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am 71ba4e46: Merge "Unbreak obtaining symmetric keys from AndroidKeyStore."

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* commit '71ba4e461f7a492b44632e282e6480345ac4b9c8':
  Unbreak obtaining symmetric keys from AndroidKeyStore.
This commit is contained in:
Shawn Willden
2015-04-15 17:59:41 +00:00
committed by Android Git Automerger
parent 99e2308884 71ba4e461f
commit 1cb119d3f0
1 changed files with 10 additions and 5 deletions
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15
keystore/java/android/security/AndroidKeyStore.java
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@@ -55,6 +55,7 @@ import java.util.Date;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.crypto.SecretKey;
@@ -116,11 +117,15 @@ public class AndroidKeyStore extends KeyStoreSpi {
throw new UnrecoverableKeyException("Key algorithm unknown");
}
int keymasterDigest =
keyCharacteristics.hwEnforced.getInt(KeymasterDefs.KM_TAG_DIGEST, -1);
if (keymasterDigest == -1) {
keymasterDigest =
keyCharacteristics.swEnforced.getInt(KeymasterDefs.KM_TAG_DIGEST, -1);
List<Integer> keymasterDigests =
keyCharacteristics.getInts(KeymasterDefs.KM_TAG_DIGEST);
int keymasterDigest;
if (keymasterDigests.isEmpty()) {
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;