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Diff for /src/usr.bin/ssh/ssh-keygen.1 between version 1.50 and 1.51

version 1.50, 2001/10/25 21:14:32 version 1.51, 2001/11/21 18:49:14
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 The passphrase may be empty to indicate no passphrase  The passphrase may be empty to indicate no passphrase
 (host keys must have an empty passphrase), or it may be a string of  (host keys must have an empty passphrase), or it may be a string of
 arbitrary length.  arbitrary length.
 Good passphrases are 10-30 characters long and are  A passphrase is similar to a password, except it can be a phrase with a
   series of words, punctuation, numbers, whitespace, or any string of
   characters you want.
   Good passphrases are 10-30 characters long, are
 not simple sentences or otherwise easily guessable (English  not simple sentences or otherwise easily guessable (English
 prose has only 1-2 bits of entropy per character, and provides very bad  prose has only 1-2 bits of entropy per character, and provides very bad
 passphrases).  passphrases), and contain a mix of upper and lowercase letters,
   numbers, and non-alphanumeric characters.
 The passphrase can be changed later by using the  The passphrase can be changed later by using the
 .Fl p  .Fl p
 option.  option.
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Removed from v.1.50  
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  Added in v.1.51