Jasypt Encryption, Decryption, and Password Matching Tool

Jasypt (Java Simplified Encryption) is a widely used library for securing sensitive values in Java and Spring applications. It provides both one-way (hashing) and two-way (reversible) encryption methods and is commonly used to protect configuration values, passwords, and application secrets.

This page provides an online Jasypt-style tool that lets you experiment with encryption, decryption, and password matching using a simplified implementation. It is particularly useful for developers who want to understand how Jasypt-style encrypted values behave and test their workflow before applying it in a Java or Spring Boot environment.

⚠️ Note
This is a Jasypt-style implementation built with PHP for testing and educational purposes.
It is not guaranteed to be byte-for-byte identical to official Java Jasypt output.
Always verify final encrypted values using actual Jasypt in your Java/Spring project.

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Features

🔐 1. One-Way Encryption (Hashing)

• Produces a non-reversible Base64-encoded HMAC-SHA256 hash.
• Useful for password matching or verification scenarios.
• Similar in behavior to Jasypt’s password-based one-way encryption mechanisms.

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🔒 2. Two-Way Encryption (Reversible)

• Encrypts and decrypts text using AES-256-CBC.
• Uses a password-derived key and a generated IV.
• Allows you to test how reversible encrypted values work conceptually in Jasypt environments.

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✔️ 3. Password Matching

• Given a one-way encrypted hash, the tool can check
  whether a provided plain text matches the original input.
• Helpful for verifying hashed password behavior.

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How to Use

1. Enter plain text you want to encrypt.
2. Choose One-Way (non-reversible) or Two-Way (reversible) encryption.
3. Provide a Secret Key (password) used for encryption or hashing.
4. View the resulting encrypted string or hash.
5. For decryption or matching:

• Enter the encrypted value or hash.
• Provide the same secret key.
• Select Decrypt or Match Password.
• Review the output or match result.

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Jasypt Encryption / Decryption Tool

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When to Use This Tool

This tool is useful when you want to:

• Understand how Jasypt-like encryption works.
• Test one-way hashing before implementing password matching.
• Experiment with reversible encryption concepts such as key-based AES encryption.
• Practice working with encrypted values before applying them in a Spring Boot configuration.
• Validate your workflow before integrating actual Jasypt in production code.

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Related Jasypt Concepts

Common algorithms used in Spring Boot Jasypt

PBEWITHHMACSHA512ANDAES_256
PBEWITHHMACSHA256ANDAES_128

Sample encrypted configuration pattern

Understanding these patterns helps you integrate Jasypt with:

• application.yml / application.properties
• Environment-based encryption keys
• Secure externalized configuration

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Final Notes

This Jasypt-style tool provides a simple environment to experiment with:

• One-way hashing
• Two-way AES encryption
• Password matching
• Base64 ciphertext handling

It is intended for learning, testing, and conceptual understanding.
Always finalize encryption in your Java/Spring Boot environment to ensure true Jasypt compatibility.