300 lines
10 KiB
C
300 lines
10 KiB
C
/* crypto/pem/pem_all.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* ====================================================================
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* Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#undef SSLEAY_MACROS
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#include "cryptlib.h"
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#include <openssl/bio.h>
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#include <openssl/evp.h>
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#include <openssl/x509.h>
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#include <openssl/pkcs7.h>
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#include <openssl/pem.h>
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#ifndef OPENSSL_NO_RSA
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static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
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#endif
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#ifndef OPENSSL_NO_DSA
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static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
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#endif
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#ifndef OPENSSL_NO_EC
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static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
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#endif
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IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
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IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
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IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
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IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
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IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
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PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
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#ifndef OPENSSL_NO_RSA
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/* We treat RSA or DSA private keys as a special case.
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*
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* For private keys we read in an EVP_PKEY structure with
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* PEM_read_bio_PrivateKey() and extract the relevant private
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* key: this means can handle "traditional" and PKCS#8 formats
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* transparently.
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*/
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static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
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{
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RSA *rtmp;
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if(!key) return NULL;
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rtmp = EVP_PKEY_get1_RSA(key);
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EVP_PKEY_free(key);
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if(!rtmp) return NULL;
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if(rsa) {
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RSA_free(*rsa);
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*rsa = rtmp;
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}
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return rtmp;
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}
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RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
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void *u)
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{
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EVP_PKEY *pktmp;
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pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
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return pkey_get_rsa(pktmp, rsa);
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}
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#ifndef OPENSSL_NO_FP_API
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RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb,
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void *u)
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{
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EVP_PKEY *pktmp;
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pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
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return pkey_get_rsa(pktmp, rsa);
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}
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#endif
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IMPLEMENT_PEM_write_cb(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
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IMPLEMENT_PEM_rw(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
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IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
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#endif
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#ifndef OPENSSL_NO_DSA
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static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
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{
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DSA *dtmp;
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if(!key) return NULL;
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dtmp = EVP_PKEY_get1_DSA(key);
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EVP_PKEY_free(key);
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if(!dtmp) return NULL;
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if(dsa) {
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DSA_free(*dsa);
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*dsa = dtmp;
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}
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return dtmp;
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}
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DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
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void *u)
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{
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EVP_PKEY *pktmp;
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pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
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return pkey_get_dsa(pktmp, dsa);
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}
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IMPLEMENT_PEM_write_cb(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
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IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
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#ifndef OPENSSL_NO_FP_API
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DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb,
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void *u)
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{
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EVP_PKEY *pktmp;
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pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
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return pkey_get_dsa(pktmp, dsa);
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}
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#endif
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IMPLEMENT_PEM_rw(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
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#endif
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#ifndef OPENSSL_NO_EC
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static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
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{
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EC_KEY *dtmp;
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if(!key) return NULL;
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dtmp = EVP_PKEY_get1_EC_KEY(key);
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EVP_PKEY_free(key);
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if(!dtmp) return NULL;
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if(eckey)
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{
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EC_KEY_free(*eckey);
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*eckey = dtmp;
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}
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return dtmp;
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}
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EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
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void *u)
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{
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EVP_PKEY *pktmp;
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pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
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return pkey_get_eckey(pktmp, key);
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}
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IMPLEMENT_PEM_rw(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS, ECPKParameters)
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IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, ECPrivateKey)
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IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
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#ifndef OPENSSL_NO_FP_API
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EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
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void *u)
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{
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EVP_PKEY *pktmp;
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pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
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return pkey_get_eckey(pktmp, eckey);
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}
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#endif
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#endif
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#ifndef OPENSSL_NO_DH
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IMPLEMENT_PEM_rw(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
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#endif
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/* The PrivateKey case is not that straightforward.
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* IMPLEMENT_PEM_rw_cb(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey)
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* does not work, RSA and DSA keys have specific strings.
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* (When reading, parameter PEM_STRING_EVP_PKEY is a wildcard for anything
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* appropriate.)
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*/
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IMPLEMENT_PEM_write_cb(PrivateKey, EVP_PKEY, ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:\
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(x->type == EVP_PKEY_RSA)?PEM_STRING_RSA:PEM_STRING_ECPRIVATEKEY), PrivateKey)
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IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
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