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Check BCC before writing block 0 #81

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ikarus23 opened this issue Feb 5, 2016 · 3 comments
Closed

Check BCC before writing block 0 #81

ikarus23 opened this issue Feb 5, 2016 · 3 comments
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enhancement
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Todo

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@ikarus23
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ikarus23 commented Feb 5, 2016

maniac98066 wrote:

Please add BCC check before the manufacturer's block write. I bricked two UID writeable cards before I realized that BCC was incorrect.
@ikarus23 ikarus23 mentioned this issue May 15, 2016
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BCC is calculated by XORing the UID (e.g. first 4 bytes).

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Maybe I will add a tool to MCT that is capable of calculating the BCC. Or at least add a link to BCCC.

@ikarus23 ikarus23 added this to the Todo milestone May 16, 2016
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Added in 57ff1a6.

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