cipherNames

Peter W A Wood peterwawood at gmail.com
Sun Jan 17 13:34:46 CET 2016


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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