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/* $OpenBSD: x509spki.c,v 1.12 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 <string.h>
#include <openssl/err.h>
#include <openssl/x509.h>
int
NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey)
{
if ((x == NULL) || (x->spkac == NULL))
return (0);
return (X509_PUBKEY_set(&(x->spkac->pubkey), pkey));
}
EVP_PKEY *
NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI *x)
{
if ((x == NULL) || (x->spkac == NULL))
return (NULL);
return (X509_PUBKEY_get(x->spkac->pubkey));
}
/* Load a Netscape SPKI from a base64 encoded string */
NETSCAPE_SPKI *
NETSCAPE_SPKI_b64_decode(const char *str, int len)
{
unsigned char *spki_der;
const unsigned char *p;
int spki_len;
NETSCAPE_SPKI *spki;
if (len <= 0)
len = strlen(str);
if (!(spki_der = malloc(len + 1))) {
X509err(X509_F_NETSCAPE_SPKI_B64_DECODE, ERR_R_MALLOC_FAILURE);
return NULL;
}
spki_len = EVP_DecodeBlock(spki_der, (const unsigned char *)str, len);
if (spki_len < 0) {
X509err(X509_F_NETSCAPE_SPKI_B64_DECODE,
X509_R_BASE64_DECODE_ERROR);
free(spki_der);
return NULL;
}
p = spki_der;
spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
free(spki_der);
return spki;
}
/* Generate a base64 encoded string from an SPKI */
char *
NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki)
{
unsigned char *der_spki, *p;
char *b64_str;
int der_len;
der_len = i2d_NETSCAPE_SPKI(spki, NULL);
der_spki = malloc(der_len);
b64_str = reallocarray(NULL, der_len, 2);
if (!der_spki || !b64_str) {
X509err(X509_F_NETSCAPE_SPKI_B64_ENCODE, ERR_R_MALLOC_FAILURE);
free(der_spki);
free(b64_str);
return NULL;
}
p = der_spki;
i2d_NETSCAPE_SPKI(spki, &p);
EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len);
free(der_spki);
return b64_str;
}
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