conversations-classic/src/eu/siacs/conversations/xmpp/jingle/JingleFile.java
2014-06-20 19:28:47 +02:00

66 lines
1.4 KiB
Java

package eu.siacs.conversations.xmpp.jingle;
import java.io.File;
import java.security.Key;
import javax.crypto.spec.SecretKeySpec;
import eu.siacs.conversations.utils.CryptoHelper;
import android.util.Log;
public class JingleFile extends File {
private static final long serialVersionUID = 2247012619505115863L;
private long expectedSize = 0;
private String sha1sum;
private Key aeskey;
public JingleFile(String path) {
super(path);
}
public long getSize() {
return super.length();
}
public long getExpectedSize() {
if (this.aeskey!=null) {
return (this.expectedSize/16 + 1) * 16;
} else {
return this.expectedSize;
}
}
public void setExpectedSize(long size) {
this.expectedSize = size;
}
public String getSha1Sum() {
return this.sha1sum;
}
public void setSha1Sum(String sum) {
this.sha1sum = sum;
}
public void setKey(byte[] key) {
if (key.length>=32) {
byte[] secretKey = new byte[32];
System.arraycopy(key, 0, secretKey, 0, 32);
this.aeskey = new SecretKeySpec(secretKey, "AES");
} else if (key.length>=16) {
byte[] secretKey = new byte[16];
System.arraycopy(key, 0, secretKey, 0, 16);
this.aeskey = new SecretKeySpec(secretKey, "AES");
} else {
Log.d("xmppService","weird key");
}
Log.d("xmppService","using aes key "+CryptoHelper.bytesToHex(this.aeskey.getEncoded()));
}
public Key getKey() {
return this.aeskey;
}
}