From a106068d0cfd260439b7735c2235bc2dbda64287 Mon Sep 17 00:00:00 2001
From: sfc-gh-jbahk <jaewan.bahk@snowflake.com>
Date: Wed, 9 Feb 2022 17:47:45 +0000
Subject: [PATCH] move chunk out of loop

---
 encrypt_util.go | 4 ++--
 file_util.go    | 2 +-
 telemetry.go    | 1 -
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/encrypt_util.go b/encrypt_util.go
index 8ba1a453c..ba1a945dc 100644
--- a/encrypt_util.go
+++ b/encrypt_util.go
@@ -71,10 +71,10 @@ func encryptStream(
 
 	mode := cipher.NewCBCEncrypter(block, ivData)
 	cipherText := make([]byte, chunkSize)
+	chunk := make([]byte, chunkSize)
 
 	// encrypt file with CBC
 	for {
-		chunk := make([]byte, chunkSize)
 		n, err := src.Read(chunk)
 		if n == 0 || err != nil {
 			break
@@ -82,7 +82,7 @@ func encryptStream(
 			chunk = padBytesLength(chunk[:n], aes.BlockSize)
 		}
 		mode.CryptBlocks(cipherText, chunk)
-		out.Write(cipherText[:len(chunk)])
+		out.Write(cipherText[:n])
 
 	}
 	if err != nil {
diff --git a/file_util.go b/file_util.go
index 82639bb3a..acf636398 100644
--- a/file_util.go
+++ b/file_util.go
@@ -63,9 +63,9 @@ func (util *snowflakeFileUtil) compressFileWithGzip(fileName string, tmpDir stri
 func (util *snowflakeFileUtil) getDigestAndSizeForStream(stream **bytes.Buffer) (string, int64, error) {
 	m := sha256.New()
 	r := getReaderFromBuffer(stream)
+	chunk := make([]byte, fileChunkSize)
 
 	for {
-		chunk := make([]byte, fileChunkSize)
 		n, err := r.Read(chunk)
 		if err == io.EOF {
 			break
diff --git a/telemetry.go b/telemetry.go
index 8015cb128..369f9b743 100644
--- a/telemetry.go
+++ b/telemetry.go
@@ -27,7 +27,6 @@ const (
 	reasonKey        = "reason"
 	errorNumberKey   = "ErrorNumber"
 	stacktraceKey    = "Stacktrace"
-	exceptionKey     = "Exception"
 )
 
 const (