net/android/legacy_openssl.h

   1 // Copyright 2014 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_ANDROID_LEGACY_OPENSSL_H
   6 #define NET_ANDROID_LEGACY_OPENSSL_H
   7
   8 // This file contains a replica of the Android system OpenSSL ABI shipped in
   9 // Android 4.1.x (API level 16). The ABI may not necessarily be compatible with
  10 // the copy of OpenSSL shipped in Chromium. This is used to implement
  11 // RSA_private_encrypt in one of the legacy client auth codepaths.
  12 //
  13 // See https://android.googlesource.com/platform/external/openssl/+/android-4.1.2_r2.1
  14
  15 namespace net {
  16 namespace android {
  17
  18 enum {
  19   ANDROID_EVP_PKEY_RSA = 6,
  20 };
  21
  22 enum {
  23   ANDROID_RSA_PKCS1_PADDING = 1,
  24   ANDROID_RSA_SSLV23_PADDING = 2,
  25   ANDROID_RSA_NO_PADDING = 3,
  26   ANDROID_RSA_PKCS1_OAEP_PADDING = 4,
  27   ANDROID_X931_PADDING = 5,
  28   ANDROID_PKCS1_PSS_PADDING = 6,
  29 };
  30
  31 struct AndroidEVP_PKEY_ASN1_METHOD;
  32 struct AndroidRSA_METHOD;
  33 struct AndroidSTACK;
  34
  35 struct AndroidCRYPTO_EX_DATA {
  36   AndroidSTACK* sk;
  37   int dummy;
  38 };
  39
  40 struct AndroidENGINE {
  41   const char* id;
  42   // Remaining fields intentionally omitted.
  43 };
  44
  45 struct AndroidRSA {
  46   int pad;
  47   long version;
  48   const AndroidRSA_METHOD* meth;
  49   AndroidENGINE* engine;
  50   // Remaining fields intentionally omitted.
  51 };
  52
  53 struct AndroidRSA_METHOD {
  54   const char* name;
  55   int (*rsa_pub_enc)(int flen,
  56                      const unsigned char* from,
  57                      unsigned char* to,
  58                      AndroidRSA* rsa,
  59                      int padding);
  60   int (*rsa_pub_dec)(int flen,
  61                      const unsigned char* from,
  62                      unsigned char* to,
  63                      AndroidRSA* rsa,
  64                      int padding);
  65   int (*rsa_priv_enc)(int flen,
  66                       const unsigned char* from,
  67                       unsigned char* to,
  68                       AndroidRSA* rsa,
  69                       int padding);
  70   int (*rsa_priv_dec)(int flen,
  71                       const unsigned char* from,
  72                       unsigned char* to,
  73                       AndroidRSA* rsa,
  74                       int padding);
  75   // Remaining fields intentionally omitted.
  76 };
  77
  78 struct AndroidEVP_PKEY {
  79   int type;
  80   int save_type;
  81   // Note: this value must NOT be modified using Chromium's CRYPTO_add
  82   // function. That may not necessarily use the same locking implementation as
  83   // system OpenSSL.
  84   int references;
  85   const AndroidEVP_PKEY_ASN1_METHOD* ameth;
  86   AndroidENGINE* engine;
  87   union {
  88     char* ptr;
  89     AndroidRSA* rsa;
  90   } pkey;
  91   int save_parameters;
  92   AndroidSTACK* attributes;
  93 };
  94
  95 }  // namespace android
  96 }  // namespace net
  97
  98 #endif  // NET_ANDROID_LEGACY_OPENSSL_H