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在 Ubuntu 19.10 上运行以下命令时，使用 OpenSSl 1.1.1c 2019 年 5 月 28 日：

openssl req -config ${CNF_FILE} -key ${PRIVATE_FILE} -new -x509 -days 10950 -sha384 -extensions v3_ca -out ${CERT_FILE}

我收到以下输出：

加载扩展部分 v3_ca 时出错

140710502360256：错误：22097082：X509 V3 例程：do_ext_nconf：未知扩展名：../crypto/x509v3/v3_conf.c:78：

140710502360256：错误：22098080：X509 V3 例程：X509V3_EXT_nconf：扩展错误：../crypto/x509v3/v3_conf.c:47:name=copy_extensions，value=copy

使用以下配置文件：

[ca ]
# `man ca`
default_ca = CA_default

[ CA_default ]
# Directory and file locations.
dir               = /home/ca
certs             = $dir/certs
crl_dir           = $dir/crl
new_certs_dir     = $dir/newcerts
database          = $dir/index.txt
serial            = $dir/serial
RANDFILE          = $dir/private/.rand

# The root key and root certificate.
private_key       = $dir/private/ca_ecc.key.pem
certificate       = $dir/certs/ca_ecc.cert.pem

# For certificate revocation lists.
crlnumber         = $dir/crlnumber
crl               = $dir/crl/ca.crl.pem
crl_extensions    = crl_ext
default_crl_days  = 30

# SHA-1 is deprecated, so use SHA-2 instead.
default_md        = sha256

name_opt          = ca_default
cert_opt          = ca_default
default_days      = 375
preserve          = no
policy            = policy_strict

[ policy_strict ]
# The root CA should only sign intermediate certificates that match.
# See the POLICY FORMAT section of `man ca`.
countryName             = match
stateOrProvinceName     = match
organizationName        = match
organizationalUnitName  = optional
commonName              = supplied
emailAddress            = optional

[ policy_loose ]
# Allow the intermediate CA to sign a more diverse range of certificates.
# See the POLICY FORMAT section of the `ca` man page.
countryName             = optional
stateOrProvinceName     = optional
localityName            = optional
organizationName        = optional
organizationalUnitName  = optional
commonName              = supplied
emailAddress            = optional

[ req ]
# Options for the `req` tool (`man req`).
default_bits        = 2048
distinguished_name  = req_distinguished_name
string_mask         = utf8only

# SHA-1 is deprecated, so use SHA-2 instead.
default_md          = sha256

# Extension to add when the -x509 option is used.
x509_extensions     = v3_ca

[ req_distinguished_name ]
# See <https://en.wikipedia.org/wiki/Certificate_signing_request>.
countryName                     = Country Name (2 letter code)
stateOrProvinceName             = State or Province Name
localityName                    = Locality Name
0.organizationName              = Organization Name
organizationalUnitName          = Organizational Unit Name
commonName                      = Common Name
emailAddress                    = Email Address

# Optionally, specify some defaults.
countryName_default             = US
stateOrProvinceName_default     = My State
localityName_default            = My City
0.organizationName_default      = My Company
organizationalUnitName_default  = My Office
emailAddress_default            = certificates@certificates.com

[ v3_ca ]
# Extensions for a typical CA (`man x509v3_config`).
subjectKeyIdentifier = hash
authorityKeyIdentifier = keyid:always,issuer
basicConstraints = critical, CA:true
keyUsage = critical, digitalSignature, cRLSign, keyCertSign
copy_extensions = copy
preserve = yes

该错误使我无法理解，并且为了提供一些背景知识，我尝试使用 copy_extensions 以便当我通过 -addext （或通过任何方式）将 subjectAltName 传递给 CSR 时，执行以下操作时，subjectAltName 将传递到签名证书（以下是中级证书的 openssl 命令，用于签署和创建基于客户端或服务器的证书，除了我刚才所说的之外，它都运行良好）：

openssl ${algo_GEN} -out $PRIVATE_FILE

openssl req -config $CNF_FILE -key $PRIVATE_FILE -new -addext "subjectAltName = ${SAN_LIST}" -sha384 -out $CSR_FILE << EOF





${CERT_ID}

EOF

openssl ca -batch -config $CNF_FILE -extensions ${EXTENSION} -days 375 -notext -md sha384 -in $CSR_FILE -out $CERT_FILE -passin pass:${pass_key}
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