text: /*
  * This header is generated by classdump-dyld 1.0
  * on Sunday, September 27, 2020 at 11:40:47 AM Mountain Standard Time
  * Operating System: Version 14.0 (Build 18A373)
  * Image Source: /System/Library/PrivateFrameworks/IMSharedUtilities.framework/IMSharedUtilities
  * classdump-dyld is licensed under GPLv3, Copyright © 2013-2016 by Elias Limneos.
  */
  
  
  @interface IMNicknameEncryptionHelpers : NSObject
  +(id)_encryptAndTagPlainFields:(id)arg1 withPreKey:(id)arg2 returningRecordTag:(id*)arg3 error:(id*)arg4 ;
  +(id)_randomBytesWithLength:(unsigned long long)arg1 error:(id*)arg2 ;
  +(id)_decryptAndVerifyCipherFields:(id)arg1 withPreKey:(id)arg2 recordTagToVerify:(id)arg3 error:(id*)arg4 ;
  +(id)_encryptPlainFields:(id)arg1 withFieldEncryptionKey:(id)arg2 fieldTaggingKey:(id)arg3 error:(id*)arg4 ;
  +(id)_tagForData:(id)arg1 key:(id)arg2 error:(id*)arg3 ;
  +(id)_recordTagForCipherFields:(id)arg1 recordTaggingKey:(id)arg2 error:(id*)arg3 ;
  +(id)_decryptCipherFields:(id)arg1 withFieldEncryptionKey:(id)arg2 fieldTaggingKey:(id)arg3 error:(id*)arg4 ;
  +(id)_encryptPlainField:(id)arg1 withFieldEncryptionKey:(id)arg2 fieldTaggingKey:(id)arg3 error:(id*)arg4 ;
  +(id)_performOperation:(unsigned)arg1 onData:(id)arg2 withFieldEncryptionKey:(id)arg3 iv:(id)arg4 error:(id*)arg5 ;
  +(id)_fieldTagForFieldName:(id)arg1 cipherData:(id)arg2 IV:(id)arg3 fieldTaggingKey:(id)arg4 error:(id*)arg5 ;
  +(id)_decryptCipherField:(id)arg1 withFieldEncryptionKey:(id)arg2 fieldTaggingKey:(id)arg3 error:(id*)arg4 ;
  +(id)_hmacForData:(id)arg1 key:(id)arg2 ;
  +(id)encryptAndTagPlainFields:(id)arg1 withPreKey:(id)arg2 returningRecordTag:(id*)arg3 error:(id*)arg4 ;
  +(id)decryptAndVerifyCipherFields:(id)arg1 withPreKey:(id)arg2 recordTagToVerify:(id)arg3 error:(id*)arg4 ;
  @end
  
  