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Notes:
svn path=/releng/BETA_2_0/; revision=4743
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This effectively changes the non-DES password algoritm.
If you have the "securedist" installed you will have no problems with this.
(Though you might want to consider using this password-encryption instead
of the DES-based if your system is likely to be hacked)
If you are running a -current system without the "securedist" installed:
YOU WILL NEED TO CHANGE ALL PASSWORDS !! There is no backwards mode.
Suggested procedure is:
Update your sources
cd /usr/src/lib/libcrypt
make clean
make all
make install
passwd root
<set roots new password>
change password for any other users on the system.
This algorithm is expected to be much better than the traditional DES-
based algorithm. It uses the MD5 algorithm at what it is best at, as
opposed to the DES algorithm at something it isn't good at at all. The
algorithm is designed such that it should very hard to shortcut the
calculations needed to build a dictionary, and to make partial knowledge
(Hmm, his password starts with a 'P'...) useless. Of course if somebody
breaks the MD5 algorithm this looses too.
The salt is 48 bits (8 char @ base64).
The encrypted password is 128 bits.
And I am positively delighted to say that it takes 34 msec to crypt() a
password on a Pentium/60Mhz, so building a dictionary is not really an
option for hackers at the moment.
Notes:
svn path=/head/; revision=4246
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Submitted by: geoff
Notes:
svn path=/head/; revision=2155
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Submitted by: Geoff Rehmet
Notes:
svn path=/head/; revision=2045
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a symlink to it. (The real libcrypt will be installed as libdescrypt.)
Submitted by: Geoff.
Notes:
svn path=/head/; revision=1989
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crypt() ripped out
Reviewed by: Geoff Rehmet
Submitted by: Nate Williams
Notes:
svn path=/cvs2svn/branches/natecrypt/; revision=1984
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