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(DataFlex) Generate RSA SSH Key

Generates an RSA SSH key and saves to various public and private key file formats (OpenSSH and PuTTY).

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoKey
    Boolean iSuccess
    Integer iNumBits
    Integer iExponent
    String sExportedKey
    Boolean iExportEncrypted

    Get Create (RefClass(cComChilkatSshKey)) To hoKey
    If (Not(IsComObjectCreated(hoKey))) Begin
        Send CreateComObject of hoKey
    End

    //  numBits may range from 384 to 4096.  Typical values are
    //  1024 or 2048.  (must be a multiple of 64)
    //  A good choice for the exponent is 65537.  Chilkat recommends
    //  always using this value.
    Move 2048 To iNumBits
    Move 65537 To iExponent
    Get ComGenerateRsaKey Of hoKey iNumBits iExponent To iSuccess
    If (iSuccess <> True) Begin
        Showln "Bad params passed to RSA key generation method."
        Procedure_Return
    End

    //  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 RSA private key to OpenSSH, PuTTY, and XML and save.
    Move False To iExportEncrypted
    Get ComToOpenSshPrivateKey Of hoKey iExportEncrypted To sExportedKey
    //  Chilkat provides a SaveText method for convenience...
    Get ComSaveText Of hoKey sExportedKey "privkey_openssh_unencrypted.pem" To iSuccess

    //  Export with encryption to OpenSSH private key format:
    Set ComPassword Of hoKey To "secret"
    Move True To iExportEncrypted
    Get ComToOpenSshPrivateKey Of hoKey iExportEncrypted To sExportedKey
    Get ComSaveText Of hoKey sExportedKey "privkey_openssh_encrypted.pem" To iSuccess

    //  Export the RSA private key to unencrypted PuTTY format:
    Move False To iExportEncrypted
    Get ComToPuttyPrivateKey Of hoKey iExportEncrypted To sExportedKey
    Get ComSaveText Of hoKey sExportedKey "privkey_putty_unencrypted.ppk" To iSuccess

    //  Export the RSA private key to encrypted PuTTY format:
    Set ComPassword Of hoKey To "secret"
    Move True To iExportEncrypted
    Get ComToPuttyPrivateKey Of hoKey iExportEncrypted To sExportedKey
    Get ComSaveText Of hoKey sExportedKey "privkey_putty_encrypted.ppk" To iSuccess

    //  Export private key to XML:
    Get ComToXml Of hoKey To sExportedKey
    Get ComSaveText Of hoKey sExportedKey "privkey.xml" To iSuccess

    //  ----------------------------------------------------
    //  Now for the public key....
    //  ----------------------------------------------------

    //  The Secure Shell (SSH) Public Key File Format
    //  is documented in RFC 4716.
    Get ComToRfc4716PublicKey Of hoKey To sExportedKey
    Get ComSaveText Of hoKey sExportedKey "pubkey_rfc4716.pub" To iSuccess

    //  OpenSSH has a separate public-key file format, which
    //  is also supported by Chilkat SshKey:
    Get ComToOpenSshPublicKey Of hoKey To sExportedKey
    Get ComSaveText Of hoKey sExportedKey "pubkey_openSsh.pub" To iSuccess

    Showln "Finished."


End_Procedure

 

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