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/**************************************************************************
*** COPYRIGHT (c) 2002 by TransNexus, Inc.                              ***
***                                                                     ***
*** This software is property of TransNexus, Inc.                       ***
*** This software is freely available under license from TransNexus.    ***
*** The license terms and conditions for free use of this software by   ***
*** third parties are defined in the OSP Toolkit Software License       ***
*** Agreement (LICENSE.txt).  Any use of this software by third         ***
*** parties, which does not comply with the terms and conditions of the ***
*** OSP Toolkit Software License Agreement is prohibited without        ***
*** the prior, express, written consent of TransNexus, Inc.             ***
***                                                                     ***
*** Thank you for using the OSP ToolKit(TM).  Please report any bugs,   ***
*** suggestions or feedback to support@transnexus.com                   ***
***                                                                     ***
**************************************************************************/

/* osppkcs7.h - Constants and prototypes for PKCS#7 cryptographic messages */
#ifndef _OSPPKCS7_H
#define _OSPPKCS7_H

#include "osp/osp.h"
#include "osp/ospasn1.h"
#include "osp/ospx500.h"
#include "osp/ospx509.h"
#include "osp/osppkcs1.h"

/* SIGNED DATA typedef */
#define OSPC_SIGNERINFO_MAX_ATTRIBUTES  10
#define OSPC_PKCS7_SIGNERINFO_VERSION   1
#define OSPC_PKCS7_SIGNEDDATA_VERSION   1

/* Function Prototypes */
#ifdef __cplusplus
extern "C" {
#endif

    int OSPPPKCS7SignerInfosCreate(OSPTASN1OBJECT **ospvSignerInfos, OSPTASN1OBJECT *ospvSignerInfo);
    int OSPPPKCS7SignerInfoCreate(OSPTASN1OBJECT **ospvSignerInfo, OSPTASN1OBJECT *ospvDataContent, OSPTASN1OBJECT *ospvDigestAlgorithm,
            OSPTASN1OBJECT *ospvSignerCertInfo, OSPTASN1OBJECT *ospvSignerPrivateKey);
    int OSPPPKCS7CertificatesCreate(OSPTASN1OBJECT **ospvCertificates, OSPTASN1OBJECT *ospvCertificate);
    int OSPPPKCS7DigestAlgorithmsCreate(OSPTASN1OBJECT **ospvDigestAlgorithms, OSPTASN1OBJECT *ospvDigestAlgorithm);
    int OSPPPKCS7SignedDataCreate(OSPTASN1OBJECT **ospvSignedData, OSPTASN1OBJECT *ospvContentInfo, OSPTASN1OBJECT *ospvSignerCertificates,
            OSPTASN1OBJECT *ospvSignerInfos, OSPTASN1OBJECT *ospvDigestAlgorithms);
    int OSPPPKCS7ContentInfoCreate(OSPTASN1OBJECT **ospvContentInfo, OSPTASN1OBJECT *ospvContent, OSPEASN1ID ospvContentTypeId, int ospvSignatureOnly);
    int OSPPPKCS7SignatureCreate(unsigned char *ospvContent,    /* In - data to signed */
            unsigned ospvContentLength,                         /* In - length of data to sign */
            OSPTASN1OBJECT *ospvDigestAlgorithm,                /* In - ptr to digest Algorithm */
            OSPTASN1OBJECT *ospvSignerCertInfo,                 /* In - ptr to signer cert info */
            OSPTASN1OBJECT *ospvSignerPrivateKeyInfo,           /* In - ptr to private key struct */
            int ospvSignatureOnly,                              /* In - TRUE - no content in sig FALSE- content included in sig */
            unsigned char **ospvSignature,                      /* Out - ptr to ptr to sig store */
            unsigned *ospvSignatureLength);                     /* Out - length of signature */
    int OSPPPKCS7SignatureParse(OSPTASN1OBJECT **ospvSignatureObject, unsigned char *ospvSignature, unsigned int ospvSignatureLength);
    int OSPPPKCS7SignatureGetContent(OSPTASN1OBJECT *ospvSignatureObject, unsigned char **ospvContent, unsigned int *ospvContentLength,
            OSPTASN1ELEMENTINFO **);
    int OSPPPKCS7SignatureVerify(OSPTASN1OBJECT *ospvSignatureObject, unsigned char *ospvContent, unsigned int ospvContentLength,
            OSPTASN1OBJECT **ospvAuthorityCertificates, unsigned int ospvNumberOfAuthorityCertificates);
    int OSPPPKCS7DigestInfoCreate(OSPTASN1OBJECT **ospvDigestInfo, OSPTASN1OBJECT *ospvDigestAlgorithm, unsigned char *ospvContent,
            unsigned int ospvContentLength);

#ifdef __cplusplus
}
#endif

#endif /* _OSPPKCS7_H */