custom_nvram_sec.c
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2005
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*****************************************************************************
*
* Filename:
* ---------
* custom_nvram_sec.c
*
* Project:
* --------
* MAUI
*
* Description:
* ------------
* This file is intends for NVRAM security customization.
*
* Author:
* -------
* -------
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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*============================================================================
****************************************************************************/
#if !defined(NVRAM_NOT_PRESENT)
#include <string.h>
#include <stdio.h>
#include "kal_general_types.h"
#include "custom_nvram_sec.h"
#ifdef __NVRAM_SECRET_DATA__
#include "kal_public_api.h"
#endif
#include "nvram_lid_statistics.h" /* NVRAM_SECUPACK_SIZE */
#ifndef __OPTR_NONE__
#include "op_custom_nvram_sec.h"
#endif
extern kal_bool SST_Get_NVRAM_Key(kal_uint32 *p_key, kal_uint32 *p_addr, kal_uint32 *p_len);
/*
* CUST PARA Configuration
*/
#ifdef __CUST_PARA_SUPPORT__
#pragma arm section rodata = "CUST_PARA"
/* WARNING!! DO NOT remove g_CustParaCfg or modify its name */
const CustPara_ST g_CustParaCfg=
{
0xFF
};
#pragma arm section rodata
#pragma arm section zidata = "CUST_PARA_TAIL"
/* WARNING!! DO NOT remove g_CustParaCfg_Tail or modify its name */
kal_uint32 g_CustParaCfg_Tail;
#pragma arm section zidata
#endif /* __CUST_PARA_SUPPORT__ */
#ifdef __NVRAM_SECRET_DATA__
/* Please do not modify this */
#define SECRET_DATA_PADDING_PATTERN {0XE9A4B5A4, 0XEBB973A4, 0XE9A4FAA9, 0X79AC44A5}
/********************************************************************************
* This structure will be protected by chip dependent algorithm
*************************************************************/
#pragma arm section rodata = "PRIMARY_RODATA"
const CUST_SECRET_DATA_ST custom_secret_data =
{
/* This key is used to encrypt the data transfered between metatool and target.
We suggest custom must change this key and make it secretly if possible. */
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
},
/* ------ Custom can add other secret data here -----*/
/* please do not remove this member or modify it, to support AES 16 byte alignment */
SECRET_DATA_PADDING_PATTERN
};
#pragma arm section rodata
#endif
#if defined(NVRAM_AUTO_GEN)
#include "custom_nvram_extra.h" /* SML_STATE_UNLOCK */
/********************************************************************************
* This key is used to encrypt (software) the data with NVRAM_ATTR_CONFIDENTIAL
* in NVRAM , we suggest custom must change this key and make it secretly if possible
*************************************************************/
const kal_uint8 custom_secret_key[NVRAM_SECRET_KEY_SIZE] = {0x31, 0x32, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66};
const kal_uint8 NVRAM_SECURE_PARA[SEC_RO_PARA_TOTAL] =
{
0x01
};
#ifdef __SECURE_USB_DOWNLOAD__
const kal_uint8 custom_symmetric_key[NVRAM_SECRET_KEY_MAX_SIZE] =
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
};
const T_Customer_Public_Key custom_asymmetric_key =
{
2, 64, 0x0051, 8,
{0x0001, 0x0001},
{
0x002A, 0x178D, 0xBCB4, 0xC985, 0xD21E, 0x2A71, 0xDBE4, 0x1E27,
0x29CD, 0x2285, 0x65B3, 0x6596, 0x2B4C, 0x8266, 0x057B, 0xB911,
0x283D, 0x1912, 0xB02D, 0x2B15, 0xB61D, 0x8DB9, 0xC1D9, 0x069C,
0xA352, 0xD7F6, 0x0EAB, 0x46EB, 0xB0CE, 0xAEC5, 0x842C, 0x92B1,
0x94FC, 0xD410, 0x60F5, 0x8F2C, 0x186A, 0x9527, 0xF40A, 0x4DF9,
0xA31D, 0x86C0, 0x7464, 0xB57C, 0x600A, 0xB37A, 0x02FB, 0xD0A6,
0x6399, 0xB779, 0x96A7, 0x9B5E, 0x2E8D, 0x0247, 0xA844, 0x28EE,
0x26B6, 0xAF64, 0x7C49, 0xC924, 0xD8DF, 0x5FBA, 0xEBAA, 0xB74F
}
};
#endif /* __SECURE_USB_DOWNLOAD__ */
/*
* typedef struct {
* kal_uint32 magic_head; -> 4
* sml_category_meta_struct cat[SML_SUPPORT_CAT_SIZE]; -> ( 4 * 7)
* sml_control_key_struct key[SML_SUPPORT_CAT_SIZE]; -> ( 9 * 7)
* kal_uint8 code_cat_n[SML_CFG_CAT_N_SIZE]; -> (30 * 3)
* kal_uint8 code_cat_ns[SML_CFG_CAT_NS_SIZE]; -> (30 * 4)
* kal_uint8 code_cat_sp[SML_CFG_CAT_SP_SIZE]; -> (30 * 4)
* kal_uint8 code_cat_c[SML_CFG_CAT_C_SIZE]; -> (30 * 5)
* kal_uint8 code_cat_sim[SML_CFG_CAT_SIM_SIZE]; -> (30 * 8)
* kal_uint8 code_cat_ns_sp[SML_CFG_CAT_NS_SP_SIZE]; -> ( 5 * 10)
* kal_uint8 code_cat_sim_c[SML_CFG_CAT_SIM_C_SIZE]; -> (10 * 10)
* kal_uint8 range_cat_ns[SML_CAT_NS_RANGE_SIZE]; -> 2
* kal_uint32 magic_tail; -> 4
