The following errata report has been submitted for RFC6485,
"The Profile for Algorithms and Key Sizes for Use in the Resource Public Key 
Infrastructure (RPKI)".

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You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=6485&eid=4339

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Type: Technical
Reported by: Sandra Murphy <[email protected]>

Section: 2.

Original Text
-------------
      In a certification request, the OID appears in the PKCS #10
      signatureAlgorithm field [RFC2986] or in the Certificate Request
      Message Format (CRMF) POPOSigningKey signature field [RFC4211].

Corrected Text
--------------
      In a certification request, the OID appears in the PKCS #10
      signatureAlgorithm field [RFC2986] or in the Certificate Request
      Message Format (CRMF) POPOSigningKey algorithmIdentifier field 
      [RFC4211].

Notes
-----
This is technically a technical change, as it would technically affect 
implementation, but I believe in fact it is just a typo.  Only a very 
inexperienced implementor would put the RFC6485 algorithm OID in the signature 
field of the POPOSigningKey.

This problem was noted in a message to the sidr list 
https://www.ietf.org/mail-archive/web/sidr/current/msg06587.html and supported 
by another message 
https://www.ietf.org/mail-archive/web/sidr/current/msg06649.html

At noted in the message to the sidr list, RFC4211 says that the POPOSigningKey 
is:

   POPOSigningKey ::= SEQUENCE {
       poposkInput         [0] POPOSigningKeyInput OPTIONAL,
       algorithmIdentifier     AlgorithmIdentifier,
       signature               BIT STRING }

The OID mentioned in the RFC6485 text is for the algorithm identifier and so 
should appear in the algorithmIdentifier field, not the signature field.

Instructions:
-------------
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RFC6485 (draft-ietf-sidr-rpki-algs-05)
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Title               : The Profile for Algorithms and Key Sizes for Use in the 
Resource Public Key Infrastructure (RPKI)
Publication Date    : February 2012
Author(s)           : G. Huston
Category            : PROPOSED STANDARD
Source              : Secure Inter-Domain Routing
Area                : Routing
Stream              : IETF
Verifying Party     : IESG

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