Isattacked() - VeriFone MX800 series Programmer's Manual

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EVICE RIVERS

isAttacked()

isAttacked()
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M X 800 S P
ERIES ROGRAMMERS
This function indicates if an attack occurred, causing the loss of the transaction
keys and/or encrypted files. It returns 0 if no attack occurred since the last key
loading or file encryption, otherwise, a value of 1 is returned. It also returns 1 if the
unit has never been loaded with a key and no encrypted file has been written.
Prototype
int isAttacked (void)
Return Values
0 No attack has occurred since keys have been loaded.
1 An attack has occurred. Keys and encrypted file have been lost.
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