typo while I poke around...

[thirdparty/openssl.git] / ssl / ssl_rsa.c

/* ssl/ssl_rsa.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 <openssl/bio.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include "ssl_locl.h"

static int ssl_set_cert(CERT *c, X509 *x509);
static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey);
int SSL_use_certificate(SSL *ssl, X509 *x)
        {
        if (x == NULL)
                {
                SSLerr(SSL_F_SSL_USE_CERTIFICATE,ERR_R_PASSED_NULL_PARAMETER);
                return(0);
                }
        if (!ssl_cert_inst(&ssl->cert))
                {
                SSLerr(SSL_F_SSL_USE_CERTIFICATE,ERR_R_MALLOC_FAILURE);
                return(0);
                }
        return(ssl_set_cert(ssl->cert,x));
        }

#ifndef NO_STDIO
int SSL_use_certificate_file(SSL *ssl, const char *file, int type)
        {
        int j;
        BIO *in;
        int ret=0;
        X509 *x=NULL;

        in=BIO_new(BIO_s_file_internal());
        if (in == NULL)
                {
                SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE,ERR_R_BUF_LIB);
                goto end;
                }

        if (BIO_read_filename(in,file) <= 0)
                {
                SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE,ERR_R_SYS_LIB);
                goto end;
                }
        if (type == SSL_FILETYPE_ASN1)
                {
                j=ERR_R_ASN1_LIB;
                x=d2i_X509_bio(in,NULL);
                }
        else if (type == SSL_FILETYPE_PEM)
                {
                j=ERR_R_PEM_LIB;
                x=PEM_read_bio_X509(in,NULL,ssl->ctx->default_passwd_callback,ssl->ctx->default_passwd_callback_userdata);
                }
        else
                {
                SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE,SSL_R_BAD_SSL_FILETYPE);
                goto end;
                }

        if (x == NULL)
                {
                SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE,j);
                goto end;
                }

        ret=SSL_use_certificate(ssl,x);
end:
        if (x != NULL) X509_free(x);
        if (in != NULL) BIO_free(in);
        return(ret);
        }
#endif

int SSL_use_certificate_ASN1(SSL *ssl, unsigned char *d, int len)
        {
        X509 *x;
        int ret;

        x=d2i_X509(NULL,&d,(long)len);
        if (x == NULL)
                {
                SSLerr(SSL_F_SSL_USE_CERTIFICATE_ASN1,ERR_R_ASN1_LIB);
                return(0);
                }

        ret=SSL_use_certificate(ssl,x);
        X509_free(x);
        return(ret);
        }

#ifndef NO_RSA
int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa)
        {
        EVP_PKEY *pkey;
        int ret;

        if (rsa == NULL)
                {
                SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY,ERR_R_PASSED_NULL_PARAMETER);
                return(0);
                }
        if (!ssl_cert_inst(&ssl->cert))
                {
                SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY,ERR_R_MALLOC_FAILURE);
                return(0);
                }
        if ((pkey=EVP_PKEY_new()) == NULL)
                {
                SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY,ERR_R_EVP_LIB);
                return(0);
                }

        CRYPTO_add(&rsa->references,1,CRYPTO_LOCK_RSA);
        EVP_PKEY_assign_RSA(pkey,rsa);

        ret=ssl_set_pkey(ssl->cert,pkey);
        EVP_PKEY_free(pkey);
        return(ret);
        }
#endif

static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey)
        {
        int i,ok=0,bad=0;

        i=ssl_cert_type(NULL,pkey);
        if (i < 0)
                {
                SSLerr(SSL_F_SSL_SET_PKEY,SSL_R_UNKNOWN_CERTIFICATE_TYPE);
                return(0);
                }

        if (c->pkeys[i].x509 != NULL)
                {
                EVP_PKEY *pktmp;
                pktmp = X509_get_pubkey(c->pkeys[i].x509);
                EVP_PKEY_copy_parameters(pktmp,pkey);
                EVP_PKEY_free(pktmp);
                ERR_clear_error();

