正在阅读：和md5.asp结果一样的Delphi加密代码和md5.asp结果一样的Delphi加密代码

2004-07-23 10:16 出处：CSDN 作者：ScriptBaby 责任编辑：linjixiong

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procedure md5_II(var a: longword; const b, c, d, x, s, ac: longword);
begin
    a := a + md5_I(b, c, d) + x + ac;
    a := RotateLeft(a, s);
    a := a + b;
end;

begin

{ MD5 }
x := ConvToWord(sMessage);

a := cAA;
b := cBB;
c := cCC;
d := cDD;

k := 0;
repeat
    AA := a;
    BB := b;
    CC := c;
    DD := d;

    md5_FF(a, b, c, d, x[k + 0], S11, $D76AA478);
    md5_FF(d, a, b, c, x[k + 1], S12, $E8C7B756);
    md5_FF(c, d, a, b, x[k + 2], S13, $242070DB);
    md5_FF(b, c, d, a, x[k + 3], S14, $C1BDCEEE);
    md5_FF(a, b, c, d, x[k + 4], S11, $F57C0FAF);
    md5_FF(d, a, b, c, x[k + 5], S12, $4787C62A);
    md5_FF(c, d, a, b, x[k + 6], S13, $A8304613);
    md5_FF(b, c, d, a, x[k + 7], S14, $FD469501);
    md5_FF(a, b, c, d, x[k + 8], S11, $698098D8);
    md5_FF(d, a, b, c, x[k + 9], S12, $8B44F7AF);
    md5_FF(c, d, a, b, x[k + 10], S13, $FFFF5BB1);
    md5_FF(b, c, d, a, x[k + 11], S14, $895CD7BE);
    md5_FF(a, b, c, d, x[k + 12], S11, $6B901122);
    md5_FF(d, a, b, c, x[k + 13], S12, $FD987193);
    md5_FF(c, d, a, b, x[k + 14], S13, $A679438E);
    md5_FF(b, c, d, a, x[k + 15], S14, $49B40821);

    md5_GG(a, b, c, d, x[k + 1], S21, $F61E2562);
    md5_GG(d, a, b, c, x[k + 6], S22, $C040B340);
    md5_GG(c, d, a, b, x[k + 11], S23, $265E5A51);
    md5_GG(b, c, d, a, x[k + 0], S24, $E9B6C7AA);
    md5_GG(a, b, c, d, x[k + 5], S21, $D62F105D);
    md5_GG(d, a, b, c, x[k + 10], S22, $2441453);
    md5_GG(c, d, a, b, x[k + 15], S23, $D8A1E681);
    md5_GG(b, c, d, a, x[k + 4], S24, $E7D3FBC8);
    md5_GG(a, b, c, d, x[k + 9], S21, $21E1CDE6);
    md5_GG(d, a, b, c, x[k + 14], S22, $C33707D6);
    md5_GG(c, d, a, b, x[k + 3], S23, $F4D50D87);
    md5_GG(b, c, d, a, x[k + 8], S24, $455A14ED);
    md5_GG(a, b, c, d, x[k + 13], S21, $A9E3E905);
    md5_GG(d, a, b, c, x[k + 2], S22, $FCEFA3F8);
    md5_GG(c, d, a, b, x[k + 7], S23, $676F02D9);
    md5_GG(b, c, d, a, x[k + 12], S24, $8D2A4C8A);