K 10 svn:author V 3 des K 8 svn:date V 27 2011-12-11T20:40:23.759998Z K 7 svn:log V 228 MFH r227757: check for null passphrases, since openssl doesn't Security: prevents users with unencrypted ssh keys (prohibited unless the nullok option is specified) from logging in by providing a bogus non-null passphrase. END