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192.168.1.100 / T800_MD / 1eb8f53f94c145708b5ea2c6b9b96ea3d613f607 / . / mcu / tools / NVRAMStatistic / src / nvram_hash_check.c
blob: 2a6afe3f6a2a5dfa81cc313417d34cfee57c1e01 [file] [log] [blame]
rjw6c1fd8f2022-11-30 14:33:01 +0800[diff] [blame]1/*****************************************************************************
2* Copyright Statement:
3* --------------------
4* This software is protected by Copyright and the information contained
5* herein is confidential. The software may not be copied and the information
6* contained herein may not be used or disclosed except with the written
7* permission of MediaTek Inc. (C) 2006
8*
9* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
10* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
11* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
12* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
13* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
14* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
15* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
16* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
17* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
18* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
19* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
20* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
21*
22* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
23* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
24* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
25* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
26* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
27*
28* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
29* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
30* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
31* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
32* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
33*
34*****************************************************************************/
35
36/*****************************************************************************
37 *
38 * Filename:
39 * ---------
40 * nvram_hash_check.c
41 *
42 * Project:
43 * --------
44 * UMOLYA
45 *
46 * Description:
47 * ------------
48 * This file is use to check LID hash info correct.
49 *
50 * Author:
51 * -------
52 * -------
53 *
54 *============================================================================
55 * HISTORY
56 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
57 *------------------------------------------------------------------------------
58 * removed!
59 *
60 * removed!
61 * removed!
62 * removed!
63 *
64 * removed!
65 * removed!
66 * removed!
67 *
68 * removed!
69 * removed!
70 * removed!
71 *
72 * removed!
73 * removed!
74 *
75 * removed!
76 * removed!
77 *
78 * removed!
79 * removed!
80 *
81 *
82 *------------------------------------------------------------------------------
83 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
84 *============================================================================
85 ****************************************************************************/
86
87#include <string.h>
88#include "nvram_hash_check.h"
89#include "md5.h"
90
91//#define HASH_CHECK_DEBUG
92
93kal_bool nvram_hash_check(nvram_ltable_entry_struct *ldi) {
94#ifdef __NVRAM_LID_HASH_CHECK__
95 static kal_bool first_print = KAL_TRUE;
96 char strbuf[256] = {0};
97 unsigned char digest[17] = {0};
98 unsigned int hash;
99 MD5_CTX context = {0};
100
101 MD5_Init(&context);
102 sprintf(strbuf, "%d;%s;%s;%s;", ldi->LID, ldi->str_LID, ldi->fileprefix, ldi->fileverno);
103#ifdef HASH_CHECK_DEBUG
104 fprintf(stderr, "debug: %s\n", strbuf);
105#endif
106 MD5_Update(&context, strbuf, strlen(strbuf));
107 MD5_Final(digest, &context);
108#ifdef HASH_CHECK_DEBUG
109 fprintf(stderr, "debug: %02X %02X %02X %02X\n", digest[0], digest[1], digest[2], digest[3]);
110 fprintf(stderr, "debug: %02X %02X %02X %02X\n", digest[4], digest[5], digest[6], digest[7]);
111 fprintf(stderr, "debug: %02X %02X %02X %02X\n", digest[8], digest[9], digest[10], digest[11]);
112#endif
113 hash = (digest[4]<<4 | digest[5]>>4) << 24;
114 hash |= (digest[5]<<4 | digest[6]>>4) << 16;
115 hash |= (digest[6]<<4 | digest[7]>>4) << 8;
116 hash |= (digest[7]<<4 | digest[8]>>4);
117#ifdef HASH_CHECK_DEBUG
118 fprintf(stderr, "debug: 0x%08X\n", hash);
119#endif
120 if(hash != ldi->hash_key) {
121 if(first_print) {
122 fprintf(stderr, "error: Need register LID http://wiki.mediatek.inc/display/NVRAM/How+to+apply+LID+HASH+key\n");
123 fprintf(stderr, "error: This feature is just internal use. Please set NVRAM_LID_HASH_CHECK = FALSE for customer.\n");
124 first_print = KAL_FALSE;
125 }
126 fprintf(stderr, "error: %s (0x%08x) hash key is not match.\n", ldi->str_LID, ldi->hash_key);
127 fprintf(stderr, "debug: %d %s %s %s\n", ldi->LID, ldi->str_LID, ldi->fileprefix, ldi->fileverno);
128 return KAL_FALSE;
129 }
130#endif
131 return KAL_TRUE;
132}