最終更新:2022-08-15 (月) 17:48:13 (40d)  

Bluetooth Classic/セキュアコネクション
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BR/EDR Secure Connections

SSPの強化バージョン

概要

  • Bluetooth 4.1 added the Secure Connections feature to the BR/EDR phyisical transport, which upgraded Secure Simple Pairing to utilize the P-256 elliptic curve, device authentication to use FIPS-approved algorithms (HMAC-SHA-256? and AES-CTR?).
  • Secure Connections also added message integrity (AESCCM).

LMP/ペアリング

  • A procedure that authenticates two devices and creates a common link key that can be used as a basis for a trusted relationship or a (single) secure connection.
  • A procedure that authenticates two devices, based on a PIN, and subsequently creates a common link key that can be used as a basis for a trusted relationship or a (single) secure connection.
  • The procedure consists of the steps:
    • creation of an initialization key (based on a random number and a PIN)
    • creation and exchange of a common link key
    • LMP-authentication based on the common link key.