Dollar sign delimited file containing:

- OTP type (TOTP or HOTP)
- Start Time in UNIX time
- Interval in seconds
- Number of Digits (6-10)
- HMAC Hash Type
- Key (base32 encoded)

Example:
   TOTP$1443408238$30$6$sha1$MFZWMYLTMRTGC43EMZSGIYLRMFSGC43CNRSHC4DLOFRXAYLE

Where:
   1443408238  - Start Time
   30          - Interval
   6           - Size of code in digits
   sha1        - HMAC hash function
   MFZWMYLTMRTGC43EMZSGIYLRMFSGC43CNRSHC4DLOFRXAYLE - base32 encoded key