#ifndef NO_RSA
                /* Don't check the public/private key, this is mostly
                 * for smart cards. */
                if ((pkey->type == EVP_PKEY_RSA) &&
                        (RSA_flags(pkey->pkey.rsa) &
                         RSA_METHOD_FLAG_NO_CHECK))
                         ok=1;
                else
#endif
                        if (!X509_check_private_key(c->pkeys[i].x509,pkey))
                        {
                        if ((i == SSL_PKEY_DH_RSA) || (i == SSL_PKEY_DH_DSA))
                                {
                                i=(i == SSL_PKEY_DH_RSA)?
                                        SSL_PKEY_DH_DSA:SSL_PKEY_DH_RSA;

                                if (c->pkeys[i].x509 == NULL)
                                        ok=1;
                                else
                                        {
                                        if (!X509_check_private_key(
                                                c->pkeys[i].x509,pkey))
                                                bad=1;
                                        else
                                                ok=1;
                                        }
                                }
                        else
                                bad=1;
                        }
                else
                        ok=1;
                }
        else
                ok=1;

        if (bad)
                {
                X509_free(c->pkeys[i].x509);
                c->pkeys[i].x509=NULL;
                return(0);
                }

        if (c->pkeys[i].privatekey != NULL)
                EVP_PKEY_free(c->pkeys[i].privatekey);
        CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
        c->pkeys[i].privatekey=pkey;
        c->key= &(c->pkeys[i]);

        c->valid=0;
        return(1);
        }

#ifndef NO_RSA
#ifndef NO_STDIO
int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
        {
        int j,ret=0;
        BIO *in;
        RSA *rsa=NULL;

        in=BIO_new(BIO_s_file_internal());
        if (in == NULL)
                {
                SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE,ERR_R_BUF_LIB);
                goto end;
                }

        if (BIO_read_filename(in,file) <= 0)
                {
                SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE,ERR_R_SYS_LIB);
                goto end;
                }
        if      (type == SSL_FILETYPE_ASN1)
                {
                j=ERR_R_ASN1_LIB;
                rsa=d2i_RSAPrivateKey_bio(in,NULL);
                }
        else if (type == SSL_FILETYPE_PEM)
                {
                j=ERR_R_PEM_LIB;
                rsa=PEM_read_bio_RSAPrivateKey(in,NULL,
                        ssl->ctx->default_passwd_callback,ssl->ctx->default_passwd_callback_userdata);
                }
        else
                {
                SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE,SSL_R_BAD_SSL_FILETYPE);
                goto end;
                }
        if (rsa == NULL)
                {
                SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE,j);
                goto end;
                }
        ret=SSL_use_RSAPrivateKey(ssl,rsa);
        RSA_free(rsa);
end:
        if (in != NULL) BIO_free(in);
        return(ret);
        }
#endif

int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len)
        {
        int ret;
        unsigned char *p;
        RSA *rsa;

        p=d;
        if ((rsa=d2i_RSAPrivateKey(NULL,&p,(long)len)) == NULL)
                {
                SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1,ERR_R_ASN1_LIB);
                return(0);
                }

        ret=SSL_use_RSAPrivateKey(ssl,rsa);
        RSA_free(rsa);
        return(ret);
        }
#endif /* !NO_RSA */

int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
        {
        int ret;

        if (pkey == NULL)
                {
                SSLerr(SSL_F_SSL_USE_PRIVATEKEY,ERR_R_PASSED_NULL_PARAMETER);
                return(0);
                }
        if (!ssl_cert_inst(&ssl->cert))
                {
                SSLerr(SSL_F_SSL_USE_PRIVATEKEY,ERR_R_MALLOC_FAILURE);
                return(0);
                }
        ret=ssl_set_pkey(ssl->cert,pkey);
        return(ret);
        }