* } sml_context_struct; -> 971
*/
const nvram_sml_context_struct NVRAM_EF_SML_DEFAULT =
{ SML_MAGIC_HEAD_VALUE,
#ifdef CUSTOM_SML_DEFAULT
CUSTOM_SML_DEFAULT
#else /* CUSTOM_SML_DEFAULT */
{{SML_STATE_UNLOCK,SML_RETRY_COUNT_N_CAT,0,0}, /* Category N */
{SML_STATE_UNLOCK,SML_RETRY_COUNT_NS_CAT ,0,0}, /* Category NS */
{SML_STATE_UNLOCK,SML_RETRY_COUNT_SP_CAT ,0,0}, /* Category SP */
{SML_STATE_UNLOCK,SML_RETRY_COUNT_C_CAT ,0,0}, /* Category C */
{SML_STATE_UNLOCK,SML_RETRY_COUNT_SIM_CAT ,0,0}, /* Category SIM */
{SML_STATE_UNLOCK,SML_RETRY_COUNT_NS_CAT ,0,0}, /* Link NS-SP */
{SML_STATE_UNLOCK,SML_RETRY_COUNT_C_CAT ,0,0}}, /* Link SIM-C */
#ifdef __SP_RIL_SUPPORT__
{{SML_KEY_EMPTY,{0x21,0x43,0x65,0x87,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_EMPTY,{0x65,0x87,0x21,0x43,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_EMPTY,{0x11,0x11,0x22,0x22,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_EMPTY,{0x33,0x33,0x44,0x44,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_EMPTY,{0x55,0x55,0x66,0x66,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_EMPTY,{0x77,0x77,0x88,0x88,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_EMPTY,{0x99,0x99,0x00,0x00,0xFF,0xFF,0xFF,0xFF}}},
#else
{{SML_KEY_SET,{0x21,0x43,0x65,0x87,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_SET,{0x65,0x87,0x21,0x43,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_SET,{0x11,0x11,0x22,0x22,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_EMPTY,{0x33,0x33,0x44,0x44,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_EMPTY,{0x55,0x55,0x66,0x66,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_SET,{0x77,0x77,0x88,0x88,0xFF,0xFF,0xFF,0xFF}},
{SML_KEY_SET,{0x99,0x99,0x00,0x00,0xFF,0xFF,0xFF,0xFF}}},
#endif
/* Category N code */
{0xc1,0xc1,0xc1,
0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF},
/* Category NS code */
{0xc2,0xc2,0xc2,0xc2,
0xFF,0xFF,0xFF,0xFF},
/* Category SP code */
{0xc3,0xc3,0xc3,0xc3,
0xFF,0xFF,0xFF,0xFF},
/* Category C code */
{0xc4,0xc4,0xc4,0xc4,0xc4,
0xFF,0xFF,0xFF,0xFF,0xFF},
/* Category SIM code */
{0xc5,0xc5,0xc5,0xc5,0xc5,0xc5,0xc5,0xc5,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},
/* Link Category NS-SP */
{0xc6,0xc6,0xc6,0xc6,0xc6,
0xFF,0xFF,0xFF,0xFF,0xFF},
/* Link Category SIM-C */
{0xc7,0xc7,0xc7,0xc7,0xc7,0xc7,0xc7,0xc7,0xc7,0xc7,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},
/* NS Range size */
{0xFF,0xFF},
#endif /* CUSTOM_SML_DEFAULT */
SML_MAGIC_TAIL_VALUE
};
/* --Boundry - Custom SecuPack Default Values-- */
/* --Boundry - Custom SecuPack Default Values-- */
#else /* NVRAM_AUTO_GEN */
#include "nvram_sec.h"
/*
* Local variable
*/
// static int X;
static int hashIndex = 0;
/*****************************************************************************
* FUNCTION
* custom_nvram_sec_ro_size
* DESCRIPTION
*
* PARAMETERS
* void
* RETURNS
*
*****************************************************************************/
kal_uint32 custom_nvram_sec_ro_size(void)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
#ifdef __SECURE_RO_ENABLE__
return sizeof(SEC_RO_ST);
#else
return 0;
#endif
}
/*****************************************************************************
* FUNCTION
* custom_nvram_sec_ro_size
* DESCRIPTION
*
* PARAMETERS
* void
* RETURNS
*
*****************************************************************************/
kal_uint32 custom_nvram_secupack_size(void)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
return NVRAM_SECUPACK_SIZE;
}
/*****************************************************************************
* FUNCTION
* custom_nvram_sec_ro_size
* DESCRIPTION
*
* PARAMETERS
* void
* RETURNS
*
*****************************************************************************/
kal_uint32 custom_nvram_key_len(void)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
return NVRAM_SECRET_KEY_SIZE;
}
/*****************************************************************************
* FUNCTION
* IV_generator
* DESCRIPTION
*
* PARAMETERS
* void
* RETURNS
*
*****************************************************************************/
int custom_nvram_IV_generator(void)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
/*
* f(x)=A*|X-B|+C
* if(X>B)
* hashIndex = (A*(X-B)+C)%256;
* else
* hashIndex = (A*(B-X)+C)%256;
*/
return hashIndex;
}
/*****************************************************************************
* FUNCTION
* custom_nvram_get_key
* DESCRIPTION
*
* PARAMETERS
* init_key [?]
