[IPP] 5100.11 "job-password-encryption-supported" - what SHA version does 'sha' keyword indicate?

[IPP] 5100.11 "job-password-encryption-supported" - what SHA version does 'sha' keyword indicate?

Kennedy, Smith (Wireless & Standards Architect) smith.kennedy at hp.com
Mon Aug 27 21:22:18 UTC 2018


Actually, found that they were registered here:

http://www.pwg.org/pipermail/ipp/2015/018630.html

Mike or Ira, can you update the link for the 'sha2-512_224' and 'sha3-512_224' keyword registrations in the IANA registry? 

Smith



> On Aug 27, 2018, at 3:18 PM, Kennedy, Smith (Wireless & Standards Architect) <smith.kennedy at hp.com> wrote:
> 
> Greetings,
> 
> Resurrecting an old thread: although not listed below, the 'sha2-512_224' keyword was also registered.
> 
> Smith
> 
> /**
>     Smith Kennedy
>     Wireless & Standards Architect - IPG-PPS
>     Standards - IEEE ISTO PWG / Bluetooth SIG / Wi-Fi Alliance / NFC Forum / USB-IF
>     Chair, IEEE ISTO Printer Working Group
>     HP Inc.
> */
> 
> 
> 
>> On Jun 16, 2014, at 2:56 PM, Michael Sweet <msweet at apple.com> wrote:
>> 
>> OK, the consensus at today's concall is that "sha" refers to SHA-1.  We will register the following values for SHA2:
>> 
>>   sha2-224
>>   sha2-256
>>   sha2-384
>>   sha2-512
>>   sha2-512_256
>> 
>> The latter is the 512-bit SHA-2 hash truncated to 256 bits as used in the upcoming HTTP Digest authentication update.
>> 
>> Once a non-draft US NIST (or other) specification is released, we will also register the following new values for SHA-3 and Shake:
>> 
>>   sha3-224
>>   sha3-256
>>   sha3-384
>>   sha3-512
>>   sha3-512_256
>>   shake-128
>>   shake-256
>> 
>> 
>> The IANA registration information for the SHA-2 registrations is:
>> 
>> Attributes (attribute syntax)
>>   Keyword Attribute Value                       Reference
>>   -----------------------                       ---------
>> job-password-encryption (type2 keyword)		[PWG5100.11]
>>   sha2-224
>>   sha2-256
>>   sha2-384
>>   sha2-512
>>   sha2-512_256
>> 
>> 
>> On Jun 12, 2014, at 4:52 PM, Kennedy, Smith (Wireless Architect) <smith.kennedy at hp.com> wrote:
>> 
>>> Greetings,
>>> 
>>> PWG 5100.11 (JPS2) defines the “job-password-encryption-supported” attribute.  One of the keywords defined in JPS2 is ’sha’.  Neither the keyword nor the description is clear as to which SHA generation is being used.  Is this SHA-0 or SHA-1?  Do we need to define additional keywords to bring this up-to-date?
>>> 
>>> Smith
>>> 
>>> /**
>>>     Smith Kennedy
>>>     ATB Wireless Architect - PPS
>>>     Hewlett-Packard Co.
>>> */
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> ipp mailing list
>>> ipp at pwg.org
>>> https://www.pwg.org/mailman/listinfo/ipp
>> 
>> _________________________________________________________
>> Michael Sweet, Senior Printing System Engineer, PWG Chair
>> 
> 
> _______________________________________________
> ipp mailing list
> ipp at pwg.org
> https://www.pwg.org/mailman/listinfo/ipp

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