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Go

Generate an RSA Key and Save to Encrypted PEM

See more RSA Examples

Demonstrates how to generate an RSA key and save to an encrypted PEM file.

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Go
    success := false

    rsa := chilkat.NewRsa()

    // Generate a 2048-bit key.
    privKey := chilkat.NewPrivateKey()
    success = rsa.GenKey(2048,privKey)
    if success == false {
        fmt.Println(rsa.LastErrorText())
        rsa.DisposeRsa()
        privKey.DisposePrivateKey()
        return
    }

    password := "secret"
    // Saving to a relative path (from the current working directory of the process).
    path := "rsaKeys/myTestRsaPrivate.pem"
    // Encrypt the PEM using 256-bit AES encryption.
    privKey.SetPkcs8EncryptAlg("aes256")
    success = privKey.SavePkcs8EncryptedPemFile(password,path)
    if success == false {
        fmt.Println(privKey.LastErrorText())
        rsa.DisposeRsa()
        privKey.DisposePrivateKey()
        return
    }

    // image

    // We can also save the public key.
    // There is no need to encrypt public keys.
    pubKey := chilkat.NewPublicKey()
    privKey.ToPublicKey(pubKey)

    path = "rsaKeys/myTestRsaPublic.pem"
    // Choose PKCS1 or PKCS8
    // We'll choose PKCS8.
    preferPkcs1 := false
    success = pubKey.SavePemFile(preferPkcs1,path)
    if success == false {
        fmt.Println(pubKey.LastErrorText())
        rsa.DisposeRsa()
        privKey.DisposePrivateKey()
        pubKey.DisposePublicKey()
        return
    }

    // image

    fmt.Println("Success.")

    rsa.DisposeRsa()
    privKey.DisposePrivateKey()
    pubKey.DisposePublicKey()