39 lines
749 B
Go
39 lines
749 B
Go
package transformer
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import (
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"crypto/sha256"
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"hash"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/checksum"
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objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
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"git.frostfs.info/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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