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/* 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 <openssl/x509.h>
#include <limits.h>
#include <openssl/asn1.h>
#include <openssl/digest.h>
#include <openssl/dsa.h>
#include <openssl/evp.h>
#include <openssl/mem.h>
#include <openssl/rsa.h>
#include <openssl/stack.h>
#include "internal.h"
int X509_verify(X509 *x509, EVP_PKEY *pkey)
{
if (X509_ALGOR_cmp(x509->sig_alg, x509->cert_info->signature)) {
OPENSSL_PUT_ERROR(X509, X509_R_SIGNATURE_ALGORITHM_MISMATCH);
return 0;
}
return ASN1_item_verify(ASN1_ITEM_rptr(X509_CINF), x509->sig_alg,
x509->signature, x509->cert_info, pkey);
}
int X509_REQ_verify(X509_REQ *req, EVP_PKEY *pkey)
{
return ASN1_item_verify(ASN1_ITEM_rptr(X509_REQ_INFO),
req->sig_alg, req->signature, req->req_info, pkey);
}
int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
{
x->cert_info->enc.modified = 1;
return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CINF), x->cert_info->signature,
x->sig_alg, x->signature, x->cert_info, pkey, md));
}
int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx)
{
x->cert_info->enc.modified = 1;
return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CINF),
x->cert_info->signature,
x->sig_alg, x->signature, x->cert_info, ctx);
}
int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
{
return (ASN1_item_sign(ASN1_ITEM_rptr(X509_REQ_INFO), x->sig_alg, NULL,
x->signature, x->req_info, pkey, md));
}
int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
{
return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO),
x->sig_alg, NULL, x->signature, x->req_info,
ctx);
}
int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
{
x->crl->enc.modified = 1;
return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CRL_INFO), x->crl->sig_alg,
x->sig_alg, x->signature, x->crl, pkey, md));
}
int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
{
x->crl->enc.modified = 1;
return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO),
x->crl->sig_alg, x->sig_alg, x->signature,
x->crl, ctx);
}
int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
{
return (ASN1_item_sign(ASN1_ITEM_rptr(NETSCAPE_SPKAC), x->sig_algor, NULL,
x->signature, x->spkac, pkey, md));
}
int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *spki, EVP_PKEY *pkey)
{
return (ASN1_item_verify(ASN1_ITEM_rptr(NETSCAPE_SPKAC), spki->sig_algor,
spki->signature, spki->spkac, pkey));
}
#ifndef OPENSSL_NO_FP_API
X509 *d2i_X509_fp(FILE *fp, X509 **x509)
{
return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509), fp, x509);
}
int i2d_X509_fp(FILE *fp, X509 *x509)
{
return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509), fp, x509);
}
#endif
X509 *d2i_X509_bio(BIO *bp, X509 **x509)
{
return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509), bp, x509);
}
int i2d_X509_bio(BIO *bp, X509 *x509)
{
return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509), bp, x509);
}
#ifndef OPENSSL_NO_FP_API
X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
{
