Re: [KEYPROV] DISCUSS and COMMENT: draft-ietf-keyprov-symmetrickeyformat

[Sean Turner <[e-mail]>]

I got two comments that I was hoping the PSKC authors could help me with 
because they will probably get the exact same DISCUSS and COMMENT from 
Alexey:


> Alexey Melnikov wrote:
>DISCUSS
>> 3.3.5:
>>
>> o pinUsageMode indicates the way the PIN is used during the usage of 
>>      the key.  The following values are defined: Local, Prepend,      
>> Append, Algorithmic.
>>
>> The meaning of the choices is not clear to me. So I don't think
>> they can be used in an interoperable fashion.

Is there some text lounging around that I can use or do we have to come 
up with our own?

 >COMMENT
>> 3.2.7. Algorithm Parameters
>>
>>   o min defines the minimum size of the challenge accepted by the 
>>         device for CR mode.  If encoding is 'DECIMAL', 'HEXADECIMAL' 
>> or         'ALPHANUMERIC' this value indicates the minimum number of 
>>         digits/characters.
>>
>> So just to double check: for a HEXADECIMAL value "ABCD", min is 4, not 2?
>> (The same question about "max", ResponseFormat/"length", 
>> PINPolicy/"minLength" & "maxLength")
>>
>>         If encoding is 'BASE64' or 'BINARY', this         value 
>> indicates the minimum number of bytes of the unencoded         value.

Is he correct or is there some other interpretation?