密钥生成
openssl ecparam -genkey -name secp384r1 -noout -out private.pem
openssl ec -in private.pem -pubout -out public.pem
签名生成:
openssl dgst -sha1 -sign private.pem readme.md >signature
签名验证:
openssl dgst -sha1 -verify public.pem -signature signature <readme.md