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EVP_RC5_32_12_16_CBC(3) OpenSSL EVP_RC5_32_12_16_CBC(3)
 

EVP_rc5_32_12_16_cbc, EVP_rc5_32_12_16_cfb, EVP_rc5_32_12_16_cfb64, EVP_rc5_32_12_16_ecb, EVP_rc5_32_12_16_ofb - EVP RC5 cipher

 #include <openssl/evp.h>
 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void)
 const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void)
 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void)
 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void)
 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void)

The RC5 encryption algorithm for EVP.
EVP_rc5_32_12_16_cbc(), EVP_rc5_32_12_16_cfb(), EVP_rc5_32_12_16_cfb64(), EVP_rc5_32_12_16_ecb(), EVP_rc5_32_12_16_ofb()
RC5 encryption algorithm in CBC, CFB, ECB and OFB modes respectively. This is a variable key length cipher with an additional "number of rounds" parameter. By default the key length is set to 128 bits and 12 rounds.

These functions return an EVP_CIPHER structure that contains the implementation of the symmetric cipher. See EVP_CIPHER_meth_new(3) for details of the EVP_CIPHER structure.

Currently the number of rounds in RC5 can only be set to 8, 12 or 16. This is a limitation of the current RC5 code rather than the EVP interface.

evp(7), EVP_EncryptInit(3), EVP_CIPHER_meth_new(3)

Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (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>.
2018-11-20 1.1.1a

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