$ docker run --rm --name validator-libsodium-usage-ruby-rbnacl-r16-ed25519-sign-verify-known-message-2732 -t --mount type=bind,src=/tmp/validator-status-libsodium-usage-ruby-rbnacl-r16-ed25519-sign-verify-known-message,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-r16-ed25519-sign-verify-known-message -- bash -c 'PS4=$1; shift; set -x; source "$@"' validator-xtrace '__VALIDATOR_XTRACE__ ' /validator/tests/libsodium/tests/cases/usage/usage-ruby-rbnacl-r16-ed25519-sign-verify-known-message.sh
no override packages found; continuing with apt originals
sk = RbNaCl::Signatures::Ed25519::SigningKey.generate
vk = sk.verify_key

msg = "r16 rbnacl ed25519 known message".b
sig = sk.sign(msg)
raise "sig bytesize=#{sig.bytesize}" unless sig.bytesize == 64

raise "verify failed" unless vk.verify(sig, msg)

bad = msg + "!".b
raised = false
begin
  vk.verify(sig, bad)
rescue RbNaCl::BadSignatureError
  raised = true
end
raise "tampered message accepted" unless raised
puts "ok sig=#{sig.bytesize}"
'
ok sig=64