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Adam Langley b30fcbc9f5 crypto/ecdsa: reject negative inputs. 
The fact that crypto/ecdsa.Verify didn't reject negative inputs was a
mistake on my part: I had unsigned numbers on the brain. However, it
doesn't generally cause problems. (ModInverse results in zero, which
results in x being zero, which is rejected.)

The amd64 P-256 code will crash when given a large, negative input.

This fixes both crypto/ecdsa to reject these values and also the P-256
code to ignore the sign of inputs.

Change-Id: I6370ed7ca8125e53225866f55b616a4022b818f8
Reviewed-on: https://go-review.googlesource.com/22093
Run-TryBot: Adam Langley <agl@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2016-05-18 14:18:48 +00:00
.github doc: update issue template 2016-03-09 00:52:16 +00:00
api cmd/api: remove debug/pe replated changes from next.txt 2016-05-04 05:55:07 +00:00
doc doc/effective_go: clarify backward function reference 2016-05-18 13:17:34 +00:00
lib/time all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
misc cmd/vendor: move cmd/internal/unvendor packages to cmd/vendor 2016-05-14 17:21:52 +00:00
src crypto/ecdsa: reject negative inputs. 2016-05-18 14:18:48 +00:00
test cmd/compile: handle unsafe.Pointer(f()) correctly 2016-05-18 14:01:22 +00:00
.gitattributes
.gitignore cmd/go: fail with nice error message on bad GOOS/GOARCH pair 2016-05-06 01:18:07 +00:00
AUTHORS A+C: add Andrew Werner (corporate CLA for Upthere, Inc) 2016-05-16 22:51:26 +00:00
CONTRIBUTING.md doc: use new Gerrit URL and mention our instance in CONTRIBUTING.md 2016-03-09 00:52:42 +00:00
CONTRIBUTORS A+C: add Andrew Werner (corporate CLA for Upthere, Inc) 2016-05-16 22:51:26 +00:00
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

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For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Go is the work of hundreds of contributors. We appreciate your help!

To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html

Note that we do not accept pull requests and that we use the issue tracker for bug reports and proposals only. Please ask questions on https://forum.golangbridge.org or https://groups.google.com/forum/#!forum/golang-nuts.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

--

Binary Distribution Notes

If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.

For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:

export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin

See https://golang.org/doc/install or doc/install.html for more details.