return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
}
int i2d_X509_CRL_fp(FILE *fp, X509_CRL *crl)
{
return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
}
#endif
X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
{
return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
}
int i2d_X509_CRL_bio(BIO *bp, X509_CRL *crl)
{
return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
}
#ifndef OPENSSL_NO_FP_API
X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
{
return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
}
int i2d_X509_REQ_fp(FILE *fp, X509_REQ *req)
{
return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
}
#endif
X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
{
return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
}
int i2d_X509_REQ_bio(BIO *bp, X509_REQ *req)
{
return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
}
#ifndef OPENSSL_NO_FP_API
#define IMPLEMENT_D2I_FP(type, name, bio_func) \
type *name(FILE *fp, type **obj) { \
BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE); \
if (bio == NULL) { \
return NULL; \
} \
type *ret = bio_func(bio, obj); \
BIO_free(bio); \
return ret; \
}
#define IMPLEMENT_I2D_FP(type, name, bio_func) \
int name(FILE *fp, type *obj) { \
BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE); \
if (bio == NULL) { \
return 0; \
} \
int ret = bio_func(bio, obj); \
BIO_free(bio); \
return ret; \
}
IMPLEMENT_D2I_FP(RSA, d2i_RSAPrivateKey_fp, d2i_RSAPrivateKey_bio)
IMPLEMENT_I2D_FP(RSA, i2d_RSAPrivateKey_fp, i2d_RSAPrivateKey_bio)
IMPLEMENT_D2I_FP(RSA, d2i_RSAPublicKey_fp, d2i_RSAPublicKey_bio)
IMPLEMENT_I2D_FP(RSA, i2d_RSAPublicKey_fp, i2d_RSAPublicKey_bio)
IMPLEMENT_D2I_FP(RSA, d2i_RSA_PUBKEY_fp, d2i_RSA_PUBKEY_bio)
IMPLEMENT_I2D_FP(RSA, i2d_RSA_PUBKEY_fp, i2d_RSA_PUBKEY_bio)
#endif
#define IMPLEMENT_D2I_BIO(type, name, d2i_func) \
type *name(BIO *bio, type **obj) { \
uint8_t *data; \
size_t len; \
if (!BIO_read_asn1(bio, &data, &len, 100 * 1024)) { \
return NULL; \
} \
const uint8_t *ptr = data; \
type *ret = d2i_func(obj, &ptr, (long)len); \
OPENSSL_free(data); \
return ret; \
}
#define IMPLEMENT_I2D_BIO(type, name, i2d_func) \
int name(BIO *bio, type *obj) { \
uint8_t *data = NULL; \
int len = i2d_func(obj, &data); \
if (len < 0) { \
return 0; \
} \
int ret = BIO_write_all(bio, data, len); \
OPENSSL_free(data); \
return ret; \
}
IMPLEMENT_D2I_BIO(RSA, d2i_RSAPrivateKey_bio, d2i_RSAPrivateKey)
IMPLEMENT_I2D_BIO(RSA, i2d_RSAPrivateKey_bio, i2d_RSAPrivateKey)
IMPLEMENT_D2I_BIO(RSA, d2i_RSAPublicKey_bio, d2i_RSAPublicKey)
IMPLEMENT_I2D_BIO(RSA, i2d_RSAPublicKey_bio, i2d_RSAPublicKey)
IMPLEMENT_D2I_BIO(RSA, d2i_RSA_PUBKEY_bio, d2i_RSA_PUBKEY)
IMPLEMENT_I2D_BIO(RSA, i2d_RSA_PUBKEY_bio, i2d_RSA_PUBKEY)
#ifndef OPENSSL_NO_DSA
# ifndef OPENSSL_NO_FP_API
IMPLEMENT_D2I_FP(DSA, d2i_DSAPrivateKey_fp, d2i_DSAPrivateKey_bio)
IMPLEMENT_I2D_FP(DSA, i2d_DSAPrivateKey_fp, i2d_DSAPrivateKey_bio)
IMPLEMENT_D2I_FP(DSA, d2i_DSA_PUBKEY_fp, d2i_DSA_PUBKEY_bio)
IMPLEMENT_I2D_FP(DSA, i2d_DSA_PUBKEY_fp, i2d_DSA_PUBKEY_bio)
