ChaCha20ParameterSpec

class ChaCha20ParameterSpec : AlgorithmParameterSpec

kotlin.Any
↳	javax.crypto.spec.ChaCha20ParameterSpec

This class specifies the parameters used with the ChaCha20 algorithm.

The parameters consist of a 12-byte nonce and an initial counter value expressed as a 32-bit integer.

This class can be used to initialize a Cipher object that implements the ChaCha20 algorithm.

Summary

Public constructors
`ChaCha20ParameterSpec(nonce: ByteArray!, counter: Int)` Constructs a parameter set for ChaCha20 from the given nonce and counter.

Public methods
Int	`getCounter()` Returns the configured counter value.
ByteArray!	`getNonce()` Returns the nonce value.

ChaCha20ParameterSpec(
    nonce: ByteArray!, 
    counter: Int)

Constructs a parameter set for ChaCha20 from the given nonce and counter.

Parameters
`nonce`	ByteArray!: a 12-byte nonce value
`counter`	Int: the initial counter value

Exceptions
`java.lang.NullPointerException`	if `nonce` is `null`
`java.lang.IllegalArgumentException`	if `nonce` is not 12 bytes in length

fun getCounter(): Int

Returns the configured counter value.

Return
`Int`	the counter value

fun getNonce(): ByteArray!

Returns the nonce value.

Return
`ByteArray!`	the nonce value. This method returns a new array each time this method is called.