hotp

package module

v0.0.0-...-506b2f7 Latest Latest Go to latest Published: Apr 18, 2020 License: Zlib Imports: 3 Imported by: 0

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Repository

github.com/fabiocolacio/hotp

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Open Source Insights

README ¶

HOTP

A minimal go implementation of the HOTP and TOTP algorithms.

Documentation ¶

Index ¶

func Hotp(key []byte, counter int64, digits int) int
func Totp(key []byte, counter, epoch, duration int64, digits int) int
func Truncate(sum []byte, digits int) int

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Hotp ¶

func Hotp(key []byte, counter int64, digits int) int

Hotp calculates the hotp value for the given counter using the given key. The number of digits for the output code is provided by digits.

func Totp ¶

func Totp(key []byte, counter, epoch, duration int64, digits int) int

Totp calculates a Totp value using the key and number of digits supplied. Counter is the current Unix time, epoch is a relative epoch (can be 0). Duration is how long the code will remain valid (in seconds).

func Truncate ¶

func Truncate(sum []byte, digits int) int

Truncate is the Truncation function for Hotp and Totp code generation defined in RFC 4226. Sum is the 20-byte HMAC-SHA1 output, and digits is the number of digits for the output code.

Types ¶

This section is empty.

Source Files ¶

View all Source files

hotp.go

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