DeviceCheck tvOS xcode16.0 b1

#DeviceCheck.framework

diff -ruN /Applications/Xcode_15.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/DeviceCheck.framework/Headers/DCAppAttestService.h /Applications/Xcode_16.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/DeviceCheck.framework/Headers/DCAppAttestService.h
--- /Applications/Xcode_15.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/DeviceCheck.framework/Headers/DCAppAttestService.h	2024-04-18 07:27:30
+++ /Applications/Xcode_16.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/DeviceCheck.framework/Headers/DCAppAttestService.h	2024-05-30 05:11:58
@@ -168,7 +168,7 @@
 /// calling the
 /// ``DeviceCheck/DCAppAttestService/generateKeyWithCompletionHandler:`` method.
 ///   - clientDataHash: A SHA256 hash of a unique, single-use data block that
-/// embeds a challenge from your server.
+/// embeds a challenge from your server. Should be at least 16 bytes in length.
 ///   - completionHandler: A closure that the method calls upon completion with
 /// the following parameters:
 ///     - `attestationObject`: A statement from Apple about the validity of the key
@@ -211,7 +211,7 @@
 /// calling the
 /// ``DeviceCheck/DCAppAttestService/generateKeyWithCompletionHandler:`` method.
 ///   - clientDataHash: A SHA256 hash of a unique, single-use data block that
-/// represents the client data to be signed with the attested private key.
+/// represents the client data to be signed with the attested private key. Should be at least 16 bytes in length.
 ///   - completionHandler: A closure that the method calls upon completion with
 /// the following parameters:
 ///     - `assertionObject`: A data structure that you send to your server for processing.