pkcs7.h

SDL文件。SDL_ERROwenjian.....

/* crypto/pkcs7/pkcs7.h */
/* Copyright (C) 1995-1998 Eric Young ([e-mail])
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young ([e-mail]).
 * 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 ([e-mail]).
 * 
 * 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 ([e-mail])"
 *    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 ([e-mail])"
 * 
 * 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.]
 */

#ifndef HEADER_PKCS7_H
#define HEADER_PKCS7_H

#include <openssl/asn1.h>
#include <openssl/bio.h>
#include <openssl/e_os2.h>

#include <openssl/symhacks.h>
#include <openssl/ossl_typ.h>

#ifdef  __cplusplus
extern "C" {
#endif

#ifdef OPENSSL_SYS_WIN32
/* Under Win32 thes are defined in wincrypt.h */
#undef PKCS7_ISSUER_AND_SERIAL
#undef PKCS7_SIGNER_INFO
#endif

/*
Encryption_ID		DES-CBC
Digest_ID		MD5
Digest_Encryption_ID	rsaEncryption
Key_Encryption_ID	rsaEncryption
*/

typedef struct pkcs7_issuer_and_serial_st
	{
	X509_NAME *issuer;
	ASN1_INTEGER *serial;
	} PKCS7_ISSUER_AND_SERIAL;

typedef struct pkcs7_signer_info_st
	{
	ASN1_INTEGER 			*version;	/* version 1 */
	PKCS7_ISSUER_AND_SERIAL		*issuer_and_serial;
	X509_ALGOR			*digest_alg;
	STACK_OF(X509_ATTRIBUTE)	*auth_attr;	/* [ 0 ] */
	X509_ALGOR			*digest_enc_alg;
	ASN1_OCTET_STRING		*enc_digest;
	STACK_OF(X509_ATTRIBUTE)	*unauth_attr;	/* [ 1 ] */

	/* The private key to sign with */
	EVP_PKEY			*pkey;
	} PKCS7_SIGNER_INFO;

DECLARE_STACK_OF(PKCS7_SIGNER_INFO)
DECLARE_ASN1_SET_OF(PKCS7_SIGNER_INFO)

typedef struct pkcs7_recip_info_st
	{
	ASN1_INTEGER			*version;	/* version 0 */
	PKCS7_ISSUER_AND_SERIAL		*issuer_and_serial;
	X509_ALGOR			*key_enc_algor;
	ASN1_OCTET_STRING		*enc_key;
	X509				*cert; /* get the pub-key from this */
	} PKCS7_RECIP_INFO;

DECLARE_STACK_OF(PKCS7_RECIP_INFO)
DECLARE_ASN1_SET_OF(PKCS7_RECIP_INFO)

typedef struct pkcs7_signed_st
	{
	ASN1_INTEGER			*version;	/* version 1 */
	STACK_OF(X509_ALGOR)		*md_algs;	/* md used */
	STACK_OF(X509)			*cert;		/* [ 0 ] */
	STACK_OF(X509_CRL)		*crl;		/* [ 1 ] */
	STACK_OF(PKCS7_SIGNER_INFO)	*signer_info;

	struct pkcs7_st			*contents;
	} PKCS7_SIGNED;
/* The above structure is very very similar to PKCS7_SIGN_ENVELOPE.
 * How about merging the two */

typedef struct pkcs7_enc_content_st
	{
	ASN1_OBJECT			*content_type;
	X509_ALGOR			*algorithm;
	ASN1_OCTET_STRING		*enc_data;	/* [ 0 ] */
	const EVP_CIPHER		*cipher;
	} PKCS7_ENC_CONTENT;

typedef struct pkcs7_enveloped_st
	{
	ASN1_INTEGER			*version;	/* version 0 */
	STACK_OF(PKCS7_RECIP_INFO)	*recipientinfo;
	PKCS7_ENC_CONTENT		*enc_data;
	} PKCS7_ENVELOPE;

typedef struct pkcs7_signedandenveloped_st
	{
	ASN1_INTEGER			*version;	/* version 1 */
	STACK_OF(X509_ALGOR)		*md_algs;	/* md used */
	STACK_OF(X509)			*cert;		/* [ 0 ] */
	STACK_OF(X509_CRL)		*crl;		/* [ 1 ] */
	STACK_OF(PKCS7_SIGNER_INFO)	*signer_info;

	PKCS7_ENC_CONTENT		*enc_data;
	STACK_OF(PKCS7_RECIP_INFO)	*recipientinfo;
	} PKCS7_SIGN_ENVELOPE;

typedef struct pkcs7_digest_st
	{
	ASN1_INTEGER			*version;	/* version 0 */
	X509_ALGOR			*md;		/* md used */
	struct pkcs7_st 		*contents;
	ASN1_OCTET_STRING		*digest;
	} PKCS7_DIGEST;

typedef struct pkcs7_encrypted_st
	{
	ASN1_INTEGER			*version;	/* version 0 */
	PKCS7_ENC_CONTENT		*enc_data;
	} PKCS7_ENCRYPT;

typedef struct pkcs7_st
	{
	/* The following is non NULL if it contains ASN1 encoding of
	 * this structure */
	unsigned char *asn1;
	long length;

#define PKCS7_S_HEADER	0
#define PKCS7_S_BODY	1
#define PKCS7_S_TAIL	2
	int state; /* used during processing */

	int detached;

	ASN1_OBJECT *type;
	/* content as defined by the type */
	/* all encryption/message digests are applied to the 'contents',
	 * leaving out the 'type' field. */
	union	{
		char *ptr;

		/* NID_pkcs7_data */
		ASN1_OCTET_STRING *data;

		/* NID_pkcs7_signed */
		PKCS7_SIGNED *sign;

		/* NID_pkcs7_enveloped */
		PKCS7_ENVELOPE *enveloped;

		/* NID_pkcs7_signedAndEnveloped */
		PKCS7_SIGN_ENVELOPE *signed_and_enveloped;

		/* NID_pkcs7_digest */
		PKCS7_DIGEST *digest;

		/* NID_pkcs7_encrypted */
		PKCS7_ENCRYPT *encrypted;

		/* Anything else */
		ASN1_TYPE *other;
		} d;
	} PKCS7;

DECLARE_STACK_OF(PKCS7)
DECLARE_ASN1_SET_OF(PKCS7)
DECLARE_PKCS12_STACK_OF(PKCS7)

#define PKCS7_OP_SET_DETACHED_SIGNATURE	1
#define PKCS7_OP_GET_DETACHED_SIGNATURE	2

#define PKCS7_get_signed_attributes(si)	((si)->auth_attr)
#define PKCS7_get_attributes(si)	((si)->unauth_attr)

#define PKCS7_type_is_signed(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_signed)
#define PKCS7_type_is_encrypted(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_encrypted)
#define PKCS7_type_is_enveloped(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_enveloped)
#define PKCS7_type_is_signedAndEnveloped(a) \
		(OBJ_obj2nid((a)->type) == NID_pkcs7_signedAndEnveloped)