Kathleen Moriarty has entered the following ballot position for
draft-ietf-tls-rfc4492bis-15: Yes

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COMMENT:
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Thanks for your work on this draft.  I just have one question:

In section 5.10, I see the following text:
   The default hash function is SHA-1 [FIPS.180-2], and sha_size (see
   Section 5.4 and Section 5.8) is 20.  However, an alternative hash
   function, such as one of the new SHA hash functions specified in
FIPS
   180-2 [FIPS.180-2], SHOULD be used instead.

Why are you setting the default to SHA-1 and then recommending that
something else should be used?  Why not just start with a different SHA
hash function as the default or at least for TLS 1.2?  I do see the prior
text about TLS 1.0 and 1.1 using MD5 and SHA-1, but most have recommended
to go right to TLS 1.2 with the SSLv3 deprecation.  As such, I'm not
clear on why the SHA-1 default.


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