创建API Signing Key

1，创建private key

创建有密码的private key

openssl genrsa -out oci_api_key.pem -aes128 2048 

或者创建无密码的private key

openssl genrsa -out oci_api_key.pem 2048

2，变更权限

chmod go-rwx oci_api_key.pem

3，创建public key

openssl rsa -pubout -in oci_api_key.pem -out oci_api_key_public.pem

4，取得Key's Fingerprint

openssl rsa -pubout -outform DER -in oci_api_key.pem | openssl md5 -c

结尾！