/* $OpenBSD: x_all.c,v 1.33 2025/07/10 18:50:23 tb Exp $ */
/* 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/opensslconf.h>

#include <openssl/asn1.h>
#include <openssl/buffer.h>
#include <openssl/evp.h>
#include <openssl/stack.h>
#include <openssl/x509.h>

#ifndef OPENSSL_NO_DSA
#include <openssl/dsa.h>
#endif
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif

#include "x509_local.h"

X509 *
d2i_X509_bio(BIO *bp, X509 **x509)
{
        return ASN1_item_d2i_bio(&X509_it, bp, x509);
}
LCRYPTO_ALIAS(d2i_X509_bio);

int
i2d_X509_bio(BIO *bp, X509 *x509)
{
        return ASN1_item_i2d_bio(&X509_it, bp, x509);
}
LCRYPTO_ALIAS(i2d_X509_bio);

X509 *
d2i_X509_fp(FILE *fp, X509 **x509)
{
        return ASN1_item_d2i_fp(&X509_it, fp, x509);
}
LCRYPTO_ALIAS(d2i_X509_fp);

int
i2d_X509_fp(FILE *fp, X509 *x509)
{
        return ASN1_item_i2d_fp(&X509_it, fp, x509);
}
LCRYPTO_ALIAS(i2d_X509_fp);

X509_CRL *
d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
{
        return ASN1_item_d2i_bio(&X509_CRL_it, bp, crl);
}
LCRYPTO_ALIAS(d2i_X509_CRL_bio);

int
i2d_X509_CRL_bio(BIO *bp, X509_CRL *crl)
{
        return ASN1_item_i2d_bio(&X509_CRL_it, bp, crl);
}
LCRYPTO_ALIAS(i2d_X509_CRL_bio);

X509_CRL *
d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
{
        return ASN1_item_d2i_fp(&X509_CRL_it, fp, crl);
}
LCRYPTO_ALIAS(d2i_X509_CRL_fp);

int
i2d_X509_CRL_fp(FILE *fp, X509_CRL *crl)
{
        return ASN1_item_i2d_fp(&X509_CRL_it, fp, crl);
}
LCRYPTO_ALIAS(i2d_X509_CRL_fp);

X509_REQ *
d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
{
        return ASN1_item_d2i_bio(&X509_REQ_it, bp, req);
}
LCRYPTO_ALIAS(d2i_X509_REQ_bio);

int
i2d_X509_REQ_bio(BIO *bp, X509_REQ *req)
{
        return ASN1_item_i2d_bio(&X509_REQ_it, bp, req);
}
LCRYPTO_ALIAS(i2d_X509_REQ_bio);

X509_REQ *
d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
{
        return ASN1_item_d2i_fp(&X509_REQ_it, fp, req);
}
LCRYPTO_ALIAS(d2i_X509_REQ_fp);

int
i2d_X509_REQ_fp(FILE *fp, X509_REQ *req)
{
        return ASN1_item_i2d_fp(&X509_REQ_it, fp, req);
}
LCRYPTO_ALIAS(i2d_X509_REQ_fp);

#ifndef OPENSSL_NO_RSA
RSA *
d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa)
{
        return ASN1_item_d2i_bio(&RSAPrivateKey_it, bp, rsa);
}
LCRYPTO_ALIAS(d2i_RSAPrivateKey_bio);

int
i2d_RSAPrivateKey_bio(BIO *bp, RSA *rsa)
{
        return ASN1_item_i2d_bio(&RSAPrivateKey_it, bp, rsa);
}
LCRYPTO_ALIAS(i2d_RSAPrivateKey_bio);

RSA *
d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa)
{
        return ASN1_item_d2i_fp(&RSAPrivateKey_it, fp, rsa);
}
LCRYPTO_ALIAS(d2i_RSAPrivateKey_fp);

int
i2d_RSAPrivateKey_fp(FILE *fp, RSA *rsa)
{
        return ASN1_item_i2d_fp(&RSAPrivateKey_it, fp, rsa);
}
LCRYPTO_ALIAS(i2d_RSAPrivateKey_fp);

