{"record":{"id":"44b95b41372429e2","repo":"ruby/rubygems","slug":"invalid-signing-chain-e-message","errorCode":null,"errorMessage":"invalid signing chain: #{e.message}","messagePattern":"invalid signing chain: #(.+?)","errorType":"exception","errorClass":"Gem::Security::Exception","httpStatus":null,"severity":"error","filePath":"lib/rubygems/security/policy.rb","lineNumber":67,"sourceCode":"    end\n  end\n\n  ##\n  # Verifies each certificate in +chain+ has signed the following certificate\n  # and is valid for the given +time+.\n\n  def check_chain(chain, time)\n    raise Gem::Security::Exception, \"missing signing chain\" unless chain\n    raise Gem::Security::Exception, \"empty signing chain\" if chain.empty?\n\n    begin\n      chain.each_cons 2 do |issuer, cert|\n        check_cert cert, issuer, time\n      end\n\n      true\n    rescue Gem::Security::Exception => e\n      raise Gem::Security::Exception, \"invalid signing chain: #{e.message}\"\n    end\n  end\n\n  ##\n  # Verifies that +data+ matches the +signature+ created by +public_key+ and\n  # the +digest+ algorithm.\n\n  def check_data(public_key, digest, signature, data)\n    raise Gem::Security::Exception, \"invalid signature\" unless\n      public_key.verify digest, signature, data.digest\n\n    true\n  end\n\n  ##\n  # Ensures that +signer+ is valid for +time+ and was signed by the +issuer+.\n  # If the +issuer+ is +nil+ no verification is performed.\n","sourceCodeStart":49,"sourceCodeEnd":85,"githubUrl":"https://github.com/ruby/rubygems/blob/86cbb817a38ce8477b181c17467a703ded3f2be8/lib/rubygems/security/policy.rb#L49-L85","documentation":"Error \"invalid signing chain: #{e.message}\" thrown in ruby/rubygems.","triggerScenarios":"Thrown at lib/rubygems/security/policy.rb:67 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Fix the certificate chain (see the wrapped error) and re-sign the gem"],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"86cbb817a38ce8477b181c17467a703ded3f2be8","analyzedAt":"2026-08-23T06:27:48.159Z","schemaVersion":2},"datasetVersion":"2026-08-23T08:06:27.607Z"}