Merge branch 'add-x5c-to-private-keys' into 'main'

Auch den privaten Key ein `x5c` (X.509 key chain) Attribut geben - planning#361

See merge request !6

pkcs12-to-jwk.py

@@ -224,6 +224,7 @@ def write_jwk_files(private_key, certificate, chain, output_dir, overwrite_files
     # derive private key (decryption)
     jwk_unwrapKey = jwk.JWK.from_pem(private_key_pem)
     jwk_unwrapKey.setdefault("alg", "RSA-OAEP-256")
+    jwk_unwrapKey.setdefault("x5c", x5c)
     jwk_unwrapKey.setdefault("key_ops", ["unwrapKey"])
 
     # create signature JWK's
@@ -237,6 +238,7 @@ def write_jwk_files(private_key, certificate, chain, output_dir, overwrite_files
     # derive private key (signing)
     jwk_sign = jwk.JWK.from_pem(private_key_pem)
     jwk_sign.setdefault("alg", "PS512")
+    jwk_sign.setdefault("x5c", x5c)
     jwk_sign.setdefault("key_ops", ["sign"])
 
     # write public keys to file