【文件属性】：
文件名称：Delphi DES算法实现
文件大小：168KB
文件格式：RAR
更新时间：2013-11-29 03:18:00
DES,DES算法
DES算法实现
function EncryStr(Str, Key: String): String;
var
StrByte, OutByte, KeyByte: array[0..7] of Byte;
StrResult: String;
I, J: Integer;
begin
if (Length(Str) > 0) and (Ord(Str[Length(Str)]) = 0) then
raise Exception.Create('Error: the last char is NULL char.');
if Length(Key) < 8 then
while Length(Key) < 8 do Key := Key + Chr(0);
while Length(Str) mod 8 <> 0 do Str := Str + Chr(0);
for J := 0 to 7 do KeyByte[J] := Ord(Key[J + 1]);
makeKey(keyByte, subKey);
StrResult := '';
for I := 0 to Length(Str) div 8 - 1 do
begin
for J := 0 to 7 do
StrByte[J] := Ord(Str[I * 8 + J + 1]);
desData(dmEncry, StrByte, OutByte);
for J := 0 to 7 do
StrResult := StrResult + Chr(OutByte[J]);
end;
Result := StrResult;
end;
【文件预览】：
DES算法实现
----Project1.dof(2KB)
----Project1.exe(381KB)
----Unit1.dfm(1KB)
----Project1.cfg(434B)
----des.pas(14KB)
----Project1.dpr(209B)
----Unit1.pas(875B)
----DelTemp.bat(68B)
----Project1.res(876B)