# endif
IMPLEMENT_D2I_BIO(DSA, d2i_DSAPrivateKey_bio, d2i_DSAPrivateKey)
IMPLEMENT_I2D_BIO(DSA, i2d_DSAPrivateKey_bio, i2d_DSAPrivateKey)
IMPLEMENT_D2I_BIO(DSA, d2i_DSA_PUBKEY_bio, d2i_DSA_PUBKEY)
IMPLEMENT_I2D_BIO(DSA, i2d_DSA_PUBKEY_bio, i2d_DSA_PUBKEY)
#endif
#ifndef OPENSSL_NO_FP_API
IMPLEMENT_D2I_FP(EC_KEY, d2i_ECPrivateKey_fp, d2i_ECPrivateKey_bio)
IMPLEMENT_I2D_FP(EC_KEY, i2d_ECPrivateKey_fp, i2d_ECPrivateKey_bio)
IMPLEMENT_D2I_FP(EC_KEY, d2i_EC_PUBKEY_fp, d2i_EC_PUBKEY_bio)
IMPLEMENT_I2D_FP(EC_KEY, i2d_EC_PUBKEY_fp, i2d_EC_PUBKEY_bio)
#endif
IMPLEMENT_D2I_BIO(EC_KEY, d2i_ECPrivateKey_bio, d2i_ECPrivateKey)
IMPLEMENT_I2D_BIO(EC_KEY, i2d_ECPrivateKey_bio, i2d_ECPrivateKey)
IMPLEMENT_D2I_BIO(EC_KEY, d2i_EC_PUBKEY_bio, d2i_EC_PUBKEY)
IMPLEMENT_I2D_BIO(EC_KEY, i2d_EC_PUBKEY_bio, i2d_EC_PUBKEY)
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);
}
int X509_digest(const X509 *data, const EVP_MD *type, unsigned char *md,
unsigned int *len)
{
return (ASN1_item_digest
(ASN1_ITEM_rptr(X509), type, (char *)data, md, len));
}
int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
unsigned char *md, unsigned int *len)
{
return (ASN1_item_digest
(ASN1_ITEM_rptr(X509_CRL), type, (char *)data, md, len));
}
int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type,
unsigned char *md, unsigned int *len)
{
return (ASN1_item_digest
(ASN1_ITEM_rptr(X509_REQ), type, (char *)data, md, len));
}
int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
unsigned char *md, unsigned int *len)
{
return (ASN1_item_digest
(ASN1_ITEM_rptr(X509_NAME), type, (char *)data, md, len));
}
#ifndef OPENSSL_NO_FP_API
IMPLEMENT_D2I_FP(X509_SIG, d2i_PKCS8_fp, d2i_PKCS8_bio)
IMPLEMENT_I2D_FP(X509_SIG, i2d_PKCS8_fp, i2d_PKCS8_bio)
#endif
IMPLEMENT_D2I_BIO(X509_SIG, d2i_PKCS8_bio, d2i_X509_SIG)
IMPLEMENT_I2D_BIO(X509_SIG, i2d_PKCS8_bio, i2d_X509_SIG)
#ifndef OPENSSL_NO_FP_API
IMPLEMENT_D2I_FP(PKCS8_PRIV_KEY_INFO, d2i_PKCS8_PRIV_KEY_INFO_fp,
d2i_PKCS8_PRIV_KEY_INFO_bio)
IMPLEMENT_I2D_FP(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO_fp,
i2d_PKCS8_PRIV_KEY_INFO_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;
}
IMPLEMENT_D2I_FP(EVP_PKEY, d2i_PrivateKey_fp, d2i_PrivateKey_bio)
IMPLEMENT_I2D_FP(EVP_PKEY, i2d_PrivateKey_fp, i2d_PrivateKey_bio)
IMPLEMENT_D2I_FP(EVP_PKEY, d2i_PUBKEY_fp, d2i_PUBKEY_bio)
IMPLEMENT_I2D_FP(EVP_PKEY, i2d_PUBKEY_fp, i2d_PUBKEY_bio)
IMPLEMENT_D2I_BIO(PKCS8_PRIV_KEY_INFO, d2i_PKCS8_PRIV_KEY_INFO_bio,
d2i_PKCS8_PRIV_KEY_INFO)
IMPLEMENT_I2D_BIO(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO_bio,
i2d_PKCS8_PRIV_KEY_INFO)
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;
}
#endif
IMPLEMENT_D2I_BIO(EVP_PKEY, d2i_PrivateKey_bio, d2i_AutoPrivateKey)
IMPLEMENT_I2D_BIO(EVP_PKEY, i2d_PrivateKey_bio, i2d_PrivateKey)
IMPLEMENT_D2I_BIO(EVP_PKEY, d2i_PUBKEY_bio, d2i_PUBKEY)
IMPLEMENT_I2D_BIO(EVP_PKEY, i2d_PUBKEY_bio, i2d_PUBKEY)
IMPLEMENT_D2I_BIO(DH, d2i_DHparams_bio, d2i_DHparams)
IMPLEMENT_I2D_BIO(const DH, i2d_DHparams_bio, i2d_DHparams)