IDall and PASSCON Blue Paper, Part III.3.1 Authentication Process, Registration New Credential

One ID service and PASSCON Authentication Security Technology

The authentication process can be described by dividing the creation and registration of credentials, login authentication, e-commerce authentication, and modification / deletion of credentials. The process incorporates PASSCON’s unique personalization dashboard interface, natural random numbers generated from photo files, and 2Way 4Factor verification algorithms.

• Registration new credentials (UD_CRD, US_CRD)
• Login digital signature authentication
• Electronic transaction digital signature authentication
• Change / Discard credentials (UD_CRD, US_CRD)

Each process can be operated in the following order.

Registration New Credential for PASSCON

III.3.1 Registration New Credential (UD_CRD, US_CRD)

Credentials are created and stored by the user selecting a specific photo file and authentication key.

Selecting a Photo for Natural Random Number Generation for PASSCON

Flowchart

The process of creating and storing UD_CRD and US_CRD) follows the flow chart below.

Flow Chart of Registration New Credential for PASSCON

Generate and store credentials

The following expression generates each authentication factor that constitutes a credential. The Key Generator, Factor Generator, and Mix functions can be applied by transforming them with various algorithms.

• Spb, Spr, Upb, Upr: RSA2048(Seed)
• DAK, DAK_N: SHA-3(Mac Address, etc.)
• E_DAK: RSA2048(Spb, DAK)
• NRN: SHA-3(Photo)
• E_Upb_NRN_DAK: RSA2048(Upb, Mix (NRN, DAK))
• APC_Key: Key Generator (APC)
• E_Upr: AES256(APC_Key, Upr)
• SFA: Factor Generator (Mix (NRN, APC))
• Signature: RSA2048(Upr, SFA)
• NA_Key: Key Generator (APC, NRN)

The UD_CRD stored in the device and the US_CRD stored in the server are completed through a series of registration processes.

Factor Diagram of PASSCON

The components of each credential are as follows. It may be divided into “User dependent” depending on the user ID and “Device Dependent” depending on the user device again.

Credential Archiyecture of PASSCON

If there are more than two devices, there will be more than two “Device Dependent” in US_CRD. The authentication key, Upr, APC, and NRN are not stored anywhere by themselves.

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