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24 lines
338 B
Go
24 lines
338 B
Go
package utils
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import (
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"encoding/hex"
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"hash"
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"io"
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)
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type CheckSum struct {
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io.Reader
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Hash hash.Hash
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}
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func (cs *CheckSum) Read(buf []byte) (int, error) {
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n, err := cs.Reader.Read(buf)
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if err == nil {
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cs.Hash.Write(buf[:n])
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}
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return n, err
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}
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func (cs *CheckSum) Sum() string {
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return hex.EncodeToString(cs.Hash.Sum(nil))
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}
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