wolfssl/cyassl/ctaocrypt/pkcs7.h
2014-01-13 13:19:44 -07:00

105 lines
3.2 KiB
C

/* pkcs7.h
*
* Copyright (C) 2006-2013 wolfSSL Inc.
*
* This file is part of CyaSSL.
*
* CyaSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* CyaSSL is distributed in the hope that it will be useful,
* * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_PKCS7
#ifndef CTAO_CRYPT_PKCS7_H
#define CTAO_CRYPT_PKCS7_H
#include <cyassl/ctaocrypt/types.h>
#include <cyassl/ctaocrypt/asn.h>
#include <cyassl/ctaocrypt/asn_public.h>
#include <cyassl/ctaocrypt/random.h>
#include <cyassl/ctaocrypt/des3.h>
#ifdef __cplusplus
extern "C" {
#endif
enum PKCS7_TYPES {
PKCS7_MSG = 650, /* 1.2.840.113549.1.7 */
DATA = 651, /* 1.2.840.113549.1.7.1 */
SIGNED_DATA = 652, /* 1.2.840.113549.1.7.2 */
ENVELOPED_DATA = 653, /* 1.2.840.113549.1.7.3 */
SIGNED_AND_ENVELOPED_DATA = 654, /* 1.2.840.113549.1.7.4 */
DIGESTED_DATA = 655, /* 1.2.840.113549.1.7.5 */
ENCRYPTED_DATA = 656 /* 1.2.840.113549.1.7.6 */
};
enum Pkcs7_Misc {
MAX_ENCRYPTED_KEY_SZ = 512, /* max enc. key size, RSA <= 4096 */
MAX_CONTENT_KEY_LEN = DES3_KEYLEN,
MAX_RECIP_SZ = MAX_VERSION_SZ +
MAX_SEQ_SZ + ASN_NAME_MAX + MAX_SN_SZ +
MAX_SEQ_SZ + MAX_ALGO_SZ + 1 + MAX_ENCRYPTED_KEY_SZ
};
typedef struct PKCS7Attrib {
byte* oid;
word32 oidSz;
byte* value;
word32 valueSz;
} PKCS7Attrib;
typedef struct PKCS7 {
byte* content;
word32 contentSz;
int contentOID;
int hashOID;
int encryptOID;
byte* singleCert;
word32 singleCertSz;
byte* issuer;
word32 issuerSz;
PKCS7Attrib** signedAttribs;
word32 signedAttribsSz; /* Number of attribs in list */
} PKCS7;
CYASSL_LOCAL int SetContentType(int pkcs7TypeOID, byte* output);
CYASSL_LOCAL int CreateRecipientInfo(const byte* cert, word32 certSz,
int keyEncAlgo, int blockKeySz,
RNG* rng, byte* contentKeyPlain,
byte* contentKeyEnc,
int* keyEncSz, byte* out, word32 outSz);
CYASSL_API int PKCS7_InitWithCert(PKCS7* pkcs7, byte* cert, word32 certSz);
CYASSL_API int PKCS7_EncodeData(PKCS7* pkcs7, byte* output, word32 outputSz);
CYASSL_API int PKCS7_EncodeSignedData(PKCS7* pkcs7,
byte* output, word32 outputSz);
CYASSL_API int PKCS7_EncodeEnvelopeData(PKCS7* pkcs7,
byte* output, word32 outputSz);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* CTAO_CRYPT_PKCS7_H */
#endif /* HAVE_PKCS7 */