTE e_byte[64] = {0};
Dim e_byte1(63) As Byte ' BYTE e_byte1[64] = {0};
Dim r_byte(63) As Byte ' BYTE r_byte[64] = {0};
Dim r_byte1(63) As Byte ' BYTE r_byte1[64] = {0};
Dim key_n
Dim l_bit0(7) As Byte, r_bit0(7) As Byte
Dim l_bit1(7) As Byte, r_bit1(7) As Byte
Dim abyte8(7) As Byte
Dim i As Integer, j As Integer, k As Integer
If bUseKeyNo <> 2 Then bUseKeyNo = 1
If bUseKeyNo = 1 Then key_n = key_n1 Else key_n = key_n2
'//根据密钥生成16个子密钥
'GenSubKey k_bit(), key_n()
'//将待加密字串变换成01串
ASCII2Bin m_bit(), m_byte()
'//按照ip表对待加密字串进行位变换
'for(i = 0; i < 64; i++)
' m_byte1[i] = m_byte[ip[i] - 1];
For i = 0 To 63
m_byte1(i) = m_byte(ip(i) - 1)
Next
'位变换后的待加密字串
Bin2ASCII m_byte1(), m_bit1()
'//将位变换后的待加密字串分成两组，分别为前4字节L和后4字节R，作为迭代的基础（第0次迭代）
'for(i = 0; i < 4; i++)
' l_bit[0][i] = m_bit1[i], r_bit[0][i] = m_bit1[i + 4];
For i = 0 To 3
'l_bit(0, i) = m_bit1(i)
'r_bit(0, i) = m_bit1(i + 4)
CopyMemory l_bit0(0), m_bit1(0), 4
CopyMemory r_bit0(0), m_bit1(4), 4
Next
'//16次迭代运算
'for(i = 1; i <= 16; i++)
For i = 1 To 16
'//R的上一次的迭代结果作为L的当前次迭代结果
'for(j = 0; j < 4; j++)
' l_bit[i][j] = r_bit[i-1][j];
'For j = 0 To 3
' l_bit(i, j) = r_bit(i - 1, j)
'Next
CopyMemory l_bit1(0), r_bit0(0), 4
'ASCII2Bin(r_bit[i-1], r_byte);
'For j = 0 To 7
' abyte8(j) = r_bit(i - 1, j)
'Next
CopyMemory abyte8(0), r_bit0(0), 8
ASCII2Bin abyte8(), r_byte()
'//将R的上一次迭代结果按E表进行位扩展得到48位中间结果
'for(j = 0; j < 48; j++)
' r_byte1[j] = r_byte[e[j] - 1];
'Bin2ASCII(r_byte1, r_bit[i-1]);
For j = 0 To 47
r_byte1(j) = r_byte(e(j) - 1)
Next
Bin2ASCII r_byte1(), abyte8()
'For j = 0 To 7
' r_bit(i - 1, j) = abyte8(j)
'Next
CopyMemory r_bit0(0), abyte8(0), 8
'//与第I-1个子密钥进行异或运算
'for(j = 0; j < 6; j++)
' r_bit[i-1][j] = r_bit[i-1][j] ^ key_n[i-1][j];
For j = 0 To 5
If bFlag = 1 Then
'加
'r_bit(i - 1, j) = r_bit(i - 1, j) Xor key_n(i - 1, j)
r_bit0(j) = r_bit0(j) Xor key_n(i - 1, j)
Else
'解
'r_bit(i - 1, j) = r_bit(i - 1, j) Xor key_n((17 - i) - 1, j)
r_bit0(j) = r_bit0(j) Xor key_n((17 - i) - 1, j)
End If
Next
'//进行S选择，得到32位中间结果
'SReplace(r_bit[i - 1]);
'For j = 0 To 7
' abyte8(j) = r_bit(i - 1, j)
'Next
CopyMemory abyte8(0), r_bit0(0), 8
SReplace abyte8()
'For j = 0 To 7
' r_bit(i - 1, j) = abyte8(j)
'Next
CopyMemory r_bit0(0), abyte8(0), 8
'//结果与L的上次迭代结果异或得到R的此次迭代结果
'for(j = 0; j < 4; j++)
'{
' r_bit[i][j] = l_bit[i-1][j] ^ r_bit[i-1][j];
'}
For j = 0 To 3
'r_bit(i, j) = l_bit(i - 1, j) Xor r_bit(i - 1, j)
r_bit1(j) = l_bit0(j) Xor r_bit0(j)
Next
CopyMemory l_bit0(0), l_bit1(0), 8
CopyMemory r_bit0(0), r_bit1(0), 8
Next
'//组合最终迭代结果
'for(i = 0; i < 4; i++)
' e_bit[i] = r_bit[16][i], e_bit[i + 4] = l_bit[16][i];
'For i = 0 To 3
' e_bit(i) = r_bit(16, i)
' e_bit(i + 4) = l_bit(16, i)
'Next
CopyMemory e_bit(0), r_bit1(0), 4
CopyMemory e_bit(4), l_bit1(0), 4
ASCII2Bin e_bit(), e_byte()
'//按照表IP-1进行位变换
'for(i = 0; i < 64; i++)
' e_byte1[i] = e_byte[ip_1[i] - 1];
For i = 0 To 63
e_byte1(i) = e_byte(ip_1(i) - 1)
Next
'//得到最后的加密结果
Bin2ASCII e_byte1(), e_bit()
End Sub
'/*
' * SReplace 函数说明：
' * S选择
' * 返回：
' * 无
' * 参数：
' * BYTE s_bit[8] 输入暨选择后的输出
' */
Private Sub SReplace(s_bit() As Byte)
Dim i As Integer
Dim s_byte(63) As Byte ' BYTE s_byte[64] = {0};
Dim s_byte1(63) As Byte ' BYTE s_byte1[64] = {0};
Dim row As Byte, col As Byte
Dim s_out_bit(7) As Byte 'BYTE s_out_bit[8] = {0};
row = 0: col = 0
'//转成二进制字符串处理
ASCII2Bin s_bit(), s_byte()
'for(int i = 0; i < 8; i++)
'{
' //0、5位为row，1、2、3、4位为col，在S表中选择一个八位的数
