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Tspi_TPM_GetRandom(3)							    Tspi_TPM_GetRandom(3)

			    TCG Software Stack Developer's Reference

NAME
       Tspi_TPM_GetRandom - generate a random number on the TPM

SYNOPSIS
       #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_TPM_GetRandom(TSS_HTPM hTPM, UINT32 size, BYTE** random);

DESCRIPTION
       Tspi_TPM_GetRandom gets a good random number for the purpose of generating symmetric keys,
       nonces, or seeding a random number generator.

PARAMETERS
   hTPM
       The hTPM parameter is used to specify the handle of the TPM object. The command to get the
       TPM to test itself will be sent here.

   size
       The size parameter is the number of random bytes requested.

   random
       The  random parameter is a pointer to memory containing the random data. This is where the
       generated number goes. Because this internally allocates  memory,  Tspi_Context_FreeMemory
       should also be used.

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

       TSS_E_INVALID_HANDLE
	      hTPM is not a valid handle.

       TSS_E_INTERNAL_ERROR
	      An internal SW error has been detected.

       TSS_E_BAD_PARAMETER
	      One or more parameters is bad.

CONFORMING TO
       Tspi_TPM_GetRandom conforms to the Trusted Computing Group Software Specification  version
       1.1 Golden

SEE ALSO
       Tspi_Context_FreeMemory(3).

TSS 1.1 				    2004-05-25			    Tspi_TPM_GetRandom(3)
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