int CMS_EncryptedData_set1_key(CMS_ContentInfo *cms, const EVP_CIPHER *ciph,
const unsigned char *key, size_t keylen)
{
CMS_EncryptedContentInfo *ec;
if (!key || !keylen)
{
CMSerr(CMS_F_CMS_ENCRYPTEDDATA_SET1_KEY, CMS_R_NO_KEY);
return 0;
}
if (ciph)
{
cms->d.encryptedData = M_ASN1_new_of(CMS_EncryptedData);
if (!cms->d.encryptedData)
{
CMSerr(CMS_F_CMS_ENCRYPTEDDATA_SET1_KEY,
ERR_R_MALLOC_FAILURE);
return 0;
}
cms->contentType = OBJ_nid2obj(NID_pkcs7_encrypted);
cms->d.encryptedData->version = 0;
}
else if (OBJ_obj2nid(cms->contentType) != NID_pkcs7_encrypted)
{
CMSerr(CMS_F_CMS_ENCRYPTEDDATA_SET1_KEY,
CMS_R_NOT_ENCRYPTED_DATA);
return 0;
}
ec = cms->d.encryptedData->encryptedContentInfo;
return cms_EncryptedContent_init(ec, ciph, key, keylen);
}
CMS_ContentInfo *CMS_EnvelopedData_create(const EVP_CIPHER *cipher)
{
CMS_ContentInfo *cms;
CMS_EnvelopedData *env;
cms = CMS_ContentInfo_new();
if (!cms)
goto merr;
env = cms_enveloped_data_init(cms);
if (!env)
goto merr;
if (!cms_EncryptedContent_init(env->encryptedContentInfo,
cipher, NULL, 0))
goto merr;
return cms;
merr:
CMS_ContentInfo_free(cms);
CMSerr(CMS_F_CMS_ENVELOPEDDATA_CREATE, ERR_R_MALLOC_FAILURE);
return NULL;
}