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authorLuca Boccassi <luca.boccassi@microsoft.com>2020-06-02 15:35:58 +0100
committerLuca Boccassi <luca.boccassi@microsoft.com>2020-06-25 08:45:21 +0100
commitc2923fdcd771e1e6470a6c67c23d4b21f536e7f6 (patch)
tree01a93f97d2aa6f5ac510876b4c322d4c3927b767 /README
parent035e8e50d73a0e5427149bbe50a426dd84ece178 (diff)
downloadsystemd-c2923fdcd771e1e6470a6c67c23d4b21f536e7f6.tar.gz
dissect/nspawn: add support for dm-verity root hash signature
Since cryptsetup 2.3.0 a new API to verify dm-verity volumes by a pkcs7 signature, with the public key in the kernel keyring, is available. Use it if libcryptsetup supports it.
Diffstat (limited to 'README')
-rw-r--r--README6
1 files changed, 5 insertions, 1 deletions
diff --git a/README b/README
index 4f4a21eeca..4269f0c73d 100644
--- a/README
+++ b/README
@@ -35,6 +35,7 @@ LICENSE:
REQUIREMENTS:
Linux kernel >= 3.13
Linux kernel >= 4.2 for unified cgroup hierarchy support
+ Linux kernel >= 5.4 for signed Verity images support
Kernel Config Options:
CONFIG_DEVTMPFS
@@ -102,6 +103,9 @@ REQUIREMENTS:
CONFIG_EFIVAR_FS
CONFIG_EFI_PARTITION
+ Required for signed Verity images support:
+ CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG
+
We recommend to turn off Real-Time group scheduling in the
kernel when using systemd. RT group scheduling effectively
makes RT scheduling unavailable for most userspace, since it
@@ -144,7 +148,7 @@ REQUIREMENTS:
libblkid >= 2.24 (from util-linux) (optional)
libkmod >= 15 (optional)
PAM >= 1.1.2 (optional)
- libcryptsetup (optional)
+ libcryptsetup (optional), >= 2.3.0 required for signed Verity images support
libaudit (optional)
libacl (optional)
libselinux (optional)