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