Is Identity-based encryption used in the wild? I have a curious question.
Is Identity-based encryption used in the wild?
SM9 (GM/T 0044.5‐2016) is an IBE scheme widely used in China. Unfortunately most of the documents are in Chinese with no English translations available. But a description of basic SM9 scheme is available on eprint and an open source implementation is in the OpenSSL fork GmSSL