* keys [?]
* RETURNS
* void
*****************************************************************************/
void custom_nvram_get_key(char *init_key, unsigned char *keys)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
nvram_get_key(init_key, keys);
}
/*****************************************************************************
* FUNCTION
* custom_nvram_encrypt
* DESCRIPTION
*
* PARAMETERS
* keys [?]
* buffer [?]
* length [IN]
* scrambleIndex [IN]
* RETURNS
* void
*****************************************************************************/
void custom_nvram_encrypt(unsigned char const *keys, unsigned char *buffer, unsigned int length, int scrambleIndex)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
// X = scrambleIndex;
nvram_encrypt(keys, buffer, length, custom_nvram_IV_generator);
}
/*****************************************************************************
* FUNCTION
* custom_nvram_decrypt
* DESCRIPTION
*
* PARAMETERS
* keys [?]
* buffer [?]
* length [IN]
* scrambleIndex [IN]
* RETURNS
* void
*****************************************************************************/
void custom_nvram_decrypt(unsigned char const *keys, unsigned char *buffer, unsigned int length, int scrambleIndex)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
// X = scrambleIndex;
nvram_decrypt(keys, buffer, length, custom_nvram_IV_generator);
}
/*****************************************************************************
* FUNCTION
* custom_nvram_get_database_key
* DESCRIPTION
* to get the custom database key
* PARAMETERS
* key_buffer [OUT] the output buffer to save key
* buffer_size [IN] the size of key buffer
* RETURNS
* 0: Fail
* n: the lenghth of database key
*****************************************************************************/
kal_int32 custom_nvram_get_database_key(kal_uint8 *key_buffer, kal_uint32 buffer_size)
{
#ifdef __NVRAM_SECRET_DATA__
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
CUST_SECRET_DATA_ST* tmp_buffer;
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
if (buffer_size < NVRAM_DATABASE_KEY_SIZE)
{
return 0;
}
buffer_size = sizeof(custom_secret_data);
tmp_buffer = (CUST_SECRET_DATA_ST*) get_ctrl_buffer(buffer_size);
#ifdef __MTK_TARGET__
if (SST_Get_NVRAM_Key((kal_uint32*)&custom_secret_data, (kal_uint32*) tmp_buffer, &buffer_size))
{
memcpy(key_buffer, tmp_buffer->m_custom_database_key, NVRAM_DATABASE_KEY_SIZE);
buffer_size = NVRAM_DATABASE_KEY_SIZE;
}
else
{
buffer_size = 0;
}
#else
memcpy(key_buffer, custom_secret_data.m_custom_database_key, NVRAM_DATABASE_KEY_SIZE);
#endif /* __MTK_TARGET__ */
free_ctrl_buffer((kal_uint8*)tmp_buffer);
return buffer_size;
#else
return 0;
#endif
}
/*****************************************************************************
* FUNCTION
* mmi_sml_auto_key_gen_implemetation
* DESCRIPTION
* automatic key generation
* PARAMETERS
* key [IN]
* RETURNS
* void
*****************************************************************************/
void mmi_sml_auto_key_gen_implemetation(unsigned char *key)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
/* return 1234 as default key */
/* please implement this function for automatic key generation */
/* the generated key length should at least 8 digits and also has null-terminator */
key[0] = 0x31;
key[1] = 0x32;
key[2] = 0x33;
key[3] = 0x34;
key[4] = 0x35;
key[5] = 0x36;
key[6] = 0x37;
key[7] = 0x38;
key[8] = 0;
}
#endif /* NVRAM_AUTO_GEN */
#endif /* !defined(NVRAM_NOT_PRESENT) */