* Java userspace test (contrib/external-tests/java)
@ 2017-04-18 1:39 crasm
2017-04-18 1:54 ` Jason A. Donenfeld
0 siblings, 1 reply; 3+ messages in thread
From: crasm @ 2017-04-18 1:39 UTC (permalink / raw)
To: wireguard
Hello,
I've written an initial attempt for a java userspace test in
[contrib/external-tests/java][], but am currently not getting any
response back from my own wireguard server or the demo server.
[contrib/external-tests/java]:
https://github.com/crasm/WireGuard/blob/master/contrib/external-tests/java/src/main/java/wireguard/Main.java
I'm fairly sure the problem is in my code, but I'm not sure how to
debug. Is there anyone who would be willing to take a look at this and
compare it to the other external tests?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Java userspace test (contrib/external-tests/java)
2017-04-18 1:39 Java userspace test (contrib/external-tests/java) crasm
@ 2017-04-18 1:54 ` Jason A. Donenfeld
2017-04-19 16:06 ` crasm
0 siblings, 1 reply; 3+ messages in thread
From: Jason A. Donenfeld @ 2017-04-18 1:54 UTC (permalink / raw)
To: crasm; +Cc: WireGuard mailing list
>From your code:
Blake2sMessageDigest blake2s = new Blake2sMessageDigest(preshared);
blake2s.update(theirPublic);
blake2s.update(buf.array(), 0, buf.position());
// Note: Blake2s returns 32 bytes, but we only use the first 16.
buf.put(blake2s.digest(), 0, 16);
The final length needs to be passed to Blake2sMessageDigest in the
constructor, because Blake2 encodes the final length into the initial
block. The implementation from here might work better:
https://github.com/Geal/android-wireguard/blob/master/app/src/main/java/com/southernstorm/noise/crypto/Blake2sMessageDigest.java
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Java userspace test (contrib/external-tests/java)
2017-04-18 1:54 ` Jason A. Donenfeld
@ 2017-04-19 16:06 ` crasm
0 siblings, 0 replies; 3+ messages in thread
From: crasm @ 2017-04-19 16:06 UTC (permalink / raw)
To: Jason A. Donenfeld; +Cc: WireGuard mailing list
I did replace it, but I'm still having the same problem.
https://github.com/crasm/noise-java/blob/wireguard-contrib-external-tests/src/main/java/com/southernstorm/noise/crypto/Blake2sMessageDigest.java
https://github.com/crasm/WireGuard/blob/master/contrib/external-tests/java/src/main/java/wireguard/Main.java
If anyone can help, it would be appreciated, but I'll continue debugging
on my own as well.
On Mon, Apr 17, 2017, at 09:54 PM, Jason A. Donenfeld wrote:
> From your code:
>
> Blake2sMessageDigest blake2s = new Blake2sMessageDigest(preshared);
> blake2s.update(theirPublic);
> blake2s.update(buf.array(), 0, buf.position());
> // Note: Blake2s returns 32 bytes, but we only use the first 16.
> buf.put(blake2s.digest(), 0, 16);
>
> The final length needs to be passed to Blake2sMessageDigest in the
> constructor, because Blake2 encodes the final length into the initial
> block. The implementation from here might work better:
> https://github.com/Geal/android-wireguard/blob/master/app/src/main/java/com/southernstorm/noise/crypto/Blake2sMessageDigest.java
^ permalink raw reply [flat|nested] 3+ messages in thread
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2017-04-19 16:06 ` crasm
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