Encryption key:
KlJGpoxFJd4ndTZivPoWdMNLdpuftLqdoMuJK+L3d9A=
Original number: 12345
Encrypted data (base64): T2yJSsTZnD4okTWNpT24Bg==
Encoded and URL encoded data: T2yJSsTZnD4okTWNpT24Bg%3D%3D
URL decoded and base64 decoded data: T2yJSsTZnD4okTWNpT24Bg==
Decrypted number: 12345