Most commonly used OpenPGP symmetric ciphers

[Atom 'Smasher']

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> The OpenPGP standard supports many symmetric key algorithms (IDEA,
> 3-DES, CAST5, AES, Blowfish, SAFER). I was wondering which of these
> algorithms are most commonly used in the industry. Is there a most
> commonly used algorithm from this list?
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most people never change the defaults, so AES-256 seems to be the most
widely used first preference with newer keys.

for a better answer of what preferences are really out there, maybe
someone who maintains a key-server can run that report.

 	...atom

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