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Status: Verified (1)

RFC 5054, "Using the Secure Remote Password (SRP) Protocol for TLS Authentication", November 2007

Source of RFC: tls (sec)

Errata ID: 7538
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Mingye Wang
Date Reported: 2023-06-07
Verifier Name: Paul Wouters
Date Verified: 2023-10-11

Section 2.1 says: 

 The version of SRP used here is sometimes referred to as "SRP-6"
   [SRP-6].

It should say:

 The version of SRP used here is sometimes referred to as "SRP-6a"
   [SRP-6a].


 [SRP-6a]: Wu, T., "SRP Protocol Design", circa 2005, http://srp.stanford.edu/design.html

Notes:

The protocol described uses a non-constant k, which is an innovation of SRP-6a -- never published formally in a technical report (until this RFC) and dating to ~2005 if we go by the libsrp version history. Actual [SRP-6] of 2002 uses a constant k = 3.

Reference to the [SRP-6] text is still valuable for rationale, but is not accurate. Confusion between these two versions is harmful and may impeded interoperability.

Status: Reported (1)

RFC 5054, "Using the Secure Remote Password (SRP) Protocol for TLS Authentication", November 2007

Source of RFC: tls (sec)

Errata ID: 4546
Status: Reported
Type: Technical
Publication Format(s) : TEXT
Reported By: Rick van Rein
Date Reported: 2015-11-30

Section 2.6 says: 

B = k*v + g^b % N

It should say:

B = ( k*v + g^b ) % N

Notes:

The customary binding is that + has lower priority than % and so the default reading of the expression would be
B = k*v + ( g^b % N )
That is inconsistent with the existence of PAD(B) and the size of B in the test vectors, so the context hints at proper brackets, but this may still lead to implementation errors (of which I actually ran into an example).

Status: Held for Document Update (1)

RFC 5054, "Using the Secure Remote Password (SRP) Protocol for TLS Authentication", November 2007

Source of RFC: tls (sec)

Errata ID: 3570
Status: Held for Document Update
Type: Editorial
Publication Format(s) : TEXT
Reported By: Nico Roeser
Date Reported: 2013-03-27
Held for Document Update by: Sean Turner

Section 2.5.1.3 says: 

2.5.1.3.  Unknown SRP         User Name

It should say:

2.5.1.3.  Unknown SRP User Name

Notes:

Too many spaces in the heading.

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