German Passport validation (Reisepass)

This package describes the validation process of the german passport (Reisepass).

More information can be found at BMI

The document is build from different strings:

String structure

The complete calculation procedure of the id validation can be described like this.

The following structure explains the parts that the passport string will be divided into.

Serialnumber (based on authority code + consecutive number + checksum): 4 mixed characters + 4 mixed characters + 1 digit
Example: C01X0006H1D with
- Authority code (Behördenkennzahl; BKZ) ID: 4 mixed characters ([A-Z0-9]{4})
  Example: C01X
- Consecutive number: 5 digits
  Example: 0006H
- Checksum: 1 digit
  Example: 1
Nationality: 1 uppercase character, usually D for "Deutschland" (= "Germany")
Example: D
Birth (birth date) + checksum: 6 digits + 1 digit
Example: 6408125 with
- 64 is the year of birth
- 08 is the month of birth
- 12 is the day of birth
- 5 is the checksum
Gender 1 uppercase character for the gener (F = female; M = male)
Example: F
Expiry (expire date) + checksum: 6 digits + 1 digit
Example: 2010315 with
- 17 is the year of expiry
- 10 is the month of expiry
- 31 is the day of expiry
- 9 is the checksum
Total checksum: 1 digit
The checksum, with reference to all parts as explained above Example: 0