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(Unicode C) SFTP Authentication using X.509 CertificatesSee more SFTP ExamplesDemonstrates how to authenticate with an SSH/SFTP server using an certificate's private key. Note: See X.509v3 Certificates for SSH Authentication for more information.
#include <C_CkSFtpW.h> #include <C_CkCertW.h> #include <C_CkSshKeyW.h> void ChilkatSample(void) { HCkSFtpW sftp; const wchar_t *hostname; int port; BOOL success; HCkCertW cert; const wchar_t *privKeyPem; HCkSshKeyW key; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. sftp = CkSFtpW_Create(); hostname = L"sftp.example.com"; port = 22; success = CkSFtpW_Connect(sftp,hostname,port); if (success != TRUE) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); return; } // Load the cert + private key from a .pfx. // Note: Chilkat provides methods for loading certs and private keys from many sources, including smart cards and USB tokens (HSM's) cert = CkCertW_Create(); success = CkCertW_LoadPfxFile(cert,L"qa_data/pfx/example.pfx",L"pfx_password"); if (success != TRUE) { wprintf(L"%s\n",CkCertW_lastErrorText(cert)); CkSFtpW_Dispose(sftp); CkCertW_Dispose(cert); return; } // Get the cert's private key (as PEM) to be used for SSH authentication. // (The public key is installed on the server.) privKeyPem = CkCertW_getPrivateKeyPem(cert); if (CkCertW_getLastMethodSuccess(cert) == FALSE) { wprintf(L"%s\n",CkCertW_lastErrorText(cert)); CkSFtpW_Dispose(sftp); CkCertW_Dispose(cert); return; } key = CkSshKeyW_Create(); // Load a private key from a PEM string: success = CkSshKeyW_FromOpenSshPrivateKey(key,privKeyPem); if (success != TRUE) { wprintf(L"%s\n",CkSshKeyW_lastErrorText(key)); CkSFtpW_Dispose(sftp); CkCertW_Dispose(cert); CkSshKeyW_Dispose(key); return; } // Authenticate with the SSH server. success = CkSFtpW_AuthenticatePk(sftp,L"myLogin",key); if (success != TRUE) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); CkCertW_Dispose(cert); CkSshKeyW_Dispose(key); return; } wprintf(L"Public-Key Authentication Successful!\n"); CkSFtpW_Dispose(sftp); CkCertW_Dispose(cert); CkSshKeyW_Dispose(key); } |
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