This class is a simple holder for a key pair (a public key and a
private key).
This class is a simple holder for a key pair (a public key and a private key). It does not enforce any security, and, when initialized, should be treated like a PrivateKey.
Constructs a key pair from the given public key and private key.
Constructs a key pair from the given public key and private key.
Note that this constructor only stores references to the public
and private key components in the generated key pair. This is safe,
because Key objects are immutable.
Parameters: - publicKey - the public key.
- privateKey - the private key.