#ifndef NO_STDIO
int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
        {
        int j,ret=0;
        BIO *in;
        EVP_PKEY *pkey=NULL;

        in=BIO_new(BIO_s_file_internal());
        if (in == NULL)
                {
                SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE,ERR_R_BUF_LIB);
                goto end;
                }

        if (BIO_read_filename(in,file) <= 0)
                {
                SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE,ERR_R_SYS_LIB);
                goto end;
                }
        if (type == SSL_FILETYPE_PEM)
                {
                j=ERR_R_PEM_LIB;
                pkey=PEM_read_bio_PrivateKey(in,NULL,
                        ssl->ctx->default_passwd_callback,ssl->ctx->default_passwd_callback_userdata);
                }
        else
                {
                SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE,SSL_R_BAD_SSL_FILETYPE);
                goto end;
                }
        if (pkey == NULL)
                {
                SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE,j);
                goto end;
                }
        ret=SSL_use_PrivateKey(ssl,pkey);
        EVP_PKEY_free(pkey);
end:
        if (in != NULL) BIO_free(in);
        return(ret);
        }
#endif

int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, unsigned char *d, long len)
        {
        int ret;
        unsigned char *p;
        EVP_PKEY *pkey;

        p=d;
        if ((pkey=d2i_PrivateKey(type,NULL,&p,(long)len)) == NULL)
                {
                SSLerr(SSL_F_SSL_USE_PRIVATEKEY_ASN1,ERR_R_ASN1_LIB);
                return(0);
                }

        ret=SSL_use_PrivateKey(ssl,pkey);
        EVP_PKEY_free(pkey);
        return(ret);
        }

int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
        {
        if (x == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE,ERR_R_PASSED_NULL_PARAMETER);
                return(0);
                }
        if (!ssl_cert_inst(&ctx->cert))
                {
                SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE,ERR_R_MALLOC_FAILURE);
                return(0);
                }
        return(ssl_set_cert(ctx->cert, x));
        }

static int ssl_set_cert(CERT *c, X509 *x)
        {
        EVP_PKEY *pkey;
        int i,ok=0,bad=0;

        pkey=X509_get_pubkey(x);
        if (pkey == NULL)
                {
                SSLerr(SSL_F_SSL_SET_CERT,SSL_R_X509_LIB);
                return(0);
                }

        i=ssl_cert_type(x,pkey);
        if (i < 0)
                {
                SSLerr(SSL_F_SSL_SET_CERT,SSL_R_UNKNOWN_CERTIFICATE_TYPE);
                EVP_PKEY_free(pkey);
                return(0);
                }

        if (c->pkeys[i].privatekey != NULL)
                {
                EVP_PKEY_copy_parameters(pkey,c->pkeys[i].privatekey);
                ERR_clear_error();

#ifndef NO_RSA
                /* Don't check the public/private key, this is mostly
                 * for smart cards. */
                if ((c->pkeys[i].privatekey->type == EVP_PKEY_RSA) &&
                        (RSA_flags(c->pkeys[i].privatekey->pkey.rsa) &
                         RSA_METHOD_FLAG_NO_CHECK))
                         ok=1;
                else
#endif
                {
                if (!X509_check_private_key(x,c->pkeys[i].privatekey))
                        {
                        if ((i == SSL_PKEY_DH_RSA) || (i == SSL_PKEY_DH_DSA))
                                {
                                i=(i == SSL_PKEY_DH_RSA)?
                                        SSL_PKEY_DH_DSA:SSL_PKEY_DH_RSA;

                                if (c->pkeys[i].privatekey == NULL)
                                        ok=1;
                                else
                                        {
                                        if (!X509_check_private_key(x,
                                                c->pkeys[i].privatekey))
                                                bad=1;
                                        else
                                                ok=1;
                                        }
                                }
                        else
                                bad=1;
                        }
                else
                        ok=1;
                } /* NO_RSA */
                }
        else
                ok=1;

