$ docker run --rm --name validator-libsodium-usage-ruby-rbnacl-ed25519-sign-verify-2732 -t --mount type=bind,src=/tmp/validator-status-libsodium-usage-ruby-rbnacl-ed25519-sign-verify,dst=/validator/status 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-ruby-rbnacl-ed25519-sign-verify -- bash -c 'PS4=$1; shift; set -x; source "$@"' validator-xtrace '__VALIDATOR_XTRACE__ ' /validator/tests/libsodium/tests/cases/usage/usage-ruby-rbnacl-ed25519-sign-verify.sh
no override packages found; continuing with apt originals
seed = ("\x01".b * 32)
signing_key = RbNaCl::SigningKey.new(seed)
verify_key = signing_key.verify_key
message = "ed25519 KAT message"
signature = signing_key.sign(message)
raise "unexpected signature length" unless signature.bytesize == RbNaCl::Signatures::Ed25519::SIGNATUREBYTES
raise "verification failed" unless verify_key.verify(signature, message)
begin
  verify_key.verify(signature, message + "!")
  raise "tampered message verified"
rescue RbNaCl::BadSignatureError
  # expected
end
puts "ok #{signature.bytesize}"
'
ok 64