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Merge "Custom engineUpdate/engineDoFinal(ByteBuffer, ByteBuffer)."

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am: e766e399c5

* commit 'e766e399c59669156284c330ae3f38f79230d930':
  Custom engineUpdate/engineDoFinal(ByteBuffer, ByteBuffer).
This commit is contained in:
Alex Klyubin
2015-11-25 19:05:09 +00:00
committed by android-build-merger
parent e579edc76b e766e399c5
commit 4bc1904119
1 changed files with 65 additions and 2 deletions
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67
keystore/java/android/security/keystore/AndroidKeyStoreCipherSpiBase.java
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@ -28,6 +28,7 @@ import android.security.keymaster.OperationResult;
import libcore.util.EmptyArray;
import java.nio.BufferOverflowException;
import java.nio.ByteBuffer;
import java.security.AlgorithmParameters;
import java.security.GeneralSecurityException;
@ -385,7 +386,38 @@ abstract class AndroidKeyStoreCipherSpiBase extends CipherSpi implements KeyStor
@Override
protected final int engineUpdate(ByteBuffer input, ByteBuffer output)
throws ShortBufferException {
return super.engineUpdate(input, output);
if (input == null) {
throw new NullPointerException("input == null");
}
if (output == null) {
throw new NullPointerException("output == null");
}
int inputSize = input.remaining();
byte[] outputArray;
if (input.hasArray()) {
outputArray =
engineUpdate(
input.array(), input.arrayOffset() + input.position(), inputSize);
input.position(input.position() + inputSize);
} else {
byte[] inputArray = new byte[inputSize];
input.get(inputArray);
outputArray = engineUpdate(inputArray, 0, inputSize);
}
int outputSize = (outputArray != null) ? outputArray.length : 0;
if (outputSize > 0) {
int outputBufferAvailable = output.remaining();
try {
output.put(outputArray);
} catch (BufferOverflowException e) {
throw new ShortBufferException(
"Output buffer too small. Produced: " + outputSize + ", available: "
+ outputBufferAvailable);
}
}
return outputSize;
}
@Override
@ -511,7 +543,38 @@ abstract class AndroidKeyStoreCipherSpiBase extends CipherSpi implements KeyStor
@Override
protected final int engineDoFinal(ByteBuffer input, ByteBuffer output)
throws ShortBufferException, IllegalBlockSizeException, BadPaddingException {
return super.engineDoFinal(input, output);
if (input == null) {
throw new NullPointerException("input == null");
}
if (output == null) {
throw new NullPointerException("output == null");
}
int inputSize = input.remaining();
byte[] outputArray;
if (input.hasArray()) {
outputArray =
engineDoFinal(
input.array(), input.arrayOffset() + input.position(), inputSize);
input.position(input.position() + inputSize);
} else {
byte[] inputArray = new byte[inputSize];
input.get(inputArray);
outputArray = engineDoFinal(inputArray, 0, inputSize);
}
int outputSize = (outputArray != null) ? outputArray.length : 0;
if (outputSize > 0) {
int outputBufferAvailable = output.remaining();
try {
output.put(outputArray);
} catch (BufferOverflowException e) {
throw new ShortBufferException(
"Output buffer too small. Produced: " + outputSize + ", available: "
+ outputBufferAvailable);
}
}
return outputSize;
}
@Override