Lianja

SFTP use Cert's Private Key from PFX (.pfx/.p12)

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Demonstrates how to use the private key associated with a certificate from a .pfx/.p12 file. Lianja

llSuccess = .F.

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loCert = createobject("CkCert")

lcPfxFilepath = "qa_data/pfx/my.pfx"
lcPfxPassword = "secret"

// A PFX typically contains certificates in the chain of authentication.
// The Chilkat cert object will choose the certificate w/
// private key farthest from the root authority cert.
// To access all the certificates in a PFX, use the 
// Chilkat certificate store object instead.
llSuccess = loCert.LoadPfxFile(lcPfxFilepath,lcPfxPassword)
if (llSuccess = .F.) then
    ? loCert.LastErrorText
    release loCert
    return
endif

// Get the private key.  
loPrivKey = createobject("CkPrivateKey")
llSuccess = loCert.GetPrivateKey(loPrivKey)
if (llSuccess = .F.) then
    ? loCert.LastErrorText
    release loCert
    release loPrivKey
    return
endif

lcPrivKeyPem = loPrivKey.GetPkcs8Pem()
if (loPrivKey.LastMethodSuccess = .F.) then
    ? loPrivKey.LastErrorText
    release loCert
    release loPrivKey
    return
endif

loSshKey = createobject("CkSshKey")
llSuccess = loSshKey.FromOpenSshPrivateKey(lcPrivKeyPem)
if (llSuccess = .F.) then
    ? loSshKey.LastErrorText
    release loCert
    release loPrivKey
    release loSshKey
    return
endif

// Connect to an SSH/SFTP server
loSftp = createobject("CkSFtp")
llSuccess = loSftp.Connect("sftp.example.com",22)
if (llSuccess = .F.) then
    ? loSftp.LastErrorText
    release loCert
    release loPrivKey
    release loSshKey
    release loSftp
    return
endif

// Authenticate with the SSH server using a username + private key.
// (The private key serves as the password.  The username identifies
// the SSH user account on the server.)
llSuccess = loSftp.AuthenticatePk("mySshLogin",loSshKey)
if (llSuccess = .F.) then
    ? loSftp.LastErrorText
    release loCert
    release loPrivKey
    release loSshKey
    release loSftp
    return
endif

? "OK, the connection and authentication with the SSH server is completed."

// This example is only to show the connection + authentication using a private key associated with a certificate in the Windows certificate store...


release loCert
release loPrivKey
release loSshKey
release loSftp