        EVP_PKEY_free(pkey);
        if (bad)
                {
                EVP_PKEY_free(c->pkeys[i].privatekey);
                c->pkeys[i].privatekey=NULL;
                }

        if (c->pkeys[i].x509 != NULL)
                X509_free(c->pkeys[i].x509);
        CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);
        c->pkeys[i].x509=x;
        c->key= &(c->pkeys[i]);

        c->valid=0;
        return(1);
        }

#ifndef NO_STDIO
int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
        {
        int j;
        BIO *in;
        int ret=0;
        X509 *x=NULL;

        in=BIO_new(BIO_s_file_internal());
        if (in == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE,ERR_R_BUF_LIB);
                goto end;
                }

        if (BIO_read_filename(in,file) <= 0)
                {
                SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE,ERR_R_SYS_LIB);
                goto end;
                }
        if (type == SSL_FILETYPE_ASN1)
                {
                j=ERR_R_ASN1_LIB;
                x=d2i_X509_bio(in,NULL);
                }
        else if (type == SSL_FILETYPE_PEM)
                {
                j=ERR_R_PEM_LIB;
                x=PEM_read_bio_X509(in,NULL,ctx->default_passwd_callback,ctx->default_passwd_callback_userdata);
                }
        else
                {
                SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE,SSL_R_BAD_SSL_FILETYPE);
                goto end;
                }

        if (x == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE,j);
                goto end;
                }

        ret=SSL_CTX_use_certificate(ctx,x);
end:
        if (x != NULL) X509_free(x);
        if (in != NULL) BIO_free(in);
        return(ret);
        }
#endif

int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, unsigned char *d)
        {
        X509 *x;
        int ret;

        x=d2i_X509(NULL,&d,(long)len);
        if (x == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1,ERR_R_ASN1_LIB);
                return(0);
                }

        ret=SSL_CTX_use_certificate(ctx,x);
        X509_free(x);
        return(ret);
        }

#ifndef NO_RSA
int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
        {
        int ret;
        EVP_PKEY *pkey;

        if (rsa == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY,ERR_R_PASSED_NULL_PARAMETER);
                return(0);
                }
        if (!ssl_cert_inst(&ctx->cert))
                {
                SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY,ERR_R_MALLOC_FAILURE);
                return(0);
                }
        if ((pkey=EVP_PKEY_new()) == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY,ERR_R_EVP_LIB);
                return(0);
                }

        CRYPTO_add(&rsa->references,1,CRYPTO_LOCK_RSA);
        EVP_PKEY_assign_RSA(pkey,rsa);

        ret=ssl_set_pkey(ctx->cert, pkey);
        EVP_PKEY_free(pkey);
        return(ret);
        }

#ifndef NO_STDIO
int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
        {
        int j,ret=0;
        BIO *in;
        RSA *rsa=NULL;

        in=BIO_new(BIO_s_file_internal());
        if (in == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE,ERR_R_BUF_LIB);
                goto end;
                }

        if (BIO_read_filename(in,file) <= 0)
                {
                SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE,ERR_R_SYS_LIB);
                goto end;
                }
        if      (type == SSL_FILETYPE_ASN1)
                {
                j=ERR_R_ASN1_LIB;
                rsa=d2i_RSAPrivateKey_bio(in,NULL);
                }
        else if (type == SSL_FILETYPE_PEM)
                {
                j=ERR_R_PEM_LIB;
                rsa=PEM_read_bio_RSAPrivateKey(in,NULL,
                        ctx->default_passwd_callback,ctx->default_passwd_callback_userdata);
                }
        else
                {
                SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE,SSL_R_BAD_SSL_FILETYPE);
                goto end;
                }
        if (rsa == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE,j);
                goto end;
                }
        ret=SSL_CTX_use_RSAPrivateKey(ctx,rsa);
        RSA_free(rsa);
end:
        if (in != NULL) BIO_free(in);
        return(ret);
        }
#endif

int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, unsigned char *d, long len)
        {
        int ret;
        unsigned char *p;
        RSA *rsa;

        p=d;
        if ((rsa=d2i_RSAPrivateKey(NULL,&p,(long)len)) == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1,ERR_R_ASN1_LIB);
                return(0);
                }

        ret=SSL_CTX_use_RSAPrivateKey(ctx,rsa);
        RSA_free(rsa);
        return(ret);
        }
#endif /* !NO_RSA */

int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
        {
        if (pkey == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY,ERR_R_PASSED_NULL_PARAMETER);
                return(0);
                }
        if (!ssl_cert_inst(&ctx->cert))
                {
                SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY,ERR_R_MALLOC_FAILURE);
                return(0);
                }
        return(ssl_set_pkey(ctx->cert,pkey));
        }

