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@ -1,30 +1,7 @@
```
_____ _ ____ _ _
|_ _| | / ___| | |_ _ __(_)___
| | | | \___ \ _____| __| '__| / __|
| | | |___ ___) |_____| |_| | | \__ \
|_| |_____|____/ \__|_| |_|___/
# trs
```
crypto/tls, now with 100% more 1.3.
THE API IS NOT STABLE AND DOCUMENTATION IS NOT GUARANTEED.
[![Build Status](https://travis-ci.org/cloudflare/tls-tris.svg?branch=master)](https://travis-ci.org/cloudflare/tls-tris)
## Usage
Since `crypto/tls` is very deeply (and not that elegantly) coupled with the Go stdlib,
tls-tris shouldn't be used as an external package. It is also impossible to vendor it
as `crypto/tls` because stdlib packages would import the standard one and mismatch.
So, to build with tls-tris, you need to use a custom GOROOT.
A script is provided that will take care of it for you: `./_dev/go.sh`.
Just use that instead of the `go` tool.
The script also transparently fetches the custom Cloudflare Go 1.10 compiler with the required backports.
This is an implementation of TLS 1.3 forked from ``tls-tris`` (af21f3083ce150bf822574a4437be352a83ef45b). Modified
to be used as separated library.
## Development
@ -55,53 +32,3 @@ sudo usermod -a -G docker $USER
Similar dependencies can be found on any UNIX based system/distribution.
### Building
There are number of things that need to be setup before running tests. Most important step is to copy ``go env GOROOT`` directory to ``_dev`` and swap TLS implementation and recompile GO. Then for testing we use go implementation from ``_dev/GOROOT``.
```
git clone https://github.com/cloudflare/tls-tris.git
cd tls-tris; cp _dev/utils/pre-commit .git/hooks/
make -f _dev/Makefile build-all
```
### Testing
We run 3 kinds of test:.
* Unit testing: <br/>``make -f _dev/Makefile test-unit``
* Testing against BoringSSL test suite: <br/>``make -f _dev/Makefile test-bogo``
* Compatibility testing (see below):<br/>``make -f _dev/Makefile test-interop``
To run all the tests in one go use:
```
make -f _dev/Makefile test
```
### Testing interoperability with 3rd party libraries
In order to ensure compatibility we are testing our implementation against BoringSSL, NSS and PicoTLS.
Makefile has a specific target for testing interoperability with external libraries. Following command can be used in order to run such test:
```
make -f _dev/Makefile test-interop
```
The makefile target is just a wrapper and it executes ``_dev/interop_test_runner`` script written in python. The script implements interoperability tests using ``python unittest`` framework.
Script can be started from command line directly. For example:
```
> ./interop_test_runner -v InteropServer_NSS.test_zero_rtt
test_zero_rtt (__main__.InteropServer_NSS) ... ok
----------------------------------------------------------------------
Ran 1 test in 8.765s
OK
```
### Debugging
When the environment variable `TLSDEBUG` is set to `error`, Tris will print a hexdump of the Client Hello and a stack trace if an handshake error occurs. If the value is `short`, only the error and the first meaningful stack frame are printed.