public Certificate(Certificate certificate)
	{
		this.serial = certificate.serial;
		this.signatureAlgorithm = certificate.signatureAlgorithm;
		this.validityFrom = certificate.validityFrom;
		this.validityTo = certificate.validityTo;
		this.subjectName = certificate.subjectName;
		this.publicKeyAlgorithm = certificate.publicKeyAlgorithm;
		this.modulus = certificate.modulus;
		this.exponent = certificate.exponent;
	}