Hello,

If direction is DIR_VERIFY, then the CIPHER_FINAL block must contain the last input data and the signature to verify.

I think the specification must be updated like this:

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Extended Data when Operation is CIPHER_FINAL and direction is not
DIR_VERIFY:
Byte            Data Location
DataChunk       Input Data      // If Location == APDU

When operation is CIPHER_FINAL and direction is DIR_VERIFY, last data chunk must be followed by the signature data to be verified.

Extended Data when Operation is CIPHER_FINAL and direction is DIR_VERIFY:
Byte            Data Location
DataChunk       Input Data      // If Location == APDU
DataChunk       Signature Data  // If Location == APDU

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Bye, Karsten
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