Not only Amazon S3 but Blogger and some other web services out there
need hmac-sha1 based authentication. Many soap web services need
that. Anyone doing web service works on the client side would benefit
from having hmac-sha1 support. I'd vote for that. I can't do hmac by
hand, but I can do a XSLT subset in about 200 lines! :D
Cheers
andre
On Aug 28, 2006, at 10:53 PM, Dar Scott wrote:
On Aug 28, 2006, at 6:46 PM, Andre Garzia wrote:
We use OpenSSL for the crypto-thing routines right? I think
OpenSSL has SHA1 support in it so it would be a matter of exposing
it just like LibXML2 has support for XSLT but RunRev team has not
exposed it to upper levels.
Right.
I have no idea how much work that would be.
Also, when adding to the language, RunRev needs to consider where a
feature fits in, whether it has the right generalizations and options.
What's needed in S3 is hmac-sha1. The HMAC part is
straightforward, but some people might want hmac-sha1, too, or
instead.
On bugzilla is a feature request to allow applying MD5 to files too
large to bring in at one time. This requires a partial MD5, I
think. I am not able to figure out how to build one from MD5.
That is, a partial would need to be built from scratch or use
partial functions from, say, openSSL. No doubt, folks would want
to do the same with SHA1. I imagine this would need 3 functions.
So 3 variations for partial plus one for full, times hmac or not,
times the number of digest methods could add up. Thats 16 functions
for just MD5 and SHA1.
But, if we have just one added, I would want SHA1.
Like I said, I can build the hmac around that, a one-liner on a
wide screen.
Dar
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