+ X509_ALGOR *alg;
+
+ if (!(alg = X509_ALGOR_new())) {
+ PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ ASN1_OBJECT_free(alg->algorithm);
+ alg->algorithm = OBJ_nid2obj(nid);
+ if (arg > 0) {
+ ASN1_INTEGER *nbit;
+ if (!(alg->parameter = ASN1_TYPE_new())) {
+ PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ if (!(nbit = ASN1_INTEGER_new())) {
+ PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ if (!ASN1_INTEGER_set(nbit, arg)) {
+ PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ alg->parameter->value.integer = nbit;
+ alg->parameter->type = V_ASN1_INTEGER;
+ }
+ sk_X509_ALGOR_push(sk, alg);
+ return 1;
+}
+
+int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid)
+{
+ if (PKCS7_get_signed_attribute(si, NID_pkcs9_contentType))
+ return 0;
+ if (!coid)
+ coid = OBJ_nid2obj(NID_pkcs7_data);
+ return PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
+ V_ASN1_OBJECT, coid);
+}