Passport MRZ-Visual Consistency Check and MRZ Validity
Field Verification Result enum
enum | Constant | Description |
0 | RCF_DISABLED | comparison wasn't done, result undefined |
1 | RCF_VERIFIED | verification passed |
2 | RCF_NOT_VERIFIED | verification failed |
3 | RCF_Compare_True | positive comparison result |
4 | RCF_Compare_False | negative comparison result |
Matrix In JSON Result
Interpretation of Matrix
For MRZ data validity, look at index 0; for MRZ-VISUAL consistency check, look at index 5.
Index | Meaning |
0 | MRZ data verification result |
1 | RFID-chip data verification result |
2 | document filling text fields data verification result |
3 | bar-codes data verification result |
4 | MRZ and RFID-chip data comparing result |
5 | MRZ and document filling text fields data comparing result |
6 | MRZ and bar-codes data comparing result |
7 | document filling text fields and RFID-chip data comparing result |
8 | document filling text fields and bar-codes data comparing result |
9 | RFID-chip and bar-codes data comparing result |
Fields To Be Checked for Data Consistency
FieldType | FieldName |
0 | Document class code |
1 | Issuing state code |
2 | Document # |
3 | Date of expiry |
5 | Date of birth |
12 | Sex |
Fields to be Checked for Data Validity
FieldType | FieldName |
80 | Check digit for document number |
81 | Check digit for date of birth |
82 | Check digit for date of expiry |
84 | Final check digit |
Passport MRZ Interpretation
Positions | Length | Meaning |
1–9 | 9 | Passport number |
10 | 1 | Check digit over digits 1–9 |
11–13 | 3 | Nationality (ISO 3166-1 alpha-3 code with modifications) |
14–19 | 6 | Date of birth (YYMMDD) |
20 | 1 | Check digit over digits 14–19 |
21 | 1 | Sex (M, F or < for male, female or unspecified) |
22–27 | 6 | Expiration date of passport (YYMMDD) |
28 | 1 | Check digit over digits 22–27 |
29–42 | 14 | Personal number (may be used by the issuing country as it desires) |
43 | 1 | Check digit over digits 29–42 (may be < if all characters are <) |
44 | 1 | Check digit over digits 1–10, 14–20, and 22–43 |
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