16,748
社区成员
发帖
与我相关
我的任务
分享请发表友善的回复…
发表回复
postren 2006-05-31
- 打赏
- 举报
des_ecb_crypt (@des, @temp1, @temp3, 1);
CopyMemory(@key, @temp3, 8);
CopyMemory(@input, @temp1, 8);
end;
if not (memcmp (temp3, aresult, 8)) then
Result := 'DES maintenance test failed.'
else
Result := 'DES ok';
end;
function selftest3(): string;
const
input3: array [0..7] of Byte = ($fe, $dc, $ba, $98, $76, $54, $32, $10);
key1: array [0..7] of Byte = ($12, $34, $56, $78, $9a, $bc, $de, $f0);
key2: array [0..7] of Byte = ($11, $22, $33, $44, $ff, $aa, $cc, $dd);
result3: array [0..7] of Byte = ($7b, $38, $3b, $23, $a2, $7d, $26, $d3);
var
des3: _tripledes_ctx;
I: Integer;
begin
for I := 0 to 15 do
begin
tripledes_set2keys (@des3, @key1, @key2);
tripledes_ecb_crypt (@des3, @input3, @key1, 0);
tripledes_ecb_crypt (@des3, @input3, @key2, 1);
tripledes_set3keys (@des3, @key1, @input3, @key2);
tripledes_ecb_crypt (@des3, @input3, @input3, 0);
end;
if not (memcmp (input3, result3, 8)) then
Result := 'TRIPLE-DES test failed.'
else
Result := 'TRIPLE-DES ok';
end;
end.
------------
//测试
procedure TForm1.Button1Click(Sender: TObject);
begin
ShowMessage(selftest());
ShowMessage(selftest3());
end;
CopyMemory(@key, @temp3, 8);
CopyMemory(@input, @temp1, 8);
end;
if not (memcmp (temp3, aresult, 8)) then
Result := 'DES maintenance test failed.'
else
Result := 'DES ok';
end;
function selftest3(): string;
const
input3: array [0..7] of Byte = ($fe, $dc, $ba, $98, $76, $54, $32, $10);
key1: array [0..7] of Byte = ($12, $34, $56, $78, $9a, $bc, $de, $f0);
key2: array [0..7] of Byte = ($11, $22, $33, $44, $ff, $aa, $cc, $dd);
result3: array [0..7] of Byte = ($7b, $38, $3b, $23, $a2, $7d, $26, $d3);
var
des3: _tripledes_ctx;
I: Integer;
begin
for I := 0 to 15 do
begin
tripledes_set2keys (@des3, @key1, @key2);
tripledes_ecb_crypt (@des3, @input3, @key1, 0);
tripledes_ecb_crypt (@des3, @input3, @key2, 1);
tripledes_set3keys (@des3, @key1, @input3, @key2);
tripledes_ecb_crypt (@des3, @input3, @input3, 0);
end;
if not (memcmp (input3, result3, 8)) then
Result := 'TRIPLE-DES test failed.'
else
Result := 'TRIPLE-DES ok';
end;
end.
------------
//测试
procedure TForm1.Button1Click(Sender: TObject);
begin
ShowMessage(selftest());
ShowMessage(selftest3());
end;
postren 2006-05-31
- 打赏
- 举报
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
FINAL_PERMUTATION (right, work, left);
WRITE_64BIT_DATA (PChar(_to), right, left);
Result := 0;
end;
function tripledes_set2keys(ctx: P_tripledes_ctx; key1, key2: PByte): Integer;
var
I: Integer;
begin
des_key_schedule (key1, @ctx.encrypt_subkeys);
des_key_schedule (key2, @(ctx.decrypt_subkeys[32]));
I := 0;
while (i < 32) do
begin
ctx.decrypt_subkeys[i] := ctx.encrypt_subkeys[30-i];
ctx.decrypt_subkeys[i+1] := ctx.encrypt_subkeys[31-i];
ctx.encrypt_subkeys[i+32] := ctx.decrypt_subkeys[62-i];
ctx.encrypt_subkeys[i+33] := ctx.decrypt_subkeys[63-i];
ctx.encrypt_subkeys[i+64] := ctx.encrypt_subkeys[i];
ctx.encrypt_subkeys[i+65] := ctx.encrypt_subkeys[i+1];
ctx.decrypt_subkeys[i+64] := ctx.decrypt_subkeys[i];
ctx.decrypt_subkeys[i+65] := ctx.decrypt_subkeys[i+1];
Inc(i, 2);
end;
Result := 0;
end;
function tripledes_set3keys(ctx: P_tripledes_ctx; key1, key2, key3: PByte): Integer;
var
I: Integer;
begin
des_key_schedule (key1, @ctx.encrypt_subkeys);
des_key_schedule (key2, @(ctx.decrypt_subkeys[32]));
des_key_schedule (key3, @(ctx.encrypt_subkeys[64]));
I := 0;
while (i < 32) do
begin
ctx.decrypt_subkeys[i] := ctx.encrypt_subkeys[94-i];
ctx.decrypt_subkeys[i+1] := ctx.encrypt_subkeys[95-i];
ctx.encrypt_subkeys[i+32] := ctx.decrypt_subkeys[62-i];
ctx.encrypt_subkeys[i+33] := ctx.decrypt_subkeys[63-i];
ctx.decrypt_subkeys[i+64] := ctx.encrypt_subkeys[30-i];
ctx.decrypt_subkeys[i+65] := ctx.encrypt_subkeys[31-i];
Inc(i, 2);
end;
Result := 0;
end;
procedure tripledes_ecb_crypt(ctx: P_tripledes_ctx; const _from: PByte; _to: PByte; mode: Integer);
var
left, right, work: DWORD;
keys: PDWORD;
data: PChar;
begin
if mode <> 0 then keys := @ctx.decrypt_subkeys
else keys := @ctx.encrypt_subkeys;
data := PChar(_from);
READ_64BIT_DATA (data, left, right);
INITIAL_PERMUTATION (left, work, right);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
FINAL_PERMUTATION (right, work, left);
WRITE_64BIT_DATA (PChar(_to), right, left);
end;
function is_weak_key(const key: PByte): Integer;
var
I, left, right, middle, cmp_result: Integer;
work: array [0..7] of Byte;
_key: PChar;
begin
_key := PChar(key);
for i := 0 to 7 do work[i] := Byte(_key[i]) and $fe;
left := 0; right := 63;
while(left <= right) do
begin
middle := (left + right) div 2;
cmp_result := working_memcmp(PChar(@work[0]), PChar(@weak_keys[middle]), 8);
if (cmp_result <> 0) then
begin
Result := -1;
Exit;
end;
if (cmp_result > 0) then left := middle + 1
else right := middle - 1;
end;
Result := 0;
end;
function memcmp(const a, b; n: Integer): Boolean;
var
_a, _b: PChar;
I: Integer;
begin
Result := False;
_a := @a; _b := @b;
for I := 0 to n do
begin
if (_a^ <> _b^) then
begin
Result := False;
Exit;
end else Result := True;
end;
end;
procedure DO_PERMUTATION(var a, temp, b: DWORD; const offset, mask: DWORD);
begin
temp := ((a shr offset) xor b) and mask;
b := temp xor b;
a := (temp shl offset) xor a;
end;
procedure INITIAL_PERMUTATION(var left, temp, right: DWORD);
begin
DO_PERMUTATION(left, temp, right, 4, $0f0f0f0f);
DO_PERMUTATION(left, temp, right, 16, $0000ffff);
DO_PERMUTATION(right, temp, left, 2, $33333333);
DO_PERMUTATION(right, temp, left, 8, $00ff00ff);
DO_PERMUTATION(left, temp, right, 1, $55555555);
end;
procedure FINAL_PERMUTATION(var left, temp, right: DWORD);
begin
DO_PERMUTATION(left, temp, right, 1, $55555555);
DO_PERMUTATION(right, temp, left, 8, $00ff00ff);
