Patent ID: 6882730

Claim:
A method comprising: transferring at least a first bundle to a first destination via a first link; and transferring at least a second bundle to the first destination via a first out-of-band information carrying mechanism; transferring a plurality of bundles to a second destination, each of the plurality of bundles including a key, a key identifier and an integrity check value and the plurality of bundles includes a third bundle arid a fourth bundle, the third bundle is a plurality of second part bundle encryption key (BEK p2 ) bundles, each of the BEK p2 bundles includes a second part of a bundle encryption key and a combined integrity check value associated with a first encryption key and a second encryption key; storing a current sort encryption key (SEK) at the first destination in an internal memory; storing a next SEK at the first destination in the internal memory; providing the electronic component to the second destination; and recovering a private key at the second destination from a key bundle based on the current SEK, the next SEK and the plurality of bundles received at the second destination.