U++ framework: U++ Core » [SOLVED] SHA1/MD5 encrypt example

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[SOLVED] SHA1/MD5 encrypt example [message #21764]

Thu, 04 June 2009 15:33

qwerty
Messages: 130
Registered: May 2006

Experienced Member

Hello,

please, how can I encrypt/decrypt some string using SHA1 or make a MD5 of chunk of some data?

thank you...

[Updated on: Fri, 05 June 2009 19:04]

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Re: SHA1/MD5 encrypt example [message #21774 is a reply to message #21764]

Thu, 04 June 2009 19:53

mirek
Messages: 14290
Registered: November 2005

Ultimate Member

Neither SHA1 or MD5 is crypting - both are hashes.

To obtain these hashes is simple. Say you have n bytes starting at ptr:

Cout() << SHA1String(ptr, n);

prints its has in hex form. SHA1StringS variant adds '-' into string.

If you are interested in hash bytes only, use SHA1 (and provide 20 bytes buffer to store the result).

If you want to process e.g. some very big file that you do not want to store into memory, use Sha1Stream - send all bytes to it, then retrieve result with one of

	void   Finish(byte *hash20);
	String FinishString();
	String FinishStringS();

Mirek

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[SOLVED] Re: SHA1/MD5 encrypt example [message #21795 is a reply to message #21774]

Fri, 05 June 2009 10:28

qwerty
Messages: 130
Registered: May 2006

Experienced Member

oh... thank you!

[Updated on: Fri, 05 June 2009 19:03]

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