openssl/crypto/pem/pem_all.c

203 lines
6.7 KiB
C

/* crypto/pem/pem_all.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>
#undef SSLEAY_MACROS
#include "cryptlib.h"
#include <openssl/bio.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pkcs7.h>
#include <openssl/pem.h>
#ifndef NO_RSA
static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
#endif
#ifndef NO_DSA
static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
#endif
IMPLEMENT_PEM_rw(X509, X509, PEM_STRING_X509, X509)
IMPLEMENT_PEM_rw(X509_AUX, X509, PEM_STRING_X509_TRUSTED, X509_AUX)
IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG)
IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,
PKCS8_PRIV_KEY_INFO)
#ifndef NO_RSA
/* We treat RSA or DSA private keys as a special case.
*
* For private keys we read in an EVP_PKEY structure with
* PEM_read_bio_PrivateKey() and extract the relevant private
* key: this means can handle "traditional" and PKCS#8 formats
* transparently.
*/
static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
{
RSA *rtmp;
if(!key) return NULL;
rtmp = EVP_PKEY_rget_RSA(key);
EVP_PKEY_free(key);
if(!rtmp) return NULL;
if(rsa) {
RSA_free(*rsa);
*rsa = rtmp;
}
return rtmp;
}
RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
void *u)
{
EVP_PKEY *pktmp;
pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
return pkey_get_rsa(pktmp, rsa);
}
#ifndef NO_FP_API
RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb,
void *u)
{
EVP_PKEY *pktmp;
pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
return pkey_get_rsa(pktmp, rsa);
}
#endif
IMPLEMENT_PEM_write_cb(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
IMPLEMENT_PEM_rw(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
#endif
#ifndef NO_DSA
static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
{
DSA *dtmp;
if(!key) return NULL;
dtmp = EVP_PKEY_rget_DSA(key);
EVP_PKEY_free(key);
if(!dtmp) return NULL;
if(dsa) {
DSA_free(*dsa);
*dsa = dtmp;
}
return dtmp;
}
DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
void *u)
{
EVP_PKEY *pktmp;
pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
return pkey_get_dsa(pktmp, dsa);
}
IMPLEMENT_PEM_write_cb(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
#ifndef NO_FP_API
DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb,
void *u)
{
EVP_PKEY *pktmp;
pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
return pkey_get_dsa(pktmp, dsa);
}
#endif
IMPLEMENT_PEM_rw(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
#endif
#ifndef NO_DH
IMPLEMENT_PEM_rw(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
#endif
/* The PrivateKey case is not that straightforward.
* IMPLEMENT_PEM_rw_cb(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey)
* does not work, RSA and DSA keys have specific strings.
* (When reading, parameter PEM_STRING_EVP_PKEY is a wildcard for anything
* appropriate.)
*/
IMPLEMENT_PEM_read(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey)
IMPLEMENT_PEM_write_cb(PrivateKey, EVP_PKEY, ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:PEM_STRING_RSA), PrivateKey)
IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)