{"abstract":"The National Institute of Standards and Technology (NIST) announces a workshop on modes of operation for securing data using symmetric key block cipher algorithms, such as the algorithm specified in the draft Advanced Encryption Standard (AES). Interested parties may suggest ideas or submit papers for discussion at the workshop, including proposals of modes of operation, to the address below.","action":"Notice of public workshop.","agencies":[{"raw_name":"DEPARTMENT OF COMMERCE","name":"Commerce Department","id":54,"url":"https://www.federalregister.gov/agencies/commerce-department","json_url":"https://www.federalregister.gov/api/v1/agencies/54","parent_id":null,"slug":"commerce-department"},{"raw_name":"National Institute of Standards and Technology","name":"National Institute of Standards and Technology","id":352,"url":"https://www.federalregister.gov/agencies/national-institute-of-standards-and-technology","json_url":"https://www.federalregister.gov/api/v1/agencies/352","parent_id":54,"slug":"national-institute-of-standards-and-technology"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2001/03/27/01-7497.html","cfr_references":[],"citation":"66 FR 16658","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"The Second Modes of Operation Workshop will be held on August 24, 2001, from 9:00 a.m. to 5:00 p.m.","disposition_notes":null,"docket_ids":[],"dockets":[],"document_number":"01-7497","effective_on":null,"end_page":16659,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2001/03/27/01-7497.xml","html_url":"https://www.federalregister.gov/documents/2001/03/27/01-7497/public-meeting-announcing-a-workshop-for-the-analysis-of-modes-of-operation-for-symmetric-key-block","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/01-7497?publication_date=2001-03-27","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2001-03-27/01-7497/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":24,"last_updated":"2026-09-20 16:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2001-03-27/pdf/01-7497.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2001-03-27","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2001/03/27/01-7497.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":16658,"subtype":null,"title":"Public Meeting Announcing a Workshop for the Analysis of Modes of Operation for Symmetric Key Block Cipher Algorithms","toc_doc":"Symmetric key block cipher algorithms; operation modes analysis; workshop","toc_subject":"Meetings:","topics":[],"type":"Notice","volume":66}