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<meta name="DC.Title" content="Example: ILE C program for allocating a Coprocessor" />
<meta name="abstract" content="Change this program example to suit your needs for allocating a Coprocessor." />
<meta name="description" content="Change this program example to suit your needs for allocating a Coprocessor." />
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<title>Example: ILE C program for allocating a Coprocessor</title>
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<body id="crpallocc"><a name="crpallocc"><!-- --></a>
<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
<h1 class="topictitle1">Example: ILE C program for allocating a Coprocessor</h1>
<div><p>Change this program example to suit your needs for allocating a
Coprocessor.</p>
<div class="section"><div class="p"><div class="note"><span class="notetitle">Note:</span> Read the <a href="codedisclaimer.htm#codedisclaimer">Code license and disclaimer information</a> for
important legal information.</div>
</div>
</div>
<div class="example"> <pre>/*-------------------------------------------------------------------*/
/* Allocate a crypto device to the job. */
/* */
/* */
/* COPYRIGHT 5769-SS1 (C) IBM CORP. 2000, 2000 */
/* */
/* This material contains programming source code for your */
/* consideration. These examples have not been thoroughly */
/* tested under all conditions. IBM, therefore, cannot */
/* guarantee or imply reliability, serviceability, or function */
/* of these program. All programs contained herein are */
/* provided to you "AS IS". THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* ARE EXPRESSLY DISCLAIMED. IBM provides no program services for */
/* these programs and files. */
/* */
/* */
/* Note: Input format is more fully described in Chapter 2 of */
/* IBM CCA Basic Services Reference and Guide */
/* (SC31-8609) publication. */
/* */
/* Parameters: */
/* none. */
/* */
/* Example: */
/* CALL PGM(CRPALLOC) (CRP02) */
/* */
/* */
/* The Common Cryptographic Architecture (CCA) verb used is */
/* Cryptographic_Resource_Allocate (CSUACRA). */
/* */
/* Use these commands to compile this program on the system: */
/* ADDLIBLE LIB(QCCA) */
/* CRTCMOD MODULE(CRPALLOC) SRCFILE(SAMPLE) */
/* CRTPGM PGM(CRPALLOC) MODULE(CRPALLOC) */
/* BNDSRVPGM(QCCA/CSUACRA) */
/* */
/* Note: Authority to the CSUACRA service program in the */
/* QCCA library is assumed. */
/* */
/*-------------------------------------------------------------------*/
#include &lt;string.h&gt;
#include &lt;stdio.h&gt;
#include "csucincl.h"
/*-------------------------------------------------------------------*/
/* standard return codes */
/*-------------------------------------------------------------------*/
#define ERROR -1
#define OK 0
#define WARNING 4
int main(int argc, char *argv[])
{
/*-------------------------------------------------------------------*/
/* standard CCA parameters */
/*-------------------------------------------------------------------*/
long return_code = 0;
long reason_code = 0;
long exit_data_length = 2;
char exit_data[4];
char rule_array[2][8];
long rule_array_count = 2;
long resource_name_length;
/*-------------------------------------------------------------------*/
/* Process the parameters */
/*-------------------------------------------------------------------*/
if (argc &lt; 1)
{
printf("Device parameter must be specified.\n");
return(ERROR);
}
/*-------------------------------------------------------------------*/
/* Set the keyword in the rule array */
/*-------------------------------------------------------------------*/
memcpy(rule_array,"DEVICE ",8);
rule_array_count = 1;
/*-------------------------------------------------------------------*/
/* Set the resource name length */
/*-------------------------------------------------------------------*/
resource_name_length = strlen(argv[1]);
/*-------------------------------------------------------------------*/
/* Call Cryptographic Resource Allocate SAPI */
/*-------------------------------------------------------------------*/
CSUACRA( &amp;return_code, &amp;reason_code, &amp;exit_data_length,
(char *)exit_data,
(long *) &amp;rule_array_count,
(char *) rule_array,
(long *) &amp;resource_name_length,
(char *) argv[1]); /* resource name */
/*-------------------------------------------------------------------*/
/* Check the return code and display the results */
/*-------------------------------------------------------------------*/
if ( (return_code == OK) | (return_code == WARNING) )
{
printf("Request was successful\n");
return(OK);
}
else
{
printf("Request failed with return/reason codes: %d/%d \n",
return_code, reason_code);
return(ERROR);
}
}</pre>
</div>
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<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajcworking.htm" title="After you set up your Cryptographic Coprocessor, you can begin writing programs to make use of your Cryptographic Coprocessor's cryptographic functions.">Manage the Cryptographic Coprocessor</a></div>
</div>
<div class="relconcepts"><strong>Related concepts</strong><br />
<div><a href="rzajcmultiplecoprocessors.htm#allocating">Allocating a device</a></div>
</div>
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