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https://github.com/rvtr/ctr_eFuse.git
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git-svn-id: file:///Volumes/Transfer/gigaleak_20231201/2020-09-30%20-%20paladin.7z/paladin/ctr_eFuse@100 ff987cc8-cf2f-4642-8568-d52cce064691
410 lines
15 KiB
C
410 lines
15 KiB
C
/* ====================================================================
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* Copyright (c) 1998-2008 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <time.h>
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#include <sys/time.h>
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#include <string.h>
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#ifdef USE_HSM
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#include "cr_hsm_code.h"
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#endif // USE_HSM
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// openssl
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#include <openssl/sha.h>
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#include <openssl/x509.h>
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#include "cr_generate_id.h"
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#include "cr_generate_id_private.h"
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#include "cr_alloc.h"
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static u64 generatingCount = 0; // 現在生成中のID(起動時からの通算)
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int cr_print_flag = 0;
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// generate_id関数のイニシャライズ
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int cr_generate_id_initialize( u8 err_buf[CR_ID_BUF_SIZE] )
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{
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int ret_code = CR_GENID_SUCCESS;
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// 生成カウンタの初期化
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generatingCount = 0;
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// init for error info
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InitErrorInfo();
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#ifdef USE_HSM
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ret_code = hsm_initialize();
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if ( ret_code != CR_GENID_SUCCESS )
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{
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CR_ERR_BUFFER *cr_err_buf = (CR_ERR_BUFFER *)err_buf;
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memset( cr_err_buf, 0, sizeof( CR_ERR_BUFFER ) );
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cr_err_buf->errorCode = ret_code;
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GetErrorInfo( cr_err_buf->callStack, &cr_err_buf->recordSize );
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#ifdef DEBUG_PRINT
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printf( "error(%d), CALL_STACK : %s\n", (int)cr_err_buf->errorCode, cr_err_buf->callStack );
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#endif
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return CR_GENID_FAILED;
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}
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#endif
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return ret_code;
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} // cr_generate_id_initialize
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// generate_id関数のファイナライズ
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int cr_generate_id_finalize( u8 err_buf[CR_ID_BUF_SIZE] )
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{
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int ret_code = CR_GENID_SUCCESS;
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// init for error info
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InitErrorInfo();
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// HSM
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#ifdef USE_HSM
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ret_code = hsm_finalize();
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if ( ret_code != CR_GENID_SUCCESS )
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{
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CR_ERR_BUFFER *cr_err_buf = (CR_ERR_BUFFER *)err_buf;
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memset( cr_err_buf, 0, sizeof( CR_ERR_BUFFER ) );
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cr_err_buf->errorCode = ret_code;
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GetErrorInfo( cr_err_buf->callStack, &cr_err_buf->recordSize );
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#ifdef DEBUG_PRINT
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printf( "error(%d), CALL_STACK : %s\n", (int)cr_err_buf->errorCode, cr_err_buf->callStack );
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#endif
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}
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#endif // USE_HSM
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return ret_code;
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} // cr_generate_id_finalize
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// generate_id 関数
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int cr_generate_id( u32 deviceId[CR_NUM_OF_DEVICEID], u8 id_buf[CR_ID_BUF_SIZE], u8 bondingOption )
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{
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int i;
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int ret_code = CR_GENID_SUCCESS;
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CR_ID_BUFFER *cr_id_buf;
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EC_KEY *deviceKeyPair = NULL;
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// エラー発生時に備えて、エラーバッファの初期化とトータルのID生成カウントセット
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InitErrorInfo();
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generatingCount++;
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#ifdef DEBUG_PRINT
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if( sizeof(CR_ID_BUFFER) != 256 ) {
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printf( "CR_ID_BUFFER size error. %d\n", sizeof(CR_ID_BUFFER) );
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}
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if( sizeof(CR_ERR_BUFFER) != 256 ) {
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printf( "CR_ERR_BUFFER size error. %d\n", sizeof(CR_ERR_BUFFER) );
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}
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#endif
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// ダイジェストアルゴリズムを追加する
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OpenSSL_add_all_digests();
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//--------------------------------------------------------------
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// 暗号処理初期化
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//--------------------------------------------------------------
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// メモリリーク防止のため、オリジナルのアロケータを使用。
