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author	Pavel Grafov <pgrafov@google.com>
	Tue, 1 Aug 2017 16:15:53 +0000 (17:15 +0100)
committer	Pavel Grafov <pgrafov@google.com>
	Thu, 10 Aug 2017 16:31:03 +0000 (17:31 +0100)
commit	e2e2d308df2da26838de32852318bc2cb690d052
tree	6637d5b5af5d3dc50fe68edc6dc0525f3ea92983	tree \| snapshot
parent	53deec14b8418abbc1a6f30ff89629710437279f	commit \| diff

Zero memory used for encryuption keys.

std::vector with custom zeroing allocator is used instead of
std::string for data that can contain encryption keys.

Bug: 64201177
Test: manually created a managed profile, changed it's credentials
Test: manually upgraded a phone with profile from O to MR1.
Change-Id: Ic31877049f69eba9f8ea64fd99acaaca5a01d3dd

13 files changed:

Android.mk		diff \| blob \| history
Ext4Crypt.cpp		diff \| blob \| history
KeyBuffer.cpp	[new file with mode: 0644]	blob
KeyBuffer.h	[new file with mode: 0644]	blob
KeyStorage.cpp		diff \| blob \| history
KeyStorage.h		diff \| blob \| history
KeyUtil.cpp		diff \| blob \| history
KeyUtil.h		diff \| blob \| history
Keymaster.cpp		diff \| blob \| history
Keymaster.h		diff \| blob \| history
MetadataCrypt.cpp		diff \| blob \| history
Utils.cpp		diff \| blob \| history
Utils.h		diff \| blob \| history

system/vold

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