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SK-AM62A-LP: 在secureboot功能中,使用./gen_keywr_cert.sh -g命令生成密钥,请问能够修改密钥的长度和算法吗

Part Number: SK-AM62A-LP

在secureboot功能中,使用./gen_keywr_cert.sh -g命令生成密钥,请问能够修改密钥的长度和算法吗? 在./gen_keywr_cert.sh 工具中生成密钥的代码如下:

-g|--gen)
echo "# Generating random keys in keys/folder"
mkdir -p keys
openssl rand 32 > keys/aes256.key 
openssl genrsa -out keys/smpk.pem 
openssl genrsa -out keys/bmpk.pem 
openssl rand 32 > keys/smek.key 
openssl rand 32 > keys/bmek.key 
exit

能否修改算法为ecc ,比如改成

openssl rand 32 > keys/aes256.key 
openssl ecparam -genkey -name secp256k1 -out ec_smpk.pem
openssl ecparam -genkey -name secp256k1 -out ec_bmpk.pem
openssl rand 32 > keys/smek.key 
openssl rand 32 > keys/bmek.key