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metainfo: Add HashBytes

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This commit is contained in:
Matt Joiner 2016-05-03 21:34:20 +10:00
parent e0451b0728
commit 533f01147d
1 changed files with 8 additions and 0 deletions
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8
metainfo/hash.go
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@ -1,6 +1,7 @@
package metainfo package metainfo
import ( import (
"crypto/sha1"
"encoding/hex" "encoding/hex"
"fmt" "fmt"
) )
@ -34,3 +35,10 @@ func (h *Hash) FromHexString(s string) (err error) {
} }
return return
} }
func HashBytes(b []byte) (ret Hash) {
hasher := sha1.New()
hasher.Write(b)
copy(ret[:], hasher.Sum(nil))
return
}