encoded is encode's Past Tense

encode

US [ɪnˈkoʊd]
UK [ɪnˈkəʊd]
  • v.把(电文)译成电码[密码]
  • Web编码;编码的;编码式
Simple Present:encodes  Present Participle:encoding  Past Tense:encoded  
v.
1.
把(电文)译成电码[密码]