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🐟 EVP_CIPHER-BLOWFISH(7SSL)

📛 NAME

EVP_CIPHER-BLOWFISH - The BLOBFISH EVP_CIPHER implementations

🚀 Quick Reference

Use Case	Command	Description
🔐 Encrypt file with BF-CBC	openssl enc -bf-cbc -in plain.txt -out encrypted.enc	Encrypt a file using Blowfish in CBC mode (legacy provider)
🔓 Decrypt file with BF-CBC	openssl enc -d -bf-cbc -in encrypted.enc -out plain.txt	Decrypt a file encrypted with Blowfish CBC
📋 List available Blowfish ciphers	openssl list -cipher-algorithms | grep BF	Show all Blowfish variants available in the legacy provider
💻 Programmatic encryption (EVP API)	EVP_CipherInit_ex(ctx, EVP_bf_cbc(), NULL, key, iv, 1)	Initialize an EVP cipher context for Blowfish CBC encryption

📖 DESCRIPTION

Support for BLOWFISH symmetric encryption using the EVP_CIPHER API.

🔑 Algorithm Names

The following algorithms are available in the legacy provider:

• BF-ECB
• BF-CBC
• BF-OFB
• BF-CFB

⚙️ Parameters

This implementation supports the parameters described in "PARAMETERS" in EVP_EncryptInit(3).

👁️ SEE ALSO

• provider-cipher(7)
• OSSL_PROVIDER-legacy(7)

©️ COPYRIGHT

Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at https://www.openssl.org/source/license.html.

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3.0.2 2026-06-02 EVP_CIPHER-BLOWFISH(7SSL)

🐟 EVP_CIPHER-BLOWFISH(7SSL) 📛 NAME 🚀 Quick Reference 📖 DESCRIPTION 👁️ SEE ALSO ©️ COPYRIGHT