KMC-Subject137 Library Project
The KMC-Subset137 Library implements the protocol described in “ERTMS/ECTS; On-line Key Management FFFIS” UNISIG SUBSET-137 ver1.0.0.
It covers the on-line distribution of cryptographic keys among the Key Management Centres authoritative in their respective domains. It also deals with the exchange between a Key Management Centre and its own domain KMAC entities.
The library provides a simple C language application programming interface (API) to access and parse UNISIG SUBSET-137 messages and is licensed under both open source and commercial versions.
General architecture of KMC
Picture from UNISIG “Subset-137 On-line Key Management FFFIS v1.0.0”
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The library is distributed under both open source and commercial licenses.