Secure Shared-Key Messaging|工具線上App不用買-HotApp4Game

Symmetric Cryptography done right.Secure Shared-Key Messaging provides professional, no-nonsense cryptography for sending and receiving private text and email communications. It conforms to the highest standards and best practices in the academic and professional security community.Security Features:■ End-to-end authenticated encryption (AES-256 in Galois/Counter mode with 128-bit tag)■ Password-based key derivation (salted PBKDF2) with 100,000 iterations.■ Unique per-message 128-bit initialization vector and salt (/dev/random).■ Embedded timestamps.■ Minimum length padding support.■ Fully open and verifiable protocols and encoding schemes.■ Passwords, keys, and messages are never stored.■ No accounts, subscriptions, or third-party involvement.Other Features:■ Excellent documentation, including a how-to, FAQ, security model, encoding specification, and other general information.■ Professional, minimalist interface that is easy to use.Who Should Use This?■ Anyone who needs to communicate information that the whole world should not know.■ Anyone who does not trust mobile networks or the Internet to protect their data from other individuals, companies, and governments.Who Should Not Use This?■ If you don't have a way to securely set up a shared password with someone (for example in person), then symmetric-key cryptography will not help you.Requirements■ The person with whom you are communicating must either have this app or be able to read its message format which is openly-documented.