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package core
import (
"crypto/sha256"
"fmt"
"io"
"os"
"strings"
)
func calculateStringHash(a string) (string, error) {
hash := sha256.New()
hash.Write([]byte(a))
hashInBytes := hash.Sum(nil)[:20]
return strings.TrimSpace(fmt.Sprintf("%x", hashInBytes)), nil
}
func calculateFileHash(file *os.File) (string, error) {
hash := sha256.New()
if _, err := io.Copy(hash, file); err != nil {
return "", err
}
hashInBytes := hash.Sum(nil)[:20]
return strings.TrimSpace(fmt.Sprintf("%x", hashInBytes)), nil
}
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