mirror of
https://github.com/coredns/coredns.git
synced 2025-11-03 18:53:13 -05:00
24 lines
387 B
Go
24 lines
387 B
Go
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package dnssec
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import (
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"hash/fnv"
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"strconv"
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"github.com/miekg/dns"
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)
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// Key serializes the RRset and return a signature cache key.
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func key(rrs []dns.RR) string {
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h := fnv.New64()
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buf := make([]byte, 256)
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for _, r := range rrs {
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off, err := dns.PackRR(r, buf, 0, nil, false)
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if err == nil {
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h.Write(buf[:off])
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}
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}
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i := h.Sum64()
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return strconv.FormatUint(i, 10)
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}
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