[{"data":1,"prerenderedAt":91},["ShallowReactive",2],{"news-\u002Fnews\u002Fjapan-cryptrec-adds-pqc-ciphers-list":3},{"id":4,"title":5,"author":6,"authorTitle":7,"authorUrl":8,"body":9,"canonical":8,"category":43,"date":44,"description":45,"draft":46,"extension":47,"faqs":48,"findingsSource":8,"geo":58,"image":60,"industries":61,"keyFindings":8,"meta":64,"modified":65,"navigation":66,"path":67,"pullquote":8,"recommendations":8,"references":68,"related":72,"seo":79,"seoTitle":80,"signposts":8,"slug":81,"stats":8,"stem":82,"tags":83,"tldr":89,"__hash__":90},"news\u002Fnews\u002Fjapan-cryptrec-adds-pqc-ciphers-list.md","Japan's CRYPTREC Adds Post-Quantum Algorithms to Its Approved Ciphers List","ArcQubit Team","",null,{"type":10,"value":11,"toc":39},"minimark",[12,17,24,27,30,33],[13,14,16],"h2",{"id":15},"japans-cryptrec-adds-post-quantum-algorithms-to-its-ciphers-list","Japan's CRYPTREC adds post-quantum algorithms to its ciphers list",[18,19,20],"p",{},[21,22,23],"strong",{},"2 APRIL 2025, TOKYO",[18,25,26],{},"Japan's cryptography evaluation body, CRYPTREC, issued a post-quantum guideline on 2 April 2025 and revised its Ciphers List on 30 March 2026 to include an ML-KEM table. It is evaluating the signature schemes ML-DSA and SLH-DSA during 2026. Japan is therefore adding post-quantum algorithms to its approved list in stages rather than all at once.",[18,28,29],{},"The Ciphers List carries weight in Japan. It catalogues the cryptographic algorithms recommended for government use, and industry references it widely. Adding ML-KEM, and later the signature schemes, tells Japanese organizations which post-quantum algorithms they can adopt with official backing, which removes a layer of uncertainty from their choices.",[18,31,32],{},"The staging, key establishment first and signatures to follow, mirrors how several other authorities have introduced post-quantum algorithms. Key establishment addresses the more urgent harvest-now-decrypt-later risk, so prioritising ML-KEM makes sense. The 2026 evaluations of ML-DSA and SLH-DSA will complete the picture for signatures once CRYPTREC finishes its assessment.",[18,34,35,38],{},[21,36,37],{},"Why it matters."," CRYPTREC's updates give Japanese organizations an officially backed answer to which post-quantum algorithms to use, starting with ML-KEM. Because industry follows the Ciphers List, the additions ripple beyond government into the wider market. Teams can adopt the listed algorithms now for key establishment and watch the 2026 signature evaluations to complete their post-quantum toolkit.",{"title":7,"searchDepth":40,"depth":40,"links":41},2,[42],{"id":15,"depth":40,"text":16},"Policy","2025-04-02","Japan's CRYPTREC added post-quantum algorithms to its Ciphers List, revised March 2026 with an ML-KEM table, and is evaluating ML-DSA and SLH-DSA in 2026.",false,"md",[49,52,55],{"q":50,"a":51},"What did CRYPTREC do?","CRYPTREC issued a post-quantum guideline on 2 April 2025 and revised its Ciphers List on 30 March 2026 to include an ML-KEM table. It is evaluating ML-DSA and SLH-DSA during 2026, so Japan's approved-cipher list is adding post-quantum algorithms in stages.",{"q":53,"a":54},"What is the CRYPTREC Ciphers List?","The Ciphers List is Japan's catalogue of cryptographic algorithms recommended for government and widely referenced by industry. Adding ML-KEM, and later the signature schemes, tells Japanese organizations which post-quantum algorithms they can adopt with official backing.",{"q":56,"a":57},"When will the signature schemes be added?","CRYPTREC is evaluating ML-DSA and SLH-DSA, the post-quantum signature standards, during 2026. The staged approach, key establishment first and signatures to follow, mirrors how several other authorities have rolled post-quantum algorithms into their recommendations.",[59],"tokyo","\u002Fassets\u002Fog-default.png",[62,63],"Government Facilities","Information Technology",{},"2026-09-02",true,"\u002Fnews\u002Fjapan-cryptrec-adds-pqc-ciphers-list",[69],{"label":70,"url":71},"CRYPTREC, \"Guideline on post-quantum cryptography and revised Ciphers List,\" Apr. 2, 2025; list revised Mar. 30, 2026.","https:\u002F\u002Fwww.cryptrec.go.jp\u002Fen\u002F",[73,76],{"label":74,"url":75},"Japan Sets a 2035 Government Post-Quantum Target","\u002Fnews\u002Fjapan-sets-2035-government-pqc-target",{"label":77,"url":78},"NIST Approves First Three Post-Quantum Standards","\u002Fnews\u002Fnist-approves-first-three-post-quantum-standards",{"title":5,"description":45},"Japan's CRYPTREC Adds PQC to Its Ciphers List","japan-cryptrec-adds-pqc-ciphers-list","news\u002Fjapan-cryptrec-adds-pqc-ciphers-list",[84,85,86,87,88],"post-quantum cryptography","quantum readiness","crypto-agility","PQC migration","for government","Japan's CRYPTREC issued post-quantum guidance in April 2025 and revised its Ciphers List in March 2026 with an ML-KEM table, with ML-DSA and SLH-DSA evaluations in 2026.","E4T48GtckIJsaUQIGHzxLGIPtrnamSIebvxC6AEgKqc",1792182886610]