Remove unneeded s3_crypto[.cc,.h] files

Both s3_crypto.cc and s3_crypto.h have been moved to
aws_crypto.cc and aws_crypto.h files. However, due to some
overlapping merge or update, s3_crypto.cc and s3_crypto.h
reappeared.

This fix removes unneeded s3_crypto.cc and s3_crypto.h files.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

2 files changed, 0 insertions, 148 deletions

diff --git a/tensorflow/core/platform/s3/s3_crypto.cc b/tensorflow/core/platform/s3/s3_crypto.cc
deleted file mode 100644
index d7062a59d2..0000000000
--- a/tensorflow/core/platform/s3/s3_crypto.cc
+++ /dev/null
@@ -1,113 +0,0 @@
-/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
-
-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
-
-    http://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 "tensorflow/core/platform/s3/s3_crypto.h"
-#include <openssl/hmac.h>
-#include <openssl/sha.h>
-
-#include <aws/core/utils/crypto/HashResult.h>
-#include <aws/s3/S3Client.h>
-
-namespace tensorflow {
-
-class S3Sha256HMACOpenSSLImpl : public Aws::Utils::Crypto::HMAC {
- public:
-  S3Sha256HMACOpenSSLImpl() {}
-
-  virtual ~S3Sha256HMACOpenSSLImpl() = default;
-
-  virtual Aws::Utils::Crypto::HashResult Calculate(
-      const Aws::Utils::ByteBuffer& toSign,
-      const Aws::Utils::ByteBuffer& secret) override {
-    unsigned int length = SHA256_DIGEST_LENGTH;
-    Aws::Utils::ByteBuffer digest(length);
-    memset(digest.GetUnderlyingData(), 0, length);
-
-    HMAC_CTX ctx;
-    HMAC_CTX_init(&ctx);
-
-    HMAC_Init_ex(&ctx, secret.GetUnderlyingData(),
-                 static_cast<int>(secret.GetLength()), EVP_sha256(), NULL);
-    HMAC_Update(&ctx, toSign.GetUnderlyingData(), toSign.GetLength());
-    HMAC_Final(&ctx, digest.GetUnderlyingData(), &length);
-    HMAC_CTX_cleanup(&ctx);
-
-    return Aws::Utils::Crypto::HashResult(std::move(digest));
-  }
-};
-
-class S3Sha256OpenSSLImpl : public Aws::Utils::Crypto::Hash {
- public:
-  S3Sha256OpenSSLImpl() {}
-
-  virtual ~S3Sha256OpenSSLImpl() = default;
-
-  virtual Aws::Utils::Crypto::HashResult Calculate(
-      const Aws::String& str) override {
-    SHA256_CTX sha256;
-    SHA256_Init(&sha256);
-    SHA256_Update(&sha256, str.data(), str.size());
-
-    Aws::Utils::ByteBuffer hash(SHA256_DIGEST_LENGTH);
-    SHA256_Final(hash.GetUnderlyingData(), &sha256);
-
-    return Aws::Utils::Crypto::HashResult(std::move(hash));
-  }
-
-  virtual Aws::Utils::Crypto::HashResult Calculate(
-      Aws::IStream& stream) override {
-    SHA256_CTX sha256;
-    SHA256_Init(&sha256);
-
-    auto currentPos = stream.tellg();
-    if (currentPos == std::streampos(std::streamoff(-1))) {
-      currentPos = 0;
-      stream.clear();
-    }
-
-    stream.seekg(0, stream.beg);
-
-    char streamBuffer
-        [Aws::Utils::Crypto::Hash::INTERNAL_HASH_STREAM_BUFFER_SIZE];
-    while (stream.good()) {
-      stream.read(streamBuffer,
-                  Aws::Utils::Crypto::Hash::INTERNAL_HASH_STREAM_BUFFER_SIZE);
-      auto bytesRead = stream.gcount();
-
-      if (bytesRead > 0) {
-        SHA256_Update(&sha256, streamBuffer, static_cast<size_t>(bytesRead));
-      }
-    }
-
-    stream.clear();
-    stream.seekg(currentPos, stream.beg);
-
-    Aws::Utils::ByteBuffer hash(SHA256_DIGEST_LENGTH);
-    SHA256_Final(hash.GetUnderlyingData(), &sha256);
-
-    return Aws::Utils::Crypto::HashResult(std::move(hash));
-  }
-};
-
-std::shared_ptr<Aws::Utils::Crypto::Hash>
-S3SHA256Factory::CreateImplementation() const {
-  return Aws::MakeShared<S3Sha256OpenSSLImpl>(S3CryptoAllocationTag);
-}
-
-std::shared_ptr<Aws::Utils::Crypto::HMAC>
-S3SHA256HmacFactory::CreateImplementation() const {
-  return Aws::MakeShared<S3Sha256HMACOpenSSLImpl>(S3CryptoAllocationTag);
-}
-
-}  // namespace tensorflow
diff --git a/tensorflow/core/platform/s3/s3_crypto.h b/tensorflow/core/platform/s3/s3_crypto.h
deleted file mode 100644
index e376b8b0c0..0000000000
--- a/tensorflow/core/platform/s3/s3_crypto.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
-
-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
-
-    http://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 <aws/core/Aws.h>
-#include <aws/core/utils/crypto/Factories.h>
-#include <aws/core/utils/crypto/HMAC.h>
-#include <aws/core/utils/crypto/Hash.h>
-
-namespace tensorflow {
-static const char* S3CryptoAllocationTag = "S3CryptoAllocation";
-
-class S3SHA256Factory : public Aws::Utils::Crypto::HashFactory {
- public:
-  std::shared_ptr<Aws::Utils::Crypto::Hash> CreateImplementation()
-      const override;
-};
-
-class S3SHA256HmacFactory : public Aws::Utils::Crypto::HMACFactory {
- public:
-  std::shared_ptr<Aws::Utils::Crypto::HMAC> CreateImplementation()
-      const override;
-};
-
-}  // namespace tensorflow