{"id":4962,"date":"2026-10-01T05:48:18","date_gmt":"2026-10-01T05:48:18","guid":{"rendered":"https:\/\/www.toshiba.eu\/quantum\/?page_id=4962"},"modified":"2026-10-16T12:47:03","modified_gmt":"2026-10-16T12:47:03","slug":"qsn-key-delivery-system-kds","status":"publish","type":"page","link":"https:\/\/www.toshiba.eu\/quantum\/products\/quantum-safe-networking-qsn-platform\/qsn-key-delivery-system-kds\/","title":{"rendered":"QSN Key Delivery System (KDS)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4962\" class=\"elementor elementor-4962\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0a24696 qkd-hero e-flex e-con-boxed e-con e-parent\" data-id=\"0a24696\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a130af1 head50 elementor-widget elementor-widget-heading\" data-id=\"a130af1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">QSN Key Delivery System (KDS)<\/h1>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c630f08 e-flex e-con-boxed e-con e-parent\" data-id=\"c630f08\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e21e54b tq-share-box mt-45ng mobile e-con-full elementor-hidden-desktop elementor-hidden-laptop elementor-hidden-tablet_extra elementor-hidden-tablet elementor-hidden-mobile_extra e-flex e-con e-child\" data-id=\"e21e54b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-35184e1 e-con-full sb-box-inr e-flex e-con e-child\" data-id=\"35184e1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34e0c38 tq-share-btn elementor-widget elementor-widget-button\" data-id=\"34e0c38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 59.45 64.78\" class=\"h-[30px] w-[30px]\"><g><path d=\"m48.4,0c.56.21,1.1.55,1.68.62,4.91.65,9.92,6.36,9.31,12.54-.46,4.69-2.83,8.07-6.95,9.98-4.19,1.93-8.38,1.47-12.16-1.39-.84-.63-1.66-1.67-2.55-1.75-.84-.07-1.76.89-2.65,1.39-3.62,2.08-7.23,4.18-10.86,6.24-.77.44-1.03.82-.74,1.83.61,2.15.55,4.36-.08,6.55-.09.32.13.96.4,1.12,4.21,2.45,8.46,4.82,12.67,7.27,1.09.63,1.78.7,2.82-.28,6.53-6.1,16.59-3.56,19.56,4.87,2.08,5.9-1.43,12.87-7.29,15.04-7.03,2.6-14.17-2.13-15.77-8.79-.52-2.17-.48-4.48.46-6.73-2.47-1.42-4.93-2.85-7.4-4.26-2.17-1.24-4.37-2.43-6.51-3.71-.61-.37-1.02-.32-1.52.09-.64.52-1.31.99-1.95,1.49-6.24,4.86-15.91,1.91-18.27-5.92-2.48-8.23,3.35-15.46,10.89-15.64,3.51-.08,6.42,1.1,8.89,3.46.79.75,1.41.81,2.35.26,4.09-2.42,8.21-4.78,12.34-7.12.85-.48,1.07-.92.82-1.94-1.75-7,3.27-13.65,9.06-14.59.53-.09,1.01-.43,1.51-.65.66,0,1.31,0,1.97,0Zm-8.88,12.22c-.52,5.32,4.54,8.44,8.14,8.42,4.66-.02,7.94-3.76,7.9-8.93-.04-4.3-3.72-7.79-8.18-7.76-3.97.02-8.28,3.5-7.86,8.27Zm0,40.55c-.55,4.7,3.97,8.43,8.19,8.31,3.57-.1,8.07-3.06,7.91-8.58-.13-4.5-3.47-8.03-8.16-8.08-4.05-.04-8.36,3.53-7.93,8.35Zm-19.57-19.97c.09-4.86-3.12-8.33-7.79-8.4-4.95-.08-8.21,3.05-8.32,7.97-.1,4.7,3.13,8.02,7.66,8.29,5.23.31,8.67-4.04,8.45-7.86Z\"><\/path><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Share<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d83431 elementor-share-buttons--view-icon elementor-share-buttons--skin-minimal tq-share-items elementor-absolute elementor-share-buttons--shape-square elementor-grid-0 elementor-share-buttons--color-official elementor-widget elementor-widget-share-buttons\" data-id=\"1d83431\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;}\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_x-twitter\" role=\"button\" tabindex=\"0\" aria-label=\"Share on x-twitter\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-x-twitter\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_facebook\" role=\"button\" tabindex=\"0\" aria-label=\"Share on facebook\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-facebook\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_linkedin\" role=\"button\" tabindex=\"0\" aria-label=\"Share on linkedin\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-linkedin\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_email\" role=\"button\" tabindex=\"0\" aria-label=\"Share on email\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fas fa-envelope\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc33765 elementor-align-left btp-btn qkd elementor-widget elementor-widget-button\" data-id=\"dc33765\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.toshiba.eu\/quantum\/products\/quantum-safe-networking-qsn-platform\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 15 27\" fill=\"none\"><g><path d=\"M-7.92699e-07 13.4991L1.14318 14.7962L12.0189 27L15 24.4067L5.28337 13.5L15 2.5933L12.0189 3.55494e-08L1.14318 12.2038L-7.92699e-07 13.4991Z\" fill=\"currentColor\"><\/path><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">BACK TO QSN<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e081789 qkd-menu elementor-widget elementor-widget-qkd_le_sticky_nav\" data-id=\"e081789\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"qkd_le_sticky_nav.