openssl 签署SAN证书
2022/3/25 23:24:42
本文主要是介绍openssl 签署SAN证书,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
1、Prepare openssl config file.
cat > my-openssl.cnf << EOF [ ca ] default_ca = CA_default [ CA_default ] x509_extensions = usr_cert [ req ] default_bits = 2048 default_md = sha256 default_keyfile = privkey.pem distinguished_name = req_distinguished_name attributes = req_attributes x509_extensions = v3_ca string_mask = utf8only [ req_distinguished_name ] [ req_attributes ] [ usr_cert ] basicConstraints = CA:FALSE nsComment = "OpenSSL Generated Certificate" subjectKeyIdentifier = hash authorityKeyIdentifier = keyid,issuer [ v3_ca ] subjectKeyIdentifier = hash authorityKeyIdentifier = keyid:always,issuer basicConstraints = CA:true EOF
2、build ca certificates
openssl genrsa -out ca.key 2048 openssl req -x509 -new -nodes -key ca.key -subj "/CN=example.ca.com" -days 5000 -out ca.crt
3、build certificates
openssl genrsa -out server.key 2048 openssl req -new -sha256 -key server.key \ -subj "/C=XX/ST=DEFAULT/L=DEFAULT/O=DEFAULT/CN=server.com" \ -reqexts SAN \ -config <(cat my-openssl.cnf <(printf "\n[SAN]\nsubjectAltName=DNS:localhost,IP:127.0.0.1,DNS:example.server.com")) \ -out server.csr openssl x509 -req -days 365 \ -in server.csr -CA ca.crt -CAkey ca.key -CAcreateserial \ -extfile <(printf "subjectAltName=DNS:localhost,IP:127.0.0.1,DNS:example.server.com") \ -out server.crt
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