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diff --git a/tests/LegacyRestoreTest/README b/tests/LegacyRestoreTest/README
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+The file "jbmr2-encrypted-settings-abcd.ab" in this directory is an encrypted
+"adb backup" archive of the settings provider package.  It was generated on a
+Nexus 4 running Android 4.3 (API 18), and so predates the Android 4.4 changes
+to the PBKDF2 implementation.  The archive's encryption password, entered on-screen,
+is "abcd" (with no quotation marks).
+
+'adb restore' decrypts and applies the restored archive successfully on a device
+running Android 4.3, but fails to restore correctly on a device running Android 4.4,
+reporting an invalid password in logcat.  This is the situation reported in bug
+<https://code.google.com/p/android/issues/detail?id=63880>.
+
+The file "kk-fixed-encrypted-settings-abcd.ab" is a similar encrypted "adb backup"
+archive, using the same key, generated on a Nexus 4 running Android 4.4 with a fix
+to this bug in place.  This archive should be successfully restorable on any
+version of Android which incorporates the fix.
+
+These archives can be used as an ongoing test to verify that historical encrypted
+archives from various points in Android's history can be successfully restored.
diff --git a/tests/LegacyRestoreTest/jbmr2-encrypted-settings-abcd.ab b/tests/LegacyRestoreTest/jbmr2-encrypted-settings-abcd.ab
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+++ b/tests/LegacyRestoreTest/jbmr2-encrypted-settings-abcd.ab
diff --git a/tests/LegacyRestoreTest/kk-fixed-encrypted-settings-abcd.ab b/tests/LegacyRestoreTest/kk-fixed-encrypted-settings-abcd.ab
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+++ b/tests/LegacyRestoreTest/kk-fixed-encrypted-settings-abcd.ab