It is a bank account security system.

Basically, the remittance provided by the bank account, balance check, etc.

Like a security system, it's about your personal information.

Accounts are managed encrypted.

7 Segment - Show the account password you enter

Dip Switch - Use as a second security device when entering an account password

Boozer - Boozer sounds when entering wrong account passwords five times in a row

Text LCD - Display current account balance, account number

Touch LCD - UI Interface 구현

Save the user's name and password as a structure when creating the first account.

At this point, the password is provided using /dev/random, which is provided by the UNIX system itself.

After generating with random numbers, we use RSA algorithms to generate public keys and secret keys and store them encrypted.

You can use the account number only when the Dip Switch status matches the Binary Code.

Check each transaction.

Remittance: Account password and OTP authentication required.

Inquiry into transaction details: Request account password

Balance check: Account password required

Management of all personal information, account number, password, balance, and transaction details of the account holder in an encrypted state

Manage data by leveraging tree structures

Management of details, such as types of transactions (deposits, withdrawals), transaction time, transaction amount, etc. as a structure

Manage data by leveraging tree structures