/*
* Copyright 2007 Sxip Identity Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.oauth.j2me.signature;
// TODO -- note about how to get bouncycastle stuff
import org.bouncycastle.crypto.Mac;
import org.bouncycastle.crypto.macs.HMac;
import org.bouncycastle.crypto.digests.SHA1Digest;
import org.bouncycastle.crypto.params.KeyParameter;
//import javax.crypto.spec.SecretKeySpec;
import net.oauth.j2me.OAuthParameterEncoder;
import net.oauth.j2me.OAuthParameterDecoder;
import net.oauth.j2me.Util;
public class HMACSHA1Signature implements OAuthSignature {
private String method;
private String message;
private String key;
private String signature;
public HMACSHA1Signature() {
method = "HMAC-SHA1";
message = "";
signature = "";
}
public String getMethod() {
return method;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public String getKey() {
return key;
}
public void setKey(String key) {
this.key = key;
}
public String getSignature() {
try {
HMac m=new HMac(new SHA1Digest());
m.init(new KeyParameter(key.getBytes("UTF-8")));
byte[] bytes=message.getBytes("UTF-8");
m.update(bytes, 0, bytes.length);
byte[] mac = new byte[m.getMacSize()];
m.doFinal(mac, 0);
signature = new String(Util.base64Encode(mac));
// debug
System.out.println("mac alg: "+m.getAlgorithmName());
System.out.println("dig alg: "+m.getUnderlyingDigest().getAlgorithmName());
System.out.println("key: "+key);
System.out.println("message: "+message);
System.out.println("unencoded: "+new String(mac));
System.out.println("sig: "+signature);
} catch (java.io.UnsupportedEncodingException e) {
;
} catch (Exception e) {
;
}
return signature;
}
}