Ultrasonic sensor devices for acquiring biometric features, generating cryptographic keys, and performing matching algorithms; and software for management of personal credentials and data storage which are secured by encryption and accessible by operation of such devices

'access':31 'acquir':5 'algorithm':14 'biometr':6 'credenti':21 'cryptograph':9 'data':23 'devic':3,36 'encrypt':29 'featur':7 'generat':8 'key':10 'manag':18 'match':13 'oper':33 'perform':12 'person':20 'secur':27 'sensor':2 'softwar':16 'storag':24 'ultrason':1

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