From b76219c9b5f33d40e13a5eef54387cdd3af82893 Mon Sep 17 00:00:00 2001
From: Tony Arcieri <bascule@gmail.com>
Date: Sun, 16 Jan 2022 10:39:19 -0700
Subject: [PATCH] pkcs8: add error conversion support to `pkcs8::spki::Error`

Allows coercing `pkcs8::Error` to `pkcs8::spki::Error` using `?`.
---
 pkcs8/src/error.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkcs8/src/error.rs b/pkcs8/src/error.rs
index 6fa015081..11498f43a 100644
--- a/pkcs8/src/error.rs
+++ b/pkcs8/src/error.rs
@@ -71,3 +71,13 @@ impl From<spki::Error> for Error {
         Error::PublicKey(err)
     }
 }
+
+impl From<Error> for spki::Error {
+    fn from(err: Error) -> spki::Error {
+        match err {
+            Error::Asn1(e) => spki::Error::Asn1(e),
+            Error::PublicKey(e) => e,
+            _ => spki::Error::KeyMalformed,
+        }
+    }
+}