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CRYPTO_set_mem_functions(cr_mem_malloc, cr_mem_realloc, cr_mem_free);
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cr_mem_bufmgr_initialize();
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#ifdef MY_CRYPTO_DEBUG
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ERR_load_crypto_strings();
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#endif /* MY_CRYPTO_DEBUG */
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//--------------------------------------------------------------
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// FuseIDバッファに固定データセット
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//--------------------------------------------------------------
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memset(id_buf, 0, CR_ID_BUF_SIZE);
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cr_id_buf = (CR_ID_BUFFER *)id_buf;
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cr_id_buf->magic_number = CR_GEN_ID_MAGICCODE; // HSM使用／未使用でマジックコードが変わる。
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cr_id_buf->version = CR_GEN_ID_VERSION;
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//--------------------------------------------------------------
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// 引数のボンディングオプションをセット
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//--------------------------------------------------------------
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cr_id_buf->bondingOption = bondingOption;
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//--------------------------------------------------------------
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// deviceId セット
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//--------------------------------------------------------------
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for( i = 0 ; i < CR_NUM_OF_DEVICEID ; i++ ) {
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cr_id_buf->deviceId[i] = deviceId[i]; /* deviceId[0] => ec priv key */
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}
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#ifdef DEBUG_PRINT
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if( cr_print_flag ) {
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printf("deviceId:\n");
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printf(" 0x%08x\n", (unsigned int)deviceId[0] );
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printf(" 0x%08x%08x\n", (unsigned int)deviceId[2], (unsigned int)deviceId[1] );
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printf(" 0x%08x%08x\n", (unsigned int)deviceId[4], (unsigned int)deviceId[3] );
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printf("\n");
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}
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#endif /* DEBUG_PRINT */
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//--------------------------------------------------------------
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// タイムスタンプセット
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//--------------------------------------------------------------
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ret_code = GetTimestamp( &cr_id_buf->year,
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&cr_id_buf->month,
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&cr_id_buf->mday,
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&cr_id_buf->hour,
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&cr_id_buf->min,
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&cr_id_buf->sec,
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&cr_id_buf->expiryDate ); // デバイス証明書期限の元データもついでにセットしておく
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if ( ret_code != CR_GENID_SUCCESS ) {
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SetErrorInfo( __FUNCTION__, __LINE__ );
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goto end;
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}
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//--------------------------------------------------------------
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// 乱数を生成してセット
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//--------------------------------------------------------------
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ret_code = GenerateRandom( cr_id_buf->random, CR_RANDOM_LENGTH );
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if ( ret_code != CR_GENID_SUCCESS ) {
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SetErrorInfo( __FUNCTION__, __LINE__ );
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goto end;
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}
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DEBUG_PRINT_ARRAY( "rand:", (const char *)cr_id_buf->random, CR_RANDOM_LENGTH );
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//--------------------------------------------------------------
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// 楕円曲線鍵ペアを生成
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//--------------------------------------------------------------
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ret_code = GenarateECCKeyPair( &deviceKeyPair, cr_id_buf->devicePrivKey );
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if ( ret_code != CR_GENID_SUCCESS ) {
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SetErrorInfo( __FUNCTION__, __LINE__ );
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goto end;
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}
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//--------------------------------------------------------------
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// 生成した鍵ペアをECDSAで動作確認
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//--------------------------------------------------------------
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ret_code = TestECDSA( deviceKeyPair );
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if ( ret_code != CR_GENID_SUCCESS ) {
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goto end;
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}
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//--------------------------------------------------------------
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// デバイス証明書生成 + 署名の付与 + 証明書期限セット
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//--------------------------------------------------------------
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ret_code = GenerateCTRDeviceCert( deviceKeyPair,
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cr_id_buf->deviceId[0],
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cr_id_buf->bondingOption,
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cr_id_buf->deviceCertSign,
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&cr_id_buf->expiryDate );
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if ( ret_code != CR_GENID_SUCCESS ) {
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SetErrorInfo( __FUNCTION__, __LINE__ );
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goto end;
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}
