$ docker run --rm --name validator-libsodium-usage-php83-r12-crypto-sign-detached-verify-48096 -t --mount type=bind,src=/tmp/validator-status-libsodium-usage-php83-r12-crypto-sign-detached-verify,dst=/validator/status --mount type=bind,src=/home/runner/work/validator/validator/.work/pages-artifacts/debs/port/libsodium,dst=/override-debs,readonly validator-libsodium-shared bash -lc 'set -euo pipefail
/validator/tests/_shared/install_override_debs.sh
exec /validator/tests/_shared/run_library_tests.sh "$@"' validator-testcase libsodium usage-php83-r12-crypto-sign-detached-verify -- bash -c 'PS4=$1; shift; set -x; source "$@"' validator-xtrace '__VALIDATOR_XTRACE__ ' /validator/tests/libsodium/tests/cases/usage/usage-php83-r12-crypto-sign-detached-verify.sh
installing override packages from /override-debs
(Reading database ... (Reading database ... 5%(Reading database ... 10%(Reading database ... 15%(Reading database ... 20%(Reading database ... 25%(Reading database ... 30%(Reading database ... 35%(Reading database ... 40%(Reading database ... 45%(Reading database ... 50%(Reading database ... 55%(Reading database ... 60%(Reading database ... 65%(Reading database ... 70%(Reading database ... 75%(Reading database ... 80%(Reading database ... 85%(Reading database ... 90%(Reading database ... 95%(Reading database ... 100%(Reading database ... 22270 files and directories currently installed.)
Preparing to unpack .../libsodium-dev_1.0.18-1ubuntu0.24.04.1+safelibs1778011697_amd64.deb ...
Unpacking libsodium-dev:amd64 (1.0.18-1ubuntu0.24.04.1+safelibs1778011697) over (1.0.18-1ubuntu0.24.04.1) ...
Preparing to unpack .../libsodium23_1.0.18-1ubuntu0.24.04.1+safelibs1778011697_amd64.deb ...
Unpacking libsodium23:amd64 (1.0.18-1ubuntu0.24.04.1+safelibs1778011697) over (1.0.18-1ubuntu0.24.04.1) ...
Setting up libsodium23:amd64 (1.0.18-1ubuntu0.24.04.1+safelibs1778011697) ...
Setting up libsodium-dev:amd64 (1.0.18-1ubuntu0.24.04.1+safelibs1778011697) ...
Processing triggers for libc-bin (2.39-0ubuntu8.7) ...
$seed = str_repeat("\x21", SODIUM_CRYPTO_SIGN_SEEDBYTES);
$kp = sodium_crypto_sign_seed_keypair($seed);
$pk = sodium_crypto_sign_publickey($kp);
$sk = sodium_crypto_sign_secretkey($kp);

$msg = "php r12 crypto_sign payload";
$sig = sodium_crypto_sign_detached($msg, $sk);
if (strlen($sig) !== SODIUM_CRYPTO_SIGN_BYTES) {
  fwrite(STDERR, "wrong sig len " . strlen($sig) . "\n"); exit(1);
}

if (!sodium_crypto_sign_verify_detached($sig, $msg, $pk)) {
  fwrite(STDERR, "verify failed\n"); exit(1);
}

// Tampered message must fail verify.
$tampered = $msg . "x";
if (sodium_crypto_sign_verify_detached($sig, $tampered, $pk)) {
  fwrite(STDERR, "tampered message accepted\n"); exit(1);
}
echo "ok\n";
'
ok