User manual

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MS246 User Manual

Field 8: Clear/masked data sent status byte:

Bit 0: 1 —track 1 clear/mask data present.

Bit 1: 1— track 2 clear/mask data present.

Bit 2: 1— track 3 clear/mask data present.

Bit 3: 0— reserved for future use.

Bit 4: 0— reserved for future use.

Bit 5: 0— reserved for future use.

Note 4: Encrypted/Hash data sent status

Field 9: Encrypted data sent status

Bit 0: 1— track 1 encrypted data present.

Bit 1: 1— track 2 encrypted data present.

Bit 2: 1— track 3 encrypted data present.

Bit 3: 1— track 1 hash data present.

Bit 4: 1— track 2 hash data present.

Bit 5: 1— track 3 hash data present.

Bit 6: 1—session ID present.

Bit 7: 1—KSN present.

8.4 DUKPT Level 3 Data Output Original Format

For ISO cards, both masked clear and encrypted data are sent, no clear data will

be sent.

For other cards, only clear data is sent.

A card swipe returns the following data:

Card data is sent out in format of

<STX> = 02h, <ETX> = 03h

<LenL><LenH> is a two-byte length of <Card Data>.

<CheckLRC> is a one-byte exclusive-OR sum calculated for all <Card Data>.

<CheckSum> is a one-byte sum value calculated for all <Card data>.

<Card Data> card data format is shown below.

ISO/ABA Data Output Format:

 card encoding type (0: ISO/ABA, 4: for Raw Mode)

 track status (bit 0,1,2:T1,2,3 decode, bit

3,4,5:T1,2,3 sampling)

 track 1 unencrypted length (1 byte, 0 for no track1 data)

 track 2 unencrypted length (1 byte, 0 for no track2 data)