1*4882a593Smuzhiyun rk_sign_tool is a signing tool for secureboot.it can support 3588|3566|3568|3308|3326|3399|3229|3228h|3368|3228|3288|px30|3328|1808|3228P|1109|1126|2206. 2*4882a593Smuzhiyunshow help of the tool.run it with any parameters.show detail of command,run the command with -h. 3*4882a593Smuzhiyun 4*4882a593Smuzhiyunstep by step: 5*4882a593Smuzhiyun1.specify chip,just do it once, all of chips are 3588|3566|3568|3308|3326|3399|3229|3228h|3368|3228|3288|px30|3328|1808|3228P|1109|1126|2206 6*4882a593Smuzhiyun rk_sign_tool cc --chip 3326 7*4882a593Smuzhiyun2.generate rsa key pairs ,just do it once.if you have key pairs generated before ,go next 8*4882a593Smuzhiyun rk_sign_tool kk --out . 9*4882a593Smuzhiyun3.load rsa key pairs,just do it onece . if you have key pairs loaded before, go next 10*4882a593Smuzhiyun rk_sign_tool lk --key privateKey.pem --pubkey publicKey.pem 11*4882a593Smuzhiyun4.sign loader 12*4882a593Smuzhiyun rk_sign_tool sl --loader loader.bin 13*4882a593Smuzhiyun5.sign uboot.img trust.img 14*4882a593Smuzhiyun rk_sign_tool si --img uboot.img 15*4882a593Smuzhiyun rk_sign_tool si --img trust.img 16*4882a593Smuzhiyun6.sign update.img,it will sign loader,uboot,trust in the update.img 17*4882a593Smuzhiyun rk_sign_tool sf --firmware update.img 18