43 lines
969 B
Go
43 lines
969 B
Go
package hashenc
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import (
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"encoding/base32"
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"encoding/base64"
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"encoding/hex"
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)
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// Encoder defines an interface for encoding binary data.
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type Encoder interface {
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// Encode encodes the data at src into dst
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Encode(dst []byte, src []byte)
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// EncodedLen returns the encoded length for input data of supplied length
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EncodedLen(int) int
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}
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// Base32 returns a new base32 Encoder (StdEncoding, no padding).
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func Base32() Encoder {
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return base32.StdEncoding.WithPadding(base64.NoPadding)
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}
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// Base64 returns a new base64 Encoder (URLEncoding, no padding).
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func Base64() Encoder {
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return base64.URLEncoding.WithPadding(base64.NoPadding)
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}
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// Hex returns a new hex Encoder.
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func Hex() Encoder {
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return &hexEncoder{}
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}
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// hexEncoder simply provides an empty receiver to satisfy Encoder.
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type hexEncoder struct{}
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func (*hexEncoder) Encode(dst []byte, src []byte) {
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hex.Encode(dst, src)
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}
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func (*hexEncoder) EncodedLen(len int) int {
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return hex.EncodedLen(len)
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}
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