98 lines
5.0 KiB
Plaintext
98 lines
5.0 KiB
Plaintext
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Following is a transcription of the magnetic data encoding standards as used
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on ATM cards, credit cards and other Magnetic strip cards.
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Track: Density: bits/char: total chars on track:
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-----------------------------------------------------------------------------
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Track 1 210 bpi 7 bits/char 79 alphanum. chars
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Track 2 75 bpi 5 bits/char 40 numeric chars
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Track 3 210 bpi 5 bits/char 107 numeric chars
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7 bit/char characters consist of a parity bit, followed by 6 data bits
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5 bit/char characters consist of a parity bit, followed by 4 data bits
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******************************************************************************
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Track 1 as defined by the IATA:
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______________________________________________________________________________
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| SS | FC | PAN | FS | NAME | FS | Additional data | ES |LRC|
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------------------------------------------------------------------------------
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| Primary | | Name. |__ |*Expir. date 4|
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| Account | | 26 alphanumeric| |*Restriction/type 3|
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| Number |___ | characters max | |*Offset or PVN 5|
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| 19 dig. max | ------------------ | Discretionary data |
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--------------- -----------------------
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^
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line 44
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^SS = Start Sentinel (= "%") |
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FS = Field Separator (= "{") no. of chars
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ES = End Sentinel (= "?")
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FC = Format Code
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LRC= Longitudinal Redundancy Check
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* = Required by Visa and Mastercard.
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Note: Mastercard PAN is variable upto 16 digits length, VISA 13 or 16
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digits, including mod 10 check digit.
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******************************************************************************
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Track 2 as defined by the ABA:
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______________________________________________________________________________
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| SS | PAN | FS | Additional data | ES |LRC|
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------------------------------------------------------------------------------
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| Primary | |*Expiration date 4 |
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| Account | |*Restriction or type 3 |
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| Number | |*Offset or PVN 5 |
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| 19 dig. max | | Discretionary data |
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---------------------------- --------------------------------
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^
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SS = Start Sentinel (= 0xb) |
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FS = Field Separator (= 0xd) no. of chars.
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line 67
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^ES = End Sentinel (= 0xf)
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LRC= Longitudinal Redundancy Check
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* = Required by Visa and Mastercard.
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Note: Mastercard PAN is variable upto 16 digits length, VISA 13 or 16
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digits, including mod 10 check digit.
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******************************************************************************
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Track 3 as defined by the TTS: (ISO 4909)
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______________________________________________________________________________
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| SS | FC | PAN | FS |USE AND SECURITY DATA | Additional data |ES|LRC|
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------------------------------------------------------------------------------
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| Primary | |*country code 3 or FS|*First Subsidiary |___
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| Account | | currency code 3 | account number (SAN-1)|
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| Number |___ | currency exponent 1 |___ |___
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| 19 dig. max | | Amount auth. per cycle 4|_____*Second subsidiary|
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--------------- | amount remaining this cycle 4| account number |
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| Cycle begin(validity date 4| (SAN-2) |
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| Cycle length 2| |
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| Reentry count 1| Relay Marker 1 |
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|*PIN control param. 6 or FS | |
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| Interchange control 1|*Cryptogr. check |
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| PAN service restriction 2| Digits 6 or FS |
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| SAN-1 service restriction 2| |
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| SAN-2 service restriction 2| Discretionary |
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|*Expiration date 4 or FS | Data. |
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| Card sequence number 1|-------------------
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|*Card security number 9 or FS |
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--------------------------------
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^
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|_no. of chars.
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* This field is optional. If an optional field is not used, a field separator
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must be encoded.
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SS = Start Sentinel (= 0xb)
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FS = Field Separator (= 0xd)
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ES = End Sentinel (= 0xf)
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FC = Format Code (2 digits)
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LRC= Longitudinal Redundancy Check
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******************************************************************************
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