+ int pbenid, aparamtype;
+ ASN1_OBJECT *aoid;
+ void *aparam;
+ PBEPARAM *pbe = NULL;
+
+ X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
+
+ pbenid = OBJ_obj2nid(aoid);
+
+ BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
+
+ /*
+ * If PBE algorithm is PBES2 decode algorithm parameters
+ * for additional details.
+ */
+ if (pbenid == NID_pbes2) {
+ PBE2PARAM *pbe2 = NULL;
+ int encnid;
+ if (aparamtype == V_ASN1_SEQUENCE)
+ pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
+ if (pbe2 == NULL) {
+ BIO_puts(bio_err, "<unsupported parameters>");
+ goto done;
+ }
+ X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
+ pbenid = OBJ_obj2nid(aoid);
+ X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
+ encnid = OBJ_obj2nid(aoid);
+ BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
+ OBJ_nid2sn(encnid));
+ /* If KDF is PBKDF2 decode parameters */
+ if (pbenid == NID_id_pbkdf2) {
+ PBKDF2PARAM *kdf = NULL;
+ int prfnid;
+ if (aparamtype == V_ASN1_SEQUENCE)
+ kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
+ if (kdf == NULL) {
+ BIO_puts(bio_err, "<unsupported parameters>");
+ goto done;
+ }