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README formatting

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Dionysus 2024-05-12 01:11:14 -04:00
parent 24f4329d7a
commit 38c98022bf
Signed by: acidvegas
GPG Key ID: EF4B922DB85DC9DE
1 changed files with 4 additions and 4 deletions
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README.md
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@ -40,7 +40,7 @@ Reserved for proprietary use of the card issuer
| Field Separator | one character (generally '^') | | Field Separator | one character (generally '^') |
| Expiration date | four characters in the form YYMM. | | Expiration date | four characters in the form YYMM. |
| Service code | three characters | | Service code | three characters |
| Discretionary data | may include Pin Verification Key Indicator (PVKI, 1 character), PIN Verification Value (PVV, 4 characters), Card Verification Value or Card Verification Code (CVV or CVC, 3 characters) | | Discretionary data | may include Pin Verification Key Indicator *(PVKI, 1 character)*, PIN Verification Value *(PVV, 4 characters)*, Card Verification Value or Card Verification Code *(CVV or CVC, 3 characters)* |
| End sentine | one character (generally '?') | | End sentine | one character (generally '?') |
| Longitudinal redundancy check (LRC) | it is one character and a validity character calculated from other data on the track | | Longitudinal redundancy check (LRC) | it is one character and a validity character calculated from other data on the track |
@ -57,9 +57,9 @@ This format was developed by the banking industry *(ABA)*. This track is written
| Item | Description | | Item | Description |
| ----------------------------------- | ----------- | | ----------------------------------- | ----------- |
| Start sentinel | one character (generally ';') | | Start sentinel | 1 byte *(the ; character)* |
| Primary account number (PAN) | up to 19 characters. Usually, but not always, matches the credit card number printed on the front of the card. | | Primary account number (PAN) | up to 19 characters *(may contain spaces sometimes)* |
| Separator | one character (generally '=') | | Separator | 1 byte *(the = character)* |
| Expiration date | four characters in the form YYMM. | | Expiration date | four characters in the form YYMM. |
| Service code | three digits. The first digit specifies the interchange rules, the second specifies authorization processing and the third specifies the range of services | | Service code | three digits. The first digit specifies the interchange rules, the second specifies authorization processing and the third specifies the range of services |
| Discretionary data | as in track one | | Discretionary data | as in track one |