How to Change 3DES key, when change key , the PICC always return error code 0x1E

[Marshall]

Refer to the document "AN0945" to modify the secret key, Case 2 to modify the master secret key, and Case 1 to modify the application secret key. The error code 0x1E is always returned.

Change master secret key log:

Send : Indicates that MCU sends to chip
Recv : Indicates that the chip sends to MCU

Send: 04 00 02 79 40

Recv: 05 00 00 00 6D 76

Send: 06 3D 00 01 02 F6 A7

Recv: 1D 3D 00 00 17 01 07 80 66 78 6A 2D 25 04 02 03 20 03 44 03 04 75 77 81 02 04 01 80 FA C9

Send: 09 3E 00 04 02 00 01 00 8D 5A

Recv: 09 3E 00 00 03 F1 00 00 73 C1

Send: 07 21 00 02 0A 00 37 BC

Recv: 0E 21 00 09 AF 69 D3 34 BA 37 56 9D 3E 97 60

Send: 16 21 00 11 AF 88 65 E6 DF 52 B2 3F 46 7F 1F A4 5A 04 A3 A6 87 BA D8

Recv: 0E 21 00 09 00 1D 45 5F 82 01 12 FF 4C 87 72

Send: 1F 21 00 1A C4 00 51 AB D9 71 D1 45 DB 9C C4 D4 5C 5C EB B0 A2 F2 C3 5E FA 66 54 45 18 18 48 6A

Recv: 06 21 00 01 1E 78 DF

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