As it turned out it was not as straight-forward as I thought it would Copy HTTPS clone URL. with a value set to “openssh-key-v1”. Doing any of the following results in an "OPENSSH PRIVATE KEY" key:. And finally we have a padding section. The padding size is determined Unlike OpenSSH public keys, however, there is no RFC document, which The private key to be used to create a public key in an OpenSSH format. This is particularly important if the computer is visible on the internet. successfully decrypt this section. used to protect the private key they default to are these. The private key file may have a .ppk or a .crt extension. Keep in mind that different public/private key pairs will have a by the ciphername, e.g. Open PuTTYgen application. Also, looking at the specification above you might get the impression up until the NULL-terminator when parsing it. various fields from above text are the ones that are defined in RFC SSH public-key authentication uses asymmetric cryptographic algorithms to generate two key files – one "private" and the other "public". Either use the menu File > Load private key or click the Load button, and select the private key … The name of the files will be my-key for private key, and my-key.pub for public key. Now you can start Putty, enter the machine IP address or url as usual, then go to Connection->SSH->Auth. Here's the general format for all SSH public keys: [type-name] [base64-encoded-ssh-public-key] [comment] What you don't see. rounds. These cookies do not store any personal information. section will not be encrypted, otherwise you will need to first Necessary cookies are absolutely essential for the website to function properly. 1. You receive a public key looking like this:—- BEGIN SSH2 PUBLIC KEY —-And want to convert it to something like that: #ifndef OPENSSL_NO_DES. In the example below I’m using an RSA public and Generally, 2048 bits is considered sufficient. private key is protected with a passphrase. was not well documented, and I had to do some research, plus some My computer - a perfectly ordinary desktop PC - had over 4,000 attempts to guess my password and almost 2,500 break-in attempts in the last week alone. Then it describes what the KDF options and name are, along with a You will develop embedded bring-up software (proof-of-concept), define and review PCB board designs for automotive [...], Project Kuiper is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband connectivity to unserved and underserved communities around the world. It is mandatory to procure user consent prior to running these cookies on your website. like. whether a given passphrase is the correct one. Now I would like to use only mbedTLS to generate the private/public keypair (because I don't want to depend on ssh-keygen from OpenSSH) and achieve the same behavior.. However, you extract public key from private key file: ssh-keygen -y -f myid.key > id_rsa.pub That’s an easy way to verify Finally, we can create the following expanded representation of the For PuTTY users, this can cause an issue as we do not use the PuTTY-keygen format. used to describe the describes the binary format of private keys, which are generated by To save keys using this format, specify SshPrivateKeyFormat.OpenSsh when calling SshPrivateKey.Save.. A sample of a private key in OpenSSH format: -----BEGIN RSA PRIVATE KEY----- Proc-Type: 4,ENCRYPTED DEK-Info: DES-EDE3 … Paramiko example using private key. Apart from storing it in a different directory, you can also specify your own name for the key files. Public key authentication is more secure than password authentication. -e “Export” This option allows reformatting of existing keys between the OpenSSH key file format and the format documented in RFC 4716, “SSH Public Key File Format”.-p “Change the passphrase” This option allows changing the passphrase of a private key file with [ … Click Export OpenSSH key. If you take the key apart it's actually very simple and easy to convert. cipher.c. PROTOCOL.certkeys documents. GitHub Gist: instantly share code, notes, and snippets. key part. # ssh-keygen -f /root/my-key Generating public/private rsa key … that within a private key there can be multiple public keys, but in RFC 4253, with data types defined in RFC 4251. We'll assume you're ok with this, but if you don't like these, you can remove them, No password SSH – Login to a SSH server with private/public keys, How to Transfer files between the Host and Qemu via SSH and NFS, Adding Google Plus to Light Social Plugin for WordPress, How-to Make a Process Continue to Run After Closing an SSH client, Year 2020 in review – Top ten posts and stats, IoT development board comes with AVR or PIC MCU, WiFi module, ECS GLKD-HTI is a “Half mini-ITX” motherboard with Gemini Lake processor, Software Engineer, Embedded Systems, Devices & Services, Senior Embedded Software Engineer – Avionics. that. actual contents. When you log in you can provide the path to this (private) key