On 07-05-2009 13:16:48 +0200, [email protected] wrote:
> As I'm working on changing the password backend of M5 to use hashes
> instead of cypher3d clear text passwords[1], I have to bump the wire
> protocol level from 8 to 9, since the client will have to construct the
> challenge response differently.
The changes made to the protocol only affect the login procedure.
In v8 the password would be clear text, in v9 it is a hash. The
hash algorithm used is defined by the server in the challenge.
v8:
<- <salt>:<server>:8:<hashes>:<byteorder>
-> <byteorder>:<user>:{<hash>}<hash(password+salt)>:<lang>:<db>:
v9:
<- <salt>:<server>:9:<hashes>:<byteorder>:<pwhash>:
-> <byteorder>:<user>:{<hash>}{hash(pwhash(password)+salt)>:<lang>:<db>:
In v9 the <hashes> crypt and plain have been removed, RIPEMD160, SHA512,
SHA384, SHA256 and SHA224 were added. <pwhash> can be any of RIPEMD160,
SHA512, SHA384, SHA256, SHA224, SHA1 or MD5.
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