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<nav class=\"sticky-nav\" id=\"sticky-nav-e081789\">\n\t\t\t<ul class=\"sticky-nav-list\" data-sticky-nav=\"e081789\">\n\t\t\t\t\t\t\t\t\t<li class=\"sticky-nav-item\" data-section=\"introduction\">\n\t\t\t\t\t\t<a href=\"#introduction\" class=\"sticky-nav-link\">\n\t\t\t\t\t\t\t<span class=\"sticky-nav-arrow\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 8 14\" width=\"8\" height=\"14\"><path d=\"M1.2 13.7L0 12.5 5.5 7 0 1.5 1.2.3l6.7 6.7-6.7 6.7z\" fill=\"currentColor\"\/><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"sticky-nav-label\">Introduction<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sticky-nav-item\" data-section=\"highlights\">\n\t\t\t\t\t\t<a href=\"#highlights\" class=\"sticky-nav-link\">\n\t\t\t\t\t\t\t<span class=\"sticky-nav-arrow\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 8 14\" width=\"8\" height=\"14\"><path d=\"M1.2 13.7L0 12.5 5.5 7 0 1.5 1.2.3l6.7 6.7-6.7 6.7z\" fill=\"currentColor\"\/><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"sticky-nav-label\">Highlights<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sticky-nav-item\" data-section=\"features\">\n\t\t\t\t\t\t<a href=\"#features\" class=\"sticky-nav-link\">\n\t\t\t\t\t\t\t<span class=\"sticky-nav-arrow\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 8 14\" width=\"8\" height=\"14\"><path d=\"M1.2 13.7L0 12.5 5.5 7 0 1.5 1.2.3l6.7 6.7-6.7 6.7z\" fill=\"currentColor\"\/><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"sticky-nav-label\">Features &amp; Benefits<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sticky-nav-item\" data-section=\"resources\">\n\t\t\t\t\t\t<a href=\"#resources\" class=\"sticky-nav-link\">\n\t\t\t\t\t\t\t<span class=\"sticky-nav-arrow\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 8 14\" width=\"8\" height=\"14\"><path d=\"M1.2 13.7L0 12.5 5.5 7 0 1.5 1.2.3l6.7 6.7-6.7 6.7z\" fill=\"currentColor\"\/><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"sticky-nav-label\">Resources<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d6d7418 e-con-full overview-sec e-flex e-con e-child\" data-id=\"d6d7418\" data-element_type=\"container\" data-e-type=\"container\" id=\"introduction\">\n\t\t<div class=\"elementor-element elementor-element-a12dfe6 tq-share-box mt-45ng elementor-hidden-mobile e-flex e-con-boxed e-con e-child\" data-id=\"a12dfe6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c55468f e-con-full sb-box-inr e-flex e-con e-child\" data-id=\"c55468f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-780c884 tq-share-btn elementor-widget elementor-widget-button\" data-id=\"780c884\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 59.45 64.78\" class=\"h-[30px] w-[30px]\"><g><path d=\"m48.4,0c.56.21,1.1.55,1.68.62,4.91.65,9.92,6.36,9.31,12.54-.46,4.69-2.83,8.07-6.95,9.98-4.19,1.93-8.38,1.47-12.16-1.39-.84-.63-1.66-1.67-2.55-1.75-.84-.07-1.76.89-2.65,1.39-3.62,2.08-7.23,4.18-10.86,6.24-.77.44-1.03.82-.74,1.83.61,2.15.55,4.36-.08,6.55-.09.32.13.96.4,1.12,4.21,2.45,8.46,4.82,12.67,7.27,1.09.63,1.78.7,2.82-.28,6.53-6.1,16.59-3.56,19.56,4.87,2.08,5.9-1.43,12.87-7.29,15.04-7.03,2.6-14.17-2.13-15.77-8.79-.52-2.17-.48-4.48.46-6.73-2.47-1.42-4.93-2.85-7.4-4.26-2.17-1.24-4.37-2.43-6.51-3.71-.61-.37-1.02-.32-1.52.09-.64.52-1.31.99-1.95,1.49-6.24,4.86-15.91,1.91-18.27-5.92-2.48-8.23,3.35-15.46,10.89-15.64,3.51-.08,6.42,1.1,8.89,3.46.79.75,1.41.81,2.35.26,4.09-2.42,8.21-4.78,12.34-7.12.85-.48,1.07-.92.82-1.94-1.75-7,3.27-13.65,9.06-14.59.53-.09,1.01-.43,1.51-.65.66,0,1.31,0,1.97,0Zm-8.88,12.22c-.52,5.32,4.54,8.44,8.14,8.42,4.66-.02,7.94-3.76,7.9-8.93-.04-4.3-3.72-7.79-8.18-7.76-3.97.02-8.28,3.5-7.86,8.27Zm0,40.55c-.55,4.7,3.97,8.43,8.19,8.31,3.57-.1,8.07-3.06,7.91-8.58-.13-4.5-3.47-8.03-8.16-8.08-4.05-.04-8.36,3.53-7.93,8.35Zm-19.57-19.97c.09-4.86-3.12-8.33-7.79-8.4-4.95-.08-8.21,3.05-8.32,7.97-.1,4.7,3.13,8.02,7.66,8.29,5.23.31,8.67-4.04,8.45-7.86Z\"><\/path><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Share<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6688a86 elementor-share-buttons--view-icon elementor-share-buttons--skin-minimal tq-share-items elementor-absolute elementor-share-buttons--shape-square elementor-grid-0 elementor-share-buttons--color-official elementor-widget elementor-widget-share-buttons\" data-id=\"6688a86\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;}\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_x-twitter\" role=\"button\" tabindex=\"0\" aria-label=\"Share on x-twitter\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-x-twitter\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_facebook\" role=\"button\" tabindex=\"0\" aria-label=\"Share on facebook\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-facebook\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_linkedin\" role=\"button\" tabindex=\"0\" aria-label=\"Share on linkedin\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-linkedin\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_email\" role=\"button\" tabindex=\"0\" aria-label=\"Share on email\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fas fa-envelope\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98797f5 inro-qsn elementor-widget elementor-widget-quantum_qkd_overview\" data-id=\"98797f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"quantum_qkd_overview.