+
+/*
+ * FIPS 140-2 IG 9.9 AS09.33
+ * Perform a sign/verify operation.
+ */
+static int dsa_keygen_pairwise_test(DSA *dsa, OSSL_CALLBACK *cb, void *cbarg)
+{
+ int ret = 0;
+ unsigned char dgst[16] = {0};
+ unsigned int dgst_len = (unsigned int)sizeof(dgst);
+ DSA_SIG *sig = NULL;
+ OSSL_SELF_TEST *st = NULL;
+
+ st = OSSL_SELF_TEST_new(cb, cbarg);
+ if (st == NULL)
+ goto err;
+
+ OSSL_SELF_TEST_onbegin(st, OSSL_SELF_TEST_TYPE_PCT,
+ OSSL_SELF_TEST_DESC_PCT_DSA);
+
+ sig = DSA_do_sign(dgst, (int)dgst_len, dsa);
+ if (sig == NULL)
+ goto err;
+
+ OSSL_SELF_TEST_oncorrupt_byte(st, dgst);
+
+ if (DSA_do_verify(dgst, dgst_len, sig, dsa) != 1)
+ goto err;
+
+ ret = 1;
+err:
+ OSSL_SELF_TEST_onend(st, ret);
+ OSSL_SELF_TEST_free(st);
+ DSA_SIG_free(sig);
+ return ret;
+}