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" + + 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 -- 2.25.1
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