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<section class=\"quantum-qkd-overview-section\">\n\t\t\t<div class=\"quantum-qkd-overview-container\">\n\t\t\t\t<h2 class=\"quantum-qkd-overview-heading\">Resilient, efficient network-wide key delivery <\/h2>\n\n\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-overview-text\"><p>Quantum-safe networks need to adapt as cryptographic technologies, standards and threats evolve. Toshiba QSN Key Delivery System (KDS) provides an abstracted software layer for delivering quantum-safe keys across different physical network topologies.<\/p><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h3 class=\"quantum-qkd-overview-subheading\">Build resiliency into key delivery<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-overview-text\"><p>Integrated directly within QSN hardware, the KDS combines Quantum Key Distribution (QKD), Post-Quantum Cryptography (PQC) and Diffie-Hellman (DH) key exchange to support hybrid key delivery and a layered, defence-in-depth security approach. This crypto-agile architecture enables organisations to adapt their quantum cryptography strategy as requirements change without being dependent on a single cryptographic technology.<\/p><p>Built for resilience, the KDS uses a distributed architecture with no external servers or single point of failure. Optimised key-delivery routes across the network are assigned automatically, with automatic re-routing to maintain key delivery if the underlying physical path becomes unavailable.<\/p><p>Standards-based interfaces connect quantum-safe keys with the applications and systems that need them. Support for ETSI GS QKD 014, ETSI GS QKD 020 enabling integration with encryptors, applications, other QKD systems and third-party key management environments.<\/p><\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-overview-benefits\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-overview-benefit\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-26b60a0 e-con-full highlights e-flex e-con e-child\" data-id=\"26b60a0\" data-element_type=\"container\" data-e-type=\"container\" id=\"highlights\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a428034 qsn-highlight link elementor-widget elementor-widget-quantum_qkd_highlights\" data-id=\"a428034\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"quantum_qkd_highlights.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<section class=\"quantum-qkd-highlights-section quantum-qkd-highlights-section--ld\">\n\t\t\t<div class=\"quantum-qkd-highlights-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"quantum-qkd-highlights-heading\">Highlights<\/h2>\n\t\t\t\t\n\t\t\t\t<div\n\t\t\t\t\tclass=\"quantum-qkd-highlights\"\n\t\t\t\t\tdata-animate=\"yes\"\n\t\t\t\t\tstyle=\"--qhl-line-color:#c0c0c5;--qhl-highlight-color:#e61e1e;--qhl-text-color:#0f0d0d;--qhl-text-inactive-color:#d0d0d5;\"\n\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-horizontal\">\n\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-line-and-text\">\n\t\t\t\t\t\t\t<div\n\t\t\t\t\t\t\t\tclass=\"quantum-qkd-highlights-line-h\"\n\t\t\t\t\t\t\t\tstyle=\"clip-path: url(#clip-path-horizontal-a428034);\"\n\t\t\t\t\t\t\t><\/div>\n\t\t\t\t\t\t\t<svg width=\"0\" height=\"0\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <!-- viewBox=\"0 0 1061 108\" -->\n  <!-- transform=\"scale(1\/1061 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M557.8,40.1\n\tc-2.4-4.8-6.1-8.9-10.6-11.7c-4.4-2.7-9.6-4.3-15.2-4.3c-7.9,0-15.1,3.2-20.3,8.4c-5.2,5.2-8.4,12.4-8.4,20.3c0,3.7,0.7,7.3,2,10.6\n\tc1.3,3.4,3.3,6.5,5.8,9.1c0.6,0.6,1.5,0.6,2.1,0.1c0.6-0.6,0.6-1.5,0.1-2.1c-2.2-2.3-4-5.1-5.2-8.2c-1.2-2.9-1.8-6.1-1.8-9.5\n\tc0-7.1,2.9-13.6,7.6-18.3c4.7-4.7,11.1-7.6,18.3-7.6c5,0,9.7,1.4,13.6,3.9c4.1,2.5,7.4,6.2,9.6,10.5c0.4,0.7,1.2,1,2,0.7\n\tC557.9,41.7,558.2,40.8,557.8,40.1L557.8,40.1z\" \/>\n      <path class=\"st0\" d=\"M508.3,90v15.5c0,0.8-0.7,1.5-1.5,1.5h-16.1c-0.8,0-1.5-0.7-1.5-1.5V90H485c-0.8,0-1.5-0.7-1.5-1.5\n\tc0-0.4,0.1-0.7,0.4-1l13.7-17c0.5-0.6,1.4-0.7,2.1-0.2c0.1,0.1,0.2,0.2,0.2,0.2l13.8,17.1c0.5,0.6,0.4,1.6-0.2,2.1\n\tc-0.3,0.2-0.6,0.3-0.9,0.3L508.3,90L508.3,90z M505.4,104V88.5c0-0.8,0.7-1.5,1.5-1.5h2.7l-10.7-13.3l-10.7,13.3h2.7\n\tc0.8,0,1.5,0.7,1.5,1.5V104H505.4z M574.7,61.2v44.3c0,0.8-0.7,1.5-1.5,1.5h-16.1c-0.8,0-1.5-0.7-1.5-1.5V61.2h-4.3\n\tc-0.8,0-1.5-0.7-1.5-1.5c0-0.4,0.1-0.7,0.4-1l13.7-17c0.5-0.6,1.4-0.7,2.1-0.2c0.1,0.1,0.2,0.2,0.2,0.2l13.8,17.1\n\tc0.5,0.6,0.4,1.6-0.2,2.1c-0.3,0.2-0.6,0.3-0.9,0.3L574.7,61.2L574.7,61.2z M571.8,104V59.7c0-0.8,0.7-1.5,1.5-1.5h2.7L565.2,45\n\tl-10.7,13.3h2.7c0.8,0,1.5,0.7,1.5,1.5V104H571.8z