Add example

Signed-off-by: Jan Tytgat <jan.tytgat@corelayer.eu>

examples/encrypt/main.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/jantytgat/go-transcrypt/pkg/transcrypt"
+)
+
+func main() {
+	var err error
+	var key string
+	if key, err = transcrypt.CreateHexKey(1024); err != nil {
+		panic(err)
+	}
+
+	var salt []byte
+	// Uncomment the following lines if you want to use a pre-defined salt
+	// if salt, err = transcrypt.CreateSalt(); err != nil {
+	// 	panic(err)
+	// }
+
+	fmt.Println("Key: ", key)
+	fmt.Println("###############")
+
+	var inputString = "hello world"
+	fmt.Println("input:", inputString)
+	var encryptedString string
+	if encryptedString, err = transcrypt.Encrypt(key, salt, transcrypt.AES_256_GCM, inputString); err != nil {
+		panic(err)
+	}
+	fmt.Println("Encrypted:", encryptedString)
+
+	var decryptedString any
+	if decryptedString, err = transcrypt.Decrypt(key, encryptedString); err != nil {
+		panic(err)
+	}
+	fmt.Println("Decrypted:", decryptedString)
+	fmt.Println("###############")
+
+	var inputInt = 123456
+	fmt.Println("input:", inputInt)
+	var encryptedInt string
+	if encryptedInt, err = transcrypt.Encrypt(key, salt, transcrypt.AES_256_GCM, inputInt); err != nil {
+		panic(err)
+	}
+	fmt.Println("Encrypted:", encryptedInt)
+
+	var decryptedInt any
+	if decryptedInt, err = transcrypt.Decrypt(key, encryptedInt); err != nil {
+		panic(err)
+	}
+	fmt.Println("Decrypted:", decryptedInt)
+}