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(Perl) Generate DSA SSH KeyGenerates a DSA SSH key and saves to various public and private key file formats (OpenSSH and PuTTY).
use chilkat(); $key = chilkat::CkSshKey->new(); # numBits should be a minimum of 1024 and # a multiple of 64. Typical values are # 1024 or 2048. $numBits = 2048; $success = $key->GenerateDsaKey($numBits); if ($success != 1) { print "Invalid numBits passed to DSA key generation method." . "\r\n"; exit; } # Note: Generating a public/private key pair is CPU intensive # and may take a short amount of time (more than few seconds, # but less than a minute). # Export the DSA private key to OpenSSH, PuTTY, and XML and save. $exportEncrypted = 0; $exportedKey = $key->toOpenSshPrivateKey($exportEncrypted); # Chilkat provides a SaveText method for convenience... $success = $key->SaveText($exportedKey,"privkey_openssh_unencrypted.pem"); # Export with encryption to OpenSSH private key format: $key->put_Password("secret"); $exportEncrypted = 1; $exportedKey = $key->toOpenSshPrivateKey($exportEncrypted); $success = $key->SaveText($exportedKey,"privkey_openssh_encrypted.pem"); # Export the DSA private key to unencrypted PuTTY format: $exportEncrypted = 0; $exportedKey = $key->toPuttyPrivateKey($exportEncrypted); $success = $key->SaveText($exportedKey,"privkey_putty_unencrypted.ppk"); # Export the DSA private key to encrypted PuTTY format: $key->put_Password("secret"); $exportEncrypted = 1; $exportedKey = $key->toPuttyPrivateKey($exportEncrypted); $success = $key->SaveText($exportedKey,"privkey_putty_encrypted.ppk"); # Export private key to XML: $exportedKey = $key->toXml(); $success = $key->SaveText($exportedKey,"privkey.xml"); # ---------------------------------------------------- # Now for the public key.... # ---------------------------------------------------- # The Secure Shell (SSH) Public Key File Format # is documented in RFC 4716. $exportedKey = $key->toRfc4716PublicKey(); $success = $key->SaveText($exportedKey,"pubkey_rfc4716.pub"); # OpenSSH has a separate public-key file format, which # is also supported by Chilkat SshKey: $exportedKey = $key->toOpenSshPublicKey(); $success = $key->SaveText($exportedKey,"pubkey_openSsh.pub"); print "Finished." . "\r\n"; |
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