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Generate DSA SSH KeyGenerates a DSA SSH key and saves to various public and private key file formats (OpenSSH and PuTTY). Downloads: MS Windows Visual C/C++ Libraries Linux/CentOS C/C++ Libraries MAC OS X C/C++ Libraries Solaris C/C++ Libraries C++ Builder Libraries #include <CkSshKey.h> void ChilkatSample(void) { CkSshKey key; bool success; long numBits; // 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 != true) { printf("Invalid numBits passed to DSA key generation method.\n"); return; } // 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). const char * exportedKey; bool exportEncrypted; // Export the DSA private key to OpenSSH, PuTTY, and XML and save. exportEncrypted = false; 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 = true; exportedKey = key.toOpenSshPrivateKey(exportEncrypted); success = key.SaveText(exportedKey,"privkey_openssh_encrypted.pem"); // Export the DSA private key to unencrypted PuTTY format: exportEncrypted = false; 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 = true; 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"); printf("Finished.\n"); } |
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