Patent ID: 7420478

Claim:
A method of establishing a first password and a plurality of second passwords for a handheld electronic device, said handheld electronic device having a reduced keyboard having a plurality of keys, said first password being valid and accepted when input using said reduced keyboard of said handheld electronic device, said second passwords being valid and accepted when input using a non-reduced keyboard of a second electronic device, said handheld electronic device having a non-predictive keystroke interpretation system, comprising: performing a key depression sequence on said handheld electronic device, said key depression sequence resulting from a pressing of two or more of the keys of said reduced keyboard; converting said key depression sequence into a first character string using said non-predictive keystroke interpretation system; determining all of the possible character string permutations that correspond to said key depression sequence; and storing said first character string as said first password and said character string permutations as said plurality of second passwords.