U++ forum: Welcome to the forum

Status & Roadmap

Authors & License

Funding Ultimate++

Search on this site

Search in forums

Home » Developing U++ » UppHub » Encrypted storage with streaming (OpenSSL, AES)

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Return to the default flat view

Create a new topic

Submit Reply

Re: Encrypted storage with streaming (OpenSSL, AES) [message #25401 is a reply to message #25399]

Mon, 22 February 2010 07:54

koldo is currently offline

koldo
Messages: 3358
Registered: August 2008

Senior Veteran

Hello Mindtraveller

Quote:

1) Key must be 128/192/256 bits long. User password may have ANY length.
2) Key is very important part of cryptographic strength of overall encryption. Using criptographically weak key (user password in 99,9% of cases is extremely weak) turns all AES encryption into weak and rather breakable system. As well as using cryptographically strong key makes overall AESStream system extremely unbreakable to anyone.

Does it mean that AES cannot be used for saving user files with user defined password ?

However there are programs that include this possibility with AES. For example 7zip offers AES-256 encryption http://www.7-zip.org/7z.html.

Is there a standard way to convert a 8 chars user defined password into an useful 256 AES bits key ?

Best regards
Iñaki

Report message to a moderator

Send a private message to this user

[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

Previous Topic:	Protect packages - split code encryption,client and server
Next Topic:	Added single and double linked lists

Goto Forum:

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

PDF

]

Current Time: Mon Apr 29 10:48:55 CEST 2024

Total time taken to generate the page: 0.03159 seconds