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Re: Encrypted storage with streaming (OpenSSL, AES) [message #25772 is a reply to message #25770]

Thu, 11 March 2010 10:29

kohait00 is currently offline

kohait00
Messages: 939
Registered: July 2009
Location: Germany

Experienced Contributor

i dont know if i remember it correctly, but there are several technices combined to achieve encryption of data trggered by a user password.

1) the en/de cryption is done using a *fast* (symetrical) algorithm, like AES (they are blockorientated and relatively similar, only differ in their block functions (F functions, or Feistel Function)

2) the key used there, is the key we were speaking about, and is encrypted and stored with the data. as encryption can be used slow but really strong asymetrical (public / private key) algorithms like RSA.

3) the password thing comes into play with things like diffie hellman secure exchage of information with having it travel over the net.

but its quite a while now, and i may mix it up with things like vpn tunneling and handshaking and so on..

but in any way: encrypting decrypting to fit current standards is far from beeing trivial and involves a lot of steps, password is only a small part of it, maybe we should stick to common technologie here (means in openssl)

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[Message index]

		Encrypted storage with streaming (OpenSSL, AES) By: Mindtraveller on Wed, 16 September 2009 22:17
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Thu, 17 September 2009 09:34
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Weras on Thu, 17 September 2009 19:57
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Thu, 17 September 2009 22:55
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Mindtraveller on Fri, 18 September 2009 11:20
		Re: Encrypted storage with streaming (OpenSSL, AES) By: tojocky on Fri, 18 September 2009 12:28
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Fri, 18 September 2009 13:23
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Mindtraveller on Fri, 18 September 2009 14:01
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Fri, 18 September 2009 23:01
		Re: Encrypted storage with streaming (OpenSSL, AES) By: kasome on Wed, 23 September 2009 03:29
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Sat, 20 February 2010 17:08
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Mindtraveller on Sat, 20 February 2010 23:19
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Sun, 21 February 2010 08:07
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Sun, 21 February 2010 10:38
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Mindtraveller on Sun, 21 February 2010 12:01
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Sun, 21 February 2010 15:40
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Sun, 21 February 2010 16:01
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Sun, 21 February 2010 19:25
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Mindtraveller on Mon, 22 February 2010 00:48
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Mon, 22 February 2010 07:54
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Mindtraveller on Mon, 22 February 2010 08:31
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Mon, 22 February 2010 08:50
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Mon, 22 February 2010 11:55
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Mindtraveller on Mon, 22 February 2010 12:24
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Mon, 22 February 2010 12:46
		Re: Encrypted storage with streaming (OpenSSL, AES) By: tojocky on Mon, 22 February 2010 15:19
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Mon, 22 February 2010 16:46
		Building with MSC9 By: kohait00 on Wed, 03 March 2010 23:17
		Re: Building with MSC9 By: koldo on Sat, 06 March 2010 01:49
		Re: Building with MSC9 By: kohait00 on Sun, 07 March 2010 11:24
		Re: Building with MSC9 By: koldo on Sun, 07 March 2010 13:47
		Re: Building with MSC9 By: kohait00 on Sun, 07 March 2010 16:08
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Wed, 10 March 2010 17:09
		Re: Encrypted storage with streaming (OpenSSL, AES) By: kohait00 on Wed, 10 March 2010 20:54
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Wed, 10 March 2010 21:33
		Re: Encrypted storage with streaming (OpenSSL, AES) By: kohait00 on Wed, 10 March 2010 22:36
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Thu, 11 March 2010 09:12
		Re: Encrypted storage with streaming (OpenSSL, AES) By: kohait00 on Thu, 11 March 2010 10:29
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Mindtraveller on Thu, 11 March 2010 10:53
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Thu, 11 March 2010 11:01
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Mindtraveller on Fri, 12 March 2010 21:41
		Re: Encrypted storage with streaming (OpenSSL, AES) By: koldo on Sun, 14 March 2010 15:27
		bazaar: DeEncrypter By: kohait00 on Thu, 05 August 2010 21:09
		Re: bazaar: DeEncrypter By: Mindtraveller on Sat, 07 August 2010 07:14
		Re: bazaar: DeEncrypter By: kohait00 on Sun, 08 August 2010 11:05
		Re: bazaar: DeEncrypter By: Mindtraveller on Tue, 10 August 2010 15:33
		Re: bazaar: DeEncrypter By: kohait00 on Tue, 10 August 2010 15:46
		Re: bazaar: DeEncrypter By: Mindtraveller on Tue, 10 August 2010 21:14
		Re: bazaar: DeEncrypter By: kohait00 on Tue, 10 August 2010 21:42
		Re: bazaar: DeEncrypter By: Mindtraveller on Wed, 11 August 2010 09:43
		Re: bazaar: DeEncrypter By: koldo on Wed, 11 August 2010 15:29
		Re: bazaar: DeEncrypter By: Mindtraveller on Thu, 12 August 2010 10:22
		Re: bazaar: DeEncrypter By: koldo on Thu, 12 August 2010 13:54
		Re: bazaar: DeEncrypter By: kohait00 on Tue, 17 August 2010 15:58
		Re: bazaar: DeEncrypter By: koldo on Fri, 25 February 2011 18:52
		Re: bazaar: DeEncrypter By: Mindtraveller on Thu, 21 April 2011 14:28
		Re: Encrypted storage with streaming (OpenSSL, AES) By: Alboni on Fri, 23 August 2013 01:59

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