M541.5,78v27.5c0,0.8-0.7,1.5-1.5,1.5H524c-0.8,0-1.5-0.7-1.5-1.5V78h-4.3\n\tc-0.8,0-1.5-0.7-1.5-1.5c0-0.4,0.1-0.7,0.4-1l13.7-17c0.5-0.6,1.4-0.7,2.1-0.2c0.1,0.1,0.2,0.2,0.2,0.2l13.8,17.1\n\tc0.5,0.6,0.4,1.6-0.2,2.1c-0.3,0.2-0.6,0.3-0.9,0.3L541.5,78L541.5,78z M538.6,104V76.5c0-0.8,0.7-1.5,1.5-1.5h2.7L532,61.8\n\tL521.3,75h2.7c0.8,0,1.5,0.7,1.5,1.5V104H538.6z\" \/>\n      <\/clip-path>\n  <\/defs>\n<\/svg>\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-icons-h\">\n\t\t\t\t\t\t\t\t<span class=\"quantum-qkd-highlights-step-icon icon-step-1\" style=\"--qhl-icon-image:url(&quot;https:\/\/www.toshiba.eu\/quantum\/wp-content\/uploads\/2026\/10\/Icon-placeholder-grey.png&quot;);\" aria-hidden=\"true\"><\/span>\t\t\t\t\t\t\t\t<span class=\"quantum-qkd-highlights-step-icon icon-step-2\" style=\"--qhl-icon-image:url(&quot;https:\/\/www.toshiba.eu\/quantum\/wp-content\/uploads\/2026\/10\/Icon-placeholder-grey.png&quot;);\" aria-hidden=\"true\"><\/span>\t\t\t\t\t\t\t\t<span class=\"quantum-qkd-highlights-step-icon icon-step-3\" style=\"--qhl-icon-image:url(&quot;https:\/\/www.toshiba.eu\/quantum\/wp-content\/uploads\/2026\/10\/Icon-placeholder-grey.png&quot;);\" aria-hidden=\"true\"><\/span>\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-texts\">\n\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-step step-1\">\n\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-text text-1\"><span class=\"head\">Crypto-agile<\/span>\nQKD + PQC + DH key\ndelivery<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-step step-2\">\n\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-text text-2\"><span class=\"head\">Distributed by design<\/span>\nNo external servers required, no single point of failure<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-step step-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-text text-3\"><span class=\"head\">Automated re-routing<\/span>\nResilient key delivery when network paths change<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-vertical\">\n\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-step step-1\">\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-text text-1\"><span class=\"head\">Crypto-agile<\/span>\nQKD + PQC + DH key\ndelivery<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-step step-2\">\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-text text-2\"><span class=\"head\">Distributed by design<\/span>\nNo external servers required, no single point of failure<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-step step-3\">\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-highlights-text text-3\"><span class=\"head\">Automated re-routing<\/span>\nResilient key delivery when network paths change<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div\n\t\t\t\t\t\t\tclass=\"quantum-qkd-highlights-line-v\"\n\t\t\t\t\t\t\tstyle=\"clip-path: url(#clip-path-vertical-a428034);\"\n\t\t\t\t\t\t><\/div>\n\t\t\t\t\t\t<svg width=\"0\" height=\"0\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <defs>\n    <clipPath id=\"clip-path-vertical-a428034\" clipPathUnits=\"objectBoundingBox\" transform=\"scale(0.0081967213 0.0009398496)\">\n\n      <path d=\"M54,306 L54,470 L58,470 L58,306 Z\" fill=\"black\" stroke-width=\"4\" stroke-linecap=\"round\" \/>\n      <path d=\"M54,592 L54,756 L58,756 L58,592 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style=\"--qhl-icon-image:url(&quot;https:\/\/www.toshiba.eu\/quantum\/wp-content\/uploads\/2026\/10\/Icon-placeholder-grey.png&quot;);\" aria-hidden=\"true\"><\/span>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-80e94fa e-con-full features-sec e-flex e-con e-child\" data-id=\"80e94fa\" data-element_type=\"container\" data-e-type=\"container\" id=\"features\">\n\t\t\t\t<div class=\"elementor-element elementor-element-432dde0 fb-sec elementor-widget elementor-widget-quantum_qkd_features\" data-id=\"432dde0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"quantum_qkd_features.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<section class=\"quantum-qkd-features-section\">\n\t\t\t<div\n\t\t\t\tclass=\"quantum-qkd-features-container\"\n\t\t\t\tx-data=\"{ index: 0, images: 1, items: 5, itemPosition: 0, imagePosition: 0, showDiagram: false }\"\n\t\t\t\tx-effect=\"itemPosition = ((index % items) + items) % items; imagePosition = ((index % images) + images) % images;\"\n\t\t\t>\n\t\t\t\t\t\t\t\t\t<h2 class=\"quantum-qkd-features-heading\">Features &amp; Benefits<\/h2>\n\t\t\t\t\n\t\t\t\t<div class=\"quantum-qkd-features-carousel\">\n\t\t\t\t\t<div class=\"quantum-qkd-features-main\">\n\t\t\t\t\t\t<div class=\"quantum-qkd-features-images\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div\n\t\t\t\t\t\t\t\t\tclass=\"quantum-qkd-features-image\"\n\t\t\t\t\t\t\t\t\t:class=\"{ 'is-active': imagePosition === 0 }\"\n\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.toshiba.eu\/quantum\/wp-content\/uploads\/2026\/09\/img_01.jpg\" alt=\"\" \/>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<div