1EVP_RC4(3)                          OpenSSL                         EVