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This commit is contained in:
andrew
2023-05-05 12:32:54 +09:30
parent d3ce899a80
commit a9078c8d08
4 changed files with 68 additions and 63 deletions
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35
libsignal/src/main/java/org/session/libsignal/streams/AttachmentCipherInputStream.java
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@@ -6,6 +6,8 @@
package org.session.libsignal.streams;
import static org.session.libsignal.crypto.CipherUtil.CIPHER_LOCK;
import org.session.libsignal.exceptions.InvalidMacException;
import org.session.libsignal.exceptions.InvalidMessageException;
import org.session.libsignal.utilities.Util;
@@ -92,19 +94,15 @@ public class AttachmentCipherInputStream extends FilterInputStream {
byte[] iv = new byte[BLOCK_SIZE];
readFully(iv);
this.cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
this.cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(cipherKey, "AES"), new IvParameterSpec(iv));
synchronized (CIPHER_LOCK) {
this.cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
this.cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(cipherKey, "AES"), new IvParameterSpec(iv));
}
this.done = false;
this.totalRead = 0;
this.totalDataSize = totalDataSize;
} catch (NoSuchAlgorithmException e) {
throw new AssertionError(e);
} catch (InvalidKeyException e) {
throw new AssertionError(e);
} catch (NoSuchPaddingException e) {
throw new AssertionError(e);
} catch (InvalidAlgorithmParameterException e) {
} catch (NoSuchAlgorithmException | InvalidKeyException | NoSuchPaddingException | InvalidAlgorithmParameterException e) {
throw new AssertionError(e);
}
}
@@ -141,15 +139,12 @@ public class AttachmentCipherInputStream extends FilterInputStream {
private int readFinal(byte[] buffer, int offset, int length) throws IOException {
try {
int flourish = cipher.doFinal(buffer, offset);
done = true;
return flourish;
} catch (IllegalBlockSizeException e) {
throw new IOException(e);
} catch (BadPaddingException e) {
throw new IOException(e);
} catch (ShortBufferException e) {
synchronized (CIPHER_LOCK) {
int flourish = cipher.doFinal(buffer, offset);
done = true;
return flourish;
}
} catch (IllegalBlockSizeException | ShortBufferException | BadPaddingException e) {
throw new IOException(e);
}
}
@@ -234,9 +229,7 @@ public class AttachmentCipherInputStream extends FilterInputStream {
throw new InvalidMacException("Digest doesn't match!");
}
} catch (IOException e) {
throw new InvalidMacException(e);
} catch (ArithmeticException e) {
} catch (IOException | ArithmeticException e) {
throw new InvalidMacException(e);
} catch (NoSuchAlgorithmException e) {
throw new AssertionError(e);