grpc
服務端加grpc.WithInsecure():不使用證書
conn,err:=grpc.Dial(":8081",grpc.WithInsecure())
生成CA根證書 ca.pem
更具根證書可生成服務端證書、客戶端證書
openssl
genrsa -out ca.key 2048
req -new -x509 -days 3650 -key ca.key -out ca.pem
依次輸入:
cn
State or Province Name:beijing
Organization Name:jtthink
Common Name:localhost(域名,沒有就寫本地)
生成簽發服務端證書server.pem

1:openssl
2:genrsa -out server.key 2048
3:req -new -key server.key -out server.csr
依次按圖片輸入
# 簽發服務的證書:
4:x509 -req -sha256 -CA ca.pem -CAkey ca.key -CAcreateserial -days 3650 -in server.csr -out server.pem
生成客戶端服務端證書client.pem

1:openssl
#生成client.key
2:ecparam -genkey -name secp384r1 -out client.key
#生成client.key的請求文件
3:req -new -key client.key -out client.csr
# 簽發
4:x509 -req -sha256 -CA ca.pem -CAkey ca.key -CAcreateserial -days 3650 -in server.csr -out client.pem