Specification reference
Defined in: EMV 4.x Book 4 (Cardholder, Attendant & Acquirer Interface), Annex A
Bit-level definitions below follow: EMV 4.4 Book 4, Annex A2, Tables 25–27 — Terminal Capabilities (3 bytes)
Bit & value breakdown
EMV 4.4 Book 4, Annex A2, Tables 25–27 — Terminal Capabilities (3 bytes)
Byte 1 — Card Data Input Capability
b8 = 0x80Manual key entryb6 = 0x20IC with contactsb5–b1RFUReserved for Future UseBits or bytes with no current meaning, reserved by the spec; they must be set to zero. — must be 0Byte 2 — CVM Capability
b7 = 0x40Enciphered PIN for online verification (online PIN)b6 = 0x20Signature (paper)b5 = 0x10Enciphered PIN for offline verification (RSA)b3 = 0x04Online biometric (EMV 4.4)b2 = 0x02Offline biometric (EMV 4.4)b1 = 0x01Enciphered PIN for offline verification (ECC) (EMV 4.4)Byte 3 — Security Capability
b5 = 0x10RFUReserved for Future UseBits or bytes with no current meaning, reserved by the spec; they must be set to zero. — must be 0b3 = 0x04XDA (Extended Data Authentication) (EMV 4.4)b2–b1RFUReserved for Future UseBits or bytes with no current meaning, reserved by the spec; they must be set to zero. — must be 0Example values
E0F8C8Manual/mag/IC input, full CVM set, SDA+DDA+CDA