issuing customers certificates containing a public key of private/public key pairs used to authenticate encrypted messages; and, applying electronic date and time stamp and digital signature to electronic documents and transactions to verify time and date received and that documents and transactions have not been altered after application of digital signature

'alter':46 'appli':18 'applic':48 'authent':14 'certif':3 'contain':4 'custom':2 'date':20,36 'digit':25,50 'document':29,40 'electron':19,28 'encrypt':15 'issu':1 'key':7,10 'messag':16 'pair':11 'private/public':9 'public':6 'receiv':37 'signatur':26,51 'stamp':23 'time':22,34 'transact':31,42 'use':12 'verifi':33

DIGITAL RETURN RECEIPT

Owner

Goods & Services