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#if 0
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DEBUG_PRINT_ARRAY( "deviceCertSign:", (const char *)cr_id_buf->deviceCertSign, ECDSA_SIGN_LENGTH );
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#endif
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//--------------------------------------------------------------
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// FuseIDバッファ全体のSHA256ハッシュを算出してセット
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//--------------------------------------------------------------
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SHA256(id_buf, CR_ID_BUF_SIZE - SHA256_DIGEST_LENGTH, cr_id_buf->hash);
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DEBUG_PRINT_ARRAY( "SHA256 Digest:", (const char *)cr_id_buf->hash, SHA256_DIGEST_LENGTH );
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//--------------------------------------------------------------
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// FuseID RAWデータ完成
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//--------------------------------------------------------------
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DEBUG_PRINT_ARRAY( "RAW eFuseID:", (const char *)id_buf, CR_ID_BUF_SIZE );
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#ifdef DEBUG_EFUSE_ID_OUTPUT_FILE
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DebugFileOutput( deviceId[ 0 ], "raw", id_buf, CR_ID_BUF_SIZE );
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#endif // DEBUG_EFUSE_ID_OUTPUT_FILE
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//--------------------------------------------------------------
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// FuseIDバッファ全体をAES or RSAで暗号化
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//--------------------------------------------------------------
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ret_code = EncryptID( id_buf, id_buf, bondingOption );
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if( ret_code != CR_GENID_SUCCESS ) {
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SetErrorInfo( __FUNCTION__, __LINE__ );
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goto end;
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}
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DEBUG_PRINT_ARRAY( "ENC eFuseID:", (const char *)id_buf, CR_ID_BUF_SIZE );
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#ifdef DEBUG_EFUSE_ID_OUTPUT_FILE
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DebugFileOutput( deviceId[ 0 ], "enc", id_buf, CR_ID_BUF_SIZE );
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#endif // DEBUG_EFUSE_ID_OUTPUT_FILE
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//--------------------------------------------------------------
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// 終了処理
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//--------------------------------------------------------------
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end:
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/* id_buf[]にエラーログを書き込む。 */
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// TODO: 仕様をFIXする必要あり -> TORIAEZU version
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if ( ret_code != CR_GENID_SUCCESS )
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{
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CR_ERR_BUFFER *cr_err_buf = (CR_ERR_BUFFER *)id_buf;
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memset( cr_err_buf, 0, sizeof( CR_ERR_BUFFER ) );
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cr_err_buf->totalCount = generatingCount;
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cr_err_buf->magic_number = 0x01234567;
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cr_err_buf->deviceId0 = deviceId[0];
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cr_err_buf->errorCode = ret_code;
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GetErrorInfo( cr_err_buf->callStack, &cr_err_buf->recordSize );
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cr_err_buf->bondingOption = bondingOption;
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#ifdef DEBUG_PRINT
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printf( "CALL_STACK : %s\n", cr_err_buf->callStack );
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#endif
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}
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// リソースの解放
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if ( deviceKeyPair ) EC_KEY_free( deviceKeyPair );
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ERR_remove_state(0);
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EVP_cleanup();
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CRYPTO_cleanup_all_ex_data();
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#ifdef MY_CRYPTO_DEBUG
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ERR_free_strings();
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#endif /* MY_CRYPTO_DEBUG */
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return ret_code; /* success */
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}
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#ifdef DEBUG_PRINT
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void DebugPrintArray( char *pStr, const u8 *pData, int length )
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{
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int i;
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if( cr_print_flag ) {
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printf( "%s", pStr );
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for( i = 0 ; i < length; i++ ) {
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if( (i % 16) == 0 ) printf("\n ");
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printf("%02X ", pData[ i ] );
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}
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printf("\n");
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}
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}
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#endif
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void DebugFileOutput( u32 deviceId, char *pSuffix, const u8 *pSrc, int length )
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{
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if ( cr_print_flag )
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{
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// 証明書の書き込みテスト
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FILE *fp;
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char fn[256];
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sprintf( fn, "output/0x%08x.%s", (unsigned int)deviceId, pSuffix );
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fp = fopen( fn, "wb" );
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fwrite( pSrc, length, 1, fp );
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fclose( fp );
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}
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}
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