#ifndef NO_STDIO
int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
        {
        int j,ret=0;
        BIO *in;
        EVP_PKEY *pkey=NULL;

        in=BIO_new(BIO_s_file_internal());
        if (in == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE,ERR_R_BUF_LIB);
                goto end;
                }

        if (BIO_read_filename(in,file) <= 0)
                {
                SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE,ERR_R_SYS_LIB);
                goto end;
                }
        if (type == SSL_FILETYPE_PEM)
                {
                j=ERR_R_PEM_LIB;
                pkey=PEM_read_bio_PrivateKey(in,NULL,
                        ctx->default_passwd_callback,ctx->default_passwd_callback_userdata);
                }
        else
                {
                SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE,SSL_R_BAD_SSL_FILETYPE);
                goto end;
                }
        if (pkey == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE,j);
                goto end;
                }
        ret=SSL_CTX_use_PrivateKey(ctx,pkey);
        EVP_PKEY_free(pkey);
end:
        if (in != NULL) BIO_free(in);
        return(ret);
        }
#endif

int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx, unsigned char *d,
             long len)
        {
        int ret;
        unsigned char *p;
        EVP_PKEY *pkey;

        p=d;
        if ((pkey=d2i_PrivateKey(type,NULL,&p,(long)len)) == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1,ERR_R_ASN1_LIB);
                return(0);
                }

        ret=SSL_CTX_use_PrivateKey(ctx,pkey);
        EVP_PKEY_free(pkey);
        return(ret);
        }


#ifndef NO_STDIO
/* Read a file that contains our certificate in "PEM" format,
 * possibly followed by a sequence of CA certificates that should be
 * sent to the peer in the Certificate message.
 */
int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
        {
        BIO *in;
        int ret=0;
        X509 *x=NULL;

        in=BIO_new(BIO_s_file_internal());
        if (in == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE,ERR_R_BUF_LIB);
                goto end;
                }

        if (BIO_read_filename(in,file) <= 0)
                {
                SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE,ERR_R_SYS_LIB);
                goto end;
                }

        x=PEM_read_bio_X509(in,NULL,ctx->default_passwd_callback,ctx->default_passwd_callback_userdata);
        if (x == NULL)
                {
                SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE,ERR_R_PEM_LIB);
                goto end;
                }

        ret=SSL_CTX_use_certificate(ctx,x);
        if (ERR_peek_error() != 0)
                ret = 0;  /* Key/certificate mismatch doesn't imply ret==0 ... */
        if (ret)
                {
                /* If we could set up our certificate, now proceed to
                 * the CA certificates.
                 */
                X509 *ca;
                int r;
                unsigned long err;
                
                if (ctx->extra_certs != NULL) 
                        {
                        sk_X509_pop_free(ctx->extra_certs, X509_free);
                        ctx->extra_certs = NULL;
                        }

                while ((ca = PEM_read_bio_X509(in,NULL,ctx->default_passwd_callback,ctx->default_passwd_callback_userdata))
                        != NULL)
                        {
                        r = SSL_CTX_add_extra_chain_cert(ctx, ca);
                        if (!r) 
                                {
                                X509_free(ca);
                                ret = 0;
                                goto end;
                                }
                        /* Note that we must not free r if it was successfully
                         * added to the chain (while we must free the main
                         * certificate, since its reference count is increased
                         * by SSL_CTX_use_certificate). */
                        }
                /* When the while loop ends, it's usually just EOF. */
                err = ERR_peek_error();
                if (ERR_GET_LIB(err) == ERR_LIB_PEM && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
                        (void) ERR_get_error();
                else 
                        ret = 0; /* some real error */
                }

end:
        if (x != NULL) X509_free(x);
        if (in != NULL) BIO_free(in);
        return(ret);
        }
#endif