lib: update HexToBase64

* lib/b64.go (HexToBase64): Use hex instead of base 2 for the second
AND to get the last 6 bits.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/b64.go b/lib/b64.go
index d37f710..6b98d42 100644
--- a/lib/b64.go
+++ b/lib/b64.go
@@ -14,7 +14,7 @@ func HexToBase64(hex string) string {
 			HexCharToDec(hb[i+1])<<4 |
 			HexCharToDec(hb[i+2]))
 		b64 += encode(a >> 6)
-		b64 += encode(a & 0b111111)
+		b64 += encode(a & 0x3f)
 	}
 	return b64
 }