添加 github.com/pion/dtls 代码

dtls-2.0.9/pkg/crypto/clientcertificate/client_certificate.go

@@ -0,0 +1,22 @@
+// Package clientcertificate provides all the support Client Certificate types
+package clientcertificate
+
+// Type is used to communicate what
+// type of certificate is being transported
+//
+//https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-2
+type Type byte
+
+// ClientCertificateType enums
+const (
+	RSASign   Type = 1
+	ECDSASign Type = 64
+)
+
+// Types returns all valid ClientCertificate Types
+func Types() map[Type]bool {
+	return map[Type]bool{
+		RSASign:   true,
+		ECDSASign: true,
+	}
+}