More defensive coding around listing our keys in the yubikey.

Signed-off-by: Ying Li <ying.li@docker.com>
2015-11-13 00:08:53 -08:00 · 2015-11-13 00:08:53 -08:00 · 587906e6c6
parent 45de2828b5
commit 587906e6c6
2 changed files with 6 additions and 0 deletions
--- a/.DS_Store
+++ b/.DS_Store
--- a/trustmanager/yubikey/yubikeystore.go
+++ b/trustmanager/yubikey/yubikeystore.go
@ -483,6 +483,12 @@ func yubiListKeys(ctx IPKCS11Ctx, session pkcs11.SessionHandle) (keys map[string
 				}
 			}
 		}
+
+		// we found nothing
+		if cert == nil {
+			continue
+		}
+
 		var ecdsaPubKey *ecdsa.PublicKey
 		switch cert.PublicKeyAlgorithm {
 		case x509.ECDSA: