Key management # Note: We strongly advise that you read this section first, before proceeding to any of our language-specific how-tos. It will help you to avoid some typical mistakes. In the current version of Themis, key management is left to the discretion of the end-user. However, we’ve got some helpful tips for those willing to develop in a truly secure way. According to the Kerckhoffs’s principle, cryptosystems should be treated as secure as the keys.