Blowfish Cipher & Hash Generator
Blowfish is a symmetric-key block cipher designed in 1993, still used in some legacy systems and password-hashing schemes (like bcrypt, which is Blowfish-based). This tool lets you encrypt or decrypt text with a key entirely client-side.
How to Use Blowfish Cipher & Hash Generator
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Configure Parameters: Select key length, character sets, and cost factor.
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Generate Key / Salt: Produce secure random passwords and 22-character cryptographic salts.
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Generate & Verify Hash: Generate modular crypt format hashes ($2b$, $2a$, $2y$) and test password verification.
Frequently Asked Questions
- Is Blowfish still secure for new projects?
- For new systems, AES is generally preferred; Blowfish is mainly relevant for compatibility with existing systems or understanding bcrypt's underlying cipher.
- What does the cost factor mean in bcrypt?
- The cost factor determines 2^cost hashing rounds. A higher cost factor makes brute-force attacks significantly more computationally expensive.
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