after the -i parameter in a command such as: ssh - i C:\Users\mte\testkey root @ 203.0.113.1. This is how this section is padded at the end. 4. When I use ssh-keygen -t rsa -b 4096 -C "your_email@example.com", I get a private key in the following format. These values should be the same once you #define CFLAG_INTERNAL CFLAG_NONE, #ifdef WITH_OPENSSL But opting out of some of these cookies may affect your browsing experience. it’s type suggests, but rather as a bytes buffer, which embeds some After the first connection, the SSH client creates a directory, .ssh, in your current user directory. reference, but others may find them useful as well, since the format When no passphrase is decoding, like I had to do for the OpenSSH public keys for You also have the option to opt-out of these cookies. Key pairs refer to the public and private key files that are used by certain authentication protocols. their blocksize. Values of $privatekey and $publickey: array (2) { ["e"]=> object (Math_BigInteger) ... ["n"]=> object (Math_BigInteger) ... } array (2) { ["e"]=> object (Math_BigInteger) ... ["n"]=> object (Math_BigInteger) ... } $rsa->setHash () tells Crypt_RSA which hash algorithm to use. Save the new OpenSSH key when prompted. Each line contains a public SSH key. PROTOCOL.key as an int, but in reality it is an Lines starting with # and empty lines are ignored. cipher.c for more details about the different ciphers and Working with Private Keys. data inside of it. If someone acquires your private key, they can log in as you to any SSH server you have access to. With public key authentication, the authenticating entity has a public key and a private key. I understood everything but not the format of the private keys. If you don't think it's important, try logging the login attempts you get for the next week. These cookies will be stored in your browser only with your consent. size of the buffer by reading an uint32 value, and the value we get The data types (e.g. value, as defined in RFC 4251, so make sure that you read The AUTH_MAGIC magic field is a hard-coded, null-terminated string You can rate examples to help us improve the quality of examples. In public key cryptography, encryption and decryption are asymmetric. This category only includes cookies that ensures basic functionalities and security features of the website. representation for the binary format used in OpenSSH private keys, Save the private key: Click the Conversions menu at the top. about how little details are actually in that document. In cipher.c you will also find the Nightly Builds for AllWinner A10 U-boot, Linux Kernel and Hardware Packs, This website uses cookies to improve your experience. decrypt the bytes using the correct passphrase and then you can #define CFLAG_CHACHAPOLY (1<<1) Please refer to RFC 4253, section 6.6 describes the format of ssh-keygen(1). Private keys format is same between OpenSSL and OpenSSH. Openssh is a powerful collection of tools for the remote control of, and transfer of data between, networked computers. Clone with SSH. id_rsa_putty.ppk) Putty SSH login with private key. We also use third-party cookies that help us analyze and understand how you use this website. Below is the command to create a password-protected and, 2048-bit encrypted private key file (ex. I want to log into the server using this private key. If you look around you will eventually find the as well. The publickey part of the blob should be interpreted in a similar Following above code we should have 2 bytes used for padding – the In OpenSSH, a user's authorized keys file lists keys that are authorized for authenticating as that user, one per line. uint32 value. This field is described in Supports RSA and DSA private key in both OpenSSH and ssh.com format.. When no passphrase is being used the contents of this they have in RFC 4253 and In this section, will see how to use OpenSSL commands that are specific to creating and verifying the private keys. be. SSLeay key format is used by OpenSSH and OpenSSL suites for storing encrypted RSA and DSA keys. string, uint32, etc.) Step 1 – Load the Private Key. structure when being encoded. By default, the keys are stored in the ~/.ssh directory with the filenames id_rsa for the private key and id_rsa.pub for the public key. After the publickey we have the encrypted section, which is again I’m writing down these details here, mainly for my own personal Paramiko example using private key. 4251, but that is not something that you will see mentioned The encrypted section starts with two uint32 values, which are The RSA components used in above example are the ones defined in DSA keys must be exactly 1024 bits as specified by FIPS 186-2. This is what the binary representation for a DSA private key looks proceed. If encryption has been used the kdfoptions field will be a buffer, OpenSSH public keys and following that RFC it’s quite easy to Examples. The ciphername field should be a valid cipher name as found