43 lines
912 B
Go
43 lines
912 B
Go
|
package hashenc
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/base32"
|
||
|
|
"encoding/base64"
|
||
|
|
"encoding/hex"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Encoder defines an interface for encoding binary data
|
||
|
|
type Encoder interface {
|
||
|
|
// Encode encodes the data at src into dst
|
||
|
|
Encode(dst []byte, src []byte)
|
||
|
|
|
||
|
|
// EncodedLen returns the encoded length for input data of supplied length
|
||
|
|
EncodedLen(int) int
|
||
|
|
}
|
||
|
|
|
||
|
|
// Base32 returns a new base32 Encoder
|
||
|
|
func Base32() Encoder {
|
||
|
|
return base32.StdEncoding.WithPadding(base64.NoPadding)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Base64 returns a new base64 Encoder
|
||
|
|
func Base64() Encoder {
|
||
|
|
return base64.URLEncoding.WithPadding(base64.NoPadding)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Hex returns a new hex Encoder
|
||
|
|
func Hex() Encoder {
|
||
|
|
return &hexEncoder{}
|
||
|
|
}
|
||
|
|
|
||
|
|
// hexEncoder simply provides an empty receiver to satisfy Encoder
|
||
|
|
type hexEncoder struct{}
|
||
|
|
|
||
|
|
func (*hexEncoder) Encode(dst []byte, src []byte) {
|
||
|
|
hex.Encode(dst, src)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (*hexEncoder) EncodedLen(len int) int {
|
||
|
|
return hex.EncodedLen(len)
|
||
|
|
}
|