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SHA256 Encrypt/Decrypt
Encrypt and decrypt text using SHA256-based encryption with customizable keys and advanced security features
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SHA256 Encrypt/Decrypt
Encrypt and decrypt text using SHA256-based encryption with AES-256
🔒 Encrypt Text
Enter your text and encryption key to generate encrypted output
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Security Information:
- Uses SHA256-based key derivation with PBKDF2
- AES-256 encryption with CBC mode
- Random salt and IV for each encryption
- 100,000 iterations for key derivation
- All processing happens in your browser
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About SHA256 Encrypt/Decrypt
The SHA256 Encrypt/Decrypt tool provides secure text encryption using SHA256-based key derivation and AES encryption. Perfect for protecting sensitive information, creating secure messages, and implementing cryptographic solutions. Features custom key generation, multiple encryption modes, and secure decryption capabilities.
✨ Key Benefits
- Encrypt sensitive text with SHA256-based security
- Generate secure encryption keys from passphrases
- Support for multiple encryption algorithms
- Secure decryption with proper key validation
- Copy encrypted/decrypted results to clipboard
- Real-time encryption and decryption
- Advanced security features and options
- No data stored on servers - client-side only
🚀 Features
- SHA256-based key derivation function
- AES-256 encryption with CBC mode
- Custom passphrase support
- Secure random salt generation
- Base64 encoded output
- Input validation and error handling
- Clipboard copy functionality
- Clear all data option
- Real-time processing
- Mobile-responsive interface
💡 Use Cases
- Encrypting sensitive personal information
- Protecting confidential business data
- Creating secure password storage
- Implementing secure communication protocols
- Encrypting files and documents
- Securing API keys and tokens
- Educational cryptography demonstrations
- Building secure applications
🎯 Fun Facts
- SHA256 produces a 256-bit hash, providing excellent security
- AES-256 is used by governments for classified information
- The tool uses PBKDF2 for secure key derivation
- Encryption happens entirely in your browser
- Salt prevents rainbow table attacks
- CBC mode provides semantic security
📚 Historical Context
- SHA256 was standardized by NIST in 2001
- AES was selected as the encryption standard in 2001
- PBKDF2 was designed to slow down brute force attacks
- The SHA-2 family was designed by the NSA
- AES replaced DES as the encryption standard
- Modern browsers support Web Crypto API for secure encryption
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