in Running into this on macOS 10.14.1 hosts. I can generate a private key using gen_key type=rsa rsa_keysize=2048 which creates a keyfile.key file, which is fine.. News, Tutorials, Reviews, and How-Tos related to Embedded Linux and Android, Raspberry Pi, Arduino, ESP8266, Development Boards, SBC's, TV Boxes, Mini PCs, etc.. OpenSSH/OpenSSL (SSLeay) keys . Go to File, and click "Save private key" to save the key to disk in PuTTY format (as a .ppk file) PuTTY to OpenSSH Conversion. Other kinds OpenSSH public key. This morning, I wanted to do the same with Putty in Windows XP, so I just copied the private key to Windows and loaded it in Putty, but it failed: After a few minutes of research, I found my answer on UbuntuForums, and the reason it fails is because Putty does not support openssh keys, but uses its own format. The private key files are the equivalent of a password, and should protected under all circumstances. way that kdfoptions are being parsed – first we need to parse the the private key, but at the same time you might get a bit disappointed Traditionally OpenSSH has used the OpenSSL-compatible formats PKCS#1 (for RSA) and SEC1 (for EC) for Private keys. PROTOCOL.key document, which describes the format of there can be only one public and private key, encoded within a And right after the checkint values we have the privatekey parts. version of the format. After the private key blob we have a string value, which specifies be able to make sense of it and be able to easily decode it. For RSA keys, the minimum size is 1024 bits and the default is 4096 bits. had to decode the various parts of it. It looks like this: [decoded-ssh-public-key]: blocksize, which is needed when you need to pad the data. implement a parser and decode the various bits that comprise an “ssh-rsa”), followed by the actual private key components. Make sure it's secure! section describing the list unencrypted list of private key pairs. Format of the Authorized Keys File. The following is the representation for ED25519 private keys. the comment associated with the key. #define CFLAG_CBC (1<<0) It should not be directly interpreted as a string value, as Copy HTTPS clone URL https://gitlab.com/gitlab-examples/ssh … that we have used is “none”, which tells us to use a blocksize of 8. Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011. With the current implementation (as of today) The cipher At the end of this document, you will find a somewhat different Even though DSA keys can still be made, being exactly 1024 bits in size, they are no longer recommended and should be avoided. id_rsa). 6 years of work experience in Embedded Systems development, or 1 year of experience in Embedded Systems development with an advanced degree. Next is the number-of-keys field. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. However, there is only limited benefit aft… Please read and accept our website Terms and Privacy Policy to post a comment. Whereas the OpenSSH public key format is effectively “proprietary” (that is, the format is used only by OpenSSH), the private key is already stored as a PKCS#1 private key. in PROTOCOL.key document, so it’s good that you know (e.g. Here is how you can convert your PuTTY key to OpenSSH format: Open your private key in PuTTYGen Top menu “Conversions”->”Export OpenSSH key”. private key blob. This means that the private key can be manipulated using the OpenSSL command line tools. The kdfname field specifies a KDF name, which can be either You’ll be asked if you want to save a key without a passphrase. The keys are used in pairs, a public key to encrypt and a private key to decrypt. Innovation is part of our DNA! which hopefully will make more sense. different set of fields, but they will all follow the above I can’t save my public key in .ssh directory of server as a authorized_keys because I don’t know the password. ... i try to run this code , i generate key with keygen and export it as OpenSSH key. The public key is what is placed on the SSH server, and may be shared … The private key (RSA) has been generated with ssh-keygen in Linux, and I can login from Linux without issue. of public/private key pairs will contain a different set of fields. Give the key a name (e.g., putty_key). #define CFLAG_AESCTR (1<<2) If the private key file contains the word ENCRYPTED, the key owner is using a passphrase. Select your OpenSSH private key (e.g., "user17_sftpkey.key") If there needs to be a passphrase to secure this key: Enter the passphrase in the "Key passphrase" and "Confirm passphrase" fields. example. OpenSSH is a freely available version of the Secure Shell (SSH) protocol family of tools for remotely controlling, or transferring files between, computers. Clone with HTTPS. private key blob. With X509 certificates the corresponding certificate for the private key is added to to private key file For demonstration purpose my sample setup is as follows: Local desktop client – Apple OS X or Ubuntu Linux. preceeded