RSA *
d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa)
{
        return ASN1_item_d2i_bio(&RSAPublicKey_it, bp, rsa);
}
LCRYPTO_ALIAS(d2i_RSAPublicKey_bio);

int
i2d_RSAPublicKey_bio(BIO *bp, RSA *rsa)
{
        return ASN1_item_i2d_bio(&RSAPublicKey_it, bp, rsa);
}
LCRYPTO_ALIAS(i2d_RSAPublicKey_bio);

RSA *
d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa)
{
        return ASN1_item_d2i_fp(&RSAPublicKey_it, fp, rsa);
}
LCRYPTO_ALIAS(d2i_RSAPublicKey_fp);

int
i2d_RSAPublicKey_fp(FILE *fp, RSA *rsa)
{
        return ASN1_item_i2d_fp(&RSAPublicKey_it, fp, rsa);
}
LCRYPTO_ALIAS(i2d_RSAPublicKey_fp);
#endif

#ifndef OPENSSL_NO_DSA
DSA *
d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa)
{
        return ASN1_item_d2i_bio(&DSAPrivateKey_it, bp, dsa);
}
LCRYPTO_ALIAS(d2i_DSAPrivateKey_bio);

int
i2d_DSAPrivateKey_bio(BIO *bp, DSA *dsa)
{
        return ASN1_item_i2d_bio(&DSAPrivateKey_it, bp, dsa);
}
LCRYPTO_ALIAS(i2d_DSAPrivateKey_bio);

DSA *
d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa)
{
        return ASN1_item_d2i_fp(&DSAPrivateKey_it, fp, dsa);
}
LCRYPTO_ALIAS(d2i_DSAPrivateKey_fp);

int
i2d_DSAPrivateKey_fp(FILE *fp, DSA *dsa)
{
        return ASN1_item_i2d_fp(&DSAPrivateKey_it, fp, dsa);
}
LCRYPTO_ALIAS(i2d_DSAPrivateKey_fp);
#endif

#ifndef OPENSSL_NO_EC
EC_KEY *
d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey)
{
        return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, bp, eckey);
}
LCRYPTO_ALIAS(d2i_ECPrivateKey_bio);

int
i2d_ECPrivateKey_bio(BIO *bp, EC_KEY *eckey)
{
        return ASN1_i2d_bio_of(EC_KEY, i2d_ECPrivateKey, bp, eckey);
}
LCRYPTO_ALIAS(i2d_ECPrivateKey_bio);

EC_KEY *
d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey)
{
        return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, fp, eckey);
}
LCRYPTO_ALIAS(d2i_ECPrivateKey_fp);

int
i2d_ECPrivateKey_fp(FILE *fp, EC_KEY *eckey)
{
        return ASN1_i2d_fp_of(EC_KEY, i2d_ECPrivateKey, fp, eckey);
}
LCRYPTO_ALIAS(i2d_ECPrivateKey_fp);
#endif

X509_SIG *
d2i_PKCS8_bio(BIO *bp, X509_SIG **p8)
{
        return ASN1_item_d2i_bio(&X509_SIG_it, bp, p8);
}
LCRYPTO_ALIAS(d2i_PKCS8_bio);

int
i2d_PKCS8_bio(BIO *bp, X509_SIG *p8)
{
        return ASN1_item_i2d_bio(&X509_SIG_it, bp, p8);
}
LCRYPTO_ALIAS(i2d_PKCS8_bio);

X509_SIG *
d2i_PKCS8_fp(FILE *fp, X509_SIG **p8)
{
        return ASN1_item_d2i_fp(&X509_SIG_it, fp, p8);
}
LCRYPTO_ALIAS(d2i_PKCS8_fp);

int
i2d_PKCS8_fp(FILE *fp, X509_SIG *p8)
{
        return ASN1_item_i2d_fp(&X509_SIG_it, fp, p8);
}
LCRYPTO_ALIAS(i2d_PKCS8_fp);

