text: /* $OpenBSD: v3_pku.c,v 1.9 2014/07/11 08:44:49 jsing Exp $ */
  /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   * project 1999.
   */
  /* ====================================================================
   * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. All advertising materials mentioning features or use of this
   *    software must display the following acknowledgment:
   *    "This product includes software developed by the OpenSSL Project
   *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
   *
   * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
   *    endorse or promote products derived from this software without
   *    prior written permission. For written permission, please contact
   *    licensing@OpenSSL.org.
   *
   * 5. Products derived from this software may not be called "OpenSSL"
   *    nor may "OpenSSL" appear in their names without prior written
   *    permission of the OpenSSL Project.
   *
   * 6. Redistributions of any form whatsoever must retain the following
   *    acknowledgment:
   *    "This product includes software developed by the OpenSSL Project
   *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
   *
   * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
   * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   * ====================================================================
   *
   * This product includes cryptographic software written by Eric Young
   * (eay@cryptsoft.com).  This product includes software written by Tim
   * Hudson (tjh@cryptsoft.com).
   *
   */
  
  #include <stdio.h>
  
  #include <openssl/asn1.h>
  #include <openssl/asn1t.h>
  #include <openssl/x509v3.h>
  
  static int i2r_PKEY_USAGE_PERIOD(X509V3_EXT_METHOD *method,
      PKEY_USAGE_PERIOD *usage, BIO *out, int indent);
  /*
  static PKEY_USAGE_PERIOD *v2i_PKEY_USAGE_PERIOD(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
  */
  const X509V3_EXT_METHOD v3_pkey_usage_period = {
  	NID_private_key_usage_period, 0, ASN1_ITEM_ref(PKEY_USAGE_PERIOD),
  	0, 0, 0, 0,
  	0, 0, 0, 0,
  	(X509V3_EXT_I2R)i2r_PKEY_USAGE_PERIOD, NULL,
  	NULL
  };
  
  ASN1_SEQUENCE(PKEY_USAGE_PERIOD) = {
  	ASN1_IMP_OPT(PKEY_USAGE_PERIOD, notBefore, ASN1_GENERALIZEDTIME, 0),
  	ASN1_IMP_OPT(PKEY_USAGE_PERIOD, notAfter, ASN1_GENERALIZEDTIME, 1)
  } ASN1_SEQUENCE_END(PKEY_USAGE_PERIOD)
  
  
  PKEY_USAGE_PERIOD *
  d2i_PKEY_USAGE_PERIOD(PKEY_USAGE_PERIOD **a, const unsigned char **in, long len)
  {
  	return (PKEY_USAGE_PERIOD *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
  	    &PKEY_USAGE_PERIOD_it);
  }
  
  int
  i2d_PKEY_USAGE_PERIOD(PKEY_USAGE_PERIOD *a, unsigned char **out)
  {
  	return ASN1_item_i2d((ASN1_VALUE *)a, out, &PKEY_USAGE_PERIOD_it);
  }
  
  PKEY_USAGE_PERIOD *
  PKEY_USAGE_PERIOD_new(void)
  {
  	return (PKEY_USAGE_PERIOD *)ASN1_item_new(&PKEY_USAGE_PERIOD_it);
  }
  
  void
  PKEY_USAGE_PERIOD_free(PKEY_USAGE_PERIOD *a)
  {
  	ASN1_item_free((ASN1_VALUE *)a, &PKEY_USAGE_PERIOD_it);
  }
  
  static int
  i2r_PKEY_USAGE_PERIOD(X509V3_EXT_METHOD *method, PKEY_USAGE_PERIOD *usage,
      BIO *out, int indent)
  {
  	BIO_printf(out, "%*s", indent, "");
  	if (usage->notBefore) {
  		BIO_write(out, "Not Before: ", 12);
  		ASN1_GENERALIZEDTIME_print(out, usage->notBefore);
  		if (usage->notAfter)
  			BIO_write(out, ", ", 2);
  	}
  	if (usage->notAfter) {
  		BIO_write(out, "Not After: ", 11);
  		ASN1_GENERALIZEDTIME_print(out, usage->notAfter);
  	}
  	return 1;
  }
  
  /*
  static PKEY_USAGE_PERIOD *v2i_PKEY_USAGE_PERIOD(method, ctx, values)
  X509V3_EXT_METHOD *method;
  X509V3_CTX *ctx;
  STACK_OF(CONF_VALUE) *values;
  {
  return NULL;
  }
  */
  