Section: C.3.4.2 Profile B
Content: The ME and SIDF shall implement this profile. The ECIES parameters for this profile shall be the following: - EC domain parameters : secp256r1 [30] - EC Diffie-Hellman primitive : Elliptic Curve Cofactor Diffie-Hellman Primitive [29] - point compression : true - KDF : ANSI-X9.63-KDF [29] - Hash : SHA-256 - SharedInfo1 : (the ephemeral public key octet string – see [29] section 5.1.3) - MAC : HMAC–SHA-256 - mackeylen : 32 octets (256 bits) - maclen : 8 octets (64 bits) - SharedInfo2 : the empty string - ENC : AES–128 in CTR mode - enckeylen : 16 octets (128 bits) - icblen : 16 octets (128 bits) - backwards compatibility mode : false