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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/934989/bq40z50-r3-hmac-sha-1-authentication-question
生成512位的 SHA-1输入块 B2 (总输入= 128位身份验证密钥 KD + 160位哈希 HMAC1 +1 + 159 0 + 1000000)。
"+1 +159 0 + 100100000 "是什么意思？ 我无法理解上述公式如何获得512位消息。
您好！
有一个应用手册可能对 BQ26100有所帮助-该信息也适用于 BQ40Z50： https://www.ti.com/lit/an/slua389a/slua389a.pdf
它描述了128密钥和160位哈希。
此致、
Matt
