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(Swift) Load an SSH Key from a File (Many Formats Supported)

Demonstrates how to load an SSH public or private key object from a file. The file can be in any of the following formats:

  • OpenSSH private key
  • OpenSSH public key
  • PuTTY private key
  • RFC 4716 public key

Chilkat Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

func chilkatTest() {

    let sshkey = CkoSshKey()

    //  First, use the LoadText convenience method to load a text file (of any SSH key format)
    //  into a string:
    var strKey: String? = sshkey.LoadText("../mySshKeys/myKey.txt")

    //  Next, load the key into the SSH key object.

    //  If the key is an OpenSSH private key:
    //  (In actuality, the From* methods will automatically detect the format and load
    //  the key correctly.  For example, if a PuTTY private key is passed to FromOpenSshPrivateKey,
    //  it  will still load correctly.)
    var success: Bool = sshkey.FromOpenSshPrivateKey(strKey)
    if success != true {
        print("\(sshkey.LastErrorText)")
    }
    else {
        print("Loaded OpenSSH private key.")
        return
    }

    //  If the key is an OpenSSH public key:
    success = sshkey.FromOpenSshPublicKey(strKey)
    if success != true {
        print("\(sshkey.LastErrorText)")
    }
    else {
        print("Loaded OpenSSH public key.")
        return
    }

    //  If the key is a PuTTY private key:
    success = sshkey.FromPuttyPrivateKey(strKey)
    if success != true {
        print("\(sshkey.LastErrorText)")
    }
    else {
        print("Loaded PuTTY private key.")
        return
    }

    //  If the key is an RFC 4716 public key:
    success = sshkey.FromRfc4716PublicKey(strKey)
    if success != true {
        print("\(sshkey.LastErrorText)")
    }
    else {
        print("Loaded RFC 4716 public key.")
    }


}

 

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