cipherNames

John Dixon dixonja at hotmail.co.uk
Sun Jan 17 11:21:40 EST 2016


Peter...

Thanks :-)

> Subject: Re: cipherNames
> From: peterwawood at gmail.com
> Date: Sun, 17 Jan 2016 20:34:46 +0800
> To: use-livecode at lists.runrev.com
> 
> John 
> 
> > On 17 Jan 2016, at 19:30, John Dixon <dixonja at hotmail.co.uk> wrote:
> > 
> > When asking for the cipher names that are available to liveCode... a long list is produced.. In the case of aes 256 there are many variants as depicted by three letters after 'aes'... What do they mean ?... Is it important to use the correct one ?
> > 
> > example of different cipher names in the list....
> > 
> > aes-128-cbc,128
> > 
> ….
> > 
> > aes256,256
> 
> They are different mechanisms for handling multiple blocks of data. (A block length being determined by the key length.). This may help https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation
> 
> Regards
> 
> Peter
> 
> 
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