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