Putty Unable To Use Key File Old Pem Format?

How do I fix PuTTY key is too new?

Solution – You can generate a new SSH key pair or change the private key format of an existing private key using PuTTygen. Step 1: Change the PuTTygen PPK File Version to version 2. Run the PuTTYgen program. Go to Key > Parameters for saving key files. Change the PuTTygen PPK File Version to version 2. Step 2: Generate a new SSH key pair or change the format of an existing one. After following step one, you can now generate a key using the ppk version 2. You will be able to SSH to the cloud instance. This option is better if you are just creating the cloud instance. Or, if you have already created a cloud instance using the new ppk format (version 3), the best option is to change the format of that key and convert it to the (old) version 2. – Advertisement – Click on Load and search for your ppk key (version 3). Click Save private key, to convert the key to the old ppk format.
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How do I permanently add PPK files in PuTTY?

Open PuTTY and navigate to Connection > SSH > Auth. Click the Browse button near the Private key file for authentication field. Select the. ppk file you generated and then click Open.
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Why PuTTY server refused our key?

What Causes “Server Refused Our Key” ? – There are several causes behind it. SSH server login, for example, necessitates stringent permissions for the critical files used. SSH refuses to authenticate if the user does not have the required privileges to read the SSH keys.

1. The error server refused our key’ may also occur if any of the files in the.
2. Ssh folder can be written by other users.
3. Another common cause of this problem is the usage of the incorrect public key format by the customer.
4. This frequently occurs when users create an SSH key on Windows and copy it to Linux using puttygen.

Because Windows divides the public key into numerous lines, this occurs. This error can also be caused by issues with the SSH configuration file. Users have added SSH keys to their Vultr instances in the past. However, in the SSH configuration file, public key authentication was not enabled.
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What is the difference between PEM and PPK?

Pem and. ppk formats are similar in that both of them store the private key information of asymmetric key pairs. The difference between them, however, is the way the private key is stored in the file.
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Can I overwrite SSH key?

Using SSH & Creating SSH Keys – Blog

Using SSH & Creating SSH Keys

By on March 15, 2019 #### (https://www.codingforentrepreneurs.com/projects/ssh/ssh-ssh-keygen) Using a Secure Shell (`ssh`) will allow your local computer to communicate with a live server. `ssh` will allow you to run commands, install software, setup a server, and do all kinds of interesting things. Let’s setup ssh locally. > Note for Windows Users, it’s recommended that you use PowerShell or (https://www.putty.org/) Mac and Linux often have the ability to do `ssh` by default because they both have a _bash_ shell within the `Terminal` application. #### 1. Generate a ssh key Open the *Terminal* app an run “` ssh-keygen “` > On linux, you may see an error requiring you to install OpenSSL, do all installations it suggests. Assuming you’re new to this, _just hit enter a few times_ after you run the command `ssh-keygen` and you’ll see: “` Generating public/private rsa key pair. Enter file in which to save the key (/Users/cfe/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /Users/cfe/.ssh/id_rsa. Your public key has been saved in /Users/cfe/.ssh/id_rsa.pub. The key fingerprint is: SHA256:2eog3rVG7l+Hg01YcNmJqTzoD4vD7dHPv0BTx1Lbf7E [email protected] The key’s randomart image is: +-+ |,,=,| | o+ ooo| | o, oo+| |,o+o, o+| |,S o.+ Eo| | +o = o,| |,=++o *, | |, o++=o.+ + | |,,==.o.o. | +-+ “` In this case, I didn’t set a passphrase. If you want extra security you can, just run `ssh-keygen` again and overwrite your old key. > Overwriting ssh keys is perfectly fine as long as you know what it means: it’s like changing your password so old `ssh` connections won’t work any more. #### 2. Copy ssh public key (the file ending in `.pub`) Navigate to where ssh keys are stored. “` cd ~/.ssh “` This is where you should always be able to find your keys (if you have them) and `known_hosts` (which we’ll cover shortly). If you run `ls` you should see this: “` $ cd ~/.ssh $ ls id_rsa id_rsa.pub “` `id_rsa.pub` is our public key. This is the one we can add to services that need our `ssh public key`. Open `id_rsa.pub` in your text editor. It should look something like: “` ssh-rsa AAAAB3Nzde3c1yc2EAAAADAQABAAABAQDnBBPCh9S4VvCrHDvUIFEApZYS8U1834p1qr1zDUDKrfrP9RZjIjD1tnobl/SCJZZtXaatGBzZdKK3XRk9yVNQy3ogTe/7aaddsafddM6tfb7Idk6ghEr4JyvBOdL/lSFtpT16+B7ol7LFNECpwerLbhaeE7Olgl/kOmNrweQQNuleCbDk/rQ3f0VZHEgdevHkcBQrhIB12mhOg20XI9iXb1szdE3ewerweEv/CI4rRew3Ndj5R7 [email protected] “` A shortcut to copy the above text is to run: “` cat ~/.ssh/id_rsa.pub | pbcopy “` Now, *add this key* to any service that requires it. Here are a few that come to mind: – Digital Ocean – Github – Bitbucket – Linode – AWS – GCP #### 3. Test an ssh connection. This will definitely require you to have something to `ssh` in to. Let’s say you set up a Ubuntu droplet on Digital Ocean, like what we do in (https://www.codingforentrepreneurs.com/blog/hello-linux/), you can now run: “` ssh @ “` Like “` ssh [email protected] “` If this works, you should have access to your server. Keep in mind that you can also use these keys for doing `git push` to places like `github` so you don’t have to authenticate each time. Did we miss anything? Let us know in the comments. : Using SSH & Creating SSH Keys – Blog
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Do PPK keys expire?

