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Answer:

1. To verify TDES/AES mode, send the c7-33 command via SDK Demo by following the steps below: 

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In the above example, the result is 00 (as shown in step 7), it's on TDES, if it's 01, then it's on AES.

2. To check whether a data encryption key is injected, send the 81-04 02 command with the data 05 first (see screenshot below for steps):

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Then refer to the NEO IDG excerpt below for the response data definition:

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For example, the response highlighted in the screenshot above for the data key slot (05) is 01443054453030:

01: a valid key exists in key slot 5 which is the data encryption key

4430: this is "D0" in ASCII means the key is used to encrypt data

54: This is "T" in ASCII means the reader is on the TDES encryption algorithm

45: This is "E" in ASCII means the key is for Encryption only

3030: This is "00" in ASCII means the key version number is not used no data by following the steps shown in the screenshot below:

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Check the 6th byte (key slot 5) in the Results window, if it is "01", that means the data encryption exists; if it's "00", no data encryption key is injected.

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