olm: olm (Implementation of the olm and megolm cryptographic ratchets) olm: olm: An implementation of the Double Ratchet cryptographic ratchet written olm: in C and C++11 and exposed as a C API. This library also includes an olm: implementation of the Megolm cryptographic ratchet. olm: olm: Homepage: https://gitlab.matrix.org/matrix-org/olm olm: olm: olm: olm: