Patent application 14153141 (US), filed 2014-01-13
Publication number: US20150200777A1
Title: Password-based key derivation without changing key
CPC codes: H04L   9/0863
H04L   9/0869
G09C   1/00
Office action: rejection, dated 2015-10-15
Rejection reasons: anticipation_102
subject_matter_101
indefiniteness_112
Final disposition: granted (2015-10-15)