4. Cryptography
  5. By modifying optical image

R. Drews Dean

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System for authenticating access to online content...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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System for encrypting documents with stencils

Cryptography – By modifying optical image
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System, method and article of manufacture for a...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
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System, method and article of manufacture for providing...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography
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System, method and article of manufacture for transition...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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Profile ID: LFUS-PAI-P-2694125

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