KeySmith SSH

KeySmith is a modern GTK4/Libadwaita application that provides a user-friendly graphical interface for SSH key management tasks. It simplifies the process of generating, managing, and deploying SSH keys through an intuitive GUI while maintaining security best practices.

Features:

SSH Key Generation

• Generate Ed25519, RSA, and ECDSA SSH keys
• Customizable filename, comment, and passphrase options
• Configurable RSA bit sizes (2048, 3072, 4096, 8192)
• Secure key permissions (600) automatically applied

Key Management

• Automatic scanning of ~/.ssh directory
• Display key type, fingerprint, and metadata
• One-click public key copying to clipboard
• Generate ssh-copy-id commands for server deployment
• Secure key deletion with confirmation dialogs

Security & Passphrase Management

• Change key passphrases safely
• Never store or log passphrases
• Delegate all cryptographic operations to OpenSSH tools
• Secure file permission handling

Modern Interface

• GTK4 and Libadwaita design
• Follows GNOME Human Interface Guidelines
• Responsive and accessible interface
• System theme integration
• Toast notifications for user feedback