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authorYi Zhao <yi.zhao@windriver.com>2019-07-11 15:26:50 +0800
committerKhem Raj <raj.khem@gmail.com>2019-07-11 14:01:28 -0700
commit11ff107a853f9ef6ad31ac6e3ed0f15fb8ada27f (patch)
treeac401bcb900731f0448ffdc489252e2ba8c5eb14
parent41f6815e0865b6d1c187a07806dc1f02e40ef45c (diff)
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cryptsetup: set the default luks format to LUKS1
The cryptsetup 2.1 uses LUKS2 format as the default LUKS format. This change introduced the following issues: * LUKS2 requires kernel userspace crypto API to be available (CONFIG_CRYPTO_USER_API and CONFIG_CRYPTO_USER_API_SKCIPHER). But linux-yocto doesn't enable these options by default. If missing these kernel modules, the cryptsetup will fall back to using dmcrypt-device for keyslot processing. $ cryptsetup --debug --type luks luksFormat /dev/sda3 [snip] Checking if cipher aes-xts-plain64 is usable. Userspace crypto wrapper cannot use aes-xts-plain64 (-95). Using dmcrypt to access keyslot area. [snip] * The grub can not decrypt a LUKS2 encrypted boot partition because it doesn't support LUKS2 now. See grub bug: https://savannah.gnu.org/bugs/?55093 Add a PACKAGCONFIG for luks format and set the default LUKS format to LUKS1. The users can specify '--type luks2' in cryptsetup command line if they want to use LUKS2. Signed-off-by: Yi Zhao <yi.zhao@windriver.com> Signed-off-by: Khem Raj <raj.khem@gmail.com>
-rw-r--r--meta-oe/recipes-crypto/cryptsetup/cryptsetup_2.1.0.bb1
1 files changed, 1 insertions, 0 deletions
diff --git a/meta-oe/recipes-crypto/cryptsetup/cryptsetup_2.1.0.bb b/meta-oe/recipes-crypto/cryptsetup/cryptsetup_2.1.0.bb
index a500b18986..deaede8578 100644
--- a/meta-oe/recipes-crypto/cryptsetup/cryptsetup_2.1.0.bb
+++ b/meta-oe/recipes-crypto/cryptsetup/cryptsetup_2.1.0.bb
@@ -65,6 +65,7 @@ PACKAGECONFIG[gcrypt] = "--with-crypto_backend=gcrypt,,libgcrypt"
PACKAGECONFIG[nss] = "--with-crypto_backend=nss,,nss"
PACKAGECONFIG[kernel] = "--with-crypto_backend=kernel"
PACKAGECONFIG[nettle] = "--with-crypto_backend=nettle,,nettle"
+PACKAGECONFIG[luks2] = "--with-default-luks-format=LUKS2,--with-default-luks-format=LUKS1"
RRECOMMENDS_${PN} = "kernel-module-aes-generic \
kernel-module-dm-crypt \