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[test] Allow for HMAC tests with partial expected output digest values

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Some public HMAC test vectors provide expected output digest values
that are shorter than the digest size.

Allow HMAC tests to provide expected output digest values of any
non-zero length up to and including the digest size, so that we can
use these public test vectors without needing to synthesize the
remainder of the output digest value.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2026-08-31 21:23:35 +01:00
parent 0a2a0ef50e
commit a1c38478f2
1 changed files with 2 additions and 1 deletions
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src/tests/hmac_test.c
+2 -1
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@@ -108,7 +108,8 @@ static void hmac_okx ( struct hmac_test *test, const char *file,
okx ( sizeof ( ctx ) == ( digest->ctxsize + digest->blocksize ),
file, line );
okx ( sizeof ( key ) == digest->blocksize, file, line );
okx ( test->expected_len == digest->digestsize, file, line );
okx ( test->expected_len > 0, file, line );
okx ( test->expected_len <= digest->digestsize, file, line );
/* Calculate HMAC */
DBGC ( test, "HMAC-%s key:\n", digest->name );