TABLE 42 Field Value CLA 0x00 INS 0x82 P1 0x00 P2 0x80 & S, where S is a 5-bit number representing the requested SL Lc Length of key to encrypt challenge Data Encrypted challenge Le 0 [0358] The error and warning identifiers shown in Table 43 can also result from an EXTERNAL AUTHENTICATE command being sent to the CPU card 100B. TABLE 43 Value Meaning 0x63CX Authentication failed: X more attempts a