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Switch checksums from MD5 to BLAKE2

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Historically, the MD5 checksums in our LFS files serve as a protection
against broken downloads, or accidentally corrupted source files.

While the sources are nowadays downloaded via HTTPS, it make sense to
beef up integrity protection for them, since transparently intercepting
TLS is believed to be feasible for more powerful actors, and the state
of the public PKI ecosystem is clearly not helping.

Therefore, this patch switches from MD5 to BLAKE2, updating all LFS
files as well as make.sh to deal with this checksum algorithm. BLAKE2 is
notably faster (and more secure) than SHA2, so the performance penalty
introduced by this patch is negligible, if noticeable at all.

In preparation of this patch, the toolchain files currently used have
been supplied with BLAKE2 checksums as well on
https://source.ipfire.org/.

Cc: Michael Tremer <michael.tremer@ipfire.org>
Signed-off-by: Peter Müller <peter.mueller@ipfire.org>
Acked-by: Michael Tremer <michael.tremeripfire.org>
This commit is contained in:
Peter Müller
2022-03-23 11:12:31 +00:00
parent d95b4c94db
commit 9a7e4d8506
651 changed files with 3211 additions and 3214 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
lfs/iptables
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@@ -41,8 +41,8 @@ objects = $(DL_FILE) \
$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
netfilter-layer7-v2.23.tar.gz = $(URL_IPFIRE)/netfilter-layer7-v2.23.tar.gz
$(DL_FILE)_MD5 = 602ba7e937c72fbb7b1c2b71c3b0004b
netfilter-layer7-v2.23.tar.gz_MD5 = 10910b6173d18e426cb56ae7e1300eeb
$(DL_FILE)_BLAKE2 = fd4dcff142eaadde2a14ce3eb5e45d41c326752553b52900c77fd2e2a20c0685d0a04b95755995e914df47658834d52216d6465c2ae9cd6abc6eb122b95cc976
netfilter-layer7-v2.23.tar.gz_BLAKE2 = 5c8ab722f6fbc126f2f65ecf401de5fc40560c20e3be52f783db34410446185dcb6781b3148e4a174e8b2d2c290bec0342dea95e8cefc35c39345617fa7a8fdc
install : $(TARGET)
@@ -50,10 +50,10 @@ check : $(patsubst %,$(DIR_CHK)/%,$(objects))
download :$(patsubst %,$(DIR_DL)/%,$(objects))
md5 : $(subst %,%_MD5,$(objects))
b2 : $(subst %,%_BLAKE2,$(objects))
###############################################################################
# Downloading, checking, md5sum
# Downloading, checking, b2sum
###############################################################################
$(patsubst %,$(DIR_CHK)/%,$(objects)) :
@@ -62,8 +62,8 @@ $(patsubst %,$(DIR_CHK)/%,$(objects)) :
$(patsubst %,$(DIR_DL)/%,$(objects)) :
@$(LOAD)
$(subst %,%_MD5,$(objects)) :
@$(MD5)
$(subst %,%_BLAKE2,$(objects)) :
@$(B2SUM)
###############################################################################
# Installation Details