Re: [HACKERS] On-disk format of SCRAM verifiers

On Fri, Apr 21, 2017 at 10:02 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> On 21 April 2017 at 10:20, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
>> But looking more closely, I think I misunderstood RFC 5803. It *does* in
>> fact specify a single string format to store the verifier in. And the format
>> looks like:
>>
>> SCRAM-SHA-256$<iteration count>:<salt>$<StoredKey>:<ServerKey>
>
> Could you explain where you are looking? I don't see that in RFC5803

From 1.  Overview:
  Syntax of the attribute can be expressed using ABNF [RFC5234].  Non-  terminal references in the following ABNF are
definedin either  [AUTHPASS], [RFC4422], or [RFC5234].
 
      scram-mech     = "SCRAM-SHA-1" / scram-mech-ext                     ; Complies with ABNF for <scheme>
       ; defined in [AUTHPASS].
 
      scram-authInfo = iter-count ":" salt                     ; Complies with ABNF for <authInfo>
;defined in [AUTHPASS].
 
      scram-authValue = stored-key ":" server-key                     ; Complies with ABNF for <authValue>
      ; defined in [AUTHPASS].
 

Thanks,
-- 
Michael