ref: 230cee347fb6740900ab7295b32f378ff6c3c13a
dir: /sys/src/ape/lib/openssl/crypto/asn1/d2i_pu.c/
/* crypto/asn1/d2i_pu.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/asn1.h>
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
#ifndef OPENSSL_NO_DSA
#include <openssl/dsa.h>
#endif
#ifndef OPENSSL_NO_EC
#include <openssl/ec.h>
#endif
EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
long length)
{
EVP_PKEY *ret;
if ((a == NULL) || (*a == NULL))
{
if ((ret=EVP_PKEY_new()) == NULL)
{
ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_EVP_LIB);
return(NULL);
}
}
else ret= *a;
ret->save_type=type;
ret->type=EVP_PKEY_type(type);
switch (ret->type)
{
#ifndef OPENSSL_NO_RSA
case EVP_PKEY_RSA:
if ((ret->pkey.rsa=d2i_RSAPublicKey(NULL,
(const unsigned char **)pp,length)) == NULL) /* TMP UGLY CAST */
{
ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_ASN1_LIB);
goto err;
}
break;
#endif
#ifndef OPENSSL_NO_DSA
case EVP_PKEY_DSA:
if (!d2i_DSAPublicKey(&(ret->pkey.dsa),
(const unsigned char **)pp,length)) /* TMP UGLY CAST */
{
ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_ASN1_LIB);
goto err;
}
break;
#endif
#ifndef OPENSSL_NO_EC
case EVP_PKEY_EC:
if (!o2i_ECPublicKey(&(ret->pkey.ec),
(const unsigned char **)pp, length))
{
ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB);
goto err;
}
break;
#endif
default:
ASN1err(ASN1_F_D2I_PUBLICKEY,ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE);
goto err;
/* break; */
}
if (a != NULL) (*a)=ret;
return(ret);
err:
if ((ret != NULL) && ((a == NULL) || (*a != ret))) EVP_PKEY_free(ret);
return(NULL);
}