1 files changed, 0 insertions, 60 deletions
diff --git a/src/main/cpp/src/securegcm/java_util.cc b/src/main/cpp/src/securegcm/java_util.cc
deleted file mode 100644
index 1ce4d7b..0000000
--- a/src/main/cpp/src/securegcm/java_util.cc
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright 2020 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "securegcm/java_util.h"
-
-#include <cstring>
-
-namespace securegcm {
-namespace java_util {
-
-namespace {
-
-// Returns the lower 32-bits of a int64_t |value| as an int32_t.
-int32_t Lower32Bits(int64_t value) {
-  const uint32_t lower_bits = static_cast<uint32_t>(value & 0xFFFFFFFF);
-  int32_t return_value;
-  std::memcpy(&return_value, &lower_bits, sizeof(uint32_t));
-  return return_value;
-}
-
-}  // namespace
-
-int32_t JavaMultiply(int32_t lhs, int32_t rhs) {
-  // Multiplication guaranteed to fit in int64_t, range from [2^63, 2^63 - 1].
-  // Minimum value is (-2^31)^2 = 2^62.
-  const int64_t result = static_cast<int64_t>(lhs) * static_cast<int64_t>(rhs);
-  return Lower32Bits(result);
-}
-
-int32_t JavaAdd(int32_t lhs, int32_t rhs) {
-  const int64_t result = static_cast<int64_t>(lhs) + static_cast<int64_t>(rhs);
-  return Lower32Bits(result);
-}
-
-int32_t JavaHashCode(const securemessage::ByteBuffer& byte_buffer) {
-  const string bytes = byte_buffer.String();
-  int32_t hash_code = 1;
-  for (const int8_t byte : bytes) {
-    int32_t int_value = static_cast<int32_t>(byte);
-    // Java relies on the overflow/underflow behaviour of arithmetic operations,
-    // which is undefined in C++, so we call our own Java-compatible versions of
-    // + and * here.
-    hash_code = JavaAdd(JavaMultiply(31, hash_code), int_value);
-  }
-  return hash_code;
-}
-
-}  // namespace java_util
-}  // namespace securegcm