Ebyte E104-BT5040U, Руководство пользователя, Страница: 9 / 15

Chengdu Ebyte Electronic Technology Co., Ltd. E104-BT5040U Datasheet
Copyright©2020, Chengdu Ebyte Electronic Technology Co., Ltd.
4.3The Modified Codes
4.3.Public Key(dfu_public_key.c)
#ifdef NRF_DFU_DEBUG_VERSION
/** @brief Public key used to verify DFU images */
__ALIGN ( 4 ) const uint8_t pk [ 64 ] =
{
0x1b , 0x0c , 0xae , 0x9f , 0x22 , 0x80 , 0x60 , 0xa1 , 0x85 , 0xa0 , 0xba , 0x18 , 0xe7 , 0xaf , 0xfc , 0x94 , 0x63 , 0xfb , 0xd2 , 0x58 , 0xac ,
0xde , 0x1c , 0xa0 , 0x1d , 0x2a , 0xd2 , 0x0d , 0x25 , 0x72 , 0x9f , 0x37 ,
0x57 , 0x00 , 0xc4 , 0xf6 , 0x0b , 0x92 , 0x21 , 0x44 , 0x85 , 0x70 , 0x5d , 0xbe , 0x62 , 0x0d , 0x9e , 0x09 , 0x82 , 0x02 , 0xf8 , 0xec ,
0x3b , 0xcd , 0x06 , 0xb5 , 0xc9 , 0x68 , 0xc7 , 0xff , 0x2e , 0xe7 , 0x95 , 0x4a
};
#else
/** @brief Public key used to verify DFU images */
__ALIGN ( 4 ) const uint8_t pk [ 64 ] =
{
0xc2 , 0xdf , 0x7a , 0x7f , 0x4a , 0x64 , 0xcd , 0x56 , 0x63 , 0x77 , 0x82 , 0x94 , 0x49 , 0x70 , 0xe8 , 0x1b , 0x8f , 0x69 , 0x31 , 0xd7 , 0xcb ,
0x71 , 0x0f , 0x2d , 0xcc , 0x03 , 0x7d , 0x6f , 0x26 , 0x14 , 0x1d , 0x32 ,
0x55 , 0xa2 , 0x2f , 0xea , 0x7e , 0x1d , 0xca , 0x52 , 0xa0 , 0x86 , 0x9f , 0xee , 0x16 , 0x43 , 0xc8 , 0x8e , 0x3f , 0xbc , 0xcc , 0xa3 , 0x2b ,
0x36 , 0xe1 , 0x0e , 0xdb , 0xeb , 0x6f , 0x7b , 0x3c , 0x79 , 0x67 , 0x55
};
#endif
4.3.2 Disable Hash value check function
File Routing
：
“nRF5SDK160098a08e2\components\libraries\bootloader\dfu\nrf_dfu_validation.c”. Disable below codes.
err_code = nrf_crypto_ecdsa_verify (& m_verify_context ,
& m_public_key ,
m_init_packet_hash
,
hash_len ,
m_signature ,
sizeof ( m_signature ));
// if (err_code != NRF_SUCCESS)
// {
// NRF_LOG_ERROR("Signature failed (err_code: 0x%x)", err_code);
// NRF_LOG_DEBUG("Signature:");
// NRF_LOG_HEXDUMP_DEBUG(m_signature, sizeof(m_signature));
// NRF_LOG_DEBUG("Hash:");
// NRF_LOG_HEXDUMP_DEBUG(m_init_packet_hash, hash_len);