' row = s_byte[i * 6] * 2 + s_byte[i * 6 + 5];
' col = s_byte[i * 6 + 1] * 8 + s_byte[i * 6 + 2] * 4 + s_byte[i * 6 + 3] * 2 + s_byte[i * 6 + 4];
' s_out_bit[i] = s[i][row][col];
'}
For i = 0 To 7
'0、5位为row，1、2、3、4位为col，在S表中选择一个八位的数
row = s_byte(i * 6) * 2 + s_byte(i * 6 + 5)
col = s_byte(i * 6 + 1) * 8 + s_byte(i * 6 + 2) * 4 + s_byte(i * 6 + 3) * 2 + s_byte(i * 6 + 4)
s_out_bit(i) = ss(i, row, col)
Next
'//将八个选择的八位数据压缩表示
's_out_bit[0] = (s_out_bit[0] << 4) + s_out_bit[1];
's_out_bit[1] = (s_out_bit[2] << 4) + s_out_bit[3];
's_out_bit[2] = (s_out_bit[4] << 4) + s_out_bit[5];
's_out_bit[3] = (s_out_bit[6] << 4) + s_out_bit[7];
s_out_bit(0) = s_out_bit(0) * (2 ^ 4) + s_out_bit(1)
s_out_bit(1) = s_out_bit(2) * (2 ^ 4) + s_out_bit(3)
s_out_bit(2) = s_out_bit(4) * (2 ^ 4) + s_out_bit(5)
s_out_bit(3) = s_out_bit(6) * (2 ^ 4) + s_out_bit(7)
'//转成二进制字符串处理
ASCII2Bin s_out_bit(), s_byte()
'//换位
'for(i = 0; i < 32; i++)
' s_byte1[i] = s_byte[p[i] - 1];
For i = 0 To 31
s_byte1(i) = s_byte(p(i) - 1)
Next
'//生成最后结果
Bin2ASCII s_byte1(), s_bit()
End Sub
Private Sub Class_Initialize()
Dim i As Integer, j As Integer, k As Integer, L As Integer
Dim aT, s As String
'//换位表IP
s = "58,50,42,34,26,18,10,2," & _
"60,52,44,36,28,20,12,4," & _
"62,54,46,38,30,22,14,6," & _
"64,56,48,40,32,24,16,8," & _
"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"
aT = Split(s, ",")
For i = 0 To 63: ip(i) = Val(aT(i)): Next
'//换位表IP_1
s = "40,8,48,16,56,24,64,32," & _
"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"
aT = Split(s, ",")
For i = 0 To 63: ip_1(i) = Val(aT(i)): Next
'//放大换位表
s = "32,1, 2, 3, 4, 5," & _
"4, 5, 6, 7, 8, 9," & _
"8, 9, 10,11,12,13," & _
"12,13,14,15,16,17," & _
"16,17,18,19,20,21," & _
"20,21,22,23,24,25," & _
"24,25,26,27,28,29," & _
"28,29,30,31,32,1"
aT = Split(s, ",")
For i = 0 To 47: e(i) = Val(aT(i)): Next
'缩小换位表1
s = "57,49,41,33,25,17,9," & _
"1,58,50,42,34,26,18," & _
"10,2,59,51,43,35,27," & _
"19,11,3,60,52,44,36," & _
"63,55,47,39,31,23,15," & _
"7,62,54,46,38,30,22," & _
"14,6,61,53,45,37,29," & _
"21,13,5,28,20,12,4"
aT = Split(s, ",")
For i = 0 To 55: pc_1(i) = Val(aT(i)): Next
'//缩小换位表2
s = "14,17,11,24,1,5," & _
"3,28,15,6,21,10," & _
"23,19,12,4,26,8," & _
"16,7,27,20,13,2," & _
"41,52,31,37,47,55," & _
"30,40,51,45,33,48," & _
"44,49,39,56,34,53," & _
"46,42,50,36,29,32"
aT = Split(s, ",")
For i = 0 To 47: pc_2(i) = Val(aT(i)): Next
'//16次循环左移对应的左移位数
s = "1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1"
aT = Split(s, ",")
For i = 0 To 15: ccmovebit(i) = Val(aT(i)): Next
s = "16,7,20,21," & _
"29,12,28,17," & _
"1,15,23,26," & _
"5,18,31,10," & _
"2,8,24,14," & _
"32,27,3,9," & _
"19,13,30,6," & _
"22,11,4,25"
aT = Split(s, ",")
For i = 0 To 31
p(i) = Val(aT(i))
Next
s = "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," & _
"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," & _
"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," & _
"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,"
s = s & _
"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," & _
"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," & _
"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," & _
"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"
aT = Split(s, ",")
L = 0
For i = 0 To 7
For j = 0 To 3
For k = 0 To 15
ss(i, j, k) = Val(aT(L))
L = L + 1
Next
Next
Next
End Sub

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