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Remove redundant requirements #3400

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Remove redundant requirements #3400

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c05d6c4
Remove redundant requirements
ekinnear Mar 20, 2026
91fd5cb
Consolidate control stream guidance
ekinnear Mar 21, 2026
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18 changes: 6 additions & 12 deletions draft-ietf-httpbis-secondary-server-certs.md
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Expand Up @@ -269,8 +269,9 @@ the certificate chain and extensions used to create the message.
A SERVER_CERTIFICATE frame in HTTP/2 (type=0xTBD) carrries a TLS Exported authenticator
that clients can use to authenticate secondary origins from a sending server.

The SERVER_CERTIFICATE frame MUST be sent on stream 0. A SERVER_CERTIFICATE frame received on
any other stream MUST not be used for server authentication.
The SERVER_CERTIFICATE frame applies to the connection, not a specific stream. It
MUST be sent on stream 0. An endpoint MUST treat a SERVER_CERTIFICATE frame with a
stream identifier other than 0x00 as a connection error.

~~~~~~~~~~ ascii-art
SERVER_CERTIFICATE Frame {
Expand All @@ -296,16 +297,13 @@ The authenticator field is a portion of the opaque data returned from the TLS
connection exported authenticator authenticate API. See {{exp-auth}} for more
details on the input to this API.

The SERVER_CERTIFICATE frame applies to the connection, not a specific stream. An
endpoint MUST treat a SERVER_CERTIFICATE frame with a stream identifier other than
0x00 as a connection error.

## HTTP/3 SERVER_CERTIFICATE frame {#http3-cert}
A SERVER_CERTIFICATE frame in HTTP/3 (type=0xTBD) carrries a TLS Exported authenticator
that clients can use to authenticate secondary origins from a sending server.

The SERVER_CERTIFICATE frame MUST be sent on the control stream. A SERVER_CERTIFICATE frame
received on any other stream MUST not be used for server authentication.
The SERVER_CERTIFICATE frame applies to the connection, not a specific stream. It
MUST be sent on the control stream. An endpoint MUST treat a SERVER_CERTIFICATE
frame received on any stream other than the control stream as a connection error.

~~~~~~~~~~ ascii-art
SERVER_CERTIFICATE Frame {
Expand All @@ -322,10 +320,6 @@ The authenticator field is a portion of the opaque data returned from the TLS
connection exported authenticator authenticate API. See {{exp-auth}} for more
details on the input to this API.

The SERVER_CERTIFICATE frame applies to the connection, not a specific stream. An
endpoint MUST treat a SERVER_CERTIFICATE frame received on any stream other than the
control stream as a connection error.

## Exported Authenticator Characteristics {#exp-auth}

The Exported Authenticator API defined in {{EXPORTED-AUTH}} takes as input a
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