lib/TokenFactory.php
public function generateMemoryToken($token, KeyPairReference $keyPair = null)
	{
		return new MemoryToken($token, $this->prepareKeyPair($keyPair));
	}
public function generateMemoryToken($token, KeyPairReference $keyPair = null)
	{
		return new MemoryToken($token, $this->prepareKeyPair($keyPair));
	}
Generates a new memory token object; decrypted token is stored in memory during execution

@param  string 					$token 		Token string to use
@param  KeyPairReference|null	$keyPair 	Key pair to use with encrypting token (optional)
@return TokenInterface Generated token