   pkcs12_pass: '',
                jks_pass: '',
                pkcs12_cert: null,
                jks_cert: null,
                pem_cert: null,
                der_cert: null,
                pkcs7_cert: null,
            },
            show_result: false,
            result_file: [
            ]
        },
        watch: {
            "input.from"(newVal) {
                if(newVal == 'PEM'){
                    this.convert_to = ['PKCS12','PKCS7','DER','JKS'];
                }else i