259 lines
12 KiB
HTML
259 lines
12 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Example: ILE C program for registering a public key hash" />
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<meta name="abstract" content="Change this program example to suit your needs for registering a hash of a public key certificate." />
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<meta name="description" content="Change this program example to suit your needs for registering a hash of a public key certificate." />
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<meta name="DC.Relation" scheme="URI" content="rzajcworking.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="reghashc" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Example: ILE C program for registering a public key hash</title>
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</head>
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<body id="reghashc"><a name="reghashc"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Example: ILE C program for registering a public key hash</h1>
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<div><p>Change this program example to suit your needs for registering
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a hash of a public key certificate. </p>
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<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
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important legal information.</div>
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</div>
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</div>
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<div class="example"> <pre>/*-------------------------------------------------------------------*/
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/* REGHASH */
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/* */
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/* Sample program to register the hash of a CCA public key */
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/* certificate. */
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/* */
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/* COPYRIGHT 5769-SS1 (C) IBM CORP. 1999, 1999 */
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/* */
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/* This material contains programming source code for your */
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/* consideration. These examples have not been thoroughly */
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/* tested under all conditions. IBM, therefore, cannot */
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/* guarantee or imply reliability, serviceability, or function */
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/* of these program. All programs contained herein are */
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/* provided to you "AS IS". THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* ARE EXPRESSLY DISCLAIMED. IBM provides no program services for */
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/* these programs and files. */
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/* */
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/* */
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/* Note: Input format is more fully described in Chapter 2 of */
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/* IBM CCA Basic Services Reference and Guide */
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/* (SC31-8609) publication. */
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/* */
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/* Parameters: Stream file containing public key certificate */
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/* */
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/* Example: */
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/* CALL PGM(REGHASH) PARM(CERTFILE) */
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/* */
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/* */
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/* Note: This program assumes the card with the profile is */
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/* already identified either by defaulting to the CRP01 */
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/* device or by being explicitly named using the */
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/* Cryptographic_Resource_Allocate verb. Also this */
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/* device must be varied on and you must be authorized */
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/* to use this device description. */
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/* */
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/* The Common Cryptographic Architecture (CCA) verbs used are */
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/* PKA_Public_Key_Hash_Register (CSNDPKH) and One_Way_Hash WH). */
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/* (CSNBOWH). */
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/* */
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/* Use these commands to compile this program on the system: */
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/* ADDLIBLE LIB(QCCA) */
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/* CRTCMOD MODULE(REGHASH) SRCFILE(SAMPLE) */
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/* CRTPGM PGM(REGHASH) MODULE(REGHASH) */
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/* BNDDIR(QCCA/QC6BNDDIR) */
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/* */
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/* Note: Authority to the CSNDPKH and CSNBOWH service programs */
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/* in the QCCA library is assumed. */
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/* */
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/*-------------------------------------------------------------------*/
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#include <stdio.h>
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#include <string.h>
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#include "csucincl.h"
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int main(int argc, char *argv[])
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{
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/*------------------------------------------------------------------*/
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/* Declares for CCA parameters */
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/*------------------------------------------------------------------*/
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long return_code = 0;
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long reason_code = 0;
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long exit_data_length = 0;
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char exit_data[4];
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char rule_array[24];
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long rule_array_count;
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long token_len = 2500;
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char token[2500];
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long chaining_vector_length = 128;
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long hash_length = 20;
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long text_length;
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unsigned char chaining_vector[128];
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unsigned char hash[20];
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/*------------------------------------------------------------------*/
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/* Declares for working with a PKA token */
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/*------------------------------------------------------------------*/
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long pub_sec_len; /* Public section length */
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long cert_sec_len; /* Certificate section length */
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long offset; /* Offset into token */
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long tempOffset; /* (Another) Offset into token */
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char name[64]; /* Registered key name */
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long count; /* Number of bytes read from file */
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FILE *fp; /* File pointer */
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if (argc < 2) /* Check the number of parameters passed */
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{
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printf("Need to enter a public key name\n");
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return 1;
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}
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memset(name,' ',64); /* Copy key name (and pad) to a 64 byte */
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/* field. */
