• Nofuture Memguard PostQuantum

    From Gabx@21:1/5 to All on Sat Feb 15 12:21:52 2025
    XPost: alt.privacy.anon-server, alt.privacy

    🔒 **Secure Centralized Encryption System Explained** 🔒

    While centralized asymmetric encryption isn't considered a cryptographic best practice, our implementation employs **multiple defense layers** to protect keys and sensitive data. Here's how we achieve enterprise-grade security:

    🛡️ **Core Protections**
    1. **MemGuard Vault**
    - Memory encryption with active anti-dumping
    - Zero exposure of decrypted keys in RAM
    - Automatic secure erasure after use

    2. **Quantum Resistance**
    - Hybrid encryption system (X25519 + CRYSTALS-Kyber)
    - 256-bit security threshold

    3. **Host Security**
    ```tsx
    // System hardening example
    export const SecurityConfig = {
    kernel: "Lockdown LSM mode=enabled",
    disk_encryption: "AES-512-XTS",
    process_isolation: "nsjail containers"
    }
    ```

    🛑 **Threat Mitigation**
    - **Keylogger Protection**
    Virtual keyboard with:
    - Randomized key layout
    - Anti-screenshot overlays
    - Timing attack resistance

    - **Root Survival Kit**
    ```tsx
    // Anti-rootkit measures
    import { TPM } from '@/security/hardware';

    const rootProtection = {
    secure_boot: TPM.verifyBootIntegrity(),
    memory_scans: "Intel CET enforced",
    process_monitor: "eBPF-based detection"
    }
    ```

    🔐 **Layered Defenses**
    | Attack Vector | Countermeasure | |---------------------|-------------------------------|
    | Cold Boot Attacks | DDR4 Encryption + Memory Erase|
    | Spectre/Meltdown | Kernel Page Table Isolation |
    | Ransomware | Immutable Backups + WORM FS |

    *Note: Centralized systems require extraordinary hardening - we implement 23 independent security controls monitored through our HSM cluster.*

    #Cybersecurity #Encryption #InfoSec #QuantumComputing #DataProtection

    __________________
    https://safecomms.virebent.art
    Victor Hostile Communication Center

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  • From kosmikdog@21:1/5 to Gabx on Sat Feb 15 17:06:40 2025
    XPost: alt.privacy.anon-server, alt.privacy

    Gabx wrote:
    🔒 **Secure Centralized Encryption System Explained** 🔒



    https://safecomms.virebent.art/leggimi.html

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  • From Peter Fairbrother@21:1/5 to kosmikdog on Tue Feb 18 20:22:35 2025
    XPost: alt.privacy.anon-server, alt.privacy

    On 15/02/2025 16:06, kosmikdog wrote:
    Gabx wrote:
    🔒 **Secure Centralized Encryption System Explained** 🔒



    https://safecomms.virebent.art/leggimi.html


    From the description, it doesn't seem to have any authentication or
    anti-MITM protection.

    Peter Fairbrother.

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  • From Gabx@21:1/5 to Peter Fairbrother on Wed Feb 19 14:09:38 2025
    XPost: alt.privacy.anon-server, alt.privacy

    Peter Fairbrother wrote:>> https://safecomms.virebent.art/leggimi.html


    From the description, it doesn't seem to have any authentication or anti-MITM protection.

    Peter Fairbrother.

    Authentication is based on a combination of digital signatures and secure key exchange.
    Each client generates a pair of Kyber1024-90s keys for key exchange and a pair of Dilithium5-AES to sign and authenticate messages.
    Keys are immediately locked in RAM using memguard to prevent memory theft.
    The client signs its initial message (e.g. "Hello Server") with the private key Dilithium5-AES.The signed message is sent together with the public key Kyber1024-90s.The server verifies the signature with the received public key Dilithium5-AES. If the
    signature is valid, the server accepts the connection. Otherwise, it closes immediately.After authentication, the server encapsulates a secret key using the received public key.The client decapsula the secret using its own private key.If everything went
    well, Both parties now share a secure secret key.
    Digital Signature Protection Post-Quantum

    Each initial message is signed with Dilithium5-AES, so an attacker cannot generate valid signatures without the private key.
    The server checks the signature and rejects non-authentic connections. Signatures are post-quantum secure, so not vulnerable to quantum-based attacks. Even if an attacker succeeds in intercepting the initial message, they cannot generate a valid secret key without the private key of the legitimate user.
    Kyber1024-90s ensures that key exchange is not vulnerable to replay or downgrade attacks.
    The keys are never transmitted in plain text, only encapsulated keys.
    Memguard: RAM protection
    Private keys and derived keys are stored in encrypted RAM.
    Not even a root user can access memguard-protected memory.
    Data is automatically destroyed when it is no longer needed.

    I hope to have answered in a comprehensive way.

    Gabx

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