International Business Machines Corporation

Winson Cw Chao

Ming-Hsun Wu

Wei-Shiau Suen

Ta-wei Lin

Ying-Hung Yu

Provided are a computer program product, method and system for dynamically providing algorithm-based password/challenge authentication. A page is provided to authenticate a presenter of a username including a string and a field for entry of a password. An entered password entered into the page is received. An algorithm associated with the username is applied to the string included in the page to generate a generated password. A determination is made as to whether the entered password matches the generated password. The username is successfully authenticated in response to determining that the entered password matches the generated password.

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Taipei, Taiwan

Winson Cw Chao