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memcpy(name,argv[1],strlen(argv[1]));
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fp = fopen(argv[1],"rb"); /* Open the file for reading */
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if (!fp)
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{
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printf("File %s not found.\n",argv[1]);
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return 1;
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}
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memset(token,0,2500); /* Initialize the token to 0 */
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count = fread(token,1,2500,fp); /* Read the token from the file */
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fclose(fp); /* Close the file */
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/* Determine length of token from length */
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/* bytes at offset 2 and 3. */
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token_len = ((256 * token[2]) + token[3]);
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if (count < token_len) /* Check if whole token was read in */
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{
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printf("Incomplete token in file\n");
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return 1;
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}
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/************************************************************/
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/* Find the certificate offset in the token */
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/* */
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/* The layout of the token is */
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/* */
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/* - Token header - 8 bytes - including 2 length bytes */
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/* - Public key section - length bytes at offset 10 overall */
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/* - Private key name - 68 bytes */
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/* - Certificate section */
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/* */
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/************************************************************/
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pub_sec_len = ((256 * token[10]) + token[11]);
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offset = pub_sec_len + 68 + 8; /* Set offset to certiicate section */
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/* Determine certificate section */
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/* length from the length bytes at */
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/* offset 2 of the section. */
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cert_sec_len = ((256 * token[offset + 2]) + token[offset + 3]);
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tempOffset = offset + 4; /* Set offset to first subsection */
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/*-----------------------------------------------------*/
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/* Parse each subsection of the certificate until the */
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/* signature subsection is found or the end is reached.*/
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/* (Identifier for signature subsection is Hex 45.) */
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/*-----------------------------------------------------*/
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while(token[tempOffset] != 0x45 &&
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tempOffset < offset + cert_sec_len)
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{
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tempOffset += 256 * token[tempOffset + 2] + token[tempOffset+3];
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}
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/*----------------------------------------------------*/
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/* Check if no signature was found before the end of */
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/* the certificate section. */
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/*----------------------------------------------------*/
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if (token[tempOffset] != 0x45)
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{
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printf("Invalid certificate\n");
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return 1;
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}
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/**************************************************************/
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/* Hash the certificate */
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/**************************************************************/
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text_length = tempOffset - offset + 70; /* Text length is length */
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/* of certificate subsection. */
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memcpy((void*)rule_array,"SHA-1 ",8); /* Set rule array */
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rule_array_count = 1;
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chaining_vector_length = 128;
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hash_length = 20;
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CSNBOWH( &return_code, &reason_code, &exit_data_length,
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exit_data,
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&rule_array_count,
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(unsigned char*)rule_array,
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&text_length,
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&token[offset],
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&chaining_vector_length,
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chaining_vector,
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&hash_length,
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hash);
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if (return_code != 0)
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{
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printf("One_Way_Hash Failed : return reason %d/%d\n",
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return_code, reason_code);
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return 1;
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}
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/**************************************************************/
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/* Register the Hash */
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/**************************************************************/
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/* Set the rule array */
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memcpy((void*)rule_array,"SHA-1 CLONE ",16);
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rule_array_count = 2;
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/* Build the name of the retained */
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/* key from the file and "RETAINED"*/
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memcpy(&name[strlen(argv[1])],".RETAINED",9);
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CSNDPKH( &return_code, &reason_code, &exit_data_length,
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exit_data,
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&rule_array_count,
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(unsigned char*)rule_array,
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name,
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&hash_length,
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hash);
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if (return_code != 0)
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{
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printf("Public Key Register_Hash Failed : return reason %d/%d\n",
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return_code, reason_code);
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return 1;
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}
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name[strlen(argv[1]) + 9] = 0; /* Convert name to a string */
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printf("Hash registered for %s.\n",name);
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}</pre>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<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>
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</div>
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</div>
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</body>
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</html>
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