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md5digest format [message #10279]

Fri, 29 June 2007 11:45

atmks
Messages: 33
Registered: July 2006

Member

hi

how do i convert result of MD5Digest("blabla") to human readable format(32 byte long string)?

thx

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Re: md5digest format [message #10280 is a reply to message #10279]

Fri, 29 June 2007 11:57

mirek
Messages: 13975
Registered: November 2005

Ultimate Member

Well, not that I like that Tom's interface too much...

Anyway, what you get is MD5 as 16 binary bytes stored in String.

What you need to do is to convert them one by one to hex to get the result.

E.g. (not quite optimal speedwise):

String x = MD5Digets(...);
String r;
for(int i = 0; i < x.GetCount(); i++)
  r << FormatIntHex(x[i], 2);

should work.

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Re: md5digest format [message #10281 is a reply to message #10280]

Fri, 29 June 2007 12:27

atmks
Messages: 33
Registered: July 2006

Member

thx for the fast answer, but the code doesn't work,

program does create very long string, aprox 70-80 char

	String x = MD5Digest("alajos");
	String r;
	for(int i = 0; i < x.GetCount(); i++) {
		r << FormatIntHex(x[i], 2);
	}
	
	Cout() << r << '\n';

result:

4c681e2952ffffff88ffffffbfffffffde2058360bffffffb2ffffffddffffffe6ffffffbb

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Re: md5digest format [message #10282 is a reply to message #10279]

Fri, 29 June 2007 12:45

atmks
Messages: 33
Registered: July 2006

Member

this code does work, but very ugly Smile

	String x = MD5Digest("alajos");
	String r;
	for(int i = 0; i < x.GetCount(); i++) {
		int a = 0;
		char * ptr = (char*)&a;
		*ptr = x[i];
		r << FormatIntHex(a, 2);
	}
	
	Cout() << r << '\n';

[Updated on: Fri, 29 June 2007 12:48]

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Re: md5digest format [message #10283 is a reply to message #10282]

Fri, 29 June 2007 16:13

mirek
Messages: 13975
Registered: November 2005

Ultimate Member

Sorry:

	String x = MD5Digest("alajos");
	String r;
	for(int i = 0; i < x.GetCount(); i++)
		r << FormatIntHex((byte)x[i], 2);

(need to cast to (byte), otherwise char converts to negative integers...)

Mirek

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Re: md5digest format [message #10310 is a reply to message #10283]

Sun, 01 July 2007 20:08

atmks
Messages: 33
Registered: July 2006

Member

thx

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