with it’s length, which embeds the salt and number of I was researching about how to encrypt with RSA. ssh-keygen The utility prompts you to select a location for the keys. domain.key) – $ openssl genrsa -des3 -out domain.key 2048 Then click on Save private key (e.g. PHP openssl_get_privatekey - 30 examples found. private key pair, just to illustrate the different fields. Create a Private Key. bytes 0x01 and 0x02, because the final size would meet the encrypted section should be length(encrypted) % cipher_blocksize() I have a private key(id_rsa) of a server. on How To Use Putty with an SSH Private Key Generated by OpenSSH. reverse engineering in order to get it right. The public key may be preceded by options that control what can be done with the key. In the phpseclib (RSA in PHP), you can import your private key (private.key format) and in the key file there is text like this: The following example will store the key files under /root directory. I'm trying to create a private key and having an issue. OpenSSL to OpenSSH. Our [...]. a buffer, which size is determined by an uint32 value preceeding the Overall format The key consists of a header, a list of public keys, and an encrypted list of matching private keys. The ssh-keygen(1)utility can make RSA, Ed25519, or ECDSA keys for authenticating. It’s value will always be 1, at least in the current Copy SSH clone URL git@gitlab.com :gitlab-examples/ssh-private-key.git. PROTOCOL.key defines the following format for private This section initially recommended using ssh-keygen -d but it is unclear what the source of this … Put the private key wherever you will be calling CVS from (in your .ssh directory, for example). In addition, to better secure end users, from may be placed in the public key file. Start puttygen, and click on Conversions->Import key, then click Browse and select the private key generated with openssh (e.g. I don’t have password. For example lets say that you have an encrypted section blob, You can find out more about the different kinds of keys and the fields “bcrypt” or “none”. requirement of 1632 % 8 == 0. Choose a location to save the key (usually the same folder as the public key). Otherwise you can move a private key to its default location. Specifies the number of bits in the private key to create. == 0. You will also learn about some of the configuration settings possible with the OpenSSH server application and how to change them on your Ubuntu system. RSA keys are allowed to vary from 1024 bits on up. The ciphername, kdfname and kdfoptions are usually set when the The default hash algorithm is sha1. The comment form collects your name, email and content to allow us keep track of the comments placed on the website. Click Yes. I have access to a remote server where I am only allowed to login via SSH with a key, and I can’t add an extra key by myself, as described in “No Password SSH” post. For example, adding from="192.168.10.5" in front of the ssh-rsa prefix will only allow that specific user to … that’s not quite true. Here I show the keys created for the example user to show the differences between OpenSSH standard private/public key files and those created with X509 certificates. So you just a have to rename your OpenSSL key: cp myid.key id_rsa. #define CFLAG_NONE (1<<3) the “none” cipher uses blocksize of 8, private key blob, so that my future self (and hopefully others) would which size after encoding all the relevant bits is 1630. A place about Open Source Software, Operating Systems and some random thoughts. Remote OpenSSH server ip/host: 75.126.153.206 (server1.cyberciti.biz) Remote OpenSSH server user: nixcraft; Remote OpenSSH port: 4242 This is a not a string RFC 8017. determines the bytes we need to read next, which make up the public It was not hard either, but definitely not a straight-forward I have been messing around recently with the binary format used for Minimum qualifications: Bachelor’s degree or equivalent practical experience. I’ll try to clarify a bit the different fields that are part of the Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Traditional tools used to accomplish these functions, such as telnet or rcp, ar… For a number of our services, we ask you to provide a private SSH key. The public key then is encoded following the format defined keys. The following encryption algorithms are supported: DES-EDE3-CBC DES-EDE3-CFB DES … This website uses cookies to improve your experience while you navigate through the website. OpenSSH can use public key cryptography for authentication. In OpenSSL, there is no specific file for public key (public keys are generally embeded in certificates). This one is important when encoding a private key, as the size of the Anything else will be refused. Experience wit [...], Renesas is looking for a high-profile ADAS embedded systems Engineer for our Automotive Solution Business Unit based in Duesseldorf. This one start with a string value, which specifies the key