[CentOS] How to enable SHA1 passwords after migration from OpenSUSE?

Papalagi Pakeha papalagi.pakeha at gmail.com
Fri Jun 27 12:03:57 UTC 2008

On Fri, Jun 27, 2008 at 12:11 PM, Andreas Pedersen
<alofflambas at gmail.com> wrote:
> On Thu, Jun 26, 2008 at 2:05 PM, Papalagi Pakeha
> <papalagi.pakeha at gmail.com> wrote:
>> Hi there!
>> I have recently migrated my old server from OpenSUSE 10.0 to CentOS 5.
>> Almost everything works great, except for one thing - user passwords.
>> In the old system they were in a form:
>> root:$2a$05$9V.P3/KV2fd0r/O8hs0gNueaidF35edj3DL6skb32qZJNpvwVHiUO:12183:0:99999:7:::
>> and that format doesn't seem to be understood by CentOS. When I change
>> the password I get something like:
>> root:$1$Z0HGYkIb$fbkW0gR6c.k7rENE1NlzE0:14055:0:99999:7:::
>> Note the encrypted password begins with $2a$... in OpenSUSE while in
>> CentOS it starts with $1$... CentOS passwords (MD5?) are understood by
>> OpenSUSE but OpenSUSE passwords (SHA1?) are not understood by CentOS.

> First: '$2a' is not SHA1 its Blowfish.
> I belive you need libxcrypt support, I'm not sure just google fast I
> hope this will help you.
> # OpenSUSE 10.2 box
> $ ldd /lib/security/pam_unix2.so

I can't find pam_unix2 for CentOS. It's doesn't seem to be in any of
the repos I know of. Any hint as where to get hold of it?


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