Authorization validation in accordance with S3 signer AWSv2

pkg/utils/crypto/keys/keys.go

@@ -1,8 +1,6 @@
 package keys
 
 import (
-	"bufio"
-	"bytes"
 	"crypto/rand"
 	"encoding/base64"
 )
@@ -41,28 +39,6 @@ func GetRandomBase64(size int) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	var bytesBuffer bytes.Buffer
-	writer := bufio.NewWriter(&bytesBuffer)
-	encoder := base64.NewEncoder(base64.StdEncoding, writer)
-	encoder.Write(rb)
-	encoder.Close()
-	return bytesBuffer.Bytes(), nil
-}
-
-func ValidateAccessKey(key []byte) bool {
-	for _, char := range key {
-		if isalnum(char) {
-			continue
-		}
-		switch char {
-		case '-':
-		case '.':
-		case '_':
-		case '~':
-			continue
-		default:
-			return false
-		}
-	}
-	return true
+	dest := base64.StdEncoding.EncodeToString(rb)
+	return []byte(dest), nil
 }