totp* ( count key hash -- n )
Time-Based One-Time Passwords

Prev:	timestamp>count* ( timestamp secs/count -- count )
Next:	digits ( n digits -- string )

Vocabulary
totp

Inputs

count	a number of time intervals elapsed since a fixed time point
key	a secret key shared between the client and the server
hash	a checksum

Outputs

n

a fixnum

Word description
This is a fully customizable version of totp. To convert a timestamp into the count value, use timestamp>count. n is a positive 31-bit integer. To convert the returned value into a string of a predetermined length, use digits.

See also
totp

Definition

USING: checksums.hmac totp.private ;

IN: totp

: totp* ( count key hash -- n ) hmac-bytes totp-value ;