rename package enc -> hex

* Makefile (fmt): fmt lib instead of enc
* challenge/c01.go: Use lib instead of enc
* challenge/c02.go: Use lib instead of enc
* enc/b64.go -> lib/b64.go
* enc/hex.go -> lib/hex.go
* enc/xor.go -> lib/xor.go

1 files changed, 0 insertions, 26 deletions

diff --git a/enc/hex.go b/enc/hex.go
deleted file mode 100644
index a1b9b46..0000000
--- a/enc/hex.go
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright © 2020 rsiddharth <s@ricketyspace.net>
-// SPDX-License-Identifier: ISC
-
-package enc
-
-// Adapted from
-// https://go.googlesource.com/go/+/refs/tags/go1.15/src/encoding/hex/hex.go#83
-func HexCharToDec(c byte) uint16 {
-	switch {
-	case '0' <= c && c <= '9':
-		return uint16(c - '0')
-	case 'a' <= c && c <= 'f':
-		return uint16(c - 'a' + 10)
-	}
-	return 0
-}
-
-func DecToHexChar(i uint16) byte {
-	switch {
-	case 0 <= i && i <= 9:
-		return byte(48 + i)
-	case 10 <= i && i <= 15:
-		return byte(97 + (i - 10))
-	}
-	return 0
-}