class=\"quantum-qkd-features-card\">\n\t\t\t\t\t\t\t<div\n\t\t\t\t\t\t\t\tclass=\"quantum-qkd-features-number\"\n\t\t\t\t\t\t\t\tx-text=\"String(itemPosition + 1).padStart(2, '0')\"\n\t\t\t\t\t\t\t><\/div>\n\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-features-items\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article\n\t\t\t\t\t\t\t\t\t\tclass=\"quantum-qkd-features-item\"\n\t\t\t\t\t\t\t\t\t\t:class=\"{ 'is-active': itemPosition === 0 }\"\n\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"quantum-qkd-features-item-title\">Adaptable to your cryptography needs<\/h4>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-features-item-content\"><p>Combine QKD, PQC and Diffie-Hellman key exchange within a single key delivery architecture. Hybrid key delivery provides a defence-in-depth approach while giving organisations greater flexibility to respond as technologies, standards and security requirements evolve.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article\n\t\t\t\t\t\t\t\t\t\tclass=\"quantum-qkd-features-item\"\n\t\t\t\t\t\t\t\t\t\t:class=\"{ 'is-active': itemPosition === 1 }\"\n\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"quantum-qkd-features-item-title\">Keep keys moving when networks change<\/h4>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-features-item-content\"><p>Optimised key-delivery routes across the network are assigned automatically, with automatic re-routing to maintain key delivery if the underlying physical path becomes unavailable. This helps maintain resilient key delivery without relying on a single network route.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article\n\t\t\t\t\t\t\t\t\t\tclass=\"quantum-qkd-features-item\"\n\t\t\t\t\t\t\t\t\t\t:class=\"{ 'is-active': itemPosition === 2 }\"\n\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"quantum-qkd-features-item-title\">Remove single points of failure<\/h4>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-features-item-content\"><p>The KDS is integrated directly within QSN hardware and operates as a distributed system, removing the need for separate external key-delivery servers. This reduces infrastructure complexity and avoids introducing an additional potential single point of failure.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article\n\t\t\t\t\t\t\t\t\t\tclass=\"quantum-qkd-features-item\"\n\t\t\t\t\t\t\t\t\t\t:class=\"{ 'is-active': itemPosition === 3 }\"\n\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"quantum-qkd-features-item-title\">Integrate with existing systems<\/h4>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-features-item-content\"><p>Standards-based interfaces enable quantum-safe keys to be delivered into established security environments. ETSI GS QKD 014\u00a0 supports delivery to encryptors and applications, while ETSI GS QKD 020 supports interoperability with other key management systems.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article\n\t\t\t\t\t\t\t\t\t\tclass=\"quantum-qkd-features-item\"\n\t\t\t\t\t\t\t\t\t\t:class=\"{ 'is-active': itemPosition === 4 }\"\n\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"quantum-qkd-features-item-title\">Connect across QKD environments<\/h4>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-features-item-content\"><p>Support for standardised key interfaces enables interworking with other QKD systems and Key Management Systems deployed across wider network environments, providing greater flexibility as quantum-safe networks expand.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-features-nav\">\n\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-features-arrow\" @click=\"index--\">\n\t\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 15 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M-7.92699e-07 13.4991L1.14318 14.7962L12.0189 27L15 24.4067L5.28337 13.5L15 2.5933L12.0189 3.55494e-08L1.14318 12.2038L-7.92699e-07 13.4991Z\" fill=\"currentColor\"\/><\/svg>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-features-arrow\" @click=\"index++\">\n\t\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 15 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M15 13.5009L13.8568 12.2038L2.98111 -1.30308e-07L-1.06685e-06 2.5933L9.71663 13.5L-1.13357e-07 24.4067L2.98111 27L13.8568 14.7962L15 13.5009Z\" fill=\"currentColor\"\/><\/svg>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t<template x-teleport=\"body\">\n\t\t\t\t\t<div\n\t\t\t\t\t\tclass=\"quantum-qkd-features-modal\"\n\t\t\t\t\t\tx-cloak\n\t\t\t\t\t\tx-show=\"showDiagram\"\n\t\t\t\t\t\t@click.self=\"showDiagram = false\"\n\t\t\t\t\t\tx-transition:enter=\"transition ease-out duration-300\"\n\t\t\t\t\t\tx-transition:enter-start=\"opacity-0\"\n\t\t\t\t\t\tx-transition:enter-end=\"opacity-100\"\n\t\t\t\t\t\tx-transition:leave=\"transition ease-in