Openssl Generate Public Key From P12

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  1. Generate Private Key From P12
  2. Openssl Generate Public Key From P12 To Crt
  3. Openssl Convert Cer To P12
  4. Openssl P12 To Pfx
  • This module allows one to (re)generate OpenSSL public keys from their private keys.
  • Keys are generated in PEM or OpenSSH format.
  • 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. When format is OpenSSH, the cryptography backend has to be used. Please note that the PyOpenSSL backend was deprecated in Ansible 2.9 and will be removed in Ansible 2.13.”

OpenSSL provides read different type of certificate and encoding formats. OpenSSL supports certificate formats like RSA, X509, PCKS12 etc. We will look how to read these certificate formats with OpenSSL. Read RSA Private Key. RSA is popular format use to create asymmetric key. Using OpenSSL, this is what you would do: $ openssl req -out codesigning.csr -key private.key -new Where private.key is the existing private key. As you can see you do not generate this CSR from your certificate (public key). Also you do not generate the 'same' CSR, just a new one to request a new certificate. Openssl req -out CSR.csr -new -newkey rsa:2048 -nodes -keyout privateKey.key will include your public key. This is mandatory as per the PKI process. The CSR, containing your entity information and the public key is sent to any Certificate Authority you like for a request of certificate (hence the CSR name). Jul 02, 2019  Generate self-signed PKCS#12 SSL certificate and export its keys using Java keytool and openssl. ssl-certs.md.

The commands below demonstrate examples of how to create a.pfx/.p12 file in the command line using OpenSSL: PEM (.pem,.crt,.cer) to PFX openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt -certfile more.crt. These instructions assume you have downloaded and installed the Windows binary distribution of OpenSSL. Refer to Using OpenSSL for the general instructions. Generate an RSA private key: C: Openssl bin openssl.exe genrsa -out Key Filename Key Size Where: Key Filename is the desired filename for the private key file. Creating a KeyStore in PKCS12 Format. This section explains how to create a PKCS12 KeyStore to work with JSSE. Generate ssh key ubuntu 4096. In a real working environment, a customer could already have an existing private key and certificate (signed by a known CA).

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 >= 16.0.0
  • Needs cryptography >= 1.4 if format is OpenSSH
ParameterChoices/DefaultsComments
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
    Choices:
  • yes
Create a backup file including a timestamp so you can get the original public key back if you overwrote it with a different one by accident.
force
boolean
    Choices:
  • yes
Should the key be regenerated even it it already exists.
format
string
    Choices:
  • OpenSSH
  • PEM ←
group
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.
path
path / required
Name of the file in which the generated TLS/SSL public key will be written.
privatekey_passphrase
string
The passphrase for the private key.
privatekey_path
path
Path to the TLS/SSL private key from which to generate the public key.
select_crypto_backend
added in 2.9
    Choices:
  • cryptography
  • pyopenssl
Determines which crypto backend to use.
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.
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.
state
string
    Choices:
  • absent
Whether the public key should exist or not, taking action if the state is different from what is stated.
unsafe_writes
boolean
    Choices:
  • yes
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_privatekey – Generate OpenSSL private keys
The official documentation on the openssl_privatekey module.

Generate Private Key From P12

Common return values are documented here, the following are the fields unique to this module:

KeyReturnedDescription
backup_file
string
changed and if backup is yes
Sample:
filenamechanged or success
Path to the generated TLS/SSL public key file.

/etc/ssl/public/ansible.com.pem
fingerprint
dictionary
changed or success
The fingerprint of the public key. Fingerprint will be generated for each hashlib.algorithms available.

Sample:
{'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'}
format
string
changed or success
Sample:
privatekeychanged or success
Path to the TLS/SSL private key the public key was generated from.

/etc/ssl/private/ansible.com.pem

  • 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

Openssl Generate Public Key From P12 To Crt

If you notice any issues in this documentation, you can edit this document to improve it.

Steps to generate self-signed PKCS#12 SSL certificate and export its keys:

1- Create PKCS#12 keystore (.p12 or .pfx file)

  • myKeystore.p12 = keystore filename. It can with .pfx extension as well.
  • MY_PASSWORD = password used for the keystore and the private key as well.
  • CN = commonName, it will be shown as certiciate name in certificates list.
  • OU = organizationUnit, department name for example.
  • O = organizationName, the company name.
  • L = localityName, the city.
  • S = stateName, the state.
  • C = country, the 2-letter code of the country.

Note: This step can be done using openssl but it's more complicated.

2- Create the public certificate (has the header -----BEGIN CERTIFICATE-----):

Using keytool:

Or using openssl:

Note: Import public-certificate.pem into browsers to trust it. Add it to 'Trusted Root Certification Authorities' certificate store.

Openssl Convert Cer To P12

3- Export the private key (has the header -----BEGIN PRIVATE KEY-----):

Openssl P12 To Pfx

4- Export the public key from the private key (has the header -----BEGIN PUBLIC KEY-----):