DO_PERMUTATION(right, temp, left, 2, $33333333);
DO_PERMUTATION(left, temp, right, 16, $0000ffff);
DO_PERMUTATION(left, temp, right, 4, $0f0f0f0f);
end;
procedure DES_ROUND(var _from, _to, work: DWORD; var subkey: PDWORD);
begin
work := ((_from shl 1) or (_from shr 31)) xor subkey^; Inc(subkey);
_to := _to xor (sbox8[work and $3f]);
_to := _to xor (sbox6[(work shr 8) and $3f]);
_to := _to xor (sbox4[(work shr 16) and $3f]);
_to := _to xor (sbox2[(work shr 24) and $3f]);
work := ((_from shr 3) or (_from shl 29)) xor subkey^; Inc(subkey);
_to := _to xor (sbox7[work and $3f]);
_to := _to xor (sbox5[(work shr 8) and $3f]);
_to := _to xor (sbox3[(work shr 16) and $3f]);
_to := _to xor (sbox1[(work shr 24) and $3f]);
end;
procedure READ_64BIT_DATA(var data: PChar; var left, right: DWORD);
begin
left := (DWORD(Byte(data[0]) shl 24)) or (DWORD(Byte(data[1]) shl 16))
or (DWORD(Byte(data[2]) shl 8) or (DWORD(Byte(data[3]))));
right := (DWORD(Byte(data[4]) shl 24)) or (DWORD(Byte(data[5]) shl 16))
or (DWORD(Byte(data[6]) shl 8) or (DWORD(Byte(data[7]))));
end;
procedure WRITE_64BIT_DATA(var data: PChar; left, right: DWORD);
begin
data[0] := Char((left shr 24) and $ff);
data[1] := Char((left shr 16) and $ff);
data[2] := Char((left shr 8) and $ff);
data[3] := Char(left and $ff);
data[4] := Char((right shr 24) and $ff);
data[5] := Char((right shr 16) and $ff);
data[6] := Char((right shr 8) and $ff);
data[7] := Char(right and $ff);
end;
function selftest(): string;
const
key: array [0..7] of Byte = ($55, $55, $55,$55, $55, $55, $55, $55);
input: array [0..7] of Byte = ($FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF);
aresult: array [0..7] of Byte = ($24, $6e, $9d, $b9, $c5, $50, $38, $1a);
var
I: Integer;
temp1, temp2, temp3: array [0..7] of Byte;
des: _des_ctx;
begin
for I := 0 to 63 do
begin
des_setkey (@des, @key);
des_ecb_crypt (@des, @input, @temp1, 0);
des_ecb_crypt (@des, @temp1, @temp2, 0);
des_setkey (@des, @temp2);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
FINAL_PERMUTATION (right, work, left);
WRITE_64BIT_DATA (PChar(_to), right, left);
Result := 0;
end;
function tripledes_set2keys(ctx: P_tripledes_ctx; key1, key2: PByte): Integer;
var
I: Integer;
begin
des_key_schedule (key1, @ctx.encrypt_subkeys);
des_key_schedule (key2, @(ctx.decrypt_subkeys[32]));
I := 0;
while (i < 32) do
begin
ctx.decrypt_subkeys[i] := ctx.encrypt_subkeys[30-i];
ctx.decrypt_subkeys[i+1] := ctx.encrypt_subkeys[31-i];
ctx.encrypt_subkeys[i+32] := ctx.decrypt_subkeys[62-i];
ctx.encrypt_subkeys[i+33] := ctx.decrypt_subkeys[63-i];
ctx.encrypt_subkeys[i+64] := ctx.encrypt_subkeys[i];
ctx.encrypt_subkeys[i+65] := ctx.encrypt_subkeys[i+1];
ctx.decrypt_subkeys[i+64] := ctx.decrypt_subkeys[i];
ctx.decrypt_subkeys[i+65] := ctx.decrypt_subkeys[i+1];
Inc(i, 2);
end;
Result := 0;
end;
function tripledes_set3keys(ctx: P_tripledes_ctx; key1, key2, key3: PByte): Integer;
var
I: Integer;
begin
des_key_schedule (key1, @ctx.encrypt_subkeys);
des_key_schedule (key2, @(ctx.decrypt_subkeys[32]));
des_key_schedule (key3, @(ctx.encrypt_subkeys[64]));
I := 0;
while (i < 32) do
begin
ctx.decrypt_subkeys[i] := ctx.encrypt_subkeys[94-i];
ctx.decrypt_subkeys[i+1] := ctx.encrypt_subkeys[95-i];
ctx.encrypt_subkeys[i+32] := ctx.decrypt_subkeys[62-i];
ctx.encrypt_subkeys[i+33] := ctx.decrypt_subkeys[63-i];
ctx.decrypt_subkeys[i+64] := ctx.encrypt_subkeys[30-i];
ctx.decrypt_subkeys[i+65] := ctx.encrypt_subkeys[31-i];
Inc(i, 2);
end;
Result := 0;
end;
procedure tripledes_ecb_crypt(ctx: P_tripledes_ctx; const _from: PByte; _to: PByte; mode: Integer);
var
left, right, work: DWORD;
keys: PDWORD;
data: PChar;
begin
if mode <> 0 then keys := @ctx.decrypt_subkeys
else keys := @ctx.encrypt_subkeys;
data := PChar(_from);
READ_64BIT_DATA (data, left, right);
INITIAL_PERMUTATION (left, work, right);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(left, right, work, keys); DES_ROUND(right, left, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
FINAL_PERMUTATION (right, work, left);
WRITE_64BIT_DATA (PChar(_to), right, left);
end;
function is_weak_key(const key: PByte): Integer;
var
I, left, right, middle, cmp_result: Integer;
work: array [0..7] of Byte;
_key: PChar;
begin
_key := PChar(key);
for i := 0 to 7 do work[i] := Byte(_key[i]) and $fe;
left := 0; right := 63;
while(left <= right) do
begin
middle := (left + right) div 2;
cmp_result := working_memcmp(PChar(@work[0]), PChar(@weak_keys[middle]), 8);
if (cmp_result <> 0) then
begin
Result := -1;
Exit;
end;
if (cmp_result > 0) then left := middle + 1
else right := middle - 1;
end;
Result := 0;
end;
function memcmp(const a, b; n: Integer): Boolean;
var
_a, _b: PChar;
I: Integer;
begin
Result := False;
_a := @a; _b := @b;
for I := 0 to n do
begin
if (_a^ <> _b^) then
begin
Result := False;
Exit;
end else Result := True;
end;
end;
procedure DO_PERMUTATION(var a, temp, b: DWORD; const offset, mask: DWORD);
begin
temp := ((a shr offset) xor b) and mask;
b := temp xor b;
a := (temp shl offset) xor a;
end;
procedure INITIAL_PERMUTATION(var left, temp, right: DWORD);
begin
DO_PERMUTATION(left, temp, right, 4, $0f0f0f0f);
DO_PERMUTATION(left, temp, right, 16, $0000ffff);
DO_PERMUTATION(right, temp, left, 2, $33333333);
DO_PERMUTATION(right, temp, left, 8, $00ff00ff);
DO_PERMUTATION(left, temp, right, 1, $55555555);
end;
procedure FINAL_PERMUTATION(var left, temp, right: DWORD);
begin
DO_PERMUTATION(left, temp, right, 1, $55555555);
DO_PERMUTATION(right, temp, left, 8, $00ff00ff);
DO_PERMUTATION(right, temp, left, 2, $33333333);
DO_PERMUTATION(left, temp, right, 16, $0000ffff);
DO_PERMUTATION(left, temp, right, 4, $0f0f0f0f);
end;
procedure DES_ROUND(var _from, _to, work: DWORD; var subkey: PDWORD);
begin
