aQute.libg.cryptography.Signer Maven / Gradle / Ivy
package aQute.libg.cryptography;
import java.io.IOException;
import java.io.OutputStream;
import java.security.Signature;
import java.security.SignatureException;
public class Signer extends OutputStream {
Signature signature;
Digester digester;
Signer(Signature s, Digester digester) {
this.signature = s;
this.digester = digester;
}
@Override
public void write(byte[] buffer, int offset, int length) throws IOException {
try {
signature.update(buffer, offset, length);
digester.write(buffer, offset, length);
} catch (SignatureException e) {
throw new IOException(e.getLocalizedMessage());
}
}
@Override
public void write(int b) throws IOException {
try {
signature.update((byte) b);
digester.write(b);
} catch (SignatureException e) {
throw new IOException(e.getLocalizedMessage());
}
}
public Signature signature() throws Exception {
return signature;
}
public D digest() throws Exception {
return digester.digest();
}
}