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-rw-r--r--lib/xor.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/xor.go b/lib/xor.go
index 270999c..ae2bd12 100644
--- a/lib/xor.go
+++ b/lib/xor.go
@@ -3,6 +3,7 @@
package lib
+// Both 'a' and 'b' must be hex encoded string.
func FixedXOR(a, b string) string {
cs := ""
if len(a) != len(b) {