Merge "Unbreak obtaining symmetric keys from AndroidKeyStore."

This commit is contained in:
Shawn Willden
2015-04-15 17:37:35 +00:00
committed by Gerrit Code Review

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@@ -55,6 +55,7 @@ import java.util.Date;
import java.util.Enumeration; import java.util.Enumeration;
import java.util.HashSet; import java.util.HashSet;
import java.util.Iterator; import java.util.Iterator;
import java.util.List;
import java.util.Set; import java.util.Set;
import javax.crypto.SecretKey; import javax.crypto.SecretKey;
@@ -116,11 +117,15 @@ public class AndroidKeyStore extends KeyStoreSpi {
throw new UnrecoverableKeyException("Key algorithm unknown"); throw new UnrecoverableKeyException("Key algorithm unknown");
} }
int keymasterDigest = List<Integer> keymasterDigests =
keyCharacteristics.hwEnforced.getInt(KeymasterDefs.KM_TAG_DIGEST, -1); keyCharacteristics.getInts(KeymasterDefs.KM_TAG_DIGEST);
if (keymasterDigest == -1) { int keymasterDigest;
keymasterDigest = if (keymasterDigests.isEmpty()) {
keyCharacteristics.swEnforced.getInt(KeymasterDefs.KM_TAG_DIGEST, -1); keymasterDigest = -1;
} else {
// More than one digest can be permitted for this key. Use the first one to form the
// JCA key algorithm name.
keymasterDigest = keymasterDigests.get(0);
} }
String keyAlgorithmString; String keyAlgorithmString;