Ignore-AOSP-First: Internal CR while awaiting security and legal review.
This CR, when paired with a functional NTFS implementation and the
corresponding SEPolicy updates, will allow NTFS USB drives to be mounted
on Android.
Bug: 254407246
Test: Extensive testing with an ADT-4 and NTFS USB drives.
Change-Id: If4197c4c588866c611cd6ba3483707d3cb0e0cf8
As a small optimization and code simplification, stop reading and
writing the "stretching" file alongside each stored key. vold never
does key stretching anymore.
There was one special case in the code where if the stretching file
existed and contained "nopassword", then the secret was ignored.
However, this didn't seem to be of any use, especially since it didn't
cause Keystore to be used, so it did *not* allow a key stored with no
secret to be read if a secret was unexpectedly provided.
Bug: 232452368
Bug: 251131631
Bug: 251147505
Change-Id: I5a7cbba7492526e51c451f222b9413d9fae6bce5
Try to be more robust in the case where the device is rebooted during
the first boot, in between the generation and the storage of user 0's CE
key. We can automatically recover from this scenario by generating a
new CE key and replacing /data/data.
This might resolve b/251213447.
Bug: 232452368
Bug: 251213447
Ignore-AOSP-First: depends on other changes in internal master
Change-Id: If0675de9167f7f855c0c0c6afe55fd1da39f5ce1
Storage keys that are encrypted by the user's synthetic password don't
need to be securely deletable by vold, since secure deletion is already
implemented at a higher level: the synthetic password protectors managed
by LockSettingsService. Therefore, remove the use of the secdiscardable
file by vold in this case to improve performance.
Bug: 232452368
Bug: 251131631
Bug: 251147505
Change-Id: I847d6cd3b289dbeb1ca2760d6e261a78c179cad0
The legacy method for metadata encryption on adoptable storage failed
when the size of the block device isn't a multiple of the crypto sector size.
Update the size of dm-crypt device according to sector size
before construct dm_target.
Bug: 248582018
Change-Id: I5c78889bdfedca7f7b0704500fc313d7a48d5a3b
Signed-off-by: Hongyu Jin <hongyu.jin@unisoc.com>
When generating a CE key, don't persist it immediately with
kEmptyAuthentication. Instead, cache it in memory and persist it later
when the secret to protect it with is given. This is needed to make it
so that the CE key is always encrypted by the user's synthetic password
while it is stored on-disk. See the corresponding system_server changes
for more information about this design change and its motivation.
As part of this, simplify vold's Binder interface by replacing the three
methods addUserKeyAuth(), clearUserKeyAuth(), and
fixateNewestUserKeyAuth() with a single method setUserKeyProtection().
setUserKeyProtection() handles persisting the key for a new user or
re-encrypting the default-encrypted key for an existing unsecured user.
Bug: 232452368
Ignore-AOSP-First: This depends on frameworks/base changes that can only
be submitted to internal master, due to conflicts.
Test: see Ia753ea21bbaca8ef7a90c03fe73b66c896b1536e
Change-Id: Id36ba8ee343ccb6de7ec892c3f600abd636f6ce5
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
Change-Id: I8081ab864aaf5d222f02a0ac3cf8557b058a959c
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
Change-Id: I22c2be9483000fbf4b7c44190828b7ee96bc7ef4
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
Change-Id: Iebbbc82040a8b9f9126b17e5be21f669bd79e86d
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
Change-Id: I02b02043d7fd112d860c3c39e92e78abbac136fd
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
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Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2186984
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Change-Id: I3bae754efa80e9a9b8d8b91095c0576c0ff3f6a9
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