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The buffers used by DPAPI calls will often contain cryptographic key material. This CL securely zeroes them on drop. Note: Windows does provide a platform intrinsic to securely zero memory (SecureZeroMemory), but it is provided as a macro, which is exceedingly painful to use from Rust. Zeroize used to call SecureZeroMemory under the hood in versions of the crate, but it no longer does. Likely because it's a pain. BUG=b:286345300 TEST=unit tests Change-Id: Ifabeecb47563828616f278ff1c28266f4014e753 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/5333894 Commit-Queue: Noah Gold <nkgold@google.com> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-by: Judson Powers <judsonp@google.com> Reviewed-by: Dennis Kempin <denniskempin@google.com> |
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