+ /* Test reusing a key */
+ if (!TEST_true(HMAC_Init_ex(ctx, NULL, 0, NULL, NULL))
+ || !TEST_true(HMAC_Update(ctx, test[6].data, test[6].data_len))
+ || !TEST_true(HMAC_Final(ctx, buf, &len)))
+ goto err;
+ p = pt(buf, len);
+ if (!TEST_str_eq(p, test[6].digest))
+ goto err;
+
+ /*
+ * Test reusing a key where the digest is provided again but is the same as
+ * last time
+ */
+ if (!TEST_true(HMAC_Init_ex(ctx, NULL, 0, EVP_sha256(), NULL))
+ || !TEST_true(HMAC_Update(ctx, test[6].data, test[6].data_len))
+ || !TEST_true(HMAC_Final(ctx, buf, &len)))
+ goto err;
+ p = pt(buf, len);
+ if (!TEST_str_eq(p, test[6].digest))
+ goto err;
+