duration-300\"\n\t\t\t\t\t\tx-transition:leave-start=\"opacity-100\"\n\t\t\t\t\t\tx-transition:leave-end=\"opacity-0\"\n\t\t\t\t\t>\n\t\t\t\t\t\t<div class=\"quantum-qkd-features-modal-backdrop\" @click=\"showDiagram = false\"><\/div>\n\t\t\t\t\t\t<div class=\"quantum-qkd-features-modal-card\">\n\t\t\t\t\t\t\t<img\n\t\t\t\t\t\t\t\tsrc=\"https:\/\/www.toshiba.eu\/quantum\/wp-content\/uploads\/2026\/09\/qkd-diagram.38e288.png\"\n\t\t\t\t\t\t\t\talt=\"\"\n\t\t\t\t\t\t\t\/>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/template>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-770a476 e-con-full specifications-sec pb80 elementor-hidden-desktop elementor-hidden-laptop elementor-hidden-tablet_extra elementor-hidden-tablet elementor-hidden-mobile_extra elementor-hidden-mobile e-flex e-con e-child\" data-id=\"770a476\" data-element_type=\"container\" data-e-type=\"container\" id=\"specifications\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ae51bd qsn-specs elementor-widget elementor-widget-quantum_qkd_specifications\" data-id=\"4ae51bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"quantum_qkd_specifications.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<section class=\"quantum-qkd-specs-section\">\n\t\t\t<div class=\"quantum-qkd-specs-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"quantum-qkd-specs-heading\">Specifications<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<dl class=\"quantum-qkd-specs-table\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-specs-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dt class=\"quantum-qkd-specs-name\">Model<\/dt>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dd class=\"quantum-qkd-specs-value\">Toshiba QSN Link 1550 \/ Toshiba QSN Link 1310<\/dd>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-specs-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dt class=\"quantum-qkd-specs-name\">Type<\/dt>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dd class=\"quantum-qkd-specs-value\">QKD transmitter and receiver pair<\/dd>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-specs-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dt class=\"quantum-qkd-specs-name\">Primary applications<\/dt>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dd class=\"quantum-qkd-specs-value\">Data centre interconnect<\/dd>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-specs-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dt class=\"quantum-qkd-specs-name\">Quantum and optical channel<\/dt>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dd class=\"quantum-qkd-specs-value\"><ul>\n    <li>Protocol: Toshiba T12 (efficient BB84 with decoy states and phase encoding)<\/li>\n    <li>Quantum wavelength: C band 1550 nm \/ O band 1310 nm<\/li>\n    <li>Classical wavelengths: 1530.33 nm (channel 59) and 1529.55 nm (channel 60); SFP\u2019s are changeable to any C-band channel aligned to the ITU-T grid between 1530 nm and 1565 nm<\/li>\n    <li>Fiber requirement: Two fibre or single fibre operation (with 1310 nm variant and QSN Multiplexer)<\/li>\n    <li>Entropy source: QRNG<\/li>\n<\/ul><\/dd>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-specs-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dt class=\"quantum-qkd-specs-name\">Performance<\/dt>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dd class=\"quantum-qkd-specs-value\"><ul>\n    <li>Secret bit rate: 150 kbps at 10 dB (specified), 300 kbps (typical)<\/li>\n    <li>Maximum loss budget: 30 dB<\/li>\n    <li>Maximum distance: 150 km (1550 nm), 90 km (1310 nm)<\/li>\n    <li>Security parameter: &lt;1 \u00d7 10\u207b\u00b9\u2070<\/li>\n<\/ul><\/dd>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-specs-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dt class=\"quantum-qkd-specs-name\">Monitoring and security<\/dt>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dd class=\"quantum-qkd-specs-value\"><ul>\n    <li>Management: SNMP v2\/v3, GUI, CLI, REST API<\/li>\n    <li>Interfaces: 2 \u00d7 LC optical (TX\/RX), 2 \u00d7 SFP QKD service channels), 2 \u00d7 RJ45 for management and key delivery, 2 \u00d7 SFP (for optional optical management and key delivery interface), VGA and 2 \u00d7 USB for local access<\/li>\n    <li>Tamper detection: hardware-based with alarming<\/li>\n    <li>Key delivery \/ SDN: ETSI GS QKD 014, Cisco SKIP (optional), ETSI GS QKD 015<\/li>\n<\/ul><\/dd>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-specs-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dt class=\"quantum-qkd-specs-name\">Key management<\/dt>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dd class=\"quantum-qkd-specs-value\">Optional integrated Key Delivery System for network-wide key delivery<\/dd>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-specs-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dt class=\"quantum-qkd-specs-name\">Physical and environmental<\/dt>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dd