-
-
Save jwhett/98a482e84c94ea5f80a294197a0cb889 to your computer and use it in GitHub Desktop.
sha1 hmac hexdigest signature
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package main | |
| import ( | |
| "crypto/hmac" | |
| "crypto/sha1" | |
| "crypto/subtle" | |
| "encoding/hex" | |
| "fmt" | |
| "os" | |
| ) | |
| func generateSignature(secretToken, payloadBody string) string { | |
| mac := hmac.New(sha1.New, []byte(secretToken)) | |
| mac.Write([]byte(payloadBody)) | |
| expectedMAC := mac.Sum(nil) | |
| return "sha1=" + hex.EncodeToString(expectedMAC) | |
| } | |
| func verifySignature(secretToken, payloadBody string, signatureToCompareWith string) bool { | |
| signature := generateSignature(secretToken, payloadBody) | |
| return subtle.ConstantTimeCompare([]byte(signature), []byte(signatureToCompareWith)) == 1 | |
| } | |
| func main() { | |
| testPayloadBody := `{"message":"test content"}` | |
| testSignatureToCompareWith := `sha1=33a08e9b5e9c8d5e944d9288e9b499abb298344d` | |
| fmt.Println("signature match? :", verifySignature(os.Getenv("SECRET_TOKEN"), testPayloadBody, testSignatureToCompareWith)) | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment