library: encoding/base32

README.md

@@ -292,6 +292,7 @@ Here are the Go packages that can be imported correctly:
 * [reflect](https://pkg.go.dev/reflect) (partially)
 * [time](https://pkg.go.dev/time) (partially)
 * [encoding/binary](https://pkg.go.dev/encoding/binary)
+* [encoding/base32](https://pkg.go.dev/encoding/base32)
 * [encoding/base64](https://pkg.go.dev/encoding/base64)
 * [regexp](https://pkg.go.dev/regexp)
 * [regexp/syntax](https://pkg.go.dev/regexp/syntax)

_cmptest/base64demo/base64.go

@@ -1,11 +1,12 @@
 package main
 
 import (
+	"encoding/base32"
 	"encoding/base64"
 	"fmt"
 )
 
-func main() {
+func base64Demo() {
 	msg := "Hello, 世界"
 	encoded := base64.StdEncoding.EncodeToString([]byte(msg))
 	fmt.Println(encoded)
@@ -16,3 +17,20 @@ func main() {
 	}
 	fmt.Println(string(decoded))
 }
+
+func base32Demo() {
+	str := "JBSWY3DPFQQHO33SNRSCC==="
+	dst := make([]byte, base32.StdEncoding.DecodedLen(len(str)))
+	n, err := base32.StdEncoding.Decode(dst, []byte(str))
+	if err != nil {
+		fmt.Println("decode error:", err)
+		return
+	}
+	dst = dst[:n]
+	fmt.Printf("%q\n", dst)
+}
+
+func main() {
+	base64Demo()
+	base32Demo()
+}