Recommended Cipher Suite

IANA name:
TLS_ECDHE_PSK_WITH_AES_128_CCM_SHA256
Hex code:
0xD0, 0x05
TLS Version(s):
TLS1.2

Protocol:
Transport Layer Security (TLS)
Key Exchange:
Elliptic Curve Diffie-Hellman Ephemeral (ECDHE)
Authentication
Pre-Shared Key (PSK)
Encryption:
AES 128 CCM
Hash:
Secure Hash Algorithm 256 (SHA256)

Included in RFC:
Machine-readable:
application/json