class=\"quantum-qkd-specs-value\"><ul>\n    <li>Form factor: 19-inch rack, 2U<\/li>\n    <li>Dimensions: 482 \u00d7 606 \u00d7 87 mm<\/li>\n    <li>Power: 1+1 redundant hot-swappable PSU (100\u2013240 VAC or \u201348 VDC)<\/li>\n    <li>Temperature: operating 10\u00b0C to 35\u00b0C; non-operating \u201310\u00b0C to 60\u00b0C<\/li>\n    <li>Humidity: operating up to 80% RH; non-operating up to 90% RH<\/li>\n    <li>Connectors: LC\/PC<\/li>\n<\/ul><\/dd>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-specs-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dt class=\"quantum-qkd-specs-name\">Standards<\/dt>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<dd class=\"quantum-qkd-specs-value\">CE, FCC, FDA, ICES, VCCI, IEC 62368-1, IEC 60825-1\/-2, IEC 63000, others TBA<\/dd>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/dl>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8c7f138 e-con-full e-flex e-con e-child\" data-id=\"8c7f138\" data-element_type=\"container\" data-e-type=\"container\" id=\"resources\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4018326 resources-sec elementor-widget elementor-widget-quantum_qkd_resources\" data-id=\"4018326\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"quantum_qkd_resources.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<section class=\"quantum-qkd-resources-section\">\n\t\t\t<div class=\"quantum-qkd-resources-container\">\n\t\t\t\t<div class=\"quantum-qkd-resources-header\">\n\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"quantum-qkd-resources-heading\">Latest Toshiba QSN Resources<\/h2>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-header-btn\">\n\t\t\t\t\t\t\t<a\n\t\t\t\t\t\t\t\thref=\"\/quantum\/resources\/?product=qsn-key-delivery-system-kds\"\n\t\t\t\t\t\t\t\tclass=\"quantum-qkd-resources-button\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t>ALL RESOURCES<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-carousel\" x-data=\"{ currentPage: 0 }\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-pager\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div\n\t\t\t\t\t\t\t\t\tclass=\"quantum-qkd-resources-pager-dot\"\n\t\t\t\t\t\t\t\t\t:class=\"{ 'is-active': currentPage === 0 }\"\n\t\t\t\t\t\t\t\t\t@click=\"currentPage = 0\"\n\t\t\t\t\t\t\t\t>1<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div\n\t\t\t\t\t\t\t\t\tclass=\"quantum-qkd-resources-pager-dot\"\n\t\t\t\t\t\t\t\t\t:class=\"{ 'is-active': currentPage === 1 }\"\n\t\t\t\t\t\t\t\t\t@click=\"currentPage = 1\"\n\t\t\t\t\t\t\t\t>2<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div\n\t\t\t\t\t\t\t\t\tclass=\"quantum-qkd-resources-pager-dot\"\n\t\t\t\t\t\t\t\t\t:class=\"{ 'is-active': currentPage === 2 }\"\n\t\t\t\t\t\t\t\t\t@click=\"currentPage = 2\"\n\t\t\t\t\t\t\t\t>3<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"quantum-qkd-resources-pages\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div\n\t\t\t\t\t\t\t\tclass=\"quantum-qkd-resources-grid\"\n\t\t\t\t\t\t\t\t:class=\"{\n\t\t\t\t\t\t\t\t\t'is-active': currentPage === 0,\n\t\t\t\t\t\t\t\t\t'is-hidden': currentPage !== 0\t\t\t\t\t\t\t\t}\"\n\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"quantum-qkd-resources-card\">\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-card-meta\">\n\t\t\t\t\t<span class=\"quantum-qkd-resources-card-pill\">Whitepaper<\/span>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"quantum-qkd-resources-card-main\">\n\t\t\t\t<div class=\"quantum-qkd-resources-card-body\">\n\t\t\t\t\t<h3 class=\"quantum-qkd-resources-card-title\">Hungary&#8217;s First Multi-Link Quantum Key Distribution Network<\/h3>\n\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-card-excerpt\">Toshiba has worked with Magyar Telekom and other partners to deploy Hungary&#039;s first multi-node QKD network, paving the way for further implementations across Europe as&hellip;<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-card-tags\"><a href=\"https:\/\/www.toshiba.eu\/quantum\/tag\/magyar-telekom\/\">#Magyar Telekom<\/a><a href=\"https:\/\/www.toshiba.eu\/quantum\/tag\/qkd\/\">#QKD<\/a><a href=\"https:\/\/www.toshiba.eu\/quantum\/tag\/quantum-secure-networking\/\">#Quantum-Secure Networking<\/a><a href=\"https:\/\/www.toshiba.eu\/quantum\/tag\/telecoms\/\">#Telecoms<\/a><\/div>\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"quantum-qkd-resources-card-spacer\"><\/div>\n\n\t\t\t\t\t<div class=\"quantum-qkd-resources-card-footer\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.toshiba.eu\/quantum\/wp-content\/uploads\/2026\/01\/NB_Toshiba_Whitepaper_A4_new-Magyar-Telekom_Online_6pager.pdf\" class=\"quantum-qkd-resources-card-btn\">\n\t\t\t\t\t\t\tREAD MORE\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"quantum-qkd-resources-card\">\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-card-meta\">\n\t\t\t\t\t<span