net/cert/x509_util_openssl.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef NET_CERT_X509_UTIL_OPENSSL_H_
   6 #define NET_CERT_X509_UTIL_OPENSSL_H_
   7
   8 #include <openssl/asn1.h>
   9 #include <openssl/x509v3.h>
  10
  11 #include <string>
  12 #include <vector>
  13
  14 #include "base/strings/string_piece.h"
  15 #include "net/base/net_export.h"
  16
  17 namespace base {
  18 class Time;
  19 }  // namespace base
  20
  21 namespace net {
  22
  23 // A collection of helper functions to fetch data from OpenSSL X509 certificates
  24 // into more convenient std / base datatypes.
  25 namespace x509_util {
  26
  27 bool NET_EXPORT ParsePrincipalKeyAndValue(X509_NAME_ENTRY* entry,
  28                                           std::string* key,
  29                                           std::string* value);
  30
  31 bool NET_EXPORT ParsePrincipalKeyAndValueByIndex(X509_NAME* name,
  32                                                  int index,
  33                                                  std::string* key,
  34                                                  std::string* value);
  35
  36 bool NET_EXPORT ParsePrincipalValueByIndex(X509_NAME* name,
  37                                            int index,
  38                                            std::string* value);
  39
  40 bool NET_EXPORT ParsePrincipalValueByNID(X509_NAME* name,
  41                                          int nid,
  42                                          std::string* value);
  43
  44 bool NET_EXPORT ParseDate(ASN1_TIME* x509_time, base::Time* time);
  45
  46 // DER-encodes |x509|, caching the encoding in a structure owned by
  47 // the X509. On success, returns true, and sets |*out_der| to point to
  48 // the encoding. The StringPiece is valid as long as |x509| is not
  49 // freed.
  50 //
  51 // Note: this caches the encoding, so |x509| must not be modified
  52 // after the first call to this function.
  53 bool NET_EXPORT GetDER(X509* x509, base::StringPiece* out_der);
  54
  55 } // namespace x509_util
  56
  57 } // namespace net
  58
  59 #endif  // NET_CERT_X509_UTIL_OPENSSL_H_