// Funkcja umieszcza w ContentInfo struktur�SignedData. Jeeli
// w ContentInfo istniay ju jakie dane, zostan zwolnione,
// a na ich miejsce umieszczona podana strukturka
// Wykonywana jest kopia struktury SignedData
long ContentInfo_set_SignedData(ContentInfo_t* content, SignedData_t* sigData)
{
long OID_id_signedData[] = {OID_CMS_ID_SIGNED_DATA_LONG};
long ret;
if ((content == NULL) || (sigData == NULL))
return ERR_WRONG_ARGUMENT;
// wyzeruj strukture ContentInfo
asn_DEF_ContentInfo.free_struct( &asn_DEF_ContentInfo,
content, 1);
memset(content, 0, sizeof(ContentInfo_t));
// ustaw identyfikator
OBJECT_IDENTIFIER_set_arcs(
&(content->contentType),
OID_id_signedData,
sizeof(*OID_id_signedData),
sizeof(OID_id_signedData)/sizeof(*OID_id_signedData));
// umiesc dane
ret = ANY_fromType(&content->content, &asn_DEF_SignedData, sigData);
if ( ret )
return ret;
return 0;
}
// Umieszczenie danych zaszyfrowanych i informacji o algorytmie
// szyfrujacym w strukturze
// WYKONYWANE SA KOPIE iv oraz data
long EnvelopedData_set_EncryptedData(EnvelopedData_t *envData,GenBuf_t *iv,GenBuf_t *data,bmd_encryption_params_t *options)
{
long OID_id_data[] = {OID_CMS_ID_DATA_LONG};
/*long OID_id_DES_CBC[] = {1,3,14,3,2,7};*/
long OID_id_DES_EDE3_CBC[] = {1,2,840,113549,3,7};
long *oid;
long oidsize;
long err = 0;
OCTET_STRING_t *oiv = NULL;
// set data OID
err = OBJECT_IDENTIFIER_set_arcs(&(envData->encryptedContentInfo.contentType),OID_id_data, sizeof(OID_id_data[0]),
sizeof(OID_id_data)/sizeof(OID_id_data[0]));
if ( err )
return err;
// set Algorithm OID
if ( options->encryption_algo == BMD_CRYPT_ALGO_DES3 )
{
oid = OID_id_DES_EDE3_CBC;
oidsize = sizeof(OID_id_DES_EDE3_CBC)/sizeof(OID_id_DES_EDE3_CBC[0]);
}
else
return BMD_ERR_UNIMPLEMENTED;
err = AlgorithmIdentifier_set_OID(&(envData->encryptedContentInfo.contentEncryptionAlgorithm),oid, oidsize);
if ( err )
return err;
// set Algorithm IV
oiv = mallocStructure(sizeof(OCTET_STRING_t));
OCTET_STRING_fromBuf(oiv,(char *)iv->buf, iv->size);
envData->encryptedContentInfo.contentEncryptionAlgorithm.parameters = mallocStructure(sizeof(ANY_t));
err = ANY_fromType(envData->encryptedContentInfo.contentEncryptionAlgorithm.parameters, &asn_DEF_OCTET_STRING, oiv);
if ( err )
return ERR_OPERATION_FAILED;
asn_DEF_OCTET_STRING.free_struct(&asn_DEF_OCTET_STRING,oiv, 0);
if( options->encryption_type==BMD_CMS_ENV_INTERNAL )
{
// set Encrypted Data
envData->encryptedContentInfo.encryptedContent = mallocStructure(sizeof(EncryptedContent_t));
OCTET_STRING_fromBuf(envData->encryptedContentInfo.encryptedContent,(char *)data->buf, data->size);
}
return err;
}
// Funkcja umieszcza w ContentInfo struktur�EnvelopedData. Jeeli
// w ContentInfo istniay ju jakie dane, zostan zwolnione,
// a na ich miejsce umieszczona podana strukturka
// Wykonywana jest kopia struktury EnvelopedData
long ContentInfo_set_EnvelopedData(ContentInfo_t* content, EnvelopedData_t* envData)
{
long OID_id_envelopedData[] = {OID_CMS_ID_ENVELOPED_DATA_LONG};
long err = 0;
if ((content == NULL) || (envData == NULL))
return ERR_WRONG_ARGUMENT;
// wyzeruj strukture ContentInfo
asn_DEF_ContentInfo.free_struct( &asn_DEF_ContentInfo,
content, 1);
memset(content, 0, sizeof(ContentInfo_t));
// ustaw identyfikator
OBJECT_IDENTIFIER_set_arcs(
&(content->contentType),
OID_id_envelopedData,
sizeof(*OID_id_envelopedData),
sizeof(OID_id_envelopedData)/sizeof(*OID_id_envelopedData));
// umiesc dane
err = ANY_fromType(&content->content, &asn_DEF_EnvelopedData, envData);
if ( err )
return err;
return err;
}
ANY_t *
ANY_new_fromType(asn_TYPE_descriptor_t *td, void *sptr) {
ANY_t tmp;
ANY_t *st;
if(!td || !sptr) {
errno = EINVAL;
return 0;
}
memset(&tmp, 0, sizeof(tmp));
if(ANY_fromType(&tmp, td, sptr)) return 0;
st = (ANY_t *)CALLOC(1, sizeof(ANY_t));
if(st) {
*st = tmp;
return st;
} else {
FREEMEM(tmp.buf);
return 0;
}
}