class=\"quantum-qkd-resources-card-pill\">Whitepaper<\/span>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"quantum-qkd-resources-card-main\">\n\t\t\t\t<div class=\"quantum-qkd-resources-card-body\">\n\t\t\t\t\t<h3 class=\"quantum-qkd-resources-card-title\">Quantum Key Distribution and Blockchain (PDF, 1 MB)<\/h3>\n\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-card-excerpt\">The power of quantum computing technology can challenge the security of any system reliant on certain mathematical algorithms, meaning it could undermine the security that&hellip;<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-card-tags\"><a href=\"https:\/\/www.toshiba.eu\/quantum\/tag\/blockchain\/\">#blockchain<\/a><a href=\"https:\/\/www.toshiba.eu\/quantum\/tag\/ciena\/\">#Ciena<\/a><a href=\"https:\/\/www.toshiba.eu\/quantum\/tag\/jpmorgan-chase\/\">#JPMorgan Chase<\/a><a href=\"https:\/\/www.toshiba.eu\/quantum\/tag\/qkd\/\">#QKD<\/a><a href=\"https:\/\/www.toshiba.eu\/quantum\/tag\/quantum-key-distribution\/\">#Quantum Key Distribution<\/a><\/div>\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"quantum-qkd-resources-card-spacer\"><\/div>\n\n\t\t\t\t\t<div class=\"quantum-qkd-resources-card-footer\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.toshiba.eu\/quantum\/wp-content\/uploads\/2023\/03\/Toshiba_QKD_Blockchain_White_Paper.pdf\" class=\"quantum-qkd-resources-card-btn\">\n\t\t\t\t\t\t\tREAD MORE\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div\n\t\t\t\t\t\t\t\tclass=\"quantum-qkd-resources-grid\"\n\t\t\t\t\t\t\t\t:class=\"{\n\t\t\t\t\t\t\t\t\t'is-active': currentPage === 1,\n\t\t\t\t\t\t\t\t\t'is-hidden': currentPage !== 1\t\t\t\t\t\t\t\t}\"\n\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"quantum-qkd-resources-card\">\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-card-meta\">\n\t\t\t\t\t<span class=\"quantum-qkd-resources-card-pill\">Whitepaper<\/span>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"quantum-qkd-resources-card-main\">\n\t\t\t\t<div class=\"quantum-qkd-resources-card-body\">\n\t\t\t\t\t<h3 class=\"quantum-qkd-resources-card-title\">[EXTERNAL] Experimental quantum key distribution beyond the repeaterless secret key capacity (Nature)<\/h3>\n\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"quantum-qkd-resources-card-spacer\"><\/div>\n\n\t\t\t\t\t<div class=\"quantum-qkd-resources-card-footer\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nature.com\/articles\/s41566-019-0377-7\" class=\"quantum-qkd-resources-card-btn\">\n\t\t\t\t\t\t\tREAD MORE\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"quantum-qkd-resources-card\">\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-card-meta\">\n\t\t\t\t\t<span class=\"quantum-qkd-resources-card-pill\">Whitepaper<\/span>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"quantum-qkd-resources-card-main\">\n\t\t\t\t<div class=\"quantum-qkd-resources-card-body\">\n\t\t\t\t\t<h3 class=\"quantum-qkd-resources-card-title\">[EXTERNAL] Overcoming the rate\u2013distance limit of quantum key distribution without quantum repeaters (Nature)<\/h3>\n\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"quantum-qkd-resources-card-spacer\"><\/div>\n\n\t\t\t\t\t<div class=\"quantum-qkd-resources-card-footer\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nature.com\/articles\/s41586-018-0066-6\" class=\"quantum-qkd-resources-card-btn\">\n\t\t\t\t\t\t\tREAD MORE\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div\n\t\t\t\t\t\t\t\tclass=\"quantum-qkd-resources-grid\"\n\t\t\t\t\t\t\t\t:class=\"{\n\t\t\t\t\t\t\t\t\t'is-active': currentPage === 2,\n\t\t\t\t\t\t\t\t\t'is-hidden': currentPage !== 2\t\t\t\t\t\t\t\t}\"\n\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"quantum-qkd-resources-card\">\n\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-card-meta\">\n\t\t\t\t\t<span class=\"quantum-qkd-resources-card-pill\">Whitepaper<\/span>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"quantum-qkd-resources-card-main\">\n\t\t\t\t<div class=\"quantum-qkd-resources-card-body\">\n\t\t\t\t\t<h3 class=\"quantum-qkd-resources-card-title\">[EXTERNAL] A Quantum Light-Emitting Diode for the Standard Telecom Window Around 1,550\u2009nm (Nature)<\/h3>\n\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"quantum-qkd-resources-card-spacer\"><\/div>\n\n\t\t\t\t\t<div class=\"quantum-qkd-resources-card-footer\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nature.com\/articles\/s41467-018-03251-7\" class=\"quantum-qkd-resources-card-btn\">\n\t\t\t\t\t\t\tREAD MORE\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"quantum-qkd-resources-spacer\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>QSN Key Delivery System (KDS) Share BACK TO QSN Introduction Highlights Features &amp; Benefits Resources Share Resilient, efficient network-wide key [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4624,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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