iOS13に上がったことで、「サーバーの識別情報を検証できません」のメッセージで悩んでいる方が多いようで。
サーバ証明書作成に使った openssl.cnfの必要な抜粋を載せてみる。
HOME = . RANDFILE = $ENV::HOME/.rnd oid_section = new_oids [ new_oids ] tsa_policy1 = 1.2.3.4.1 tsa_policy2 = 1.2.3.4.5.6 tsa_policy3 = 1.2.3.4.5.7 [ ca ] default_ca = CA_default # The default ca section [ CA_default ] dir = /etc/ssl/foobaa.CA # Where everything is kept certs = $dir/certs # Where the issued certs are kept crl_dir = $dir/crl # Where the issued crl are kept database = $dir/index.txt # database index file. # several ctificates with same subject. new_certs_dir = $dir/newcerts # default place for new certs. certificate = $dir/cacert.pem # The CA certificate serial = $dir/serial # The current serial number crlnumber = $dir/crlnumber # the current crl number # must be commented out to leave a V1 CRL crl = $dir/crl.pem # The current CRL private_key = $dir/private/cakey.pem# The private key RANDFILE = $dir/private/.rand # private random number file x509_extensions = usr_cert # The extentions to add to the cert name_opt = ca_default # Subject Name options cert_opt = ca_default # Certificate field options default_days = 820 # 2019/09/25 for iOS13 securiy policy default_crl_days= 30 # how long before next CRL default_md = sha256 preserve = no # keep passed DN ordering policy = policy_match [ policy_match ] countryName = match stateOrProvinceName = match organizationName = match organizationalUnitName = optional commonName = supplied emailAddress = optional [ policy_anything ] countryName = optional stateOrProvinceName = optional localityName = optional organizationName = optional organizationalUnitName = optional commonName = supplied emailAddress = optional [ req ] default_bits = 2048 default_keyfile = privkey.pem distinguished_name = req_distinguished_name attributes = req_attributes x509_extensions = v3_ca # The extentions to add to the self signed cert string_mask = utf8only req_extensions = v3_req [ req_distinguished_name ] countryName = Country Name (2 letter code) countryName_default = JP countryName_min = 2 countryName_max = 2 stateOrProvinceName = State or Province Name (full name) stateOrProvinceName_default = Tokyo localityName = Locality Name (eg, city) localityName_default = Shinagawa 0.organizationName = Organization Name (eg, company) 0.organizationName_default = SamaToComapany organizationalUnitName = Organizational Unit Name (eg, section) commonName = Common Name (e.g. server FQDN or YOUR name) commonName_max = 64 emailAddress = Email Address emailAddress_max = 64 [ req_attributes ] challengePassword = A challenge password challengePassword_min = 4 challengePassword_max = 20 unstructuredName = An optional company name [ usr_cert ] basicConstraints=CA:FALSE nsComment = "OpenSSL Generated Certificate" subjectKeyIdentifier=hash authorityKeyIdentifier=keyid,issuer:always subjectAltName= @alt_names extendedKeyUsage = critical,timeStamping,serverAuth,clientAuth,codeSigning,emailProtection [ v3_req ] basicConstraints = CA:FALSE keyUsage = nonRepudiation, digitalSignature, keyEncipherment subjectAltName =@alt_names extendedKeyUsage = serverAuth,clientAuth,codeSigning,emailProtection [ v3_ca ] subjectKeyIdentifier=hash authorityKeyIdentifier=keyid:always,issuer basicConstraints = CA:true [ crl_ext ] authorityKeyIdentifier=keyid:always [ proxy_cert_ext ] basicConstraints=CA:FALSE nsComment = "OpenSSL Generated Certificate" subjectKeyIdentifier=hash authorityKeyIdentifier=keyid,issuer proxyCertInfo=critical,language:id-ppl-anyLanguage,pathlen:3,policy:foo [ tsa ] default_tsa = tsa_config1 # the default TSA section [ tsa_config1 ] dir = /etc/ssl/foobaa.CA # TSA root directory serial = $dir/tsaserial # The current serial number (mandatory) crypto_device = builtin # OpenSSL engine to use for signing signer_cert = $dir/tsacert.pem # The TSA signing certificate # (optional) certs = $dir/cacert.pem # Certificate chain to include in reply # (optional) signer_key = $dir/private/tsakey.pem # The TSA private key (optional) default_policy = tsa_policy1 # Policy if request did not specify it # (optional) other_policies = tsa_policy2, tsa_policy3 # acceptable policies (optional) digests = sha256 # Acceptable message digests (mandatory) accuracy = secs:1, millisecs:500, microsecs:100 # (optional) clock_precision_digits = 0 # number of digits after dot. (optional) ordering = yes # Is ordering defined for timestamps? # (optional, default: no) tsa_name = yes # Must the TSA name be included in the reply? # (optional, default: no) ess_cert_id_chain = no # Must the ESS cert id chain be included? # (optional, default: no) [ ca_cert ] basicConstraints=CA:TRUE subjectKeyIdentifier=hash authorityKeyIdentifier=keyid:always,issuer:always nsCertType = sslCA, emailCA keyUsage = cRLSign, keyCertSign [alt_names] DNS.1 = foobaa.com DNS.2 = *.foobaa.com