path: root/crypto/cms/cms.h

/* crypto/cms/cms.h */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project.
 */
/* ====================================================================
 * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
 *
 * 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 above 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 */


#ifndef HEADER_CMS_H
#define HEADER_CMS_H

#include <openssl/x509.h>

#ifdef OPENSSL_NO_CMS
#error CMS is disabled.
#endif

#ifdef __cplusplus
extern "C" {
#endif


typedef struct CMS_ContentInfo_st CMS_ContentInfo;
typedef struct CMS_SignerInfo_st CMS_SignerInfo;
typedef struct CMS_CertificateChoices CMS_CertificateChoices;
typedef struct CMS_RevocationInfoChoice_st CMS_RevocationInfoChoice;
typedef struct CMS_RecipientInfo_st CMS_RecipientInfo;
typedef struct CMS_ReceiptRequest_st CMS_ReceiptRequest;
typedef struct CMS_Receipt_st CMS_Receipt;

DECLARE_STACK_OF(CMS_SignerInfo)
DECLARE_STACK_OF(GENERAL_NAMES)
DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
DECLARE_ASN1_FUNCTIONS(CMS_ReceiptRequest)
DECLARE_ASN1_PRINT_FUNCTION(CMS_ContentInfo)

#define CMS_SIGNERINFO_ISSUER_SERIAL	0
#define CMS_SIGNERINFO_KEYIDENTIFIER	1

#define CMS_RECIPINFO_TRANS		0
#define CMS_RECIPINFO_AGREE		1
#define CMS_RECIPINFO_KEK		2
#define CMS_RECIPINFO_PASS		3
#define CMS_RECIPINFO_OTHER		4

/* S/MIME related flags */

#define CMS_TEXT			0x1
#define CMS_NOCERTS			0x2
#define CMS_NO_CONTENT_VERIFY		0x4
#define CMS_NO_ATTR_VERIFY		0x8
#define CMS_NOSIGS			\
			(CMS_NO_CONTENT_VERIFY|CMS_NO_ATTR_VERIFY)
#define CMS_NOINTERN			0x10
#define CMS_NO_SIGNER_CERT_VERIFY	0x20
#define CMS_NOVERIFY			0x20
#define CMS_DETACHED			0x40
#define CMS_BINARY			0x80
#define CMS_NOATTR			0x100
#define	CMS_NOSMIMECAP			0x200
#define CMS_NOOLDMIMETYPE		0x400
#define CMS_CRLFEOL			0x800
#define CMS_STREAM			0x1000
#define CMS_NOCRL			0x2000
#define CMS_PARTIAL			0x4000
#define CMS_REUSE_DIGEST		0x8000
#define CMS_USE_KEYID			0x10000

const ASN1_OBJECT *CMS_get0_type(CMS_ContentInfo *cms);

BIO *CMS_dataInit(CMS_ContentInfo *cms, BIO *icont);
int CMS_dataFinal(CMS_ContentInfo *cms, BIO *bio);

ASN1_OCTET_STRING **CMS_get0_content(CMS_ContentInfo *cms);
int CMS_is_detached(CMS_ContentInfo *cms);
int CMS_set_detached(CMS_ContentInfo *cms, int detached);

#ifdef HEADER_PEM_H
DECLARE_PEM_rw_const(CMS, CMS_ContentInfo)
#endif

int CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms);
CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms);
int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms);

BIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms);
int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags);
int PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags);
CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont);
int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags);

int CMS_final(CMS_ContentInfo *cms, BIO *data, BIO *dcont, unsigned int flags);

CMS_ContentInfo *CMS_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
						BIO *data, unsigned int flags);

CMS_ContentInfo *CMS_sign_receipt(CMS_SignerInfo *si,
					X509 *signcert, EVP_PKEY *pkey,
					STACK_OF(X509) *certs,
					unsigned int flags);

int CMS_data(CMS_ContentInfo *cms, BIO *out, unsigned int flags);
CMS_ContentInfo *CMS_data_create(BIO *in, unsigned int flags);

int CMS_digest_verify(CMS_ContentInfo *cms, BIO *dcont, BIO *out,
							unsigned int flags);
CMS_ContentInfo *CMS_digest_create(BIO *in, const EVP_MD *md,
							unsigned int flags);

int CMS_EncryptedData_decrypt(CMS_ContentInfo *cms,
				const unsigned char *key, size_t keylen,
				BIO *dcont, BIO *out, unsigned int flags);