work := ((_from shl 1) or (_from shr 31)) xor subkey^; Inc(subkey);
_to := _to xor (sbox8[work and $3f]);
_to := _to xor (sbox6[(work shr 8) and $3f]);
_to := _to xor (sbox4[(work shr 16) and $3f]);
_to := _to xor (sbox2[(work shr 24) and $3f]);
work := ((_from shr 3) or (_from shl 29)) xor subkey^; Inc(subkey);
_to := _to xor (sbox7[work and $3f]);
_to := _to xor (sbox5[(work shr 8) and $3f]);
_to := _to xor (sbox3[(work shr 16) and $3f]);
_to := _to xor (sbox1[(work shr 24) and $3f]);
end;
procedure READ_64BIT_DATA(var data: PChar; var left, right: DWORD);
begin
left := (DWORD(Byte(data[0]) shl 24)) or (DWORD(Byte(data[1]) shl 16))
or (DWORD(Byte(data[2]) shl 8) or (DWORD(Byte(data[3]))));
right := (DWORD(Byte(data[4]) shl 24)) or (DWORD(Byte(data[5]) shl 16))
or (DWORD(Byte(data[6]) shl 8) or (DWORD(Byte(data[7]))));
end;
procedure WRITE_64BIT_DATA(var data: PChar; left, right: DWORD);
begin
data[0] := Char((left shr 24) and $ff);
data[1] := Char((left shr 16) and $ff);
data[2] := Char((left shr 8) and $ff);
data[3] := Char(left and $ff);
data[4] := Char((right shr 24) and $ff);
data[5] := Char((right shr 16) and $ff);
data[6] := Char((right shr 8) and $ff);
data[7] := Char(right and $ff);
end;
function selftest(): string;
const
key: array [0..7] of Byte = ($55, $55, $55,$55, $55, $55, $55, $55);
input: array [0..7] of Byte = ($FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF);
aresult: array [0..7] of Byte = ($24, $6e, $9d, $b9, $c5, $50, $38, $1a);
var
I: Integer;
temp1, temp2, temp3: array [0..7] of Byte;
des: _des_ctx;
begin
for I := 0 to 63 do
begin
des_setkey (@des, @key);
des_ecb_crypt (@des, @input, @temp1, 0);
des_ecb_crypt (@des, @temp1, @temp2, 0);
des_setkey (@des, @temp2);
postren 2006-05-31
- 打赏
- 举报
($1e, $1e, $1e, $1e, $0e, $0e, $0e, $0e ), ($1e, $1e, $e0, $e0, $0e, $0e, $f0, $f0),
($1e, $1e, $fe, $fe, $0e, $0e, $fe, $fe ), ($1e, $e0, $00, $fe, $0e, $f0, $00, $fe),
($1e, $e0, $1e, $e0, $0e, $f0, $0e, $f0 ), ($1e, $e0, $e0, $1e, $0e, $f0, $f0, $0e),
($1e, $e0, $fe, $00, $0e, $f0, $fe, $00 ), ($1e, $fe, $00, $e0, $0e, $fe, $00, $f0),
($1e, $fe, $1e, $fe, $0e, $fe, $0e, $fe ), ($1e, $fe, $e0, $00, $0e, $fe, $f0, $00),
($1e, $fe, $fe, $1e, $0e, $fe, $fe, $0e ), ($e0, $00, $00, $e0, $f0, $00, $00, $f0),
($e0, $00, $1e, $fe, $f0, $00, $0e, $fe ), ($e0, $00, $e0, $00, $f0, $00, $f0, $00),
($e0, $00, $fe, $1e, $f0, $00, $fe, $0e ), ($e0, $1e, $00, $fe, $f0, $0e, $00, $fe),
($e0, $1e, $1e, $e0, $f0, $0e, $0e, $f0 ), ($e0, $1e, $e0, $1e, $f0, $0e, $f0, $0e),
($e0, $1e, $fe, $00, $f0, $0e, $fe, $00 ), ($e0, $e0, $00, $00, $f0, $f0, $00, $00),
($e0, $e0, $1e, $1e, $f0, $f0, $0e, $0e ), ($e0, $e0, $fe, $fe, $f0, $f0, $fe, $fe),
($e0, $fe, $00, $1e, $f0, $fe, $00, $0e ), ($e0, $fe, $1e, $00, $f0, $fe, $0e, $00),
($e0, $fe, $e0, $fe, $f0, $fe, $f0, $fe ), ($e0, $fe, $fe, $e0, $f0, $fe, $fe, $f0),
($fe, $00, $00, $fe, $fe, $00, $00, $fe ), ($fe, $00, $1e, $e0, $fe, $00, $0e, $f0),
($fe, $00, $e0, $1e, $fe, $00, $f0, $0e ), ($fe, $00, $fe, $00, $fe, $00, $fe, $00),
($fe, $1e, $00, $e0, $fe, $0e, $00, $f0 ), ($fe, $1e, $1e, $fe, $fe, $0e, $0e, $fe),
($fe, $1e, $e0, $00, $fe, $0e, $f0, $00 ), ($fe, $1e, $fe, $1e, $fe, $0e, $fe, $0e),
($fe, $e0, $00, $1e, $fe, $f0, $00, $0e ), ($fe, $e0, $1e, $00, $fe, $f0, $0e, $00),
($fe, $e0, $e0, $fe, $fe, $f0, $f0, $fe ), ($fe, $e0, $fe, $e0, $fe, $f0, $fe, $f0),
($fe, $fe, $00, $00, $fe, $fe, $00, $00 ), ($fe, $fe, $1e, $1e, $fe, $fe, $0e, $0e),
($fe, $fe, $e0, $e0, $fe, $fe, $f0, $f0 ), ($fe, $fe, $fe, $fe, $fe, $fe, $fe, $fe));
var
selftest_failed: PChar;
type
P_tripledes_ctx = ^_tripledes_ctx;
_tripledes_ctx = record
encrypt_subkeys: array [0..95] of DWORD;
decrypt_subkeys: array [0..95] of DWORD;
end;
P_des_ctx = ^_des_ctx;
_des_ctx = record
encrypt_subkeys: array [0..31] of DWORD;
decrypt_subkeys: array [0..31] of DWORD;
end;
function working_memcmp( const a, b: PChar; n: DWORD): Integer;
procedure des_key_schedule(const rawkey: PByte; subkey: PDWORD);
function des_setkey(ctx: P_des_ctx; const key: PByte): Integer;
function des_ecb_crypt(ctx: P_des_ctx; const _from: PByte; _to: PByte; mode: Integer): Integer;
function tripledes_set2keys(ctx: P_tripledes_ctx; key1, key2: PByte): Integer;
function tripledes_set3keys(ctx: P_tripledes_ctx; key1, key2, key3: PByte): Integer;
procedure tripledes_ecb_crypt(ctx: P_tripledes_ctx; const _from: PByte; _to: PByte; mode: Integer);
function is_weak_key(const key: PByte): Integer;
function selftest(): string;
function selftest3(): string;
procedure DO_PERMUTATION(var a, temp, b: DWORD; const offset, mask: DWORD);
procedure INITIAL_PERMUTATION(var left, temp, right: DWORD);
procedure FINAL_PERMUTATION(var left, temp, right: DWORD);
procedure DES_ROUND(var _from, _to, work: DWORD; var subkey: PDWORD);
procedure READ_64BIT_DATA(var data: PChar; var left, right: DWORD);
procedure WRITE_64BIT_DATA(var data: PChar; left, right: DWORD);
implementation
function working_memcmp( const a, b: PChar; n: DWORD): Integer;
var
_a, _b: PChar;
begin
_a := a; _b := b;
repeat
if (_a^ <> _b^) then
begin
Result := Integer(PByte(_a)^) - Integer(PByte(_b)^);
Exit;
end;
Inc(_a); Inc(_b);
until n > 0;
Result := 0;
end;
procedure des_key_schedule(const rawkey: PByte; subkey: PDWORD);
var
left, right, work: DWORD;
round: Integer;
_rawkey: PChar;
begin
_rawkey := PChar(rawkey);
READ_64BIT_DATA (_rawkey, left, right);
DO_PERMUTATION (right, work, left, 4, $0f0f0f0f);
DO_PERMUTATION (right, work, left, 0, $10101010);
left := (leftkey_swap[(left shr 0) and $f] shl 3) or (leftkey_swap[(left shr 8) and $f] shl 2)
or (leftkey_swap[(left shr 16) and $f] shl 1) or (leftkey_swap[(left shr 24) and $f])
or (leftkey_swap[(left shr 5) and $f] shl 7) or (leftkey_swap[(left shr 13) and $f] shl 6)
