Security Implications

Steve Butler
Wed Dec 12 20:56:02 2001

> A thought question for the crypto-analysts.
> Given the same file is being encrypted for two (or more) recipients all
> having separate public keys on my keyring.  Presume that I will FTP the
> encrypted file to each recipient's inbound FTP site. Ignoring the work
> overhead on my computer, which provides better overall security and
> immunity to decrypting attacks:
> 1.  Encrypt the file to each recipient individually and FTP each encrypted
> file to the appropriate recipient.  (encrypt many)
> 2.  Encrypt the file for all recipients and FTP the one encrypted file to
> each recipient's FTP site. (encrypt once with many recipients)
> Steve

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