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libblockdev can currently recognize and get information about existing DM integrity (and LUKS2 AEAD) devices but doesn't support creation and activation of these devices. We should add functions do format (bd_crypto_integrity_format) and (de)activate newly created integrity devices (bd_crypto_integrity_open/close) to allow Blivet to add full support for these devices for storage role and installer.
Comment 4guazhang@redhat.com
2021-12-09 04:03:04 UTC
Hi
it seem the python module BlockDev don't include `bd_crypto_integrity_format` function
>>> hasattr(BlockDev,"bd_crypto_integrity_format")
False
please have a look the bug and share some details what how to call the bd_crypto_integrity_format ?
The `bd_` prefix from the C functions is replaced by the `BlockDev` module in Python, so `bd_crypto_integrity_format` will become `BlockDev.crypto_integrity_format`:
>>> hasattr(BlockDev, "crypto_integrity_format")
True
Example of formatting, opening and closing a device with integrity:
BlockDev.crypto_integrity_format(<device path>, "sha256", False)
BlockDev.crypto_integrity_open(<device path>, "integritytest", "sha256")
BlockDev.crypto_integrity_info("integritytest")
BlockDev.crypto_integrity_close("integritytest")
Comment 6guazhang@redhat.com
2021-12-09 12:56:03 UTC
Hi,
Test pass with fixed package, the function `crypto_integrity_format, crypto_integrity_open, crypto_integrity_info, crypto_integrity_close` work well.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (new packages: libblockdev), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2022:2503