com.arxanfintech.common.crypto

Interface Key

All Known Implementing Classes:

PrivateKey, PublicKey

public interface Key

An ECC public or private key

Method Summary

Modifier and Type	Method and Description
Key	offsetKey(BigInteger offset) Return a key computable for this key with an offset.
byte[]	toByteArray() Safe access to the key's internal representation

Method Detail

toByteArray

byte[] toByteArray()

Safe access to the key's internal representation

Returns:

a copy of the key's internal representation

offsetKey

Key offsetKey(BigInteger offset)

Return a key computable for this key with an offset. Due to a homomorphic property of EC one may compute the offset key of both private and public keys independently such that they build a valid new pair.

Parameters:

offset - offset

Returns:

a key derived of this with an offset.