{"release":"Rel-20","nodes":[{"number":"55.226","type":"TS","title":"3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS","series":55,"status":"Under change control","initial_release":"Rel-6","primary_group":"S3","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2807"}],"edges":[]}