otplib API Documentation / @otplib/core / utils / counterToBytes
Function: counterToBytes()
counterToBytes(
value):Uint8Array
Defined in: packages/core/src/utils.ts:662
Convert counter to 8-byte big-endian array
Per RFC 4226 Section 5.1, the counter value is represented as an 8-byte big-endian (network byte order) unsigned integer.
Parameters
value
number | bigint
The counter value to convert
Returns
Uint8Array
8-byte big-endian array