cloudfoundry-incubator/eirini

package util

// don't judge; we'll fix it later, we promise

import (
    "crypto/sha256"
    "encoding/hex"

    "github.com/pkg/errors"
)

const MaxHashLength = 10

func Hash(s string) (string, error) {
    sha := sha256.New()

    if _, err := sha.Write([]byte(s)); err != nil {
        return "", errors.Wrap(err, "failed to calculate sha")
    }

    hash := hex.EncodeToString(sha.Sum(nil))

    return hash[:MaxHashLength], nil
}