Port certificate verification to iOS.

net/base/x509_util_ios.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file contains functions for iOS to glue NSS and Security.framework
 // together.
 
 #ifndef NET_BASE_X509_UTIL_IOS_H_
 #define NET_BASE_X509_UTIL_IOS_H_
 
 #include <Security/Security.h>
+#include <vector>
+
+#include "net/base/x509_cert_types.h"
 
 // Forward declaration; real one in <cert.h>
 typedef struct CERTCertificateStr CERTCertificate;
 
 namespace net {
+
+class X509Certificate;
+
 namespace x509_util_ios {
 
 // Converts a Security.framework certificate handle (SecCertificateRef) into
 // an NSS certificate handle (CERTCertificate*).
 CERTCertificate* CreateNSSCertHandleFromOSHandle(SecCertificateRef cert_handle);
 
 // Converts an NSS certificate handle (CERTCertificate*) into a
 // Security.framework handle (SecCertificateRef)
 SecCertificateRef CreateOSCertHandleFromNSSHandle(
     CERTCertificate* nss_cert_handle);
 
+// Create a new X509Certificate from the specified NSS server cert and
+// intermediates. This is functionally equivalent to
+// X509Certificate::CreateFromHandle(), except it supports receiving
+// NSS CERTCertificate*s rather than iOS SecCertificateRefs.
+X509Certificate* CreateCertFromNSSHandles(
+    CERTCertificate* cert_handle,
+    const std::vector<CERTCertificate*>& intermediates);
+
+SHA1HashValue CalculateFingerprintNSS(CERTCertificate* cert);
+
 // This is a wrapper class around the native NSS certificate handle.
 // The constructor copies the certificate data from |cert_handle| and
 // uses the NSS library to parse it.
 class NSSCertificate {
  public:
   explicit NSSCertificate(SecCertificateRef cert_handle);
   ~NSSCertificate();
-  CERTCertificate* cert_handle();
+  CERTCertificate* cert_handle() const;
  private:
   CERTCertificate* nss_cert_handle_;
 };
 
+// A wrapper class that loads a certificate and all of its intermediates into
+// NSS. This is necessary for libpkix path building to be able to locate
+// needed intermediates.
+class NSSCertChain {
+ public:
+  explicit NSSCertChain(X509Certificate* certificate);
+  ~NSSCertChain();
+  CERTCertificate* cert_handle() const;
+ private:
+  std::vector<CERTCertificate*> certs_;
+};
+
 }  // namespace x509_util_ios
 }  // namespace net
 
 #endif  // NET_BASE_X509_UTIL_IOS_H_