US Patent 7546460 Secure communications across multiple protocols

Systems, methods, and devices for secure communications across multiple protocols are disclosed. In one embodiment, the method comprises receiving, at an access device, an encryption key. The access device analyzes the communication to determine a portion of the communication to be encrypted and to determine an additional portion of the communication to remain unencrypted by the first encryption process. The method further comprises encrypting the portion of the communication using the first encryption process and the encryption key, and transmitting the communication from the access device.