use go 1.12

Signed-off-by: hongming <talonwan@yunify.com>

vendor/github.com/lucas-clemente/quic-go-certificates/LICENSE

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+MIT License
+
+Copyright (c) 2016 Lucas Clemente
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/lucas-clemente/quic-go-certificates/README.md

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+# certsets
+
+Common certificate sets for quic-go

vendor/github.com/lucas-clemente/quic-go-certificates/createCertSets.rb

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+#!/usr/bin/env ruby
+#
+# Extract the common certificate sets from the chromium source to go
+#
+# Usage:
+# createCertSets.rb 1 ~/src/chromium/src/net/quic/crypto/common_cert_set_1*
+# createCertSets.rb 2 ~/src/chromium/src/net/quic/crypto/common_cert_set_2*
+
+n = ARGV.shift
+mainFile = ARGV.shift
+dataFiles = ARGV
+
+data = "package certsets\n"
+data += File.read(mainFile)
+data += (dataFiles.map{|p| File.read(p)}).join
+
+# Good enough
+data.gsub!(/\/\*(.*?)\*\//m, '')
+data.gsub!(/^#include.+/, '')
+data.gsub!(/^#if 0(.*?)\n#endif/m, '')
+
+data.gsub!(/^static const size_t kNumCerts.+/, '')
+data.gsub!(/static const size_t kLens[^}]+};/m, '')
+
+data.gsub!('static const unsigned char* const kCerts[] = {', "var CertSet#{n} = [][]byte{")
+data.gsub!('static const uint64_t kHash = UINT64_C', "const CertSet#{n}Hash uint64 = ")
+
+data.gsub!(/static const unsigned char kDERCert(\d+)\[\] = /, "var kDERCert\\1 = []byte")
+
+data.gsub!(/kDERCert(\d+)/, "certSet#{n}Cert\\1")
+
+File.write("cert_set_#{n}.go", data)
+
+system("gofmt -w -s cert_set_#{n}.go")