Key creation includes sending a first public key part from a first system to a second system, receiving a second public key part sent by the second system to the first system and establishing a first secret material in the first system using the first and second public key parts, wherein the first secret material is identical to a second secret material established on the second system using the first and second key parts. Key creation also includes binding key control information to the first secret material in the first system, wherein the key control information includes information relating to key type and key management and deriving a first key material from the combination of the key control information and the first secret material, wherein the first key material is identical to a second key material derived by the second system.