46   Status Read(size_t n, Slice* result, char* scratch) override {  in Read()  argument
47     assert(scratch);  in Read()
48     Status status = file_->Read(n, result, scratch);  in Read()
93                         char* scratch) override {  in PositionedRead()  argument
94     assert(scratch);  in PositionedRead()
96     auto status = file_->PositionedRead(offset, n, result, scratch);  in PositionedRead()
128               char* scratch) const override {  in Read()
129     assert(scratch);  in Read()
131     auto status = file_->Read(offset, n, result, scratch);  in Read()
354               char* scratch) const override {  in Read()
355     assert(scratch);  in Read()
357     auto status = file_->Read(offset, n, result, scratch);  in Read()
700   std::string scratch;  in Encrypt()  local
701   AllocateScratch(scratch);  in Encrypt()
718     auto status = EncryptBlock(blockIndex, block, (char*)scratch.data());  in Encrypt()
745   std::string scratch;  in Decrypt()  local
746   AllocateScratch(scratch);  in Decrypt()
763     auto status = DecryptBlock(blockIndex, block, (char*)scratch.data());  in Decrypt()
805 void CTRCipherStream::AllocateScratch(std::string& scratch) {  in AllocateScratch()  argument
807   scratch.reserve(blockSize);  in AllocateScratch()
812 Status CTRCipherStream::EncryptBlock(uint64_t blockIndex, char *data, char* scratch) {  in EncryptBlock()  argument
816   memmove(scratch, iv_.data(), blockSize);  in EncryptBlock()
817   EncodeFixed64(scratch, blockIndex + initialCounter_);  in EncryptBlock()
820   auto status = cipher_.Encrypt(scratch);  in EncryptBlock()
827     data[i] = data[i] ^ scratch[i];  in EncryptBlock()
834 Status CTRCipherStream::DecryptBlock(uint64_t blockIndex, char *data, char* scratch) {  in DecryptBlock()  argument
836   return EncryptBlock(blockIndex, data, scratch);  in DecryptBlock()