Fix default_address()

src/gtest/test_keystore.cpp

@@ -9,6 +9,7 @@
 
 TEST(keystore_tests, sapling_keys) {
     auto sk = libzcash::SaplingSpendingKey::random();
+    auto addr = sk.default_address();
         
     // Check that full viewing key derived from sk and expanded sk are the same
     auto exp_sk = sk.expanded_spending_key();

src/zcash/prf.cpp

@@ -60,7 +60,7 @@ std::array<unsigned char, 11> default_diversifier(const uint256& sk)
     while (true) {
         crypto_generichash_blake2b_state state;
         crypto_generichash_blake2b_init_salt_personal(&state, nullptr, 0, 64, nullptr, ZCASH_EXPANDSEED_PERSONALIZATION);
-        crypto_generichash_blake2b_update(&state, blob, 33);
+        crypto_generichash_blake2b_update(&state, blob, 34);
         crypto_generichash_blake2b_final(&state, res.data(), 11);
         
         if (librustzcash_check_diversifier(res.data())) {