Generate Private Key Dsa Golang
Apr 03, 2015 Dismiss Join GitHub today. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. I'm trying to generate a keypair to be used for SSH in Go. I seem to be creating a private key just fine, although I can't figure out how to generate a public key in the correct format. This is tool for generate ssh DSA key online and for free.The result of tool generation are ssh dsa private key and ssh dsa public key. Also it's called as 'generate ssh pair'. It will be two text area fileds - the first private key, the second public key. Whats is 'ssh dsa key' and why it is in use?
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How to Generate a Public/Private KeyPair for Use With Solaris Secure Shell
Users must generate a public/private key pair when their site implementshost-based authentication or user public-key authentication. For additionaloptions, see the ssh-keygen(1) manpage.
Apr 03, 2015 Dismiss Join GitHub today. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.
Before You Begin
Determine from your system administrator if host-based authenticationis configured.
Start the key generation program.
where -t is the type of algorithm, one of rsa, dsa, or rsa1.
Specify the path to the file that will hold the key.
Bydefault, the file name id_rsa, which represents an RSAv2 key, appears in parentheses. You can select this file by pressing the Return key. Or, you can type an alternative file name.
The file name of the public key is created automatically by appendingthe string .pub to the name of the private key file.
Type a passphrase for using your key.
This passphraseis used for encrypting your private key. A null entry is stronglydiscouraged. Note that the passphrase is not displayed when youtype it in.
Retype the passphrase to confirm it.
Check the results.
Check that the path to the keyfile is correct.
At this point, you have created a public/private key pair.
Choose the appropriate option:
If your administrator has configuredhost-based authentication, you might need to copy the local host's publickey to the remote host.
You can now log in to the remote host.For details, see How to Log In to a Remote Host With Solaris Secure Shell.
Type the command on one line with no backslash.
When you are prompted, supply your login password.
If your site uses user authentication with public keys, populateyour authorized_keys file on the remote host.
Copy your public key to the remote host.
Type thecommand on one line with no backslash.
When you are prompted, supply your login password.
Whenthe file is copied, the message “Key copied” is displayed.
(Optional) Reduce the prompting for passphrases.
For a procedure, see How to Reduce Password Prompts in Solaris Secure Shell. For more information, see the ssh-agent(1) and ssh-add(1) man pages.
Example 19–2 Establishing a v1 RSA Key for a User
In the following example, the user cancontact hosts that run v1 of the Solaris Secure Shell protocol. To be authenticated by v1hosts, the user creates a v1 key, then copies the public key portion to theremote host.
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Generate Private Key Dsa Golang Download
| package main |
| import ( |
| 'crypto' |
| 'crypto/rand' |
| 'crypto/rsa' |
| 'crypto/sha256' |
| 'fmt' |
| 'os' |
| ) |
| funcmain() { |
| // Generate RSA Keys |
| miryanPrivateKey, err:=rsa.GenerateKey(rand.Reader, 2048) |
| iferr!=nil { |
| fmt.Println(err.Error) |
| os.Exit(1) |
| } |
| miryanPublicKey:=&miryanPrivateKey.PublicKey |
| raulPrivateKey, err:=rsa.GenerateKey(rand.Reader, 2048) |
| iferr!=nil { |
| fmt.Println(err.Error) |
| os.Exit(1) |
| } |
| raulPublicKey:=&raulPrivateKey.PublicKey |
| fmt.Println('Private Key : ', miryanPrivateKey) |
| fmt.Println('Public key ', miryanPublicKey) |
| fmt.Println('Private Key : ', raulPrivateKey) |
| fmt.Println('Public key ', raulPublicKey) |
| //Encrypt Miryan Message |
| message:= []byte('the code must be like a piece of music') |
| label:= []byte(') |
| hash:=sha256.New() |
| ciphertext, err:=rsa.EncryptOAEP(hash, rand.Reader, raulPublicKey, message, label) |
| iferr!=nil { |
| fmt.Println(err) |
| os.Exit(1) |
| } |
| fmt.Printf('OAEP encrypted [%s] to n[%x]n', string(message), ciphertext) |
| fmt.Println() |
| // Message - Signature |
| varopts rsa.PSSOptions |
| opts.SaltLength=rsa.PSSSaltLengthAuto// for simple example |
| PSSmessage:=message |
| newhash:=crypto.SHA256 |
| pssh:=newhash.New() |
| pssh.Write(PSSmessage) |
| hashed:=pssh.Sum(nil) |
| signature, err:=rsa.SignPSS(rand.Reader, miryanPrivateKey, newhash, hashed, &opts) |
| iferr!=nil { |
| fmt.Println(err) |
| os.Exit(1) |
| } |
| fmt.Printf('PSS Signature : %xn', signature) |
| // Decrypt Message |
| plainText, err:=rsa.DecryptOAEP(hash, rand.Reader, raulPrivateKey, ciphertext, label) |
| iferr!=nil { |
| fmt.Println(err) |
| os.Exit(1) |
| } |
| fmt.Printf('OAEP decrypted [%x] to n[%s]n', ciphertext, plainText) |
| //Verify Signature |
| err=rsa.VerifyPSS(miryanPublicKey, newhash, hashed, signature, &opts) |
| iferr!=nil { |
| fmt.Println('Who are U? Verify Signature failed') |
| os.Exit(1) |
| } else { |
| fmt.Println('Verify Signature successful') |
| } |
| } |
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