Baseline Privacy plus Interface(BPI+)on DOCSIS uses the56bit DES for Packet Data Encryp-tion,and the Three-ary DES for the Traffic Encryption Key Encryption.

• 基于DOCSIS标准的增强型基线保密性接口(BPI+)采用56bitDES加密分组数据、采用二密钥三重DES加密通信量加密密钥。