Support x509 certificate on iOS.

net/base/x509_certificate_nss_util.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.
+
+#ifndef NET_BASE_X509_CERTIFICATE_NSS_UTIL_H_
+#define NET_BASE_X509_CERTIFICATE_NSS_UTIL_H_
+
+#include <cert.h>
+#include <string>
+#include <vector>
+
+#include "net/base/x509_certificate.h"
+
+namespace base {
+class Time;
+}
+
+class PickleIterator;
+
+namespace net {
+namespace x509_certificate_nss_util {
+
+// Parses the Principal attribute from |name| and outputs the result in
+// |principal|.
+void ParsePrincipal(CERTName* name,
+                    CertPrincipal* principal);
+
+// Parses the date from |der_date| and outputs the result in |result|.
+void ParseDate(const SECItem* der_date, base::Time* result);
+
+// Parses the serial number from |certificate|.
+std::string ParseSerialNumber(const CERTCertificate* certificate);
+
+// Gets the subjectAltName extension field from the certificate, if any.
+void GetSubjectAltName(CERTCertificate* cert_handle,
+                       std::vector<std::string>* dns_names,
+                       std::vector<std::string>* ip_addrs);
+
+// Creates all possible OS certificate handles from |data| encoded in a specific
+// |format|. Returns an empty collection on failure.
+X509Certificate::OSCertHandles CreateOSCertHandlesFromBytes(
+    const char* data,
+    int length,
+    X509Certificate::Format format);
+
+// Reads a single certificate from |pickle_iter| and returns a platform-specific
+// certificate handle. Returns an invalid handle, NULL, on failure.
+X509Certificate::OSCertHandle ReadOSCertHandleFromPickle(
+    PickleIterator* pickle_iter);
+
+// Sets |*size_bits| to be the length of the public key in bits, and sets
+// |*type| to one of the |PublicKeyType| values. In case of
+// |kPublicKeyTypeUnknown|, |*size_bits| will be set to 0.
+void GetPublicKeyInfo(CERTCertificate* handle,
+                      size_t* size_bits,
+                      X509Certificate::PublicKeyType* type);
+
+}  // namespace x509_certificate_nss_util
+}  // namespace net
+
+#endif  // NET_BASE_X509_CERTIFICATE_NSS_UTIL_H_