35 lines
873 B
Go
35 lines
873 B
Go
package quic
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import (
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"crypto/rand"
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"crypto/rsa"
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"crypto/tls"
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"crypto/x509"
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"encoding/pem"
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"math/big"
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)
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// GenerateTLSConfig sets up a bare-bones TLS config for a QUIC server
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func GenerateTLSConfig() *tls.Config {
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key, err := rsa.GenerateKey(rand.Reader, 1024)
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if err != nil {
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panic(err)
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}
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template := x509.Certificate{SerialNumber: big.NewInt(1)}
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certDER, err := x509.CreateCertificate(rand.Reader, &template, &template, &key.PublicKey, key)
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if err != nil {
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panic(err)
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}
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keyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(key)})
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certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certDER})
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tlsCert, err := tls.X509KeyPair(certPEM, keyPEM)
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if err != nil {
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panic(err)
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}
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return &tls.Config{
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Certificates: []tls.Certificate{tlsCert},
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NextProtos: []string{"argotunnel"},
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}
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}
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