| commit | ee63782fd6bde490b31db9fbb00677ac4094bdc4 | [log] [tgz] |
|---|---|---|
| author | Filippo Valsorda <filippo@golang.org> | Wed Jun 19 18:31:43 2019 -0400 |
| committer | Filippo Valsorda <filippo@golang.org> | Thu Jun 20 19:30:01 2019 +0000 |
| tree | 47f91e4b638ecc43a52f3cd38c3fd0e99fc43b38 | |
| parent | 0884bca05a278e7f8783be3545a88a26b14dd4e4 [diff] |
crypto/tls: reject low-order Curve25519 points The RFC recommends checking the X25519 output to ensure it's not the zero value, to guard against peers trying to remove contributory behavior. In TLS there should be enough transcript involvement to mitigate any attack, and the RSA key exchange would suffer from the same issues by design, so not proposing a backport. See #31846 Change-Id: I8e657f8ee8aa72c3f8ca3b124555202638c53f5e Reviewed-on: https://go-review.googlesource.com/c/go/+/183039 Run-TryBot: Filippo Valsorda <filippo@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Adam Langley <agl@golang.org>
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