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Author: MIKROE
Last Updated: 2019-10-03
Package Version: 1.0.0.0
mikroSDK Library: 1.0.0.0
Category: Encryption
Downloaded: 360 times
Not followed.
License: MIT license
Secure 5 Click carries the ATECC508A cryptographic coprocessor with secure hardware-based key storage, from Microchip. The ATECC508A includes an EEPROM array which can be used for storage of up to 16 keys, certificates, miscellaneous read/write, read-only or secret data, consumption logging, and security configurations.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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1558430076_secure_5_click_mikroc_other.zip [8.70MB] |
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Library Description
The library demonstrates the operation of the software single wire interface implementation.
Key functions:
int8_t secureswi_init(T_SECURESWI_DIRSET inSet, T_SECURESWI_DIRSET outSet)
- Initialize the SWI interface and pass the pin direction setting functions.void secureswi_sendBytes(uint8_t len,uint8_t *stBuf)
- Encode data buffer and send the data to the SWI bus.void secureswi_receiveBytes(uint8_t len,uint8_t *stBuf)
- Receive and decode data from the SWI bus.Examples description
The application is composed of three sections :
void applicationTask()
{
uint8_t bufferOut[128];
cfg_atsha204a_swi_default.iface_type = ATCA_SWI_IFACE;
cfg_atsha204a_swi_default.devtype = ATSHA204A;
cfg_atsha204a_swi_default.atcaswi.bus = 1;
cfg_atsha204a_swi_default.wake_delay = 2560;
cfg_atsha204a_swi_default.rx_retries = 10;
atcab_init(&cfg_atsha204a_swi_default);
mikrobus_logWrite("Starting test",_LOG_LINE);
memset(bufferOut,0,127);
if (atcab_read_serial_number(bufferOut) == ATCA_SUCCESS)
{
mikrobus_logWrite("rn Serial number: ",_LOG_LINE);
secureswi_printHex(bufferOut,9);
}
else
{
mikrobus_logWrite("rn Reading serial number failed...",_LOG_LINE);
secureswi_printHex(bufferOut,sizeof(bufferOut));
}
Delay_ms (1500);
memset (bufferOut, 0x00, 128);
if (atcab_read_config_zone(bufferOut) == ATCA_SUCCESS)
{
mikrobus_logWrite("rnrn First 32 bytes of device configuration: ",_LOG_LINE);
secureswi_printHex(bufferOut,32);
}
else
{
mikrobus_logWrite("rnrn Reading config zone failed...",_LOG_LINE);
secureswi_printHex(bufferOut,sizeof(bufferOut));
}
while(1)
{
}
}
Other mikroE Libraries used in the example:
Additional notes and informations
Depending on the development board you are using, you may need USB UART click, USB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.