A mobile wireless communication device communicatively coupled to an airplane system , comprising: one or more memories; and one or more processors coupled to the one or more memories, wherein the one or more processors are configured to: receive a collection of security parameters from a network system on a per application basis and a per device basis, wherein the collection of security parameters are signed and/or sealed by a digital notary, before being received by the one or more processors; store at least one of signed and/or sealed collection of security parameters in the one or more memories; send a request for access to the airplane system, wherein the request includes the at least one of signed and/or sealed collection of security parameters; access an airplane system, wherein access is based on a decryption using one or more first keys of the at least one of signed and/or sealed collection of security parameters when the mobile wireless communication device and the airplane system are offline with respect to the network system; receive one or more second keys, different to the one or more first keys, transmitted by the airplane system in response to the request, decrypt, using the one or more second keys, other parameters or data stored in the one or more memories, wherein the one or more second keys are application-specific, and configured not to decrypt the at least one of the signed and or sealed collection of security parameters included in the request, and facilitate communications between the mobile wireless communication device and the airplane system using the decrypted other parameters or the decrypted data. one or more memories; and one or more processors coupled to the one or more memories, wherein the one or more processors are configured to: receive a collection of security parameters from a network system on a per application basis and a per device basis, wherein the collection of security parameters are signed and/or sealed by a digital notary, before being received by the one or more processors; store at least one of signed and/or sealed collection of security parameters in the one or more memories; send a request for access to the airplane system, wherein the request includes the at least one of signed and/or sealed collection of security parameters; access an airplane system, wherein access is based on a decryption using one or more first keys of the at least one of signed and/or sealed collection of security parameters when the mobile wireless communication device and the airplane system are offline with respect to the network system; receive one or more second keys, different to the one or more first keys, transmitted by the airplane system in response to the request, decrypt, using the one or more second keys, other parameters or data stored in the one or more memories, wherein the one or more second keys are application-specific, and configured not to decrypt the at least one of the signed and or sealed collection of security parameters included in the request, and facilitate communications between the mobile wireless communication device and the airplane system using the decrypted other parameters or the decrypted data. <EOS>