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Add HmacSHA256 backed by AndroidKeyStore.

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This also adds the MAC length constraint on imported HMAC keys. HMAC
doesn't work without this constraint at the moment.

Bug: 18088752
Change-Id: I8613f58f5d2a84df00bcf6179d13e30619440330
This commit is contained in:
Alex Klyubin
2015-03-27 16:53:44 -07:00
parent 36ee836d2f
commit 4ab8ea4498
9 changed files with 472 additions and 4 deletions
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6
keystore/java/android/security/KeymasterUtils.java
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@@ -13,9 +13,11 @@ public abstract class KeymasterUtils {
case KeymasterDefs.KM_ERROR_INVALID_AUTHORIZATION_TIMEOUT:
// The name of this parameter significantly differs between Keymaster and framework
// APIs. Use the framework wording to make life easier for developers.
return new KeymasterException("Invalid user authentication validity duration");
return new KeymasterException(keymasterErrorCode,
"Invalid user authentication validity duration");
default:
return new KeymasterException(KeymasterDefs.getErrorMessage(keymasterErrorCode));
return new KeymasterException(keymasterErrorCode,
KeymasterDefs.getErrorMessage(keymasterErrorCode));
}
}
}