wip: implelented SingleServerCrypto struct

rpxy-certs/src/error.rs

@@ -0,0 +1,15 @@
+use thiserror::Error;
+
+/// Describes things that can go wrong in the Rpxy certificate
+#[derive(Debug, Error)]
+pub enum RpxyCertError {
+  /// Error when reading certificates and keys
+  #[error("Failed to read certificates from file: {0}")]
+  IoError(#[from] std::io::Error),
+  /// Error when parsing certificates and keys to generate a rustls CertifiedKey
+  #[error("Unable to find a valid certificate and key")]
+  InvalidCertificateAndKey,
+  /// Error when parsing client CA certificates: No client certificate found
+  #[error("No client certificate found")]
+  NoClientCert,
+}