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     BALTECH Docs | 
    C API for BALTECH SDK
   
    
   
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| brp_errcode brp_Mif_AuthE2 | ( | brp_protocol | protocol, | 
| unsigned | AuthMode, | ||
| unsigned | Block, | ||
| unsigned | KeyIdx | ||
| ) | 
This command authenticates a certain sector of a card using a key from the secure EEPROM of the Baltech reader chip.
Depending on the value of the AuthMode variable, either key A or key B of the sector specified by the Block variable will be compared to the key specified in KeyIdx.
It is only possible to authenticate one sector at a time.
| [in] | protocol | used to execute the command | 
| [in] | AuthMode | Authentication Mode. 0x60: Key A, 0x61: Key B. | 
| [in] | Block | Block to authenticate. | 
| [in] | KeyIdx | Index of key in EEPROM which shall be used for authentication (range: 0 to 31). |