func (c *CertInfo) PublicKey() []byte {
	data := c.KeyPair().Certificate[0]
	return pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: data})
}
func (c *CertInfo) PublicKey() []byte {
	data := c.KeyPair().Certificate[0]
	return pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: data})
}
// PublicKey is a convenience to encode the underlying public key to ASCII.