On 4/28/22 16:00, Alejandro Hernandez Samaniego wrote:
Cryptsetup allows for certain luks2 related defaults to be
set for libcryptsetup, these include the default PBKDF
algorithm, memory limit for PBKDF2, parallel threads and
iteration time.
Add these options as PACKAGECONFIGs to cryptsetup while
setting variables defined as the current cryptsetup
defaults, making this change transparent for the user but
allow these knobs to be customized.
Signed-off-by: Alejandro Enedino Hernandez Samaniego <[email protected]>
---
.../recipes-crypto/cryptsetup/cryptsetup_2.4.3.bb | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/meta-oe/recipes-crypto/cryptsetup/cryptsetup_2.4.3.bb
b/meta-oe/recipes-crypto/cryptsetup/cryptsetup_2.4.3.bb
index 8f9f663a3..7baca98cb 100644
--- a/meta-oe/recipes-crypto/cryptsetup/cryptsetup_2.4.3.bb
+++ b/meta-oe/recipes-crypto/cryptsetup/cryptsetup_2.4.3.bb
@@ -44,6 +44,14 @@ PACKAGECONFIG:append:class-target = " \
udev \
"
+
+# libcryptsetup default PBKDF algorithm, Argon2 memory cost (KB), parallel
threads and iteration time (ms)
+LUKS2_PBKDF ?= "argon2i"
+LUKS2_MEMORYKB ?= "1048576"
+LUKS2_PARALLEL_THREADS ?= "4"
+LUKS2_ITERTIME ?= "2000"
+
is this something that can be selected at runtime too ?
+
PACKAGECONFIG[keyring] = "--enable-keyring,--disable-keyring"
PACKAGECONFIG[fips] = "--enable-fips,--disable-fips"
PACKAGECONFIG[pwquality] =
"--enable-pwquality,--disable-pwquality,libpwquality"
@@ -69,6 +77,10 @@ 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"
+PACKAGECONFIG[luks2-pbkdf] = "--with-luks2-pbkdf=${LUKS2_PBKDF}"
+PACKAGECONFIG[luks2-memorykb] = "--with-luks2-memory-kb=${LUKS2_MEMORYKB}"
+PACKAGECONFIG[luks2-parallel-threads] =
"--with-luks2-parallel-threads=${LUKS2_PARALLEL_THREADS}"
+PACKAGECONFIG[luks2-itertime] = "--with-luks2-iter-time=${LUKS2_ITERTIME}"
EXTRA_OECONF = "--enable-static"
# Building without largefile is not supported by upstream
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