IEC IEC63563-9 Edition 1.02025-02 INTERNATIONAL STANDARD Qi Specification version 2.0- Part 9: Authentication Protocol IEC63563-9:2025-02(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2025 IEC, Geneva, Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from copyright or have an enquiry about obtaining additional rights to this publication, piease contact the address below or your local IEC member National Committee for further information. IEC Secretariat Tel.: +41 22 919 02 11 3, rue de Varembe [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies. AboutIEcpublications The technical content of IEC publications iskept under constant review by the IEC.Please make sure that you have the latest edition,a corrigendumoranamendment mighthavebeenpublished. IEC publications search - webstore.iec.ch/advsearchform IEC Products & Services Portal - products.iec.ch The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the varietyofcriteria(reference number,text, technical publications previews, graphical symbols and the glossary. committee, ...). It also gives information on projects, replaced Witha subscription youwill always have access to upto date and withdrawn publications content tailored to your needs. IEc Just Published - webstore.iec.ch/justpublished Electropedia-www.electropedia.org Stay up to date on all new IEC publications. Just Published The world's leading online dictionary on electrotechnology, details all new publications released. Available online and once containing more than 22 500 terminological entries in English a month by email. and French, with equivalent terms in 25 additional languages. Also known as the International Electrotechnical Vocabulary IEC Customer Service Centre - webstore.iec.ch/csc (IEV) online. If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: [email protected]. IEC IEC63563-9 Edition 1.0 2025-02 INTERNATIONAL STANDARD Qi Specification version 2.0 Part 9: Authentication Protocol INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.240.99; 35.240.99 ISBN978-2-8327-0192-8 Warning! Make sure that you obtained this publication from an authorized distributor. ? Registered trademark of the International Electrotechnical Commission