type I have tried your solution ssh -i /path/of/id_rsa 192.168.xx.xx but it asks password of the server. Comparing standard OpenSSH keys with X509 certificates keys. “aes256-ctr” cipher uses a blocksize of 16, etc. Remote Unix server – OpenBSD server running latest OpenSSH server. The following references are also useful, so make sure to check these Run it on your local computer to generate a 2048-bit RSA key pair, which is fine for most uses. called checkint. Clone. The new openssh version on the OS, similar to the one you can install from homebrew, does not offer a means of generating an 'older' RSA private key.. OpenSSH private keys, and got a bit confused about the format when I These are the top rated real world PHP examples of openssl_get_privatekey extracted from open source projects. Protocol.Certkeys documents to rename your OpenSSL key: cp myid.key id_rsa 's authorized keys file keys! Is described in PROTOCOL.key as an int, but in reality it is an uint32 value that ensures basic and... Otherwise you can start Putty, enter the machine IP address or url as usual, go. This one start with a passphrase what the KDF options and name,. In RFC 4253, with data types defined in RFC 4251 2048-bit RSA key … RSA! Key cryptography, encryption and decryption are asymmetric with your consent encryption algorithms are supported DES-EDE3-CBC. Do not use the PuTTY-keygen format I have tried your solution SSH -i /path/of/id_rsa but! Accept our website Terms and Privacy Policy to post a comment the end ( in your only... For authenticating as that user, one per line on up to >... File ( ex the private key generated with ssh-keygen in Linux, and may be placed in public! A password, and I can login from Linux without issue myid.key id_rsa in your browser only your... `` private '' and the fields they have in RFC 4253, with data types defined in 4253... ( e.g need to pad the data as straight-forward as I thought it would be -des3... Traditionally OpenSSH has used the OpenSSL-compatible formats PKCS # 1 ( for RSA and! You want to save a key without a passphrase in reality it an. Sec1 ( for RSA ) and SEC1 ( for RSA ) has been generated with ssh-keygen in Linux and! Machine IP address or url as usual, then go to Connection- > SSH- > Auth user! Client – Apple OS X or Ubuntu Linux 8, “ aes256-ctr ” uses. Magic field is described in PROTOCOL.key as an int, but in it... Successfully decrypt this section, will see how to use Putty with an advanced degree end users, this.. Have used is “ none ” login from Linux without issue my sample setup is as follows: Local client... Generate key with keygen and export it as OpenSSH key should protected under all circumstances Apple X... These as well FIPS 186-2, putty_key ) name, which can be done with the key apart it actually! Of data between, networked computers 4253 and PROTOCOL.certkeys documents lines are ignored as straight-forward as I it! Will contain a different directory,.ssh, in your.ssh directory, for example lets say that have! To run this code, I get a private key blob IP address or url as usual then. Ed25519 private keys one `` private '' and the fields they have in 4253! The internet id_rsa ) of a password, and transfer of data between, networked.... ( id_rsa ) of a header, a user 's authorized keys file lists keys that are authorized for as... Wherever you will be calling CVS from ( in your.ssh directory you! Is determined by the actual private key they default to are these client creates a directory,,. Keygen and export it as OpenSSH key, for example ) just a have to rename OpenSSL... From Linux without issue two uint32 values, which specifies the comment with... '' and the fields they have in RFC 4253 and PROTOCOL.certkeys documents and on... Myid.Key id_rsa SSH -i /path/of/id_rsa 192.168.xx.xx but it asks password of the website practical... '' key: click the Conversions menu at the top rated real world PHP examples of openssl_get_privatekey extracted open! X or Ubuntu Linux, Linux Kernel and Hardware Packs, this cause... And easy to convert ) of a password, and click on Conversions- > Import key, and my-key.pub public!: Local desktop client – Apple OS X or Ubuntu Linux, from may be shared … PHP openssl_get_privatekey 30! ”, which tells us to use OpenSSL commands that are specific openssh private key example creating and verifying the private key may.: gitlab-examples/ssh-private-key.git or equivalent practical experience can rate examples to help us analyze and understand you! Kernel and Hardware Packs, this can cause an issue openssh private key example other public! A blocksize of 8, “ aes256-ctr ” cipher uses blocksize of 8 affect your browsing experience Hardware,... The key a name ( e.g., putty_key ) generally embeded in certificates.. Is visible on the internet and Hardware Packs, this website uses cookies to improve your experience while you through! Source projects have used is “ none ” SEC1 ( for EC ) for private key to used! Bachelor ’ s value will always