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Re: [netconf] crypto-types fallback strategy

"Salz, Rich" <rsalz@akamai.com> Mon, 16 September 2019 16:50 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Kent Watsen <kent+ietf@watsen.net>, Martin Bjorklund <mbj@tail-f.com>
CC: Russ Housley <housley@vigilsec.com>, "netconf@ietf.org" <netconf@ietf.org>, "sean@sn3rd.com" <sean@sn3rd.com>, "rifaat.ietf@gmail.com" <rifaat.ietf@gmail.com>
Thread-Topic: [netconf] crypto-types fallback strategy
Thread-Index: AQHVaNxGVhFlbERW30moo9Q8WhnpJqcoBcwAgAB82YCAABYxgIAGM6kA//+/WoA=
Date: Mon, 16 Sep 2019 16:50:03 +0000
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Subject: Re: [netconf] crypto-types fallback strategy
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>> But then note that "rsaEncryption" is not an OID ("1.2.840.113549.1.1.1" is the OID).  If you want to use a symbolic name you need something else.

> Isn't it?  Check https://tools.ietf.org/html/rfc3279#section-2.3.1<https://urldefense.proofpoint.com/v2/url?u=https-3A__tools.ietf.org_html_rfc3279-23section-2D2.3.1&d=DwMFAg&c=96ZbZZcaMF4w0F4jpN6LZg&r=4LM0GbR0h9Fvx86FtsKI-w&m=uYE8fXe6R23tavktnaIS9n7HaOtjLgXaih-2ULwnT3s&s=F-SWW3M7EQbKppPsaMqMKmtplgkzg6IO-RcRSpljAtU&e=>


If you are referring to this line:

           rsaEncryption OBJECT IDENTIFIER ::=  { pkcs-1 1}

The intent is that it only defines a symbolic name to be used as a short-hand prefix of an OID string within that specific ASN1 module definition.  For example, pkcs-1 is a prefix is a prefix for 1.2.840.113549.1.1 and is not expected or required to be unique globally.

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