?? computer locker - fancy delphi application contest entry #47.htm
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ALG_CLASS_HASH = (4 <b>SHL</b> 13) ;<br /> ALG_TYPE_ANY = 0;<br /> ALG_SID_MD5 = 3;<br /> CALG_MD5 = (ALG_CLASS_HASH <b>Or</b> ALG_TYPE_ANY <b>Or</b> ALG_SID_MD5) ;<br /><b>var</b><br /> hCryptProvider : ULONG;<br /> hHash : ULONG;<br /> bHash : <b>Array</b>[0..$7F] <b>Of</b> Byte;<br /> dwHashLen : DWORD;<br /> pbContent : PByte;<br /> cnt : Integer;<br /><b>begin</b><br /> dwHashLen := 16;<br /> pbContent := Pointer(PChar(Input)) ;<br /> Result := '';<br /> <b>If</b> CryptAcquireContext(@hCryptProvider,<b>nil</b>,<b>nil</b>,PROV_RSA_FULL,CRYPT_VERIFYCONTEXT Or CRYPT_MACHINE_KEYSET) <b>Then</b><br /> <b>begin</b><br /> <b>If</b> CryptCreateHash(hCryptProvider,CALG_MD5,0,0,@hHash) <b>Then</b><br /> <b>begin</b><br /> <b>If</b> CryptHashData(hHash,pbContent,Length(Input),0) <b>Then</b><br /> <b>begin</b><br /> <b>If</b> CryptGetHashParam(hHash,HP_HASHVAL,@bHash[0],@dwHashLen,0) <b>Then</b><br /> <b>begin</b><br /> <b>For</b> cnt := 0 <b>To</b> dwHashLen - 1 <b>Do</b><br /> <b>begin</b><br /> Result := Result + Format('%.2x',[bHash[cnt]]) ;<br /> <b>end</b>;<br /> <b>end</b>;<br /> <b>end</b>;<br /> CryptDestroyHash(hHash) ;<br /> <b>end</b>;<br /> CryptReleaseContext(hCryptProvider, 0) ;<br /> <b>end</b>;<br /> Result := AnsiLowerCase(Result) ;<br /><b>end</b>;<br /></blockquote><p>"Computer Locker" was submitted by Dagan Hoover.<p>Do you have a FDA(C)? 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