or (leftkey_swap[(left shr 21) and $f] shl 5) or (leftkey_swap[(left shr 29) and $f] shl 4);
left := left and $0fffffff;
right := (rightkey_swap[(right shr 1) and $f] shl 3) or (rightkey_swap[(right shr 9) and $f] shl 2)
or (rightkey_swap[(right shr 17) and $f] shl 1) or (rightkey_swap[(right shr 25) and $f])
or (rightkey_swap[(right shr 4) and $f] shl 7) or (rightkey_swap[(right shr 12) and $f] shl 6)
or (rightkey_swap[(right shr 20) and $f] shl 5) or (rightkey_swap[(right shr 28) and $f] shl 4);
right := right and $0fffffff;
for round := 0 to 15 do
begin
left := ((left shl encrypt_rotate_tab[round]) or (left shr (28 - encrypt_rotate_tab[round]))) and $0fffffff;
right := ((right shl encrypt_rotate_tab[round]) or (right shr (28 - encrypt_rotate_tab[round]))) and $0fffffff;
subkey^ := ((left shl 4) and $24000000)
or ((left shl 28) and $10000000)
or ((left shl 14) and $08000000)
or ((left shl 18) and $02080000)
or ((left shl 6) and $01000000)
or ((left shl 9) and $00200000)
or ((left shr 1) and $00100000)
or ((left shl 10) and $00040000)
or ((left shl 2) and $00020000)
or ((left shr 10) and $00010000)
or ((right shr 13) and $00002000)
or ((right shr 4) and $00001000)
or ((right shl 6) and $00000800)
or ((right shr 1) and $00000400)
or ((right shr 14) and $00000200)
or (right and $00000100)
or ((right shr 5) and $00000020)
or ((right shr 10) and $00000010)
or ((right shr 3) and $00000008)
or ((right shr 18) and $00000004)
or ((right shr 26) and $00000002)
or ((right shr 24) and $00000001);
Inc(subkey);
subkey^ := ((left shl 15) and $20000000)
or ((left shl 17) and $10000000)
or ((left shl 10) and $08000000)
or ((left shl 22) and $04000000)
or ((left shr 2) and $02000000)
or ((left shl 1) and $01000000)
or ((left shl 16) and $00200000)
or ((left shl 11) and $00100000)
or ((left shl 3) and $00080000)
or ((left shr 6) and $00040000)
or ((left shl 15) and $00020000)
or ((left shr 4) and $00010000)
or ((right shr 2) and $00002000)
or ((right shl 8) and $00001000)
or ((right shr 14) and $00000808)
or ((right shr 9) and $00000400)
or ((right) and $00000200)
or ((right shl 7) and $00000100)
or ((right shr 7) and $00000020)
or ((right shr 3) and $00000011)
or ((right shl 2) and $00000004)
or ((right shr 21) and $00000002);
Inc(subkey);
end;
end;
function des_setkey(ctx: P_des_ctx; const key: PByte): Integer;
var
I: Integer;
begin
if( selftest_failed <> nil) then
begin
Result := -1;
Exit;
end;
des_key_schedule (key, @ctx.encrypt_subkeys);
I := 0;
while (i < 32) do
begin
ctx.decrypt_subkeys[i] := ctx.encrypt_subkeys[30-i];
ctx.decrypt_subkeys[i+1] := ctx.encrypt_subkeys[31-i];
Inc(i, 2);
end;
Result := 0;
end;
function des_ecb_crypt(ctx: P_des_ctx; const _from: PByte; _to: PByte; mode: Integer): Integer;
var
left, right, work: DWORD;
keys: PDWORD;
data: PChar;
begin
if mode <> 0 then keys := @ctx.decrypt_subkeys
else keys := @ctx.encrypt_subkeys;
data := PChar(_from);
READ_64BIT_DATA (data, left, right);
INITIAL_PERMUTATION (left, work, right);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
($1e, $1e, $fe, $fe, $0e, $0e, $fe, $fe ), ($1e, $e0, $00, $fe, $0e, $f0, $00, $fe),
($1e, $e0, $1e, $e0, $0e, $f0, $0e, $f0 ), ($1e, $e0, $e0, $1e, $0e, $f0, $f0, $0e),
($1e, $e0, $fe, $00, $0e, $f0, $fe, $00 ), ($1e, $fe, $00, $e0, $0e, $fe, $00, $f0),
($1e, $fe, $1e, $fe, $0e, $fe, $0e, $fe ), ($1e, $fe, $e0, $00, $0e, $fe, $f0, $00),
($1e, $fe, $fe, $1e, $0e, $fe, $fe, $0e ), ($e0, $00, $00, $e0, $f0, $00, $00, $f0),
($e0, $00, $1e, $fe, $f0, $00, $0e, $fe ), ($e0, $00, $e0, $00, $f0, $00, $f0, $00),
($e0, $00, $fe, $1e, $f0, $00, $fe, $0e ), ($e0, $1e, $00, $fe, $f0, $0e, $00, $fe),
($e0, $1e, $1e, $e0, $f0, $0e, $0e, $f0 ), ($e0, $1e, $e0, $1e, $f0, $0e, $f0, $0e),
($e0, $1e, $fe, $00, $f0, $0e, $fe, $00 ), ($e0, $e0, $00, $00, $f0, $f0, $00, $00),
($e0, $e0, $1e, $1e, $f0, $f0, $0e, $0e ), ($e0, $e0, $fe, $fe, $f0, $f0, $fe, $fe),
($e0, $fe, $00, $1e, $f0, $fe, $00, $0e ), ($e0, $fe, $1e, $00, $f0, $fe, $0e, $00),
($e0, $fe, $e0, $fe, $f0, $fe, $f0, $fe ), ($e0, $fe, $fe, $e0, $f0, $fe, $fe, $f0),
($fe, $00, $00, $fe, $fe, $00, $00, $fe ), ($fe, $00, $1e, $e0, $fe, $00, $0e, $f0),
($fe, $00, $e0, $1e, $fe, $00, $f0, $0e ), ($fe, $00, $fe, $00, $fe, $00, $fe, $00),
($fe, $1e, $00, $e0, $fe, $0e, $00, $f0 ), ($fe, $1e, $1e, $fe, $fe, $0e, $0e, $fe),
($fe, $1e, $e0, $00, $fe, $0e, $f0, $00 ), ($fe, $1e, $fe, $1e, $fe, $0e, $fe, $0e),
($fe, $e0, $00, $1e, $fe, $f0, $00, $0e ), ($fe, $e0, $1e, $00, $fe, $f0, $0e, $00),
($fe, $e0, $e0, $fe, $fe, $f0, $f0, $fe ), ($fe, $e0, $fe, $e0, $fe, $f0, $fe, $f0),
($fe, $fe, $00, $00, $fe, $fe, $00, $00 ), ($fe, $fe, $1e, $1e, $fe, $fe, $0e, $0e),
($fe, $fe, $e0, $e0, $fe, $fe, $f0, $f0 ), ($fe, $fe, $fe, $fe, $fe, $fe, $fe, $fe));
var
selftest_failed: PChar;
type
P_tripledes_ctx = ^_tripledes_ctx;
_tripledes_ctx = record
encrypt_subkeys: array [0..95] of DWORD;
decrypt_subkeys: array [0..95] of DWORD;
end;
P_des_ctx = ^_des_ctx;
_des_ctx = record
encrypt_subkeys: array [0..31] of DWORD;
decrypt_subkeys: array [0..31] of DWORD;
end;
function working_memcmp( const a, b: PChar; n: DWORD): Integer;
procedure des_key_schedule(const rawkey: PByte; subkey: PDWORD);
function des_setkey(ctx: P_des_ctx; const key: PByte): Integer;
function des_ecb_crypt(ctx: P_des_ctx; const _from: PByte; _to: PByte; mode: Integer): Integer;
function tripledes_set2keys(ctx: P_tripledes_ctx; key1, key2: PByte): Integer;
function tripledes_set3keys(ctx: P_tripledes_ctx; key1, key2, key3: PByte): Integer;
procedure tripledes_ecb_crypt(ctx: P_tripledes_ctx; const _from: PByte; _to: PByte; mode: Integer);
function is_weak_key(const key: PByte): Integer;
function selftest(): string;
