1=pod 2 3=head1 NAME 4 5EVP_rc5_32_12_16_cbc, 6EVP_rc5_32_12_16_cfb, 7EVP_rc5_32_12_16_cfb64, 8EVP_rc5_32_12_16_ecb, 9EVP_rc5_32_12_16_ofb 10- EVP RC5 cipher 11 12=head1 SYNOPSIS 13 14 #include <openssl/evp.h> 15 16 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void) 17 const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void) 18 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void) 19 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void) 20 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void) 21 22=head1 DESCRIPTION 23 24The RC5 encryption algorithm for EVP. 25 26=over 4 27 28=item EVP_rc5_32_12_16_cbc(), 29EVP_rc5_32_12_16_cfb(), 30EVP_rc5_32_12_16_cfb64(), 31EVP_rc5_32_12_16_ecb(), 32EVP_rc5_32_12_16_ofb() 33 34RC5 encryption algorithm in CBC, CFB, ECB and OFB modes respectively. This is a 35variable key length cipher with an additional "number of rounds" parameter. By 36default the key length is set to 128 bits and 12 rounds. 37 38=back 39 40=head1 RETURN VALUES 41 42These functions return an B<EVP_CIPHER> structure that contains the 43implementation of the symmetric cipher. See L<EVP_CIPHER_meth_new(3)> for 44details of the B<EVP_CIPHER> structure. 45 46=head1 BUGS 47 48Currently the number of rounds in RC5 can only be set to 8, 12 or 16. 49This is a limitation of the current RC5 code rather than the EVP interface. 50 51=head1 SEE ALSO 52 53L<evp(7)>, 54L<EVP_EncryptInit(3)>, 55L<EVP_CIPHER_meth_new(3)> 56 57=head1 COPYRIGHT 58 59Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved. 60 61Licensed under the OpenSSL license (the "License"). You may not use 62this file except in compliance with the License. You can obtain a copy 63in the file LICENSE in the source distribution or at 64L<https://www.openssl.org/source/license.html>. 65 66=cut 67 68