New subject: [Bug 52457] CNG Encryption Failure (BCryptEncrypt)

26 Jan 2022


      https://bugs.winehq.org/show_bug.cgi?id=52457
Bug ID: 52457
           Summary: CNG Encryption Failure (BCryptEncrypt)
           Product: Wine
           Version: 7.0
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: bcrypt
          Assignee: wine-bugs@winehq.org
          Reporter: x256@ultra.fyi
      Distribution: ---
Created attachment 71746
  --> https://bugs.winehq.org/attachment.cgi?id=71746
Demo application (with source code)
The CNG encryption function BCryptEncrypt does not always work properly.
Please see the attached demo application. It encrypts 4 blocks (AES in CBC
mode, test vector from RFC 3602): one BCryptEncrypt call encrypts the first two
blocks, and a second BCryptEncrypt call encrypts the last two blocks. On
Windows, all 4 blocks are encrypted correctly. On Wine, the first two blocks
are encrypted correctly, but the last two blocks are incorrect.
Tested with Wine 5.0.3 and 7.0.0 (winehq-stable) on Kubuntu 21.10 (64-bit).
Thanks!
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[Bug 52457] New: CNG Encryption Failure (BCryptEncrypt)