On Wed, Aug 01, 2018 at 09:24:38AM +0100, timmy pony wrote:
> I have tried this
>
> openssl dgst -sha256 -sign my_private.key -out /tmp/sign.sha256 codeTosign.txt
This produces raw binary output, no base64 encoding. What is the
content of the file "codeToSign.txt"? Post the output of:
od -tx1 < /tmp/codeToSign.txt
> public class SHA256RSA {
>
> public static void main(String[] args) throws Exception {
> String input = "sample input";
This input has no newline ending, perhaps the disk file does.
> // Not a real private key! Replace with your private key!
> String strPk = "-----BEGIN PRIVATE KEY-----\nMIIEvwIBADANBgkqhkiG9"
> + "w0BAQEFAASCBKkwggSlAgEAAoIBAQDJUGqaRB11KjxQ\nKHDeG"
> + "........................................................"
> + "Ldt0hAPNl4QKYWCfJm\nNf7Afqaa/RZq0+y/36v83NGENQ==\n"
> + "-----END PRIVATE KEY-----\n";
I sure hope your production code will *NOT* have the private key
embedded in the executable.
> String base64Signature = signSHA256RSA(input,strPk);
> System.out.println("Signature="+base64Signature);
This outputs a signature encoded in base64.
--
Viktor.
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