[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 21:18:13 UTC 2018


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 <mailto: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 <mailto:ipp at pwg.org>
>> https://www.pwg.org/mailman/listinfo/ipp
> 
> _________________________________________________________
> Michael Sweet, Senior Printing System Engineer, PWG Chair
> 

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