These are a few test keys and certificates (password is 'testtest').
Version ▼VulnerabilitiesRepositoryUsagesDate
2.0.x
2.0.8CentralApr 22, 2018
2.0.7CentralAug 12, 2010
2.0.6CentralAug 11, 2010
2.0.5CentralJun 11, 2010
1.0.x
1.0.2CentralSep 26, 2008