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package utils
import (
"crypto/sha256"
"encoding/hex"
"io"
"os"
)
// HashSHA256FromString takes an input string and calculates the SHA256 checksum returning it as a base16 hash string.
func HashSHA256FromString(input string) (output string) {
hash := sha256.New()
hash.Write([]byte(input))
return hex.EncodeToString(hash.Sum(nil))
}
// HashSHA256FromPath takes a path string and calculates the SHA256 checksum of the file at the path returning it as a base16 hash string.
func HashSHA256FromPath(path string) (output string, err error) {
file, err := os.Open(path)
if err != nil {
return "", err
}
defer file.Close()
hash := sha256.New()
if _, err := io.Copy(hash, file); err != nil {
return "", err
}
return hex.EncodeToString(hash.Sum(nil)), nil
}
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