function selftest3(): string;
procedure DO_PERMUTATION(var a, temp, b: DWORD; const offset, mask: DWORD);
procedure INITIAL_PERMUTATION(var left, temp, right: DWORD);
procedure FINAL_PERMUTATION(var left, temp, right: DWORD);
procedure DES_ROUND(var _from, _to, work: DWORD; var subkey: PDWORD);
procedure READ_64BIT_DATA(var data: PChar; var left, right: DWORD);
procedure WRITE_64BIT_DATA(var data: PChar; left, right: DWORD);
implementation
function working_memcmp( const a, b: PChar; n: DWORD): Integer;
var
_a, _b: PChar;
begin
_a := a; _b := b;
repeat
if (_a^ <> _b^) then
begin
Result := Integer(PByte(_a)^) - Integer(PByte(_b)^);
Exit;
end;
Inc(_a); Inc(_b);
until n > 0;
Result := 0;
end;
procedure des_key_schedule(const rawkey: PByte; subkey: PDWORD);
var
left, right, work: DWORD;
round: Integer;
_rawkey: PChar;
begin
_rawkey := PChar(rawkey);
READ_64BIT_DATA (_rawkey, left, right);
DO_PERMUTATION (right, work, left, 4, $0f0f0f0f);
DO_PERMUTATION (right, work, left, 0, $10101010);
left := (leftkey_swap[(left shr 0) and $f] shl 3) or (leftkey_swap[(left shr 8) and $f] shl 2)
or (leftkey_swap[(left shr 16) and $f] shl 1) or (leftkey_swap[(left shr 24) and $f])
or (leftkey_swap[(left shr 5) and $f] shl 7) or (leftkey_swap[(left shr 13) and $f] shl 6)
or (leftkey_swap[(left shr 21) and $f] shl 5) or (leftkey_swap[(left shr 29) and $f] shl 4);
left := left and $0fffffff;
right := (rightkey_swap[(right shr 1) and $f] shl 3) or (rightkey_swap[(right shr 9) and $f] shl 2)
or (rightkey_swap[(right shr 17) and $f] shl 1) or (rightkey_swap[(right shr 25) and $f])
or (rightkey_swap[(right shr 4) and $f] shl 7) or (rightkey_swap[(right shr 12) and $f] shl 6)
or (rightkey_swap[(right shr 20) and $f] shl 5) or (rightkey_swap[(right shr 28) and $f] shl 4);
right := right and $0fffffff;
for round := 0 to 15 do
begin
left := ((left shl encrypt_rotate_tab[round]) or (left shr (28 - encrypt_rotate_tab[round]))) and $0fffffff;
right := ((right shl encrypt_rotate_tab[round]) or (right shr (28 - encrypt_rotate_tab[round]))) and $0fffffff;
subkey^ := ((left shl 4) and $24000000)
or ((left shl 28) and $10000000)
or ((left shl 14) and $08000000)
or ((left shl 18) and $02080000)
or ((left shl 6) and $01000000)
or ((left shl 9) and $00200000)
or ((left shr 1) and $00100000)
or ((left shl 10) and $00040000)
or ((left shl 2) and $00020000)
or ((left shr 10) and $00010000)
or ((right shr 13) and $00002000)
or ((right shr 4) and $00001000)
or ((right shl 6) and $00000800)
or ((right shr 1) and $00000400)
or ((right shr 14) and $00000200)
or (right and $00000100)
or ((right shr 5) and $00000020)
or ((right shr 10) and $00000010)
or ((right shr 3) and $00000008)
or ((right shr 18) and $00000004)
or ((right shr 26) and $00000002)
or ((right shr 24) and $00000001);
Inc(subkey);
subkey^ := ((left shl 15) and $20000000)
or ((left shl 17) and $10000000)
or ((left shl 10) and $08000000)
or ((left shl 22) and $04000000)
or ((left shr 2) and $02000000)
or ((left shl 1) and $01000000)
or ((left shl 16) and $00200000)
or ((left shl 11) and $00100000)
or ((left shl 3) and $00080000)
or ((left shr 6) and $00040000)
or ((left shl 15) and $00020000)
or ((left shr 4) and $00010000)
or ((right shr 2) and $00002000)
or ((right shl 8) and $00001000)
or ((right shr 14) and $00000808)
or ((right shr 9) and $00000400)
or ((right) and $00000200)
or ((right shl 7) and $00000100)
or ((right shr 7) and $00000020)
or ((right shr 3) and $00000011)
or ((right shl 2) and $00000004)
or ((right shr 21) and $00000002);
Inc(subkey);
end;
end;
function des_setkey(ctx: P_des_ctx; const key: PByte): Integer;
var
I: Integer;
begin
if( selftest_failed <> nil) then
begin
Result := -1;
Exit;
end;
des_key_schedule (key, @ctx.encrypt_subkeys);
I := 0;
while (i < 32) do
begin
ctx.decrypt_subkeys[i] := ctx.encrypt_subkeys[30-i];
ctx.decrypt_subkeys[i+1] := ctx.encrypt_subkeys[31-i];
Inc(i, 2);
end;
Result := 0;
end;
function des_ecb_crypt(ctx: P_des_ctx; const _from: PByte; _to: PByte; mode: Integer): Integer;
var
left, right, work: DWORD;
keys: PDWORD;
data: PChar;
begin
if mode <> 0 then keys := @ctx.decrypt_subkeys
else keys := @ctx.encrypt_subkeys;
data := PChar(_from);
READ_64BIT_DATA (data, left, right);
INITIAL_PERMUTATION (left, work, right);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
DES_ROUND(right, left, work, keys); DES_ROUND(left, right, work, keys);
postren 2006-05-31
- 打赏
- 举报
unit UDES;
interface
uses
Windows;
var
sbox1: array [0..63] of DWORD = (
$00808200, $00000000, $00008000, $00808202, $00808002, $00008202, $00000002, $00008000,
$00000200, $00808200, $00808202, $00000200, $00800202, $00808002, $00800000, $00000002,
$00000202, $00800200, $00800200, $00008200, $00008200, $00808000, $00808000, $00800202,
$00008002, $00800002, $00800002, $00008002, $00000000, $00000202, $00008202, $00800000,
$00008000, $00808202, $00000002, $00808000, $00808200, $00800000, $00800000, $00000200,
$00808002, $00008000, $00008200, $00800002, $00000200, $00000002, $00800202, $00008202,
$00808202, $00008002, $00808000, $00800202, $00800002, $00000202, $00008202, $00808200,
$00000202, $00800200, $00800200, $00000000, $00008002, $00008200, $00000000, $00808002);
sbox2: array [0..63] of DWORD = (
$40084010, $40004000, $00004000, $00084010, $00080000, $00000010, $40080010, $40004010,
$40000010, $40084010, $40084000, $40000000, $40004000, $00080000, $00000010, $40080010,
$00084000, $00080010, $40004010, $00000000, $40000000, $00004000, $00084010, $40080000,
$00080010, $40000010, $00000000, $00084000, $00004010, $40084000, $40080000, $00004010,
$00000000, $00084010, $40080010, $00080000, $40004010, $40080000, $40084000, $00004000,
$40080000, $40004000, $00000010, $40084010, $00084010, $00000010, $00004000, $40000000,