PKCS8_PRIV_KEY_INFO *
d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, PKCS8_PRIV_KEY_INFO **p8inf)
{
        return ASN1_item_d2i_bio(&PKCS8_PRIV_KEY_INFO_it, bp,
            p8inf);
}
LCRYPTO_ALIAS(d2i_PKCS8_PRIV_KEY_INFO_bio);

int
i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, PKCS8_PRIV_KEY_INFO *p8inf)
{
        return ASN1_item_i2d_bio(&PKCS8_PRIV_KEY_INFO_it, bp,
            p8inf);
}
LCRYPTO_ALIAS(i2d_PKCS8_PRIV_KEY_INFO_bio);

PKCS8_PRIV_KEY_INFO *
d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, PKCS8_PRIV_KEY_INFO **p8inf)
{
        return ASN1_item_d2i_fp(&PKCS8_PRIV_KEY_INFO_it, fp,
            p8inf);
}
LCRYPTO_ALIAS(d2i_PKCS8_PRIV_KEY_INFO_fp);

int
i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, PKCS8_PRIV_KEY_INFO *p8inf)
{
        return ASN1_item_i2d_fp(&PKCS8_PRIV_KEY_INFO_it, fp,
            p8inf);
}
LCRYPTO_ALIAS(i2d_PKCS8_PRIV_KEY_INFO_fp);

EVP_PKEY *
d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a)
{
        return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey,
            bp, a);
}
LCRYPTO_ALIAS(d2i_PrivateKey_bio);

int
i2d_PrivateKey_bio(BIO *bp, EVP_PKEY *pkey)
{
        return ASN1_i2d_bio_of(EVP_PKEY, i2d_PrivateKey, bp, pkey);
}
LCRYPTO_ALIAS(i2d_PrivateKey_bio);

EVP_PKEY *
d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a)
{
        return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey,
            fp, a);
}
LCRYPTO_ALIAS(d2i_PrivateKey_fp);

int
i2d_PrivateKey_fp(FILE *fp, EVP_PKEY *pkey)
{
        return ASN1_i2d_fp_of(EVP_PKEY, i2d_PrivateKey, fp, pkey);
}
LCRYPTO_ALIAS(i2d_PrivateKey_fp);

int
i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, EVP_PKEY *key)
{
        PKCS8_PRIV_KEY_INFO *p8inf;
        int ret;

        p8inf = EVP_PKEY2PKCS8(key);
        if (!p8inf)
                return 0;
        ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
        PKCS8_PRIV_KEY_INFO_free(p8inf);
        return ret;
}
LCRYPTO_ALIAS(i2d_PKCS8PrivateKeyInfo_bio);

int
i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, EVP_PKEY *key)
{
        PKCS8_PRIV_KEY_INFO *p8inf;
        int ret;
        p8inf = EVP_PKEY2PKCS8(key);
        if (!p8inf)
                return 0;
        ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
        PKCS8_PRIV_KEY_INFO_free(p8inf);
        return ret;
}
LCRYPTO_ALIAS(i2d_PKCS8PrivateKeyInfo_fp);

int
X509_verify(X509 *a, EVP_PKEY *r)
{
        /*
         * The Certificate's signature AlgorithmIdentifier must match the one
         * inside the TBSCertificate, see RFC 5280, 4.1.1.2, 4.1.2.3.
         */
        if (X509_ALGOR_cmp(a->sig_alg, a->cert_info->signature) != 0)
                return 0;
        return ASN1_item_verify(&X509_CINF_it, a->sig_alg,
            a->signature, a->cert_info, r);
}
LCRYPTO_ALIAS(X509_verify);

int
X509_REQ_verify(X509_REQ *a, EVP_PKEY *r)
{
        return ASN1_item_verify(&X509_REQ_INFO_it,
            a->sig_alg, a->signature, a->req_info, r);
}
LCRYPTO_ALIAS(X509_REQ_verify);

