[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eChallenge\u003c/code\u003e class in the Confidential Computing v1 API is used to ensure the freshness of attestations.\u003c/p\u003e\n"],["\u003cp\u003eThis class is part of the \u003ccode\u003eGoogle.Cloud.ConfidentialComputing.V1\u003c/code\u003e namespace and can be found in the \u003ccode\u003eGoogle.Cloud.ConfidentialComputing.V1.dll\u003c/code\u003e assembly.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eChallenge\u003c/code\u003e class implements several interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eIt has properties like \u003ccode\u003eCreateTime\u003c/code\u003e and \u003ccode\u003eExpireTime\u003c/code\u003e, both of which are timestamps, \u003ccode\u003eName\u003c/code\u003e (resource name), \u003ccode\u003eChallengeName\u003c/code\u003e, \u003ccode\u003eTpmNonce\u003c/code\u003e, and \u003ccode\u003eUsed\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available of this API is version 1.8.0, while this page specifically covers the 1.7.0 version.\u003c/p\u003e\n"]]],[],null,[]]