Cryptography :

Cryptography is the practice of securing information and communication through mathematical techniques, ensuring confidentiality, integrity, and authenticity of data.

1. OpenSSL

🔹 Purpose: Open-source encryption and SSL/TLS toolkit
🔹 Features:

Implements SSL and TLS protocols
Supports key generation and certificate management
Encrypts files and data
🔹 Official Site: https://www.openssl.org

2. GnuPG (GPG)

🔹 Purpose: Encryption and digital signing tool
🔹 Features:

Implements OpenPGP standard
Supports file encryption and email security
Verifies signatures for authenticity
🔹 Official Site: https://gnupg.org

3. VeraCrypt

🔹 Purpose: Disk encryption software
🔹 Features:

Encrypts entire disk partitions
Supports hidden volumes
Protects against brute-force attacks
🔹 Official Site: https://www.veracrypt.fr

4. Hashcat

🔹 Purpose: Password hashing and cracking tool
🔹 Features:

Supports multiple hashing algorithms
Uses GPU acceleration for faster cracking
Customizable attack modes
🔹 Official Site: https://hashcat.net

5. Cryptool

🔹 Purpose: Learning platform for cryptographic algorithms
🔹 Features:

Visualizes encryption processes
Supports classic and modern algorithms
Educational and research-based tool
🔹 Official Site: https://www.cryptool.org

6. Keybase

🔹 Purpose: End-to-end encrypted messaging and file sharing
🔹 Features:

Secure chat and file storage
Verifies user identities with cryptographic proofs
Supports team collaboration
🔹 Official Site: https://keybase.io

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