U++ framework: UppHub » Encrypted storage with streaming (OpenSSL, AES)

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Re: bazaar: DeEncrypter [message #27908 is a reply to message #27871]

Tue, 10 August 2010 15:33

Mindtraveller
Messages: 917
Registered: August 2007
Location: Russia, Moscow rgn.

Experienced Contributor

If I'm not mistaken, you load each file into the memory and then encrypt/decrypt it. If it's right, then you do wrong way.

The main idea behind AESStream classes is streaming. This means you don't need to load the file into memory. All you need is to open file and read its contents by small chunks into AESStream class then taking encrypted(decrypted) chunks from it into other file. You don't have to load file into memory. You don't have to handle large String object within your code.

I think the fact you have exception for large files means you should switch to chunks and streaming and refuse loading whole file into memory.

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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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