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发表于 2014-10-17 12:02:34
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md5加密字符串
- unit ToMd5;
- interface
- uses
- IdHashMessageDigest, IdHash, IdGlobal;
- type
- TMD5 = class(TIdHashMessageDigest5);
- function StrToMD5(S: String): String; overload;
- function StrToMD516(S: String; L: integer): String; overload; //返加16位MD5值
- function StrToMD532(S: String; L: integer): String; overload; //返回32位MD5值
- implementation
- function StrToMD5(S: String): String;
- var
- Md5Encode: TMD5;
- begin
- Md5Encode:= TMD5.Create;
- result:= Md5Encode.AsHex(Md5Encode.HashValue(S));
- Md5Encode.Free;
- end;
- function StrToMD516(S: String; L: integer): String;
- begin
- result:= copy(StrToMD5(S),9,L);
- end;
- function StrToMD532(S: String; L: integer): String; overload;
- begin
- result:= copy(StrToMD5(S),1,L);
- end;
- end.
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