How to change user password format in suse linux?

Question

My suse linux systems stores user password in MD5 format in /etc/shadow file. I want to change it to sha512.

Is there any command line tool available for that ?

score 1 · Accepted Answer · answered Jul 27 '15 at 18:28

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I'm not sure the previous answer is actually what he's asking, it's not just that he wants to hash A password, it's changing the mechanism by default to a more secure one.

It's pretty ugly, you'll have to parse out the relevant sections from this VMWare posting....

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1032666

answered Jul 27 '15 at 18:28

Ross Brunson

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While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. – Dipen Shah Jul 27 '15 at 19:57
That's a great point, I'll incorporate that feedback from now on, Dipen. – Ross Brunson Jul 27 '15 at 20:28
@RossBrunson, you still haven't included the relevant bits in this answer. – Cristian Ciupitu Aug 06 '15 at 12:27

score 0 · Answer 2 · edited Apr 13 '17 at 12:13

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Here's a one liner:

python -c 'import crypt; print crypt.crypt("test", "$6$random_salt")'

6 is the type of hash for SHA-512

Taken from : https://serverfault.com/questions/330069/how-to-create-an-sha-512-hashed-password-for-shadow

edited Apr 13 '17 at 12:13

Community

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answered Jul 24 '15 at 13:13

Igor Beaufils

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I want to change the password format itself in /etc/shadow file. – BEPP Jul 24 '15 at 13:21
For fedora but it should work no ? http://www.cyberciti.biz/faq/rhel-centos-fedora-linux-upgrading-password-hashing/ – Igor Beaufils Jul 24 '15 at 14:11

How to change user password format in suse linux?

2 Answers2