Re: [389-users] SSHA and friends

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Brandon G wrote:
> Rich Megginson wrote:
>   
>> 389 does support MD5 and Salted (SMD5) hashes, specifically for 
>> migration purposes.  What format does $1$xxxx use?
>>   
>>     
>
> It has been used in  unix for some time now.  $1$SEED$HASH is MD5; 
> depending upon what OS you use the number differs in the hash.  Years 
> ago I rewrote crypt for FreeBSD to use $3$ for SHA1.  I know Redhat is 
> now using $6$ for a form of SHA, I don't know which one.
>
>   
>>> Where is the Seed in SSHA?
>>>     
>>>       
>> At the end.
>>   
>>     
>>> Is it a fixed length?
>>>     
>>>       
>> Yes, 8 bytes.
>>
>> But note that you cannot convert MD5 to (S)SHA.
>>     
>
>
> Where is the standard that defines what the hash format is for the 
> various {types} ?
>
> This is basically to make migration easier, if I could reformat a 
> "$1$seed$hash" into "{SMD5}hashseed"? and stuff it into userPassword, 
> the users have no disruption.
>   
{SMD5}hashseed might just work.
> -Brandon
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>   

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