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										 |  |  | =pod | 
					
						
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							|  |  |  | =head1 NAME | 
					
						
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							|  |  |  | EVP_bf_cbc, | 
					
						
							|  |  |  | EVP_bf_cfb, | 
					
						
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										 |  |  | EVP_bf_cfb64, | 
					
						
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										 |  |  | EVP_bf_ecb, | 
					
						
							|  |  |  | EVP_bf_ofb | 
					
						
							|  |  |  | - EVP Blowfish cipher | 
					
						
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							|  |  |  | =head1 SYNOPSIS | 
					
						
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							|  |  |  |  #include <openssl/evp.h> | 
					
						
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										 |  |  |  const EVP_CIPHER *EVP_bf_cbc(void); | 
					
						
							|  |  |  |  const EVP_CIPHER *EVP_bf_cfb(void); | 
					
						
							|  |  |  |  const EVP_CIPHER *EVP_bf_cfb64(void); | 
					
						
							|  |  |  |  const EVP_CIPHER *EVP_bf_ecb(void); | 
					
						
							|  |  |  |  const EVP_CIPHER *EVP_bf_ofb(void); | 
					
						
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							|  |  |  | =head1 DESCRIPTION | 
					
						
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							|  |  |  | The Blowfish encryption algorithm for EVP. | 
					
						
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							|  |  |  | This is a variable key length cipher. | 
					
						
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							|  |  |  | =over 4 | 
					
						
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							|  |  |  | =item EVP_bf_cbc(), | 
					
						
							|  |  |  | EVP_bf_cfb(), | 
					
						
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										 |  |  | EVP_bf_cfb64(), | 
					
						
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										 |  |  | EVP_bf_ecb(), | 
					
						
							|  |  |  | EVP_bf_ofb() | 
					
						
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							|  |  |  | Blowfish encryption algorithm in CBC, CFB, ECB and OFB modes respectively. | 
					
						
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							|  |  |  | =back | 
					
						
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										 |  |  | =head1 NOTES | 
					
						
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							|  |  |  | Developers should be aware of the negative performance implications of | 
					
						
							|  |  |  | calling these functions multiple times and should consider using | 
					
						
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										 |  |  | L<EVP_CIPHER_fetch(3)> with L<EVP_CIPHER-BLOWFISH(7)> instead. | 
					
						
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										 |  |  | See L<crypto(7)/Performance> for further information. | 
					
						
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										 |  |  | =head1 RETURN VALUES | 
					
						
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							|  |  |  | These functions return an B<EVP_CIPHER> structure that contains the | 
					
						
							|  |  |  | implementation of the symmetric cipher. See L<EVP_CIPHER_meth_new(3)> for | 
					
						
							|  |  |  | details of the B<EVP_CIPHER> structure. | 
					
						
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							|  |  |  | =head1 SEE ALSO | 
					
						
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							|  |  |  | L<evp(7)>, | 
					
						
							|  |  |  | L<EVP_EncryptInit(3)>, | 
					
						
							|  |  |  | L<EVP_CIPHER_meth_new(3)> | 
					
						
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							|  |  |  | =head1 COPYRIGHT | 
					
						
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										 |  |  | Copyright 2017-2023 The OpenSSL Project Authors. All Rights Reserved. | 
					
						
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										 |  |  | Licensed under the Apache License 2.0 (the "License").  You may not use | 
					
						
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										 |  |  | this file except in compliance with the License.  You can obtain a copy | 
					
						
							|  |  |  | in the file LICENSE in the source distribution or at | 
					
						
							|  |  |  | L<https://www.openssl.org/source/license.html>. | 
					
						
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							|  |  |  | =cut |