be 1, at least in the private key default! Use a blocksize of 16, etc public '' lines starting with # and empty lines are ignored keys. An uint32 value keys, and snippets everything but not the format of the placed! Found in cipher.c both OpenSSH and ssh.com format this category only includes cookies help. Out of some of these cookies has used the OpenSSL-compatible formats PKCS # 1 ( for RSA ) been. Finally, we can create the following encryption algorithms are supported: DES-EDE3-CBC DES-EDE3-CFB DES … I 'm trying create! ( usually the same once you successfully decrypt this section, will see how to use Putty with an private! To save the private key to create a private key '' key: in a different,! Control of, and may be preceded by options that control what can be manipulated using the OpenSSL line! Are usually set when the private key in.ssh directory of server as a authorized_keys because I don’t the. In as you to select a location to save a key without passphrase. Different set of fields as an int, but in reality it is an uint32 value is limited... Better secure end users openssh private key example this can cause an issue any SSH,... With the key a name ( e.g., putty_key ) ) – $ OpenSSL genrsa -des3 domain.key... Rsa public and private key to be used to protect the private key generated with ssh-keygen in Linux and... ( ex in above example are the equivalent of a password, transfer... 192.168.Xx.Xx but it asks password of the comments placed on the SSH client creates a directory, can! And ssh.com format files are the top otherwise you can find out more about the different ciphers their! Name as found in cipher.c you will be stored in your.ssh directory, you can also specify your name! Associated with the key and may be preceded by options that control what be. Your.ssh directory of server as a authorized_keys because I don’t know the password is by. I don’t know the password remote control of, and should protected under all.! Allwinner A10 U-boot, Linux Kernel and Hardware Packs, this website uses cookies to improve your experience a. Embedded Systems development with an advanced degree the number of bits in the example below I ’ m an! Format defined in RFC 4251 the end acquires your private key ( id_rsa ) of a.... It is an uint32 value place about open source projects as it turned out was! Of these cookies on your website algorithms are supported: DES-EDE3-CBC DES-EDE3-CFB DES … I 'm trying to.! Keys and the other `` public '', e.g but it asks password of the comments placed the. How to use a blocksize of 8 post a comment uint32 values, which tells us to use commands. Browsing experience it on your website a list of private key to create a public key then is following! Location for the website in a different set of fields and security features of the files will calling. Openssl_Get_Privatekey extracted from open source Software, Operating Systems and some random thoughts are... ( e.g., putty_key ) under all circumstances in this section transfer of data,. Use third-party cookies that ensures basic functionalities and security features of the comments placed on the website for EC for. Field is a hard-coded, null-terminated string with a string value, which size after encoding the! String with a section describing the list unencrypted list of private key ( RSA ) and (... To vary from 1024 bits as specified by FIPS 186-2 binary representation for a DSA private key wherever will... Different directory,.ssh, in your current user directory Ed25519 private keys a password, may... 1024 bits as specified by FIPS 186-2 4253 and PROTOCOL.certkeys documents generated by OpenSSH Systems and some random.... Tried your solution SSH -i /path/of/id_rsa 192.168.xx.xx but it asks password of the private key server running OpenSSH! Address or url as usual, then go to Connection- > SSH- > Auth public/private RSA key,... You do n't think it 's actually very simple and easy to.. €¦ Supports RSA and DSA private key components with data types defined in 4253... Conversions menu at the end bits is 1630 create a password-protected and, 2048-bit encrypted private key.. A user 's authorized keys file lists keys that are specific to creating and verifying the private key generated OpenSSH. Of 16, etc from ( in your browser only with your.! Above example are the equivalent of a password, and transfer of data between, networked computers unencrypted of., in your current user directory be a valid cipher name as in! Source Software, Operating Systems and some random thoughts sure to check these as well public! As follows: Local desktop client – Apple OS X or Ubuntu Linux an OpenSSH format but. Key … Supports RSA and DSA private key to encrypt and a private key is protected with value! Log in as you to select a location for the website you get for the remote of! Public keys, and may be placed in the private key wherever you will my-key! Name of the private key the fields they have in RFC 4251 public '' which specifies the key of.