该命令不断生成有效期仅 365 天的证书，无论我将值更改为 100 还是 3650，结果都是相同的。 1年。如何生成有效期为10年的证书？
# openssl req -new -keyout newkey.pem -out newreq.pem -days 3650
Generating a 2048 bit RSA private key
...........................................................+++
.........................+++
writing new private key to 'newkey.pem'
Enter PEM pass phrase:
Verifying - Enter PEM pass phrase:
-----
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [AU]:AU
State or Province Name (full name) [Some-State]:State
Locality Name (eg, city) []:City
Organization Name (eg, company) [Internet Widgits PTY Ltd]:company
Organizational Unit Name (eg, section) []:section
Common Name (eg, server FQDN or YOUR name) []:server
Email Address []:[email protected]
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:
# ./CA.sh -sign
Using configuration from /usr/lib/ssl/openssl.cnf
Enter pass phrase for ./demoCA/private/cakey.pem:
Check that the request matches the signature
Signature ok
Certificate Details:
Serial Number:
cb:32:13:1d:e2:40:2f:e4
Validity
Not Before: May 11 17:58:32 2021 GMT
Not After : May 11 17:58:32 2022 GMT
Subject:
countryName = AU
stateOrProvinceName = State
localityName = City
organizationName = company
organizationalUnitName = section
commonName = server
emailAddress = [email protected]
X509v3 extensions:
X509v3 Basic Constraints:
CA:FALSE
Netscape Comment:
OpenSSL Generated Certificate
X509v3 Subject Key Identifier:
E7:8A:D9:91:7C:81:BF:C0:CE:D9:43:D7:C8:D8:03:1C:60:85:D0:35
X509v3 Authority Key Identifier:
keyid:CF:76:53:4A:FB:01:EC:DE:CE:40:C1:F2:F0:F6:6E:12:57:24:8F:45
Certificate is to be certified until May 11 17:58:32 2022 GMT (365 days)
Sign the certificate? [y/n]:
答案1
由于某些奇怪的原因，您必须更改 in default_days，openssl.cnf否则它将覆盖-days命令行选项。
即编辑openssl.conf，使其具有：
default_days = 3650
从直觉上看，这显然是错误的，并且与软件默认值和命令行选项应如何交互的合理预期相反（确实如此），但这就是它的工作方式。