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review.shift-gmbh.com / SHIFTPHONES / android_system_vold / d46687ee5da7c9847c6188241ccc699d3a0826c2
commitd46687ee5da7c9847c6188241ccc699d3a0826c2[log] [tgz]
authorJeff Sharkey <jsharkey@android.com>Wed Jul 29 09:14:21 2015 -0700
committerJeff Sharkey <jsharkey@android.com>Wed Jul 29 10:03:11 2015 -0700
treeafbea798a6661542cb7e9eba3a73723615978a33
parent20642ae71aa93ec2658d09c92a1ffc3844f5a555 [diff]
Use random data for benchmark instead of zeros.

If we always write zeros, we're leaving a giant pile of known
plaintext at an almost deterministic location on newly formatted
volumes.  To avoid this, repeat a 64K chunk of random data.

Bug: 22816936
Change-Id: Iedc067a519bd676a93b9d74ea4f9f77c84c8461c
2 files changed
tree: afbea798a6661542cb7e9eba3a73723615978a33
  1. bench/
  2. fs/
  3. tests/
  4. Android.mk
  5. Asec.h
  6. Benchmark.cpp
  7. Benchmark.h
  8. BenchmarkGen.h
  9. CheckBattery.cpp
  10. CheckBattery.h
  11. CleanSpec.mk
  12. CommandListener.cpp
  13. CommandListener.h
  14. CryptCommandListener.cpp
  15. CryptCommandListener.h
  16. cryptfs.c
  17. cryptfs.h
  18. Devmapper.cpp
  19. Devmapper.h
  20. Disk.cpp
  21. Disk.h
  22. EmulatedVolume.cpp
  23. EmulatedVolume.h
  24. Ext4Crypt.cpp
  25. Ext4Crypt.h
  26. hash.h
  27. Loop.cpp
  28. Loop.h
  29. main.cpp
  30. MoveTask.cpp
  31. MoveTask.h
  32. NetlinkHandler.cpp
  33. NetlinkHandler.h
  34. NetlinkManager.cpp
  35. NetlinkManager.h
  36. PrivateVolume.cpp
  37. PrivateVolume.h
  38. Process.cpp
  39. Process.h
  40. PublicVolume.cpp
  41. PublicVolume.h
  42. ResponseCode.cpp
  43. ResponseCode.h
  44. sehandle.h
  45. TrimTask.cpp
  46. TrimTask.h
  47. Utils.cpp
  48. Utils.h
  49. vdc.c
  50. VoldCommand.cpp
  51. VoldCommand.h
  52. VoldUtil.c
  53. VoldUtil.h
  54. VolumeBase.cpp
  55. VolumeBase.h
  56. VolumeManager.cpp
  57. VolumeManager.h