05-14-2017
awk has automatic type conversion.
The ! operator is a boolean that is rather a number (being 1 or 0) than a string, so there is a decent hint to treat the variable as a number.
In border cases there can be differences between awk versions. E.g. the awk in AIX is a derivate from nawk, where awk in Linux is mostly gawk, but some Linux have mawk that is again little different.
The bottom line is, make the data type clear, e.g. typical casts are
var "" append a null string, result is a string
var+0 add a zero, result is a number
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LEARN ABOUT CENTOS
tspi_key_createmigrationblob
Tspi_Key_CreateMigrationBlob(3) TCG Software Stack Developer's Reference Tspi_Key_CreateMigrationBlob(3)
NAME
Tspi_Key_CreateMigrationBlob - create a key blob suitable for migrating to another 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_Key_CreateMigrationBlob(TSS_HKEY hKeyToMigrate, TSS_HKEY hParentKey,
UINT32 ulMigTicketLength, BYTE* rgbMigTicket,
UINT32* pulRandomLength, BYTE** prgbRandom,
UINT32* pulMigrationBlobLength, BYTE** prgbMigrationBlob);
DESCRIPTION
Tspi_Key_CreateMigrationBlob returns a key blob containing an encrypted section, which will be different depending on the migration scheme
indicated within the migration ticket previously created by the method Tspi_TPM_AuthorizeMigrationTicket().
PARAMETERS
hKeyToMigrate
Handle of the key object to migrate.
hParentKey
Handle to the parent key related to the key addressed by hKeyToMigrate.
ulMigTicketLength
The length (in bytes) of the rgbMigTickey parameter.
rgbMigTicket
Pointer to memory containing the migration ticket (migration public key and its authorization digest).
pulRandomLength
On successful completion this parameter returns the random data length returned at the parameter prgbRandom.
prgbRandom
On successful completion this parameter returns the random data.
pulMigrationBlobLength
On successful completion this parameter returns the length of the migration blob data returned at the parameter prgbMigrationBlob.
prgbMigrationBlob
On successful completion this parameter returns the migration data blob.
RETURN CODES
Tspi_Key_CreateMigrationBlob returns TSS_SUCCESS on success, otherwise one of the following values are returned:
TSS_E_INVALID_HANDLE - Either hKeyToMigrate, hParentKey or rgbMigTicket are invalid parameters.
TSS_E_BAD_PARAMETER - One of the passed parameters is wrong.
TSS_E_KEY_NO_MIGRATION_POLICY - No migration policy picked.
TSS_E_INTERNAL_ERROR - An error occurred internal to the TSS.
CONFORMING TO
Tspi_Key_CreateMigrationBlob conforms to the Trusted Computing Group Software Specification version 1.1 Golden
SEE ALSO
Tspi_Key_CreateKey(3), Tspi_Key_CertifyKey(3).
TSS 1.1 2004-05-26 Tspi_Key_CreateMigrationBlob(3)