$00004010, $40084000, $00080000, $40000010, $00080010, $40004010, $40000010, $00080010,
$00084000, $00000000, $40004000, $00004010, $40000000, $40080010, $40084010, $00084000);
sbox3: array [0..63] of DWORD = (
$00000104, $04010100, $00000000, $04010004, $04000100, $00000000, $00010104, $04000100,
$00010004, $04000004, $04000004, $00010000, $04010104, $00010004, $04010000, $00000104,
$04000000, $00000004, $04010100, $00000100, $00010100, $04010000, $04010004, $00010104,
$04000104, $00010100, $00010000, $04000104, $00000004, $04010104, $00000100, $04000000,
$04010100, $04000000, $00010004, $00000104, $00010000, $04010100, $04000100, $00000000,
$00000100, $00010004, $04010104, $04000100, $04000004, $00000100, $00000000, $04010004,
$04000104, $00010000, $04000000, $04010104, $00000004, $00010104, $00010100, $04000004,
$04010000, $04000104, $00000104, $04010000, $00010104, $00000004, $04010004, $00010100);
sbox4: array [0..63] of DWORD = (
$80401000, $80001040, $80001040, $00000040, $00401040, $80400040, $80400000, $80001000,
$00000000, $00401000, $00401000, $80401040, $80000040, $00000000, $00400040, $80400000,
$80000000, $00001000, $00400000, $80401000, $00000040, $00400000, $80001000, $00001040,
$80400040, $80000000, $00001040, $00400040, $00001000, $00401040, $80401040, $80000040,
$00400040, $80400000, $00401000, $80401040, $80000040, $00000000, $00000000, $00401000,
$00001040, $00400040, $80400040, $80000000, $80401000, $80001040, $80001040, $00000040,
$80401040, $80000040, $80000000, $00001000, $80400000, $80001000, $00401040, $80400040,
$80001000, $00001040, $00400000, $80401000, $00000040, $00400000, $00001000, $00401040);
sbox5: array [0..63] of DWORD = (
$00000080, $01040080, $01040000, $21000080, $00040000, $00000080, $20000000, $01040000,
$20040080, $00040000, $01000080, $20040080, $21000080, $21040000, $00040080, $20000000,
$01000000, $20040000, $20040000, $00000000, $20000080, $21040080, $21040080, $01000080,
$21040000, $20000080, $00000000, $21000000, $01040080, $01000000, $21000000, $00040080,
$00040000, $21000080, $00000080, $01000000, $20000000, $01040000, $21000080, $20040080,
$01000080, $20000000, $21040000, $01040080, $20040080, $00000080, $01000000, $21040000,
$21040080, $00040080, $21000000, $21040080, $01040000, $00000000, $20040000, $21000000,
$00040080, $01000080, $20000080, $00040000, $00000000, $20040000, $01040080, $20000080);
sbox6: array [0..63] of DWORD = (
$10000008, $10200000, $00002000, $10202008, $10200000, $00000008, $10202008, $00200000,
$10002000, $00202008, $00200000, $10000008, $00200008, $10002000, $10000000, $00002008,
$00000000, $00200008, $10002008, $00002000, $00202000, $10002008, $00000008, $10200008,
$10200008, $00000000, $00202008, $10202000, $00002008, $00202000, $10202000, $10000000,
$10002000, $00000008, $10200008, $00202000, $10202008, $00200000, $00002008, $10000008,
$00200000, $10002000, $10000000, $00002008, $10000008, $10202008, $00202000, $10200000,
$00202008, $10202000, $00000000, $10200008, $00000008, $00002000, $10200000, $00202008,
$00002000, $00200008, $10002008, $00000000, $10202000, $10000000, $00200008, $10002008);
sbox7: array [0..63] of DWORD = (
$00100000, $02100001, $02000401, $00000000, $00000400, $02000401, $00100401, $02100400,
$02100401, $00100000, $00000000, $02000001, $00000001, $02000000, $02100001, $00000401,
$02000400, $00100401, $00100001, $02000400, $02000001, $02100000, $02100400, $00100001,
$02100000, $00000400, $00000401, $02100401, $00100400, $00000001, $02000000, $00100400,
$02000000, $00100400, $00100000, $02000401, $02000401, $02100001, $02100001, $00000001,
$00100001, $02000000, $02000400, $00100000, $02100400, $00000401, $00100401, $02100400,
$00000401, $02000001, $02100401, $02100000, $00100400, $00000000, $00000001, $02100401,
$00000000, $00100401, $02100000, $00000400, $02000001, $02000400, $00000400, $00100001);
sbox8: array [0..63] of DWORD = (
$08000820, $00000800, $00020000, $08020820, $08000000, $08000820, $00000020, $08000000,
$00020020, $08020000, $08020820, $00020800, $08020800, $00020820, $00000800, $00000020,
$08020000, $08000020, $08000800, $00000820, $00020800, $00020020, $08020020, $08020800,
$00000820, $00000000, $00000000, $08020020, $08000020, $08000800, $00020820, $00020000,
$00020820, $00020000, $08020800, $00000800, $00000020, $08020020, $00000800, $00020820,
$08000800, $00000020, $08000020, $08020000, $08020020, $08000000, $00020000, $08000820,
$00000000, $08020820, $00020020, $08000020, $08020000, $08000800, $08000820, $00000000,
$08020820, $00020800, $00020800, $00000820, $00000820, $00020020, $08000000, $08020800);
leftkey_swap: array [0..15] of DWORD = (
$00000000, $00000001, $00000100, $00000101, $00010000, $00010001, $00010100, $00010101,
$01000000, $01000001, $01000100, $01000101, $01010000, $01010001, $01010100, $01010101);
rightkey_swap: array [0..15] of DWORD = (
$00000000, $01000000, $00010000, $01010000, $00000100, $01000100, $00010100, $01010100,
$00000001, $01000001, $00010001, $01010001, $00000101, $01000101, $00010101, $01010101);
encrypt_rotate_tab: array [0..15] of Byte = (1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1);
weak_keys: array [0..63, 0..7] of Byte =(
($00, $00, $00, $00, $00, $00, $00, $00 ), ($00, $00, $1e, $1e, $00, $00, $0e, $0e),
($00, $00, $e0, $e0, $00, $00, $f0, $f0 ), ($00, $00, $fe, $fe, $00, $00, $fe, $fe),
($00, $1e, $00, $1e, $00, $0e, $00, $0e ), ($00, $1e, $1e, $00, $00, $0e, $0e, $00),
($00, $1e, $e0, $fe, $00, $0e, $f0, $fe ), ($00, $1e, $fe, $e0, $00, $0e, $fe, $f0),
($00, $e0, $00, $e0, $00, $f0, $00, $f0 ), ($00, $e0, $1e, $fe, $00, $f0, $0e, $fe),
($00, $e0, $e0, $00, $00, $f0, $f0, $00 ), ($00, $e0, $fe, $1e, $00, $f0, $fe, $0e),
