23 lines
327 B
Go
23 lines
327 B
Go
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package metainfo
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import (
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"crypto/sha1"
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"io"
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)
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func GeneratePieces(r io.Reader, pieceLength int64, b []byte) ([]byte, error) {
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for {
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h := sha1.New()
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written, err := io.CopyN(h, r, pieceLength)
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if written > 0 {
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b = h.Sum(b)
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}
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if err == io.EOF {
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return b, nil
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}
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if err != nil {
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return b, err
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}
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}
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}
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