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Swift 3,4,5... Examples

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(Swift 3,4,5...) Generate Key and Certificate Signing Request (CSR)

Demonstrates how to generate a new RSA key and a Certificate Signing Request (CSR).

Note: This example requires Chilkat v9.5.0.65 or greater.

Chilkat Downloads for the Swift Programming Language

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

iOS Objective-C/Swift Libs

func chilkatTest() {
    // Note: Requires Chilkat v9.5.0.65 or greater.

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

    // First generate an RSA private key.
    let rsa = CkoRsa()!

    // Generate a random 2048-bit RSA key.
    var success: Bool = rsa.generateKey(2048)
    if success != true {
        print("\(rsa.lastErrorText!)")
        return
    }

    // Get the private key
    var privKey: CkoPrivateKey? = rsa.exportPrivateKeyObj()

    // Create the CSR object and set properties.
    let csr = CkoCsr()!

    // Specify the Common Name.  This is the only required property.
    // For SSL/TLS certificates, this would be the domain name. 
    // For email certificates this would be the email address. 
    csr.commonName = "mysubdomain.mydomain.com"

    // Country Name (2 letter code)
    csr.country = "GB"

    // State or Province Name (full name)
    csr.state = "Yorks"

    // Locality Name (eg, city)
    csr.locality = "York"

    // Organization Name (eg, company)
    csr.company = "Internet Widgits Pty Ltd"

    // Organizational Unit Name (eg, secion/division)
    csr.companyDivision = "IT"

    // Email address
    csr.emailAddress = "support@mydomain.com"

    // Create the CSR using the private key.
    var pemStr: String? = csr.genCsrPem(privKey)
    if csr.lastMethodSuccess != true {
        print("\(csr.lastErrorText!)")
        privKey = nil
        return
    }

    // Save the private key and CSR to a files.
    privKey!.savePkcs8EncryptedPemFile("password", path: "qa_output/privKey1.pem")
    privKey = nil

    let fac = CkoFileAccess()!
    fac.writeEntireTextFile("qa_output/csr1.pem", fileData: pemStr, charset: "utf-8", includePreamble: false)

    // Show the CSR.
    print("\(pemStr!)")

    // Sample output:
    // The CSR PEM can be checked here:
    // https://www.networking4all.com/en/support/tools/csr+check/
    // Copy-and-paste the PEM into the online CSR Decoding / CSR Verification form

    // 	-----BEGIN CERTIFICATE REQUEST-----
    // 	MIIC6jCCAdICAQAwgaQxITAfBgNVBAMMGG15c3ViZG9tYWluLm15ZG9tYWluLmNv
    // 	bTELMAkGA1UEBhMCR0IxDjAMBgNVBAgMBVlvcmtzMQ0wCwYDVQQHDARZb3JrMSEw
    // 	HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQxCzAJBgNVBAsMAklUMSMw
    // 	IQYJKoZIhvcNAQkBFhRzdXBwb3J0QG15ZG9tYWluLmNvbTCCASIwDQYJKoZIhvcN
    // 	AQEBBQADggEPADCCAQoCggEBALnQ0un/wF8whk+gPuiAlf3qvx14jgAOV6Erm6EB
    // 	H7WACPCpnKcm/8KP+7uoPiwRQaENhMeCgf45vcivl2p6aAn/spLXyEkXyw2d8wFb
    // 	YYAGRkiz4Xf7ASJiKuwcOtORz+sSDzgtdfokHfXU1cYeFE2yQhSdLUY5fMn425+g
    // 	KoEEsRSjSDe6AKru4+4iGNrLKd8pB9IA5/jOE139IkWlB9r5fEPD5bUTsgqXk9eb
    // 	68O0gc712V2eZK07N24lDmFC4bIMTD4csDWocR5hFHXj7NX7c8sOBDcpEb9mPIk4
    // 	elxubnhkfnjhOi4J3lDHcT/0ALnbLhf9LnaiKqs+5VcVZvECAwEAAaAAMA0GCSqG
    // 	SIb3DQEBBQUAA4IBAQC0AETLIcP3foh5nbu2hVFS8uCUNZ5hEIR1eXmYZmZoBQq2
    // 	26ZAoT4CZwixlggC+n7WvAXJ5Pzxpl4wLV4loTiQzaKPX1w0ERo5ZRwLy0n56oG2
    // 	6QG+WTViT1C8rlgtVwkCFNOXr0kSSRs8FdaPllqKxK1hxYSL7zwNpumsk39F2cDt
    // 	vhcekvH0V3BuGrQFm3dKN/0azW6GOod9+Vq4VzSyOe3kp15oxLBsZOFOu/REujcw
    // 	Tzu2jt1asQKUm60CZ9wNHpYepR0Ww40uP1slbehEaFDa6V8b60/tlHHmBbJ4/fy5
    // 	hJnYCvjzFz4O9VtT+JtP9ldRHWV3KpZ8ne3AjD+F
    // 	-----END CERTIFICATE REQUEST-----

}

 

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