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Tspi_DAA_IssueInit(3)					 Tspi_DAA_IssueInit(3)

		   TCG Software Stack Developer's Reference

NAME
       Tspi_DAA_IssueInit - initialize the Issuer for a join operation

SYNOPSIS
       #include <tss/tss_typedef.h>
       #include <tss/tss_structs.h>
       #include <tss/tspi.h>

       TSPICALL Tspi_DAA_IssueInit(
	   TSS_HDAA			 hDAA,
	   TSS_HKEY			 issuerAuthPK,
	   TSS_HKEY			 issuerKeyPair,
	   TSS_DAA_IDENTITY_PROOF	 identityProof,
	   UINT32			 capitalUprimeLength,
	   BYTE*			 capitalUprime,
	   UINT32			 daaCounter,
	   UINT32*			 nonceIssuerLength,
	   BYTE**			 nonceIssuer,
	   UINT32*			 authenticationChallengeLength,
	   BYTE**			 authenticationChallenge,
	   TSS_DAA_JOIN_ISSUER_SESSION*	 joinSession
       );

DESCRIPTION
       Tspi_DAA_IssueInit  is a function that is part of the DAA Issuer compo‐
       nent. It's the first function out of 2 in order to issue a DAA  Creden‐
       tial  for  a  TCG Platform. It assumes that the endorsement key and its
       associated credentials are from a genuine and valid TPM.	 (Verification
       of the credentials is a process defined by the TCG Infrastructure WG.)

PARAMETERS
   hDAA
       The hDAA parameter is used to specify the handle of the DAA object.

   issuerAuthPK
       The  issuerAuthPKh parameter is the root authentication (public) key of
       DAA Issuer.

   issuerKeyPair
       The issuerKeyPair parameter is the handle of the main  DAA  Issuer  key
       pair (private and public portion).

   identityProof
       The  identityProof  parameter  is the structure containing endorsement,
       platform and conformance credential of the TPM requesting the DAA  Cre‐
       dential.

   capitalUprimeLength
       The  capitalUprimeLength parameter is the length of capitalUprime which
       is .

   capitalUprime
       The capitalUprime parameter is U'.

   daaCounter
       The daaCounter parameter is the DAA counter.

   nonceIssuerLength
       The nonceIssuerLength  parameter	 is  the  length  of  nonceIssuer  (20
       bytes).

   nonceIssuer
       The nonceIssuer parameter is the nonce of the DAA Issuer.

   authenticationChallengeLength
       The  authenticationChallengeLength parameter is the length of authenti‐
       cationChallenge (256 bytes - DAA_SIZE_NE1).

   authenticationChallenge
       The authenticationChallenge parameter is the second nonce  of  the  DAA
       Issuer that is encrypted by the endorsement public key. It is used as a
       challenge to authenticate the TPM.

   joinSession
       The joinSession parameter is the structure containing the DAA Join ses‐
       sion information.

RETURN CODES
       Tspi_DAA_IssueInit returns TSS_SUCCESS on success, otherwise one of the
       following values is returned:

       TSS_E_INVALID_HANDLE
	      Either the DAA is not valid.

       TSS_E_BAD_PARAMETER

       TSS_E_INTERNAL_ERROR
	      An internal SW error has been detected.

CONFORMING TO
       Tspi_DAA_IssueInit conforms to the  Trusted  Computing  Group  Software
       Specification version 1.2

SEE ALSO
       Tspi_DAA_IssuerKeyVerification(3)

TSS 1.2				  2006-09-04		 Tspi_DAA_IssueInit(3)

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