1 files changed, 5 insertions, 3 deletions
diff --git a/crypto/src/main/java/org/conscrypt/OpenSSLSocketImpl.java b/crypto/src/main/java/org/conscrypt/OpenSSLSocketImpl.java
index 9b066b5..f8a4a98 100644
--- a/crypto/src/main/java/org/conscrypt/OpenSSLSocketImpl.java
+++ b/crypto/src/main/java/org/conscrypt/OpenSSLSocketImpl.java
@@ -506,6 +506,11 @@ public class OpenSSLSocketImpl
             return;
         }
 
+        // Note that OpenSSL says to use SSL_use_certificate before SSL_use_PrivateKey.
+
+        byte[][] certificateBytes = NativeCrypto.encodeCertificates(certificates);
+        NativeCrypto.SSL_use_certificate(sslNativePointer, certificateBytes);
+
         try {
             final OpenSSLKey key = OpenSSLKey.fromPrivateKey(privateKey);
             NativeCrypto.SSL_use_PrivateKey(sslNativePointer, key.getPkeyContext());
@@ -513,9 +518,6 @@ public class OpenSSLSocketImpl
             throw new SSLException(e);
         }
 
-        byte[][] certificateBytes = NativeCrypto.encodeCertificates(certificates);
-        NativeCrypto.SSL_use_certificate(sslNativePointer, certificateBytes);
-
         // checks the last installed private key and certificate,
         // so need to do this once per loop iteration
         NativeCrypto.SSL_check_private_key(sslNativePointer);