Putty keys, like other SSH keys, don’t expire. Puttygen by default puts the generation date in the comment field, which (if you don’t change it) you can later use to choose whether and when to manually replace or delete the key.
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What is PEM format certificate?

Resolution – Privacy Enhanced Mail (PEM) files are concatenated certificate containers frequently used in certificate installations when multiple certificates that form a complete chain are being imported as a single file. They are a defined standard in RFCs 1421 through 1424,

Private Key Server Certificate (crt, puplic key) (optional) Intermediate CA and/or bundles if signed by a 3rd party

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Why does Bond still use PPK?

James Bond has had his fair, fire-powered share of memorable gun-toting moments. Like Sean Connery skewering a henchman with a Jaguar Speargun in Thunderball, Or Roger Moore shooting a sniper with a Holland & Holland Royal shotgun in Moonraker, Even Daniel Craig made an impression at the end of Casino Royale, casually resting a Heckler & Koch UMP-9 in the crook of his arm. Every time Bond has been rebooted, the PPK has been reloaded — and it remains the only weapon carried by all six official screen bonds, not to mention Ian Fleming’s original literary character. So why did the author choose the Walther PPK — and where did the gun come from?
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Does PuTTY use PPK or PEM?

Convert your private key using PuTTYgen – PuTTY does not natively support the PEM format for SSH keys. PuTTY provides a tool named PuTTYgen, which converts PEM keys to the required PPK format for PuTTY. You must convert your private key (.pem file) into this format (.ppk file) as follows in order to connect to your instance using PuTTY. To convert your private,pem key to,ppk

1. From the Start menu, choose All Programs, PuTTY, PuTTYgen,
2. Under Type of key to generate, choose RSA, If your version of PuTTYgen does not include this option, choose SSH-2 RSA,
3. Choose Load, By default, PuTTYgen displays only files with the extension,ppk, To locate your,pem file, choose the option to display files of all types.
4. Select your,pem file for the key pair that you specified when you launched your instance and choose Open, PuTTYgen displays a notice that the,pem file was successfully imported. Choose OK,
5. To save the key in the format that PuTTY can use, choose Save private key, PuTTYgen displays a warning about saving the key without a passphrase. Choose Yes, A passphrase on a private key is an extra layer of protection. Even if your private key is discovered, it can’t be used without the passphrase. The downside to using a passphrase is that it makes automation harder because human intervention is needed to log on to an instance, or to copy files to an instance.
6. Specify the same name for the key that you used for the key pair (for example, key-pair-name ) and choose Save, PuTTY automatically adds the,ppk file extension.

