On-Demand Secure Email Transformation via Digital Treasury
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Solution Overview
Problem
Conventional email encryption methods require human intervention, are incompatible with different email client software, and do not secure email contents from interception or exposure on insecure terminals, compromising the convenience and security of email communication.
Innovation Solution
A system using public/private key cryptography and a digital treasury platform to automatically encrypt and decrypt email messages, ensuring secure transmission and access only through validated credentials, without requiring recipients to log in on insecure terminals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional encryption software is used to encrypt email messages, then security is improved, but device complexity increases and ease of operation deteriorates
Solution Approach 1:
The system performs encryption and decryption automatically without requiring user intervention. The email client intercepts outgoing messages, encrypts them through the treasury platform API using the recipient's credentials, and the recipient's email client automatically decrypts incoming messages using the sender's credentials, making the security process self-service and transparent to users
Solution Approach 2:
The treasury platform API acts as an intermediary between senders and recipients. It receives encrypted messages from senders, stores them securely, and delivers them to recipients who can access them through their email clients without manual decryption steps, simplifying the user experience while maintaining security
2Reliability
If encryption is applied to all email messages, then security is improved, but productivity decreases due to computational load
Solution Approach 1:
The system applies encryption selectively based on message characteristics rather than encrypting all messages uniformly. The treasury platform API determines whether encryption is needed based on the message content and recipient, applying encryption only when necessary, thus reducing unnecessary computational overhead while maintaining security for sensitive communications
3Reliability
If passcode protection is implemented for encrypted messages, then security is improved, but ease of operation deteriorates
Solution Approach 1:
The system uses the sender's and recipient's existing email credentials automatically for encryption and decryption. The recipient's email client automatically retrieves the sender's credentials from the treasury platform to decrypt messages without requiring the recipient to manually enter or remember passcodes, making security transparent and convenient
4Ease of operation
If email messages are transmitted as plain text packets, then ease of operation is improved, but security deteriorates
Solution Approach 1:
The email client intercepts and encrypts messages before they are transmitted through the email system. By performing encryption in advance at the source, the messages remain encrypted throughout transmission and storage, and are only decrypted when delivered to the recipient's secure email client, thus maintaining both security and transparency
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Provides on-demand secure email transformation by automating encryption and decryption, enhancing security and convenience by eliminating the need for human intervention and ensuring secure access to encrypted content, even on untrusted devices.
Implementation Method 1
The processor circuits may encrypt the email message using public/private key cryptography
Implementation Method 2
The processor circuits may generate a hash value based on a hash function and contents of the email message
Data Source
AI summary
Apparatus and methods disclosed herein provide technical solutions improving the security of email messages. An email message may be encrypted so that a predetermined passcode is not required to access the email message. Apparatus and methods may route email messages through a remote portal. The email message may only be transmitted to the recipient via the portal. In some instances, the contents of an email message may not be transmitted from the portal to the recipient. Rather, the recipient may only access the email message from within the portal. Such restricted access may be preferably less complex because the recipient's computer terminal may automatically connect to the portal.