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(DataFlex) Get PuTTY Public Key from Private PPK

Demonstrates how to get a PuTTY public key from the PPK private key.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoPuttyKey
    String sPpkText
    Boolean iSuccess
    String sStrPubKey1
    String sStrPubKey2
    String sTemp1

    //  Load a .ppk PuTTY private key.
    Get Create (RefClass(cComChilkatSshKey)) To hoPuttyKey
    If (Not(IsComObjectCreated(hoPuttyKey))) Begin
        Send CreateComObject of hoPuttyKey
    End
    Get ComLoadText Of hoPuttyKey "qa_data/ppk/putty_private_secret.ppk" To sPpkText

    //  The ppkText contains this content:

    //  	PuTTY-User-Key-File-2: ssh-rsa
    //  	Encryption: aes256-cbc
    //  	Comment: rsa-key-20170126
    //  	Public-Lines: 6
    //  	AAAAB3NzaC1yc2EAAAABJQAAAQEAx+52s7vvaZ8rT2UdFZWlSUVDHDQ+5ZRFvgRW
    //  	6nm2sO1c9WqNg7u2PQL4jeKSDX2XWcMnpleALz2x8Rr4rMy5E1iZzvWov8VtFd8l
    //  	fa9HOkgEeJB3VFuYR3NlnD3eyCoYJYPVpHJHrIeui2WZs5vQ76HDe+th8+z5Ald4
    //  	zPw3p2c6ZJpBrkSBM67hWokoBDi23c7NhszDHhJBrv+B98cQxnagI1PUKqN7E8Vg
    //  	bNtBI8beIMHyI69up9G1AXSEi0cGIjYNx9RNUPau1mRk/SvfqxgWkAjM005lj7hc
    //  	bOsjbdKK3T2NtrKTaYjEiXlEXcj1iGuApsD/m73pYaEJB3Nd7w==
    //  	Private-Lines: 14
    //  	MoaDbq0owouN/7Z9Pga0favDhM2bSEgMErJBxdDmNUXIVVcUoLiD/Ps1RA+BeBBX
    //  	wxqKUt9PqLy/pnafPR/i2xjJiQtQ0CWkPxND16Gi1dqLzmbQYYl1ev4+LzuG0zNX
    //  	HDGMvRiwagY7mY+F1tUjBYfOL6z8XHw4m40YcY1QorOO+0MMzAVT5Hkg8YyXW209
    //  	B/V/LRADFMVA2BlL39y11cb5ZpFStPH/waYUMY+2w1ZmJZ7dcRoMjuKmY+YE/tUx
    //  	n9X3P0qTNSbw6e6sMG3Dhr1vfoJUQWApUliD6GpUiCeIvXBcVqG8Vsfq9XADsPl0
    //  	+nFAwjSZflywcB7/FwhGb7q5UmcJK06SzoMl7Og5e3g7NCs3yNNQIv+qCpDjhxrA
    //  	hpT03mbipu7OXCZDeUwUhMGJAmYHE5iqm1rPCsSVbaMgpxhCWf01Cx4gLx3aMvn4
    //  	MdylA31GuL3wSxcWTslrOI8+449lZN/qZEnGEZkYTrnlu123jTqsAWMMtuHSz2Ig
    //  	6GA89oTdlppkNflhNH3OJ85kMUrc3p/ZBMdndz8jTDTljmJjHR5oNMoShFof115A
    //  	nWjUHqBwCgcubLYyH3afDvBTOhtl0tJ9Oby0wJlOAGnCXiPSDbF/y7J7xml/PS9t
    //  	XlSVNxtAY15NDO6Fp96sBVfKuJsfJ90PzdBom4ikIuf7sMwtElrHHLuYfcXJQYLp
    //  	G5jBmqDgnirosVPEBIxlxFzz/HCRmdU+tsYg46gqI4R5UpKUe8WSaJoZkDGsrqhm
    //  	e+1SJaBuafR4v2bx/bV414Hg7LGQosK2S3crxH4UgZl+g02vWznZfBH+9CmHvKDR
    //  	AxfcKOTzsaILKJtQPV81lmJ45sARYMcB5jMiE4kBg56hiXouChsvKkm55WVcW1E+
    //  	Private-MAC: 17512c9f7582c1d9c3ae2b01b4d67a6b1dbd1d0e

    //  "secret" is the actual password for the above PPK.
    Set ComPassword Of hoPuttyKey To "secret"
    Get ComFromPuttyPrivateKey Of hoPuttyKey sPpkText To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoPuttyKey To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  There are two common SSH public key formats.
    //  This example will convert to both.

    //  1) Convert to an OpenSSH public key
    // 
    Get ComToOpenSshPublicKey Of hoPuttyKey To sStrPubKey1
    Showln sStrPubKey1

    //  strPubKey1 contains:
    // 
    //  ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEAx+52s7vvaZ8rT2UdFZWlSUVDHDQ+5ZRFvgRW6nm2sO1c9WqNg7u2PQL4jeKSDX2XWcMnpleALz2x8Rr4rMy5E1iZzvWov8VtFd8lfa9HOkgEeJB3VFuYR3NlnD3eyCoYJYPVpHJHrIeui2WZs5vQ76HDe+th8+z5Ald4zPw3p2c6ZJpBrkSBM67hWokoBDi23c7NhszDHhJBrv+B98cQxnagI1PUKqN7E8VgbNtBI8beIMHyI69up9G1AXSEi0cGIjYNx9RNUPau1mRk/SvfqxgWkAjM005lj7hcbOsjbdKK3T2NtrKTaYjEiXlEXcj1iGuApsD/m73pYaEJB3Nd7w== rsa-key-20170126

    //  2) Convert to an RFC 4716 SSH public key PEM
    // 
    Get ComToRfc4716PublicKey Of hoPuttyKey To sStrPubKey2
    Showln sStrPubKey2

    //  strPubKey2 contains:
    // 
    //  ---- BEGIN SSH2 PUBLIC KEY ----
    //  Comment: "rsa-key-20170126"
    //  AAAAB3NzaC1yc2EAAAABJQAAAQEAx+52s7vvaZ8rT2UdFZWlSUVDHDQ+5ZRFvgRW
    //  6nm2sO1c9WqNg7u2PQL4jeKSDX2XWcMnpleALz2x8Rr4rMy5E1iZzvWov8VtFd8l
    //  fa9HOkgEeJB3VFuYR3NlnD3eyCoYJYPVpHJHrIeui2WZs5vQ76HDe+th8+z5Ald4
    //  zPw3p2c6ZJpBrkSBM67hWokoBDi23c7NhszDHhJBrv+B98cQxnagI1PUKqN7E8Vg
    //  bNtBI8beIMHyI69up9G1AXSEi0cGIjYNx9RNUPau1mRk/SvfqxgWkAjM005lj7hc
    //  bOsjbdKK3T2NtrKTaYjEiXlEXcj1iGuApsD/m73pYaEJB3Nd7w==
    //  ---- END SSH2 PUBLIC KEY ----


End_Procedure

 

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