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 Copyright (C) 2004 International Business Machines Corporation 
 Written by Kathy Robertson based on the Trusted Computing Group Software Stack Specification Version 1.1 Golden 
 
 
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 "Tspi_Change_Auth" 3 "2004-05-26" "TSS 1.1" "TCG Software Stack Developer's Reference" 
 NAME 
Tspi_ChangeAuth - change the authorization data of an entity. 

 "SYNOPSIS" 
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 #include <tss/platform.h>   #include <tss/tcpa_defines.h>   #include <tss/tcpa_typedef.h>   #include <tss/tcpa_struct.h>   #include <tss/tss_typedef.h>   #include <tss/tss_structs.h>   #include <tss/tspi.h>   "TSS_RESULT Tspi_ChangeAuth(TSS_HOBJECT " hObjectToChange ", TSS_HOBJECT " hParentObject ","   " TSS_HPOLICY " hNewPolicy " );"  
 
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 "DESCRIPTION" 
 
Tspi_ChangeAuth  changes the authorization data (secret) of an entity (object) and assigns the object to the policy object. All classes using secrets provide this method for changing their authorization data. 

 "PARAMETERS" 
 

 hObjectToChange 
Handle of the object to change authorization for. 

 

 hParentObject 
Handle of the parent object wrapping the object addressed by hObjectToChange. 

 

 hNewPolicy 
Handle of the policy object providing the new authorization data. 

 "RETURN CODES" 
 
Tspi_ChangeAuth returns TSS_SUCCESS on success,otherwise one of the following values are returned: 

 
 TSS_E_INVALID_HANDLE - Either hObjectToChange, or hParentObject are not a valid handle.  
 
 TSS_E_INTERNAL_ERROR - An error occurred internal to the TSS.   

 "CONFORMING TO" 
 

 
Tspi_ChangeAuth conforms to the Trusted Computing Group Software Specification version 1.1 Golden 

 "SEE ALSO" 
 

 
Tspi_ChangeAuthAsym(3).