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cksum: add support for SHA-3

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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.
This commit is contained in:
Collin Funk
2025-08-31 16:56:08 -07:00
parent 022673367b
commit 403d82a0bf
8 changed files with 220 additions and 39 deletions
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NEWS
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@@ -87,6 +87,10 @@ GNU coreutils NEWS -*- outline -*-
basenc supports the --base58 option to encode and decode
the visually unambiguous Base58 encoding.
'cksum -a' now supports the 'sha3' argument, to use the SHA3-224,
SHA3-256, SHA3-384, SHA3-512 message digest algorithms depending on
the argument passed to the required --length (-l) option.
'date' now outputs dates in the country's native calendar for the
Iranian locale (fa_IR) and for the Ethiopian locale (am_ET), and also
does so more consistently for the Thailand locale (th_TH.UTF-8).