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* src/digest.c: Include sha3.h. (BLAKE2B_MAX_LEN): Rename to DIGEST_MAX_LEN since it is also used for SHA-3. (sha3_sum_stream): New function. (enum Algorithm, algorithm_args, algorithm_args, algorithm_types) algorithm_tags, algorithm_bits, cksumfns, cksum_output_fns): Add entries for SHA-3. (usage): Mention that SHA-3 is supported. Mention requirements for --length with SHA-3. (split_3): Use DIGEST_MAX_LEN instead of BLAKE2B_MAX_LEN. Determine the length of the digest for SHA-3. Make sure it is 224, 256, 384, or 512. (digest_file): Set the digest length in bytes. Use DIGEST_MAX_LEN instead of BLAKE2B_MAX_LEN. Always append the digest length to SHA3 in the output. (main): Allow the use of --length with 'cksum -a sha3'. Use DIGEST_MAX_LEN instead of BLAKE2B_MAX_LEN. Make sure it is 224, 256, 384, or 512. * tests/cksum/cksum-base64.pl (@pairs): Add expected sha3 output. (fmt): Modify the output to use SHA3-512 since that is the default. (@Tests): Modify arguments for sha3 to use --length=512. * tests/cksum/cksum-sha3.sh: New test, based on tests/cksum/b2sum.sh. * tests/local.mk (all_tests): Add the test. * bootstrap.conf: Add crypto/sha3. * gnulib: Update to latest commit. * NEWS: Mention the change. * doc/coreutils.texi (cksum general options): Mention sha3 as a supported argument to the -a option. Mention that 'cksum -a sha3' supports the --length option. Mention that SHA-3 is considered secure.
82 lines
3.0 KiB
Bash
Executable File
82 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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# 'cksum -a sha3' tests.
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# Copyright (C) 2025 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ cksum
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getlimits_
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# Ensure we can --check the --tag format we produce
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for i in 'a' ' b' '*c' '44' ' '; do
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echo "$i" > "$i"
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for l in 224 256 384 512; do
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cksum -a sha3 -l $l "$i" >> check.sha3
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done
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done
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# Note -l is inferred from the tags in the mixed format file
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cksum -a sha3 --strict -c check.sha3 || fail=1
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# Also ensure the openssl tagged variant works
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sed 's/ //; s/ =/=/' < check.sha3 > openssl.sha3 || framework_failure_
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cksum -a sha3 --strict -c openssl.sha3 || fail=1
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# Ensure we can check non tagged format
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for l in 224 256 384 512; do
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cksum -a sha3 --untagged --text -l $l /dev/null \
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| tee -a check.vals > check.sha3
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cksum -a sha3 -l $l --strict -c check.sha3 || fail=1
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cksum -a sha3 --strict -c check.sha3 || fail=1
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done
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# Ensure the checksum values are correct. The reference
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# check.vals was created using OpenSSL.
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cksum -a sha3 --length=256 check.vals > out.tmp || fail=1
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tr '*' ' ' < out.tmp > out || framework_failure_ # Remove binary tag on cygwin
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printf '%s' 'SHA3-256 (check.vals) = ' > exp
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echo 'b4753bf1696fda712821b665494c89090ffb0e87b8645559ad9f5db25b42d4f3' >> exp
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compare exp out || fail=1
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# Make sure --check does not handle unsupported digest sizes, e.g. truncated
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# digests.
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printf '%s' 'SHA3-248 (check.vals) = ' > inp
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echo 'b4753bf1696fda712821b665494c89090ffb0e87b8645559ad9f5db25b42d4' >> inp
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returns_ 1 cksum -a sha3 -c --warn inp 2>err || fail=1
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cat <<EOF > exp || framework_failure_
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cksum: inp: 1: improperly formatted SHA3 checksum line
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cksum: inp: no properly formatted checksum lines found
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EOF
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compare exp err || fail=1
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# Only validate the last specified, used length
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cksum -a sha3 -l 253 -l 256 /dev/null || fail=1
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# SHA-3 only allows values for --length to be 224, 256, 384, and 512.
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# Check that multiples of 8 that are allowed by BLAKE2 are disallowed.
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for len in 216 248 376 504 513 1024 $UINTMAX_OFLOW; do
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returns_ 1 cksum -a sha3 -l $len /dev/null 2>err || fail=1
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cat <<EOF > exp || framework_failure_
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cksum: invalid length: '$len'
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cksum: digest length for 'SHA3' must be 224, 256, 384, or 512
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EOF
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compare exp err || fail=1
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# We still check --length when --check is used.
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returns_ 1 cksum -a sha3 -l $len --check /dev/null 2>err || fail=1
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compare exp err
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done
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Exit $fail
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