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Ran 21 Apr 2026 05:47PM UTC

Files 1789

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Committed 21 Apr 2026 04:29PM UTC coverage: 60.295% (+0.002%) from 60.293%

Job # 24734081300.2

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push

github

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web-flow

Commit Message

tests: add fuzz harness for XMSS stateful signature verification (#2399) (#2400)

* tests: add fuzz harness for XMSS stateful signature verification

Adds fuzz_test_sig_stfl_xmss.c targeting OQS_SIG_STFL_verify for the
two parameter sets specified in #2399:
  - XMSS-SHA2_10_256
  - XMSSMT-SHA2_20/2_256

The fuzzer mutates signature, message, and public_key inputs on each
iteration. Keypairs are generated once via LLVMFuzzerInitialize to
avoid the overhead of XMSS key generation per iteration.

Verified locally: 22.9M iterations in 16s, no crashes detected.
Closes #2399

Signed-off-by: Vishnu Ajith <86302373+Vishnu2707@users.noreply.github.com>

* Run code formatter

Signed-off-by: Douglas Stebila <dstebila@uwaterloo.ca>

* tests: use KAT data as seed for XMSS fuzz harness

Co-authored-by: Norm Ashley <ashman-p@github.com>
Signed-off-by: Vishnu Ajith <27vishnu07@gmail.com>
Signed-off-by: Vishnu Ajith <86302373+Vishnu2707@users.noreply.github.com>

---------

Signed-off-by: Vishnu Ajith <86302373+Vishnu2707@users.noreply.github.com>
Signed-off-by: Douglas Stebila <dstebila@uwaterloo.ca>
Signed-off-by: Vishnu Ajith <27vishnu07@gmail.com>
Co-authored-by: Douglas Stebila <dstebila@uwaterloo.ca>
Co-authored-by: Norm Ashley <ashman-p@github.com>
Co-authored-by: Norman Ashley <nashley@cisco.com>

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