CMS_ContentInfo *CMS_EncryptedData_encrypt(BIO *in, const EVP_CIPHER *cipher,
					const unsigned char *key, size_t keylen,
					unsigned int flags);

int CMS_EncryptedData_set1_key(CMS_ContentInfo *cms, const EVP_CIPHER *ciph,
				const unsigned char *key, size_t keylen);

int CMS_verify(CMS_ContentInfo *cms, STACK_OF(X509) *certs,
		 X509_STORE *store, BIO *dcont, BIO *out, unsigned int flags);

int CMS_verify_receipt(CMS_ContentInfo *rcms, CMS_ContentInfo *ocms,
			STACK_OF(X509) *certs,
			X509_STORE *store, unsigned int flags);

STACK_OF(X509) *CMS_get0_signers(CMS_ContentInfo *cms);

CMS_ContentInfo *CMS_encrypt(STACK_OF(X509) *certs, BIO *in,
				const EVP_CIPHER *cipher, unsigned int flags);

int CMS_decrypt(CMS_ContentInfo *cms, EVP_PKEY *pkey, X509 *cert,
				BIO *dcont, BIO *out,
				unsigned int flags);
	
int CMS_decrypt_set1_pkey(CMS_ContentInfo *cms, EVP_PKEY *pk, X509 *cert);
int CMS_decrypt_set1_key(CMS_ContentInfo *cms, 
				unsigned char *key, size_t keylen,
				unsigned char *id, size_t idlen);

STACK_OF(CMS_RecipientInfo) *CMS_get0_RecipientInfos(CMS_ContentInfo *cms);
int CMS_RecipientInfo_type(CMS_RecipientInfo *ri);
CMS_ContentInfo *CMS_EnvelopedData_create(const EVP_CIPHER *cipher);
CMS_RecipientInfo *CMS_add1_recipient_cert(CMS_ContentInfo *cms,
					X509 *recip, unsigned int flags);
int CMS_RecipientInfo_set0_pkey(CMS_RecipientInfo *ri, EVP_PKEY *pkey);
int CMS_RecipientInfo_ktri_cert_cmp(CMS_RecipientInfo *ri, X509 *cert);
int CMS_RecipientInfo_ktri_get0_algs(CMS_RecipientInfo *ri,
					EVP_PKEY **pk, X509 **recip,
					X509_ALGOR **palg);
int CMS_RecipientInfo_ktri_get0_signer_id(CMS_RecipientInfo *ri,
					ASN1_OCTET_STRING **keyid,
					X509_NAME **issuer, ASN1_INTEGER **sno);

CMS_RecipientInfo *CMS_add0_recipient_key(CMS_ContentInfo *cms, int nid,
					unsigned char *key, size_t keylen,
					unsigned char *id, size_t idlen,
					ASN1_GENERALIZEDTIME *date,
					ASN1_OBJECT *otherTypeId,
					ASN1_TYPE *otherType);

int CMS_RecipientInfo_kekri_get0_id(CMS_RecipientInfo *ri,
					X509_ALGOR **palg,
					ASN1_OCTET_STRING **pid,
					ASN1_GENERALIZEDTIME **pdate,
					ASN1_OBJECT **potherid,
					ASN1_TYPE **pothertype);

int CMS_RecipientInfo_set0_key(CMS_RecipientInfo *ri, 
				unsigned char *key, size_t keylen);

int CMS_RecipientInfo_kekri_id_cmp(CMS_RecipientInfo *ri, 
					const unsigned char *id, size_t idlen);

int CMS_RecipientInfo_decrypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri);
	
int CMS_uncompress(CMS_ContentInfo *cms, BIO *dcont, BIO *out,
							unsigned int flags);
CMS_ContentInfo *CMS_compress(BIO *in, int comp_nid, unsigned int flags);

int CMS_set1_eContentType(CMS_ContentInfo *cms, const ASN1_OBJECT