Evgenii Stratonikov
e45647de3c
Slower, but more correct. ``` name old time/op new time/op delta Transformer/small-8 72.4µs ± 8% 74.8µs ±11% ~ (p=0.278 n=9+10) Transformer/big-8 1.31s ± 8% 1.38s ±11% +5.50% (p=0.035 n=10+10) name old alloc/op new alloc/op delta Transformer/small-8 7.39kB ± 0% 7.69kB ± 0% +4.04% (p=0.000 n=10+10) Transformer/big-8 46.9kB ± 0% 49.2kB ± 0% +4.87% (p=0.000 n=10+10) name old allocs/op new allocs/op delta Transformer/small-8 94.6 ± 1% 102.0 ± 0% +7.82% (p=0.000 n=10+9) Transformer/big-8 560 ± 0% 620 ± 1% +10.66% (p=0.000 n=10+10) ``` Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
38 lines
731 B
Go
38 lines
731 B
Go
package transformer
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import (
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"crypto/sha256"
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"hash"
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"github.com/TrueCloudLab/frostfs-sdk-go/checksum"
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objectSDK "github.com/TrueCloudLab/frostfs-sdk-go/object"
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"github.com/TrueCloudLab/tzhash/tz"
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)
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type payloadChecksumHasher struct {
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hasher hash.Hash
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typ checksum.Type
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}
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func (h payloadChecksumHasher) writeChecksum(obj *objectSDK.Object) {
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switch h.typ {
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case checksum.SHA256:
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csSHA := [sha256.Size]byte{}
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h.hasher.Sum(csSHA[:0])
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var cs checksum.Checksum
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cs.SetSHA256(csSHA)
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obj.SetPayloadChecksum(cs)
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case checksum.TZ:
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csTZ := [tz.Size]byte{}
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h.hasher.Sum(csTZ[:0])
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var cs checksum.Checksum
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cs.SetTillichZemor(csTZ)
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obj.SetPayloadHomomorphicHash(cs)
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default:
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panic("unreachable")
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}
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}
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