($00, $fe, $00, $fe, $00, $fe, $00, $fe ), ($00, $fe, $1e, $e0, $00, $fe, $0e, $f0),
($00, $fe, $e0, $1e, $00, $fe, $f0, $0e ), ($00, $fe, $fe, $00, $00, $fe, $fe, $00),
($0e, $0e, $0e, $0e, $f0, $f0, $f0, $f0 ), ($1e, $00, $00, $1e, $0e, $00, $00, $0e),
($1e, $00, $1e, $00, $0e, $00, $0e, $00 ), ($1e, $00, $e0, $fe, $0e, $00, $f0, $fe),
($1e, $00, $fe, $e0, $0e, $00, $fe, $f0 ), ($1e, $1e, $00, $00, $0e, $0e, $00, $00),
interface
uses
Windows;
var
sbox1: array [0..63] of DWORD = (
$00808200, $00000000, $00008000, $00808202, $00808002, $00008202, $00000002, $00008000,
$00000200, $00808200, $00808202, $00000200, $00800202, $00808002, $00800000, $00000002,
$00000202, $00800200, $00800200, $00008200, $00008200, $00808000, $00808000, $00800202,
$00008002, $00800002, $00800002, $00008002, $00000000, $00000202, $00008202, $00800000,
$00008000, $00808202, $00000002, $00808000, $00808200, $00800000, $00800000, $00000200,
$00808002, $00008000, $00008200, $00800002, $00000200, $00000002, $00800202, $00008202,
$00808202, $00008002, $00808000, $00800202, $00800002, $00000202, $00008202, $00808200,
$00000202, $00800200, $00800200, $00000000, $00008002, $00008200, $00000000, $00808002);
sbox2: array [0..63] of DWORD = (
$40084010, $40004000, $00004000, $00084010, $00080000, $00000010, $40080010, $40004010,
$40000010, $40084010, $40084000, $40000000, $40004000, $00080000, $00000010, $40080010,
$00084000, $00080010, $40004010, $00000000, $40000000, $00004000, $00084010, $40080000,
$00080010, $40000010, $00000000, $00084000, $00004010, $40084000, $40080000, $00004010,
$00000000, $00084010, $40080010, $00080000, $40004010, $40080000, $40084000, $00004000,
$40080000, $40004000, $00000010, $40084010, $00084010, $00000010, $00004000, $40000000,
$00004010, $40084000, $00080000, $40000010, $00080010, $40004010, $40000010, $00080010,
$00084000, $00000000, $40004000, $00004010, $40000000, $40080010, $40084010, $00084000);
sbox3: array [0..63] of DWORD = (
$00000104, $04010100, $00000000, $04010004, $04000100, $00000000, $00010104, $04000100,
$00010004, $04000004, $04000004, $00010000, $04010104, $00010004, $04010000, $00000104,
$04000000, $00000004, $04010100, $00000100, $00010100, $04010000, $04010004, $00010104,
$04000104, $00010100, $00010000, $04000104, $00000004, $04010104, $00000100, $04000000,
$04010100, $04000000, $00010004, $00000104, $00010000, $04010100, $04000100, $00000000,
$00000100, $00010004, $04010104, $04000100, $04000004, $00000100, $00000000, $04010004,
$04000104, $00010000, $04000000, $04010104, $00000004, $00010104, $00010100, $04000004,
$04010000, $04000104, $00000104, $04010000, $00010104, $00000004, $04010004, $00010100);
sbox4: array [0..63] of DWORD = (
$80401000, $80001040, $80001040, $00000040, $00401040, $80400040, $80400000, $80001000,
$00000000, $00401000, $00401000, $80401040, $80000040, $00000000, $00400040, $80400000,
$80000000, $00001000, $00400000, $80401000, $00000040, $00400000, $80001000, $00001040,
$80400040, $80000000, $00001040, $00400040, $00001000, $00401040, $80401040, $80000040,
$00400040, $80400000, $00401000, $80401040, $80000040, $00000000, $00000000, $00401000,
$00001040, $00400040, $80400040, $80000000, $80401000, $80001040, $80001040, $00000040,
$80401040, $80000040, $80000000, $00001000, $80400000, $80001000, $00401040, $80400040,
$80001000, $00001040, $00400000, $80401000, $00000040, $00400000, $00001000, $00401040);
sbox5: array [0..63] of DWORD = (
$00000080, $01040080, $01040000, $21000080, $00040000, $00000080, $20000000, $01040000,
$20040080, $00040000, $01000080, $20040080, $21000080, $21040000, $00040080, $20000000,
$01000000, $20040000, $20040000, $00000000, $20000080, $21040080, $21040080, $01000080,
$21040000, $20000080, $00000000, $21000000, $01040080, $01000000, $21000000, $00040080,
$00040000, $21000080, $00000080, $01000000, $20000000, $01040000, $21000080, $20040080,
$01000080, $20000000, $21040000, $01040080, $20040080, $00000080, $01000000, $21040000,
$21040080, $00040080, $21000000, $21040080, $01040000, $00000000, $20040000, $21000000,
$00040080, $01000080, $20000080, $00040000, $00000000, $20040000, $01040080, $20000080);
sbox6: array [0..63] of DWORD = (
$10000008, $10200000, $00002000, $10202008, $10200000, $00000008, $10202008, $00200000,
$10002000, $00202008, $00200000, $10000008, $00200008, $10002000, $10000000, $00002008,
$00000000, $00200008, $10002008, $00002000, $00202000, $10002008, $00000008, $10200008,
$10200008, $00000000, $00202008, $10202000, $00002008, $00202000, $10202000, $10000000,
$10002000, $00000008, $10200008, $00202000, $10202008, $00200000, $00002008, $10000008,
$00200000, $10002000, $10000000, $00002008, $10000008, $10202008, $00202000, $10200000,
$00202008, $10202000, $00000000, $10200008, $00000008, $00002000, $10200000, $00202008,
$00002000, $00200008, $10002008, $00000000, $10202000, $10000000, $00200008, $10002008);
sbox7: array [0..63] of DWORD = (
$00100000, $02100001, $02000401, $00000000, $00000400, $02000401, $00100401, $02100400,
$02100401, $00100000, $00000000, $02000001, $00000001, $02000000, $02100001, $00000401,
$02000400, $00100401, $00100001, $02000400, $02000001, $02100000, $02100400, $00100001,
$02100000, $00000400, $00000401, $02100401, $00100400, $00000001, $02000000, $00100400,
$02000000, $00100400, $00100000, $02000401, $02000401, $02100001, $02100001, $00000001,
$00100001, $02000000, $02000400, $00100000, $02100400, $00000401, $00100401, $02100400,
$00000401, $02000001, $02100401, $02100000, $00100400, $00000000, $00000001, $02100401,
$00000000, $00100401, $02100000, $00000400, $02000001, $02000400, $00000400, $00100001);
sbox8: array [0..63] of DWORD = (
