diff --git a/OpenVPN Adapter/OpenVPNCertificate.m b/OpenVPN Adapter/OpenVPNCertificate.m
index fd09813..aee5591 100644
--- a/OpenVPN Adapter/OpenVPNCertificate.m	
+++ b/OpenVPN Adapter/OpenVPNCertificate.m	
@@ -31,7 +31,12 @@
 + (OpenVPNCertificate *)certificateWithPEM:(NSData *)pemData error:(out NSError * __nullable * __nullable)error {
     OpenVPNCertificate *certificate = [OpenVPNCertificate new];
     
-    // TODO: Parse PEM data
+    NSString *pemString = [[NSString alloc] initWithData:pemData encoding:NSUTF8StringEncoding];
+    
+    int result = mbedtls_x509_crt_parse(certificate.crt, (const unsigned char *)pemString.UTF8String, pemData.length + 1);
+    if (result != 0) {
+        return nil;
+    }
     
     return certificate;
 }