* Matthew Toseland <toad at amphibian.dyndns.org> [2007-09-21 13:14:42]:
> On Tuesday 11 September 2007 19:54, you wrote:
> > Author: nextgens
> > Date: 2007-09-11 18:54:26 +0000 (Tue, 11 Sep 2007)
> > New Revision: 15126
> >
> > Modified:
> > branches/freenet-jfk/src/freenet/crypt/SHA256.java
> > branches/freenet-jfk/src/freenet/node/FNPPacketMangler.java
> > Log:
> > * Reduce the size of HKr
> > * Compute the HMAC using SHA256
> >
> > Modified: branches/freenet-jfk/src/freenet/crypt/SHA256.java
> > ===================================================================
> > --- branches/freenet-jfk/src/freenet/crypt/SHA256.java 2007-09-10
> > 23:06:21
> UTC (rev 15125)
> > +++ branches/freenet-jfk/src/freenet/crypt/SHA256.java 2007-09-11
> > 18:54:26
> UTC (rev 15126)
> > @@ -415,4 +415,8 @@
> > public static int getDigestLength() {
> > return HASH_SIZE;
> > }
> > +
> > + public static Digest getInstance() {
> > + return new SHA256();
> > + }
>
> I don't understand what this is for. Where do we use SHA256 directly?
> Normally
> we use a static factory method to get a MessageDigest ... ?
The hashmac code we are using takes a Digest as input... I was assuming
that it was used somewhere else in the code and that we don't want to
change the API of JavaSha1
NextGen$
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