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Re: StreamCypher - A package for stream data cryptography [message #28995 is a reply to message #28987]

Thu, 30 September 2010 22:01

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

Experienced Contributor

I fully support idea of making uniform interface.
We may even have one parent virtual class like CryptoEncoder and make our implementations as it's descendants. This could be useful for flexibility of usage in user code.

Let's discuss interface in detail.

1. Constructors
Snow2() - OK
Snow2(const String &key) - OK
Snow2(byte const *keyBuf, int keyLen) - I believe first parameter should be const byte *keyBuf (in your case you define pointer which points to changeable data but cannot be changed itself).

2. Same for SetKey.
BTW, what do you do if user tries to encrypt with no key set?

3. Agreed with Encode interface with exception as in (1) with change (byte const *) to (const byte *).

4. My encoder works with data of any size. It just internally adds random data for stream to be of 128-bit (not byte!) aligned size.

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[Message index]

		[REPLACED by Cypher package]StreamCypher - A package for stream data cryptography By: mdelfede on Wed, 29 September 2010 19:37
		Re: StreamCypher - A package for stream data cryptography By: Mindtraveller on Thu, 30 September 2010 10:03
		Re: StreamCypher - A package for stream data cryptography By: mdelfede on Thu, 30 September 2010 14:49
		Re: StreamCypher - A package for stream data cryptography By: Mindtraveller on Thu, 30 September 2010 22:01
		Re: StreamCypher - A package for stream data cryptography By: mdelfede on Thu, 30 September 2010 22:45
		Re: StreamCypher - A package for stream data cryptography By: mdelfede on Thu, 30 September 2010 22:49
		Re: StreamCypher - A package for stream data cryptography By: Mindtraveller on Thu, 30 September 2010 23:44
		Re: StreamCypher - A package for stream data cryptography By: mdelfede on Fri, 01 October 2010 00:58
		Re: StreamCypher - A package for stream data cryptography By: Mindtraveller on Sat, 02 October 2010 08:15
		Re: StreamCypher - A package for stream data cryptography By: mdelfede on Sat, 02 October 2010 09:25
		Re: StreamCypher - A package for stream data cryptography By: dolik.rce on Fri, 01 October 2010 17:43
		Re: StreamCypher - A package for stream data cryptography By: mdelfede on Fri, 01 October 2010 17:50
		Re: StreamCypher - A package for stream data cryptography By: dolik.rce on Fri, 01 October 2010 18:31
		Re: [REPLACED by Cypher package]StreamCypher - A package for stream data cryptography By: mrk10000 on Wed, 27 April 2022 06:28
		Re: [REPLACED by Cypher package]StreamCypher - A package for stream data cryptography By: mdelfede on Wed, 04 May 2022 12:42
		Re: [REPLACED by Cypher package]StreamCypher - A package for stream data cryptography By: mrk10000 on Wed, 11 May 2022 03:46

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