/**
* Sign a file.
*
* @param keyId the key id
* @param fileName the file name
* @throws Exception if an error occurs
*/
@Command(description = "Sign a file")
public void signFile(
@Param(name = "keyId", description = "Key ID") String keyId,
@Param(name = "fileName", description = "File name") String fileName)
throws Exception {
String algorithm = "SHA512withRSA";
byte[] digest = calculateDigest(getDigestAlgorithmId(algorithm), fileToBytes(fileName));
SignResponse response = SignerClient.execute(new Sign(keyId, algorithm, digest));
System.out.println("Signature: " + Arrays.toString(response.getSignature()));
}
/**
* Sign some data
*
* @param keyId the key id
* @param data the data
* @throws Exception if an error occurs
*/
@Command(description = "Sign some data")
public void sign(
@Param(name = "keyId", description = "Key ID") String keyId,
@Param(name = "data", description = "Data to sign (<data1> <data2> ...)") String... data)
throws Exception {
String algorithm = "SHA512withRSA";
for (String d : data) {
byte[] digest =
calculateDigest(getDigestAlgorithmId(algorithm), d.getBytes(StandardCharsets.UTF_8));
SignResponse response = SignerClient.execute(new Sign(keyId, algorithm, digest));
System.out.println("Signature: " + Arrays.toString(response.getSignature()));
}
}