README: document dependency on kernel crypto/hash API (#5457)

The hmac and sha256 algorithms are used in sd-id128. Closes: https://github.com/systemd/systemd/issues/5454 Closes: https://github.com/systemd/systemd/issues/5455
2017-02-25 22:42:27 -05:00 · 2017-02-25 22:42:27 -05:00 · 9c7f7d86f8
parent 3b31c46634
commit 9c7f7d86f8
1 changed files with 5 additions and 0 deletions
--- a/5
+++ b/5
@ -50,6 +50,11 @@ REQUIREMENTS:
          CONFIG_PROC_FS
          CONFIG_FHANDLE (libudev, mount and bind mount handling)

+        Kernel crypto/hash API
+          CONFIG_CRYPTO_USER_API_HASH
+          CONFIG_CRYPTO_HMAC
+          CONFIG_CRYPTO_SHA256
+
        udev will fail to work with the legacy sysfs layout:
          CONFIG_SYSFS_DEPRECATED=n