GM1 Point 3 of Annex V Exchange of relevant operational data and information between U-space service providers and air traffic service providers in accordance with Article 7(3)

ENCRYPTION METHOD — TRANSPORT LAYER SECURITY To ensure data security and privacy for communication over the internet, transport layer security may be used to encrypt the communication between web applications and servers. USSPs and ATSPs may use the transport layer security 1.2 version of the SWIM Technical Infrastructure (TI) Yellow Profile. Transport layer security 1.2 compliance covers:

(a)key exchange algorithms (RSA, DH, ECDH, DHE, ECDHE, PSK),

(b)authentication/digital signature algorithm (RSA, ECDSA, DSA),

(c)bulk encryption algorithms (AES, CHACHA20, Camellia, ARIA), and

(d)message authentication code algorithms (SHA-256, POLY1305).