Your private key is now in the correct format for use with PuTTY. You can now connect to your instance using PuTTY’s SSH client.
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How do I SSH into a PEM file?

Transfer files to Linux instances using an SCP client – One way to transfer files between your local computer and a Linux instance is to use the secure copy protocol (SCP). This section describes how to transfer files with SCP. The procedure is similar to the procedure for connecting to an instance with SSH. Prerequisites

• Verify the general prerequisites for transferring files to your instance. The general prerequisites for transferring files to an instance are the same as the general prerequisites for connecting to an instance. For more information, see General prerequisites for connecting to your instance,
• Install an SCP client Most Linux, Unix, and Apple computers include an SCP client by default. If yours doesn’t, the OpenSSH project provides a free implementation of the full suite of SSH tools, including an SCP client. For more information, see https://www.openssh.com,

The following procedure steps you through using SCP to transfer a file using the instance’s public DNS name, or the IPv6 address if your instance has one. To use SCP to transfer files between your computer and your instance

1. Determine the location of the source file on your computer and the destination path on the instance. In the following examples, the name of the private key file is key-pair-name.pem, the file to transfer is my-file.txt, the user name for the instance is ec2-user, the public DNS name of the instance is instance-public-dns-name, and the IPv6 address of the instance is instance-IPv6-address,
   • (Public DNS) To transfer a file to the destination on the instance, enter the following command from your computer. scp -i /path/key-pair-name,pem /path/my-file.txt ec2-user @ instance-public-dns-name : path/
   • (IPv6) To transfer a file to the destination on the instance if the instance has an IPv6 address, enter the following command from your computer. The IPv6 address must be enclosed in square brackets ( ), which must be escaped ( \ ). scp -i /path/key-pair-name,pem /path/my-file.txt ec2-user @\: path/
2. If you haven’t already connected to the instance using SSH, you see a response like the following: The authenticity of host ‘ec2-198-51-100-1.compute-1.amazonaws.com (10.254.142.33)’ can’t be established. RSA key fingerprint is 1f:51:ae:28:bf:89:e9:d8:1f:25:5d:37:2d:7d:b8:ca:9f:f5:f1:6f. Are you sure you want to continue connecting (yes/no)? (Optional) You can optionally verify that the fingerprint in the security alert matches the instance fingerprint. For more information, see (Optional) Get the instance fingerprint, Enter yes,
3. If the transfer is successful, the response is similar to the following: Warning: Permanently added ‘ec2-198-51-100-1.compute-1.amazonaws.com’ (RSA) to the list of known hosts. my-file.txt 100% 480 24.4KB/s 00:00
4. To transfer a file in the other direction (from your Amazon EC2 instance to your computer), reverse the order of the host parameters. For example, you can transfer my-file.txt from your EC2 instance to the a destination on your local computer as my-file2.txt, as shown in the following examples.
   • (Public DNS) To transfer a file to a destination on your computer, enter the following command from your computer. scp -i /path/key-pair-name,pem ec2-user @ instance-public-dns-name : path/my-file.txt path/my-file2.txt
   • (IPv6) To transfer a file to a destination on your computer if the instance has an IPv6 address, enter the following command from your computer. The IPv6 address must be enclosed in square brackets ( ), which must be escaped ( \ ). scp -i /path/key-pair-name,pem ec2-user @\: path/my-file.txt path/my-file2.txt

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Is a PEM file a key file?