int
NETSCAPE_SPKI_verify(NETSCAPE_SPKI *a, EVP_PKEY *r)
{
        return ASN1_item_verify(&NETSCAPE_SPKAC_it,
            a->sig_algor, a->signature, a->spkac, r);
}
LCRYPTO_ALIAS(NETSCAPE_SPKI_verify);

int
X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
{
        x->cert_info->enc.modified = 1;
        return ASN1_item_sign(&X509_CINF_it,
            x->cert_info->signature, x->sig_alg, x->signature,
            x->cert_info, pkey, md);
}
LCRYPTO_ALIAS(X509_sign);

int
X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx)
{
        x->cert_info->enc.modified = 1;
        return ASN1_item_sign_ctx(&X509_CINF_it,
            x->cert_info->signature, x->sig_alg, x->signature,
            x->cert_info, ctx);
}
LCRYPTO_ALIAS(X509_sign_ctx);

int
X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
{
        return ASN1_item_sign(&X509_REQ_INFO_it,
            x->sig_alg, NULL, x->signature, x->req_info, pkey, md);
}
LCRYPTO_ALIAS(X509_REQ_sign);

int
X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
{
        return ASN1_item_sign_ctx(&X509_REQ_INFO_it,
            x->sig_alg, NULL, x->signature, x->req_info, ctx);
}
LCRYPTO_ALIAS(X509_REQ_sign_ctx);

int
X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
{
        x->crl->enc.modified = 1;
        return ASN1_item_sign(&X509_CRL_INFO_it, x->crl->sig_alg,
            x->sig_alg, x->signature, x->crl, pkey, md);
}
LCRYPTO_ALIAS(X509_CRL_sign);

int
X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
{
        x->crl->enc.modified = 1;
        return ASN1_item_sign_ctx(&X509_CRL_INFO_it,
            x->crl->sig_alg, x->sig_alg, x->signature, x->crl, ctx);
}
LCRYPTO_ALIAS(X509_CRL_sign_ctx);

int
NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
{
        return ASN1_item_sign(&NETSCAPE_SPKAC_it,
            x->sig_algor, NULL, x->signature, x->spkac, pkey, md);
}
LCRYPTO_ALIAS(NETSCAPE_SPKI_sign);

int
X509_pubkey_digest(const X509 *data, const EVP_MD *type, unsigned char *md,
    unsigned int *len)
{
        ASN1_BIT_STRING *key;
        key = X509_get0_pubkey_bitstr(data);
        if (!key)
                return 0;
        return EVP_Digest(key->data, key->length, md, len, type, NULL);
}
LCRYPTO_ALIAS(X509_pubkey_digest);

int
X509_digest(const X509 *data, const EVP_MD *type, unsigned char *md,
    unsigned int *len)
{
        return ASN1_item_digest(&X509_it, type, (void *)data, md, len);
}
LCRYPTO_ALIAS(X509_digest);

int
X509_CRL_digest(const X509_CRL *data, const EVP_MD *type, unsigned char *md,
    unsigned int *len)
{
        return ASN1_item_digest(&X509_CRL_it, type, (void *)data, md, len);
}
LCRYPTO_ALIAS(X509_CRL_digest);

int
X509_REQ_digest(const X509_REQ *data, const EVP_MD *type, unsigned char *md,
    unsigned int *len)
{
        return ASN1_item_digest(&X509_REQ_it, type, (void *)data, md, len);
}
LCRYPTO_ALIAS(X509_REQ_digest);

int
X509_NAME_digest(const X509_NAME *data, const EVP_MD *type, unsigned char *md,
    unsigned int *len)
{
        return ASN1_item_digest(&X509_NAME_it, type, (void *)data, md, len);
}
LCRYPTO_ALIAS(X509_NAME_digest);

int
X509_up_ref(X509 *x)
{
        return CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509) > 1;
}
LCRYPTO_ALIAS(X509_up_ref);