Electronic circuits and digital recording media storing authentication information used in computer programs having authentication function; Computer peripheral devices

'authent':8,15 'circuit':2 'comput':12,17 'devic':19 'digit':4 'electron':1 'function':16 'inform':9 'media':6 'peripher':18 'program':13 'record':5 'store':7 'use':10

Providing user authentication services using encryption technology or digital signature algorithm for computer operation

'algorithm':11 'authent':3 'comput':13 'digit':9 'encrypt':6 'oper':14 'provid':1 'servic':4 'signatur':10 'technolog':7 'use':5 'user':2

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