$08000820, $00000800, $00020000, $08020820, $08000000, $08000820, $00000020, $08000000,
$00020020, $08020000, $08020820, $00020800, $08020800, $00020820, $00000800, $00000020,
$08020000, $08000020, $08000800, $00000820, $00020800, $00020020, $08020020, $08020800,
$00000820, $00000000, $00000000, $08020020, $08000020, $08000800, $00020820, $00020000,
$00020820, $00020000, $08020800, $00000800, $00000020, $08020020, $00000800, $00020820,
$08000800, $00000020, $08000020, $08020000, $08020020, $08000000, $00020000, $08000820,
$00000000, $08020820, $00020020, $08000020, $08020000, $08000800, $08000820, $00000000,
$08020820, $00020800, $00020800, $00000820, $00000820, $00020020, $08000000, $08020800);
leftkey_swap: array [0..15] of DWORD = (
$00000000, $00000001, $00000100, $00000101, $00010000, $00010001, $00010100, $00010101,
$01000000, $01000001, $01000100, $01000101, $01010000, $01010001, $01010100, $01010101);
rightkey_swap: array [0..15] of DWORD = (
$00000000, $01000000, $00010000, $01010000, $00000100, $01000100, $00010100, $01010100,
$00000001, $01000001, $00010001, $01010001, $00000101, $01000101, $00010101, $01010101);
encrypt_rotate_tab: array [0..15] of Byte = (1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1);
weak_keys: array [0..63, 0..7] of Byte =(
($00, $00, $00, $00, $00, $00, $00, $00 ), ($00, $00, $1e, $1e, $00, $00, $0e, $0e),
($00, $00, $e0, $e0, $00, $00, $f0, $f0 ), ($00, $00, $fe, $fe, $00, $00, $fe, $fe),
($00, $1e, $00, $1e, $00, $0e, $00, $0e ), ($00, $1e, $1e, $00, $00, $0e, $0e, $00),
($00, $1e, $e0, $fe, $00, $0e, $f0, $fe ), ($00, $1e, $fe, $e0, $00, $0e, $fe, $f0),
($00, $e0, $00, $e0, $00, $f0, $00, $f0 ), ($00, $e0, $1e, $fe, $00, $f0, $0e, $fe),
($00, $e0, $e0, $00, $00, $f0, $f0, $00 ), ($00, $e0, $fe, $1e, $00, $f0, $fe, $0e),
($00, $fe, $00, $fe, $00, $fe, $00, $fe ), ($00, $fe, $1e, $e0, $00, $fe, $0e, $f0),
($00, $fe, $e0, $1e, $00, $fe, $f0, $0e ), ($00, $fe, $fe, $00, $00, $fe, $fe, $00),
($0e, $0e, $0e, $0e, $f0, $f0, $f0, $f0 ), ($1e, $00, $00, $1e, $0e, $00, $00, $0e),
($1e, $00, $1e, $00, $0e, $00, $0e, $00 ), ($1e, $00, $e0, $fe, $0e, $00, $f0, $fe),
($1e, $00, $fe, $e0, $0e, $00, $fe, $f0 ), ($1e, $1e, $00, $00, $0e, $0e, $00, $00),
postren 2006-05-31
- 打赏
- 举报
呵呵，没研究过Des算法，仅仅是从C代码翻译成了Delphi代码而已
jackie168 2006-05-31
- 打赏
- 举报
准备结贴。。。。，感谢小虫~~~
jackie168 2006-05-31
- 打赏
- 举报
小虫老大，能否留下QQ，和你学习。。。
postren 2006-05-31
- 打赏
- 举报
这样呢？
function DES_EnCrypt(const aStr, acKey: string): string;
var
key, work_temp, temp1, temp2, temp3: array [0..7] of Byte;
work_s, key_s: string;
I, iLen, J: Integer;
des: _des_ctx;
begin
Result := '';
if (aStr = '') or (acKey = '') then Exit;
iLen := Length(aStr);
work_s := aStr;
if (iLen mod 8) <> 0 then
begin
SetLength(work_s, iLen + (8 - iLen mod 8));
FillMemory(@work_s[iLen + 1], 8 - iLen mod 8, 0);
iLen := Length(work_s);
end;
for J := 1 to iLen div 8 do
begin
key_s := Copy(acKey, 1, 8);
CopyMemory(@key, @key_s[1], Length(key_s));
FillMemory(@key[Length(key_s)], 8 - Length(key_s), 0);
CopyMemory(@work_temp, @work_s[J * 8 -7], 8);
for I := 0 to 63 do
begin
des_setkey (@des, @key);
des_ecb_crypt (@des, @work_temp, @temp1, 0);
des_ecb_crypt (@des, @temp1, @temp2, 0);
des_setkey (@des, @temp2);
des_ecb_crypt (@des, @temp1, @temp3, 1);
CopyMemory(@key, @temp3, 8);
CopyMemory(@work_temp, @temp1, 8);
end;
for I := 0 to 7 do
begin
Result := Result + Format('%.2X', [temp3[I]]);// Chr(temp3[I]);
end;
end;
end;
function DES_EnCrypt(const aStr, acKey: string): string;
var
key, work_temp, temp1, temp2, temp3: array [0..7] of Byte;
work_s, key_s: string;
I, iLen, J: Integer;
des: _des_ctx;
begin
Result := '';
if (aStr = '') or (acKey = '') then Exit;
iLen := Length(aStr);
work_s := aStr;
if (iLen mod 8) <> 0 then
begin
SetLength(work_s, iLen + (8 - iLen mod 8));
FillMemory(@work_s[iLen + 1], 8 - iLen mod 8, 0);
iLen := Length(work_s);
end;
for J := 1 to iLen div 8 do
begin
key_s := Copy(acKey, 1, 8);
CopyMemory(@key, @key_s[1], Length(key_s));
FillMemory(@key[Length(key_s)], 8 - Length(key_s), 0);
CopyMemory(@work_temp, @work_s[J * 8 -7], 8);
for I := 0 to 63 do
begin
des_setkey (@des, @key);
des_ecb_crypt (@des, @work_temp, @temp1, 0);
des_ecb_crypt (@des, @temp1, @temp2, 0);
des_setkey (@des, @temp2);
des_ecb_crypt (@des, @temp1, @temp3, 1);
CopyMemory(@key, @temp3, 8);
CopyMemory(@work_temp, @temp1, 8);
end;
for I := 0 to 7 do
begin
Result := Result + Format('%.2X', [temp3[I]]);// Chr(temp3[I]);
end;
end;
end;
jackie168 2006-05-31
- 打赏
- 举报
首先感谢小虫辛勤工作。。。
这个DES和我想像的不一样，我想像中的格式是这样的：
function DES_EnCrypt(aStr: string; acKey: string ): string;
这个DES和我想像的不一样，我想像中的格式是这样的：
function DES_EnCrypt(aStr: string; acKey: string ): string;
postren 2006-05-30
- 打赏
- 举报
没，关注一下
jackie168 2006-05-30
- 打赏
- 举报
是标准DES
Des.h已上传。。。
http://eastrise168.ys168.com/
|
|
other
|
|
des.h
Des.h已上传。。。
http://eastrise168.ys168.com/
|
|
other
|
|
des.h
postren 2006-05-30
- 打赏
- 举报
Des.h怎么没有呢？
postren 2006-05-30
- 打赏
- 举报
发现了，包含3DES与DES
我试试翻译翻译
我试试翻译翻译
postren 2006-05-30
- 打赏
- 举报
发现了，保护3DES与DES
我试试翻译翻译
我试试翻译翻译
postren 2006-05-30
- 打赏
- 举报
jackie 你确定这个是标准DES算法吗？
我怎么发现有tripledes字样在里面，怀疑是3des
如果确定是标准DES的话，我翻译一下
我怎么发现有tripledes字样在里面，怀疑是3des
如果确定是标准DES的话，我翻译一下
jackie168 2006-05-30
- 打赏
- 举报
朋友给了一个C的，俺看不懂，谁能翻成delphi的
太长不能贴在这里，因为上传到我的网络E盘中：
http://eastrise168.ys168.com/
|
|
other
|
|
des.cpp
太长不能贴在这里，因为上传到我的网络E盘中：
http://eastrise168.ys168.com/
|
|
other
|
|
des.cpp
jackie168 2006-05-30
- 打赏
- 举报
postren(小虫) ( ) 信誉：117 2006-05-30 15:03:00 得分: 0
帮顶一下，好像没人关注嘛
==================================
Delphi人气明显下降N多啊。。。。
帮顶一下，好像没人关注嘛
==================================
Delphi人气明显下降N多啊。。。。
飞哥 2006-05-30
- 打赏
- 举报
没。。
postren 2006-05-30
- 打赏
- 举报
帮顶一下，好像没人关注嘛
jackie168 2006-05-30
- 打赏
- 举报
顶啊。。。
