AES-NI, symmetric key generation

Werner Koch wk at
Thu Mar 12 10:56:47 CET 2015

On Wed, 11 Mar 2015 20:39, pete at said:

>> One more question: Is there any standardization in output formats
>> between encryption programs and libraries, for example say you encrypt
>> with AES128 in CBC, with the same key (directly or via passphrase), and
>> since the output will have to have, in addition to the actual
>> ciphertext, algorithm indentification on it, possible pasphrase-to-key,
>> plus mode-specific data such as the iv/nonce, is there a specification
>> of the format of how these come in?
> You'd have to ask Werner, the head developer, about that.

Sorry, I do not understand the question.  The format is defined by the
OpenPGP standard or the CMS standard (aka S/MIME).  There are also some
other less common formats.

Or is the question how applications present this to the user or whether
a standard API is defined?  That is not defined by one of these



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