OTAC, one-way random identity authentication code

swIDch Auth SDK provides login functions based on swIDch’s powerful authentication technology, OTAC (One-Time Authentication Code). OTAC provides the most secure authentication in cyber security because it is impossible to reuse, never duplicates or overlaps with others, and generates real-time dynamically changing authentication methods without connecting to a server.

  • OTAC Authentication

    OTAC technology authenticates by generating a one-time random code that does not overlap with other users.

    Generated by the client device, OTAC is a one-time random code that can identify users in a networkless environment.

  • Transaction OTAC

    After generating an OTAC linked to financial transaction information such as payee information, account number, remittance amount, etc., we can respond to memory hacking or MITM (intermediate attack) in a much safer manner.

    ※ The OTAC server is provided by SSenStone’s cloud service.

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5F, 329, Cheonho-daero Dongdaemun-gu, Seoul, Republic of Korea

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Korea Office (SSenStone)

5F, 329, Cheonho-daero Dongdaemun-gu, Seoul, Republic of Korea (02622)

Tel : 02-569-9668  |  Fax : 02-6455-9668


UK Office (swIDch)

swIDch Ltd Office 176, 1st Floor, 3 More London Riverside, London SE1 2RE

Tel : 020-3283-4081