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📘 NAME

EVP_CIPHER-IDEA - The IDEA EVP_CIPHER implementations

🚀 Quick Reference

Use Case	Command	Description
Encrypt with IDEA-CBC	openssl enc -idea-cbc -e -in plain.txt -out cipher.enc	Encrypt a file using IDEA in CBC mode
Decrypt with IDEA-CBC	openssl enc -idea-cbc -d -in cipher.enc -out decrypted.txt	Decrypt a file using IDEA in CBC mode
Encrypt with IDEA-ECB	openssl enc -idea-ecb -e -in plain.txt -out cipher.enc	Encrypt a file using IDEA in ECB mode
Encrypt with IDEA-OFB	openssl enc -idea-ofb -e -in plain.txt -out cipher.enc	Encrypt a file using IDEA in OFB mode
Encrypt with IDEA-CFB	openssl enc -idea-cfb -e -in plain.txt -out cipher.enc	Encrypt a file using IDEA in CFB mode

📝 DESCRIPTION

Support for IDEA symmetric encryption using the EVP_CIPHER API.

🔐 Algorithm Names

The following algorithms are available in the legacy provider:

• IDEA-ECB
• IDEA-CBC
• IDEA-OFB or IDEA-OFB64
• IDEA-CFB or IDEA-CFB64

⚙️ 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>.

📘 NAME 🚀 Quick Reference 📝 DESCRIPTION 📚 SEE ALSO 📄 COPYRIGHT