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(Unicode C) Generate DSA SSH KeyGenerates a DSA SSH key and saves to various public and private key file formats (OpenSSH and PuTTY).
#include <C_CkSshKeyW.h> void ChilkatSample(void) { HCkSshKeyW key; BOOL success; int numBits; const wchar_t *exportedKey; BOOL exportEncrypted; key = CkSshKeyW_Create(); // numBits should be a minimum of 1024 and // a multiple of 64. Typical values are // 1024 or 2048. numBits = 2048; success = CkSshKeyW_GenerateDsaKey(key,numBits); if (success != TRUE) { wprintf(L"Invalid numBits passed to DSA key generation method.\n"); CkSshKeyW_Dispose(key); 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). // Export the DSA private key to OpenSSH, PuTTY, and XML and save. exportEncrypted = FALSE; exportedKey = CkSshKeyW_toOpenSshPrivateKey(key,exportEncrypted); // Chilkat provides a SaveText method for convenience... success = CkSshKeyW_SaveText(key,exportedKey,L"privkey_openssh_unencrypted.pem"); // Export with encryption to OpenSSH private key format: CkSshKeyW_putPassword(key,L"secret"); exportEncrypted = TRUE; exportedKey = CkSshKeyW_toOpenSshPrivateKey(key,exportEncrypted); success = CkSshKeyW_SaveText(key,exportedKey,L"privkey_openssh_encrypted.pem"); // Export the DSA private key to unencrypted PuTTY format: exportEncrypted = FALSE; exportedKey = CkSshKeyW_toPuttyPrivateKey(key,exportEncrypted); success = CkSshKeyW_SaveText(key,exportedKey,L"privkey_putty_unencrypted.ppk"); // Export the DSA private key to encrypted PuTTY format: CkSshKeyW_putPassword(key,L"secret"); exportEncrypted = TRUE; exportedKey = CkSshKeyW_toPuttyPrivateKey(key,exportEncrypted); success = CkSshKeyW_SaveText(key,exportedKey,L"privkey_putty_encrypted.ppk"); // Export private key to XML: exportedKey = CkSshKeyW_toXml(key); success = CkSshKeyW_SaveText(key,exportedKey,L"privkey.xml"); // ---------------------------------------------------- // Now for the public key.... // ---------------------------------------------------- // The Secure Shell (SSH) Public Key File Format // is documented in RFC 4716. exportedKey = CkSshKeyW_toRfc4716PublicKey(key); success = CkSshKeyW_SaveText(key,exportedKey,L"pubkey_rfc4716.pub"); // OpenSSH has a separate public-key file format, which // is also supported by Chilkat SshKey: exportedKey = CkSshKeyW_toOpenSshPublicKey(key); success = CkSshKeyW_SaveText(key,exportedKey,L"pubkey_openSsh.pub"); wprintf(L"Finished.\n"); CkSshKeyW_Dispose(key); } |
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