[CHECKPOINT] Starting to parse these things.

src/ssh/errors.rs

@@ -0,0 +1,42 @@
+use base64::DecodeError;
+use simple_asn1::ASN1DecodeErr;
+use std::io;
+
+#[derive(Debug)]
+pub enum SSHKeyParseError
+{
+    ASN1Error(ASN1DecodeErr),
+    DecodeError(DecodeError),
+    IOError(io::Error),
+    NoBeginBannerFound, NoEndBannerFound,
+    NoOpenSSHMagicHeader
+}
+
+impl From<ASN1DecodeErr> for SSHKeyParseError {
+    fn from(e: ASN1DecodeErr) -> SSHKeyParseError {
+        println!("asn1 error: {:?}", e);
+        SSHKeyParseError::ASN1Error(e)
+    }
+}
+
+impl From<DecodeError> for SSHKeyParseError {
+    fn from(e: DecodeError) -> SSHKeyParseError {
+        SSHKeyParseError::DecodeError(e)
+    }
+}
+
+impl From<io::Error> for SSHKeyParseError {
+    fn from(e: io::Error) -> SSHKeyParseError {
+        SSHKeyParseError::IOError(e)
+    }
+}
+
+pub enum SSHKeyRenderError {
+    IOError(io::Error),
+}
+
+impl From<io::Error> for SSHKeyRenderError {
+    fn from(e: io::Error) -> SSHKeyRenderError {
+        SSHKeyRenderError::IOError(e)
+    }
+}