Privacy Enhanced Mail (PEM) files are a type of Public Key Infrastructure (PKI) file used for keys and certificates. PEM, initially invented to make e-mail secure, is now an Internet security standard. HPE Service Manager uses OpenSSL libraries to encrypt and decrypt SOAP messages over HTTP and requires certificates and keys in PEM format. The typical PEM files are:

key.pem contains the private encryption key cert.pem contains certificate information

Because it is a standard, any PKI implementation can use,pem files as a repository for keys or certificates. OpenSSL supports a variety of standard formats in addition to,pem, including Distinguished Encoding Rules (DER) and X.509. OpenSSL has several utility functions that can convert these formats.
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Is PEM same as key?

Difference between pem, crt, key files Those file names represent different parts of the key generation and verification process. Please note that the names are just convention, you could just as easily call the files pepperoni.pizza and the content will be the same, so do be conscious of how you use the filenames.

• A brief primer on PKI – Keys come in two halves, a public key and a private key.
• The public key can be distributed publicly and widely, and you can use it to verify, but not replicate, information generated using the private key.
• The private key must be kept secret.
• Key files are generally the private key, used by the server to encrypt and package data for verification by clients.

,pem files are generally the public key, used by the client to verify and decrypt data sent by servers. PEM files could also be encoded private keys, so check the content if you’re not sure.,p12 files have both halves of the key embedded, so that administrators can easily manage halves of keys.

.cert or,crt files are the signed certificates – basically the “magic” that allows certain sites to be marked as trustworthy by a third party.,csr is a certificate signing request, a challenge used by a trusted third party to verify the ownership of a keypair without having direct access to the private key (this is what allows end users, who have no direct knowledge of your website, confident that the certificate is valid).

In the self-signed scenario you will use the certificate signing request with your own private key to verify your private key (thus self-signed). Depending on your spefic application, this might not be needed. (needed for web servers or RPC servers, but not much else).

• A JKS keystore is a native file format for Java to store and manage some or all of the components above, and keep a database of related capabilities that are allowed or rejected for each key.
• The commands you list look fine to me, and I don’t see a question beyond asking what the different files are for.

If you need more information, please enrich your question. : Difference between pem, crt, key files
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How do I import a,PEM file?

Select Tools > Options > Advanced. Select Certificates, then click the View Certificates button. The Authorities tab is displayed in Certificate Manager. Click Import and select the cacert.
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Can we get private key from PEM file?

PEM is a base-64 encoding mechanism of a DER certificate. PEM can also encode other kinds of data, such as public/private keys and certificate requests.
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How do I import key pairs?

Examples ¶ – Note To use the following examples, you must have the AWS CLI installed and configured. See the Getting started guide in the AWS CLI User Guide for more information. Unless otherwise stated, all examples have unix-like quotation rules. These examples will need to be adapted to your terminal’s quoting rules.

1. See Using quotation marks with strings in the AWS CLI User Guide,
2. To import a public key First, generate a key pair with the tool of your choice.
3. For example, use this ssh-keygen command: Command: ssh – keygen – t rsa – C “my-key” – f ~/.
4. Ssh / my – key Output: Generating public / private rsa key pair,

Enter passphrase ( empty for no passphrase ): Enter same passphrase again : Your identification has been saved in / home / ec2 – user /. ssh / my – key, Your public key has been saved in / home / ec2 – user /. ssh / my – key, pub, This example command imports the specified public key.
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How do I import my RSA key?

Deleting an RSA Key Container – To delete an RSA key container, you can use the Aspnet_regiis.exe tool with the –pz switch. Before you delete an RSA key container, ensure that you have either exported the key to an XML file so that it can be imported later, or that there is no information encrypted with the RSA key container that will ever need to be decrypted.

• When deleting an RSA key container, you must specify the name of the key container and identify the container as machine-level or user-level.
• To delete a user-level key container, you must be logged on as the user in whose Windows profile the key is stored.
• For example, the following command deletes the machine-level RSA key container named SampleKeys.

aspnet_regiis -pz “SampleKeys”
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