1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* ssl/s2_enc.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This package is an SSL implementation written 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * by Eric Young (eay@cryptsoft.com). 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The implementation was written so as to conform with Netscapes SSL. 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This library is free for commercial and non-commercial use as long as 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the following conditions are aheared to. The following conditions 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * apply to all code found in this distribution, be it the RC4, RSA, 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * included with this distribution is covered by the same copyright terms 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright remains Eric Young's, and as such any Copyright notices in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the code are not to be removed. 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * If this package is used in a product, Eric Young should be given attribution 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as the author of the parts of the library used. 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This can be in the form of a textual message at program startup or 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in documentation (online or textual) provided with the package. 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the copyright 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in the 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * documentation and/or other materials provided with the distribution. 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this software 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * must display the following acknowledgement: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes cryptographic software written by 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Eric Young (eay@cryptsoft.com)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The word 'cryptographic' can be left out if the rouines from the library 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * being used are not cryptographic related :-). 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. If you include any Windows specific code (or a derivative thereof) from 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the apps directory (application code) you must include an acknowledgement: 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUCH DAMAGE. 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The licence and distribution terms for any publically available version or 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * derivative of this code cannot be changed. i.e. this code cannot simply be 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * copied and put under another distribution licence 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * [including the GNU Public Licence.] 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "ssl_locl.h" 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_SSL2 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint ssl2_enc_init(SSL *s, int client) 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Max number of bytes needed */ 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_CIPHER_CTX *rs,*ws; 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const EVP_CIPHER *c; 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const EVP_MD *md; 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int num; 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 71221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!ssl_cipher_get_evp(s->session,&c,&md,NULL,NULL,NULL)) 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ssl2_return_error(s,SSL2_PE_NO_CIPHER); 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project SSLerr(SSL_F_SSL2_ENC_INIT,SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS); 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(0); 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 77221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ssl_replace_hash(&s->read_hash,md); 78221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ssl_replace_hash(&s->write_hash,md); 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((s->enc_read_ctx == NULL) && 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ((s->enc_read_ctx=(EVP_CIPHER_CTX *) 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)) 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* make sure it's intialized in case the malloc for enc_write_ctx fails 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * and we exit with an error */ 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project rs= s->enc_read_ctx; 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_CIPHER_CTX_init(rs); 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((s->enc_write_ctx == NULL) && 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ((s->enc_write_ctx=(EVP_CIPHER_CTX *) 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)) 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ws= s->enc_write_ctx; 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_CIPHER_CTX_init(ws); 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project num=c->key_len; 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project s->s2->key_material_length=num*2; 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_assert(s->s2->key_material_length <= sizeof s->s2->key_material); 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ssl2_generate_key_material(s) <= 0) 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_assert(c->iv_len <= (int)sizeof(s->session->key_arg)); 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_EncryptInit_ex(ws,c,NULL,&(s->s2->key_material[(client)?num:0]), 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project s->session->key_arg); 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_DecryptInit_ex(rs,c,NULL,&(s->s2->key_material[(client)?0:num]), 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project s->session->key_arg); 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project s->s2->read_key= &(s->s2->key_material[(client)?0:num]); 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project s->s2->write_key= &(s->s2->key_material[(client)?num:0]); 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(1); 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecterr: 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project SSLerr(SSL_F_SSL2_ENC_INIT,ERR_R_MALLOC_FAILURE); 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(0); 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* read/writes from s->s2->mac_data using length for encrypt and 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * decrypt. It sets s->s2->padding and s->[rw]length 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * if we are encrypting */ 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid ssl2_enc(SSL *s, int send) 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_CIPHER_CTX *ds; 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned long l; 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int bs; 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (send) 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ds=s->enc_write_ctx; 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l=s->s2->wlength; 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ds=s->enc_read_ctx; 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l=s->s2->rlength; 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* check for NULL cipher */ 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ds == NULL) return; 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project bs=ds->cipher->block_size; 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* This should be using (bs-1) and bs instead of 7 and 8, but 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * what the hell. */ 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (bs == 8) 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l=(l+7)/8*8; 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_Cipher(ds,s->s2->mac_data,s->s2->mac_data,l); 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid ssl2_mac(SSL *s, unsigned char *md, int send) 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX c; 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char sequence[4],*p,*sec,*act; 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned long seq; 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned int len; 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (send) 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project seq=s->s2->write_sequence; 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sec=s->s2->write_key; 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project len=s->s2->wact_data_length; 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project act=s->s2->wact_data; 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project seq=s->s2->read_sequence; 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sec=s->s2->read_key; 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project len=s->s2->ract_data_length; 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project act=s->s2->ract_data; 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p= &(sequence[0]); 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l2n(seq,p); 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* There has to be a MAC algorithm. */ 177656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_init(&c); 178221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVP_MD_CTX_copy(&c, s->read_hash); 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_DigestUpdate(&c,sec, 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_CIPHER_CTX_key_length(s->enc_read_ctx)); 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_DigestUpdate(&c,act,len); 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* the above line also does the pad data */ 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_DigestUpdate(&c,sequence,4); 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_DigestFinal_ex(&c,md,NULL); 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_cleanup(&c); 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#else /* !OPENSSL_NO_SSL2 */ 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project# if PEDANTIC 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic void *dummy=&dummy; 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project# endif 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 194