I'm using openssl to sign files, it works but I would like the private key file is encrypted with a password. These are the commands I'm using, I would like to know the equivalent commands using a. First, you have to generate parameters from which to generate the key then to generate the key itself. Openssl dsaparam -out dsaparam.pem 2048 openssl gendsa -des3 -out privkey.pem dsaparam.pem. Again like RSA, 2048 is the size of the key, in bits with anything smaller than 2048 being insecure in todays standards. How can I find the private key for my SSL certificate. If you just got an issued SSL certificate and are having a hard time finding the corresponding private key, this article can help you to find that one and only key for your certificate.
- This module allows one to (re)generate OpenSSL private keys.
- One can generate RSA, DSA, ECC or EdDSA private keys.
- Keys are generated in PEM format.
- Please note that the module regenerates private keys if they don’t match the module’s options. In particular, if you provide another passphrase (or specify none), change the keysize, etc., the private key will be regenerated. If you are concerned that this could overwrite your private key, consider using the backup option.
- The module can use the cryptography Python library, or the pyOpenSSL Python library. By default, it tries to detect which one is available. This can be overridden with the select_crypto_backend option. Please note that the PyOpenSSL backend was deprecated in Ansible 2.9 and will be removed in Ansible 2.13.”
The below requirements are needed on the host that executes this module.
- Either cryptography >= 1.2.3 (older versions might work as well)
- Or pyOpenSSL
| Parameter | Choices/Defaults | Comments |
|---|---|---|
| attributes string | The attributes the resulting file or directory should have. To get supported flags look at the man page for chattr on the target system. This string should contain the attributes in the same order as the one displayed by lsattr. The = operator is assumed as default, otherwise + or - operators need to be included in the string. | |
| backup added in 2.8 |
| Create a backup file including a timestamp so you can get the original private key back if you overwrote it with a new one by accident. |
| cipher string | The cipher to encrypt the private key. (Valid values can be found by running `openssl list -cipher-algorithms` or `openssl list-cipher-algorithms`, depending on your OpenSSL version.) | |
| curve added in 2.8 |
| Note that not all curves are supported by all versions of cryptography.For maximal interoperability, secp384r1 or secp256r1 should be used.We use the curve names as defined in the IANA registry for TLS. |
| force boolean |
| Should the key be regenerated even if it already exists. |
| group string | Name of the group that should own the file/directory, as would be fed to chown. | |
| mode string | The permissions the resulting file or directory should have. For those used to /usr/bin/chmod remember that modes are actually octal numbers. You must either add a leading zero so that Ansible's YAML parser knows it is an octal number (like 0644 or 01777) or quote it (like '644' or '1777') so Ansible receives a string and can do its own conversion from string into number.Giving Ansible a number without following one of these rules will end up with a decimal number which will have unexpected results. As of Ansible 1.8, the mode may be specified as a symbolic mode (for example, u+rwx or u=rw,g=r,o=r).As of Ansible 2.6, the mode may also be the special string preserve.When set to preserve the file will be given the same permissions as the source file. | |
| owner string | Name of the user that should own the file/directory, as would be fed to chown. | |
| passphrase string | The passphrase for the private key. | |
| path path / required | Name of the file in which the generated TLS/SSL private key will be written. It will have 0600 mode. | |
| select_crypto_backend string |
| The default choice is auto, which tries to use cryptography if available, and falls back to pyopenssl.If set to pyopenssl, will try to use the pyOpenSSL library.If set to cryptography, will try to use the cryptography library.Please note that the pyopenssl backend has been deprecated in Ansible 2.9, and will be removed in Ansible 2.13. From that point on, only the cryptography backend will be available. |
| selevel string | Default: | The level part of the SELinux file context. This is the MLS/MCS attribute, sometimes known as the range.When set to _default, it will use the level portion of the policy if available. |
| serole string | When set to _default, it will use the role portion of the policy if available. | |
| setype string | When set to _default, it will use the type portion of the policy if available. | |
| seuser string | By default it uses the system policy, where applicable.When set to _default, it will use the user portion of the policy if available. | |
| size integer | Default: | Size (in bits) of the TLS/SSL key to generate. |
| state string |
| Whether the private key should exist or not, taking action if the state is different from what is stated. |
| type string |
| The algorithm used to generate the TLS/SSL private key. Note that ECC, X25519, X448, Ed25519 and Ed448 require the cryptography backend. X25519 needs cryptography 2.5 or newer, while X448, Ed25519 and Ed448 require cryptography 2.6 or newer. For ECC, the minimal cryptography version required depends on the curve option. |
| unsafe_writes boolean |
| Influence when to use atomic operation to prevent data corruption or inconsistent reads from the target file. By default this module uses atomic operations to prevent data corruption or inconsistent reads from the target files, but sometimes systems are configured or just broken in ways that prevent this. One example is docker mounted files, which cannot be updated atomically from inside the container and can only be written in an unsafe manner. This option allows Ansible to fall back to unsafe methods of updating files when atomic operations fail (however, it doesn't force Ansible to perform unsafe writes). IMPORTANT! Unsafe writes are subject to race conditions and can lead to data corruption. |
See also
- openssl_certificate – Generate and/or check OpenSSL certificates
- The official documentation on the openssl_certificate module.
- openssl_csr – Generate OpenSSL Certificate Signing Request (CSR)
- The official documentation on the openssl_csr module.
- openssl_dhparam – Generate OpenSSL Diffie-Hellman Parameters
- The official documentation on the openssl_dhparam module.
- openssl_pkcs12 – Generate OpenSSL PKCS#12 archive
- The official documentation on the openssl_pkcs12 module.
- openssl_publickey – Generate an OpenSSL public key from its private key
- The official documentation on the openssl_publickey module.
Common return values are documented here, the following are the fields unique to this module:
| Key | Returned | Description |
|---|---|---|
| backup_file string | changed and if backup is yes | Sample: |
| curve | changed or success, and type is ECC | Elliptic curve used to generate the TLS/SSL private key. secp256r1 |
| filename string | changed or success | Sample: |
| fingerprint | changed or success | The fingerprint of the public key. Fingerprint will be generated for each hashlib.algorithms available.The PyOpenSSL backend requires PyOpenSSL >= 16.0 for meaningful output. {'md5': '84:75:71:72:8d:04:b5:6c:4d:37:6d:66:83:f5:4c:29', 'sha1': '51:cc:7c:68:5d:eb:41:43:88:7e:1a:ae:c7:f8:24:72:ee:71:f6:10', 'sha224': 'b1:19:a6:6c:14:ac:33:1d:ed:18:50:d3:06:5c:b2:32:91:f1:f1:52:8c:cb:d5:75:e9:f5:9b:46', 'sha256': '41:ab:c7:cb:d5:5f:30:60:46:99:ac:d4:00:70:cf:a1:76:4f:24:5d:10:24:57:5d:51:6e:09:97:df:2f:de:c7', 'sha384': '85:39:50:4e:de:d9:19:33:40:70:ae:10:ab:59:24:19:51:c3:a2:e4:0b:1c:b1:6e:dd:b3:0c:d9:9e:6a:46:af:da:18:f8:ef:ae:2e:c0:9a:75:2c:9b:b3:0f:3a:5f:3d', 'sha512': 'fd:ed:5e:39:48:5f:9f:fe:7f:25:06:3f:79:08:cd:ee:a5:e7:b3:3d:13:82:87:1f:84:e1:f5:c7:28:77:53:94:86:56:38:69:f0:d9:35:22:01:1e:a6:60:..:0f:9b'} |
| size integer | changed or success | Sample: |
| type | changed or success | Algorithm used to generate the TLS/SSL private key. RSA |
- This module is not guaranteed to have a backwards compatible interface. [preview]
- This module is maintained by the Ansible Community. [community]
Authors¶
- Yanis Guenane (@Spredzy)
- Felix Fontein (@felixfontein)
Hint
If you notice any issues in this documentation, you can edit this document to improve it.
Generate CSR - OpenSSL
Introduction
This article provides step-by-step instructions for generating a Certificate Signing Request (CSR) in OpenSSL. This is most commonly required for web servers such as Apache HTTP Server and NGINX. If this is not the solution you are looking for, please search for your solution in the search bar above.
Switch to a working directory
GNU/Linux & Mac OS X users:
Open a terminal and browse to a folder where you would like to generate your keypair
Windows Users:
Navigate to your OpenSSL 'bin' directory and open a command prompt in the same location.
How To Generate A Private Key Openssl
Generate a CSR & Private Key:
openssl req -out CSR.csr -new -newkey rsa:2048 -keyout privatekey.key
To generate a 4096-bit CSR you can replace the rsa:2048 syntax with rsa:4096 as shown below.
openssl req -out CSR.csr -new -newkey rsa:4096 -keyout privatekey.key
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Note: You will be prompted to enter a password in order to proceed. Keep this password as you will need it to use the Certificate.
Fill out the following fields as prompted:
Note: The following characters can not be accepted: < > ~ ! @ # $ % ^ * / ( ) ?.,&
Generate A Private Key With Openssl
| Field | Example |
|---|---|
| Country Name | US (2 Letter Code) |
| State or Province | New Hampshire (Full State Name) |
| Locality | Portsmouth (Full City name) |
| Organization | GMO GlobalSign Inc (Entity's Legal Name) |
| Organizational Unit | Support (Optional, e.g. a department) |
| Common Name | www.globalsign.com (Domain or Entity name) |
Private Key Bitcoin
You should now have a Private Key (privatekey.key) which should stay on your computer, and a Certificate Signing Request (CSR.csr), which can be submitted to GlobalSign to sign your public key. Each of these files can be viewed in a plain text editor such as Notepad, TextEdit, Vi, Nano, and Notepad++.