EVP_CIPHER-SEED - The SEED EVP_CIPHER implementations

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>. 3.5.0 2025-06-04 EVP_CIPHER-SEED(7SSL)

Support for SEED symmetric encryption using the EVP_CIPHER API. AlgorithmNames The following algorithms are available in the legacy provider: "SEED-CBC" or "SEED" "SEED-ECB" "SEED-OFB" or "SEED-OFB128" "SEED-CFB" or "SEED-CFB128" Parameters This implementation supports the parameters described in "PARAMETERS" in EVP_EncryptInit(3).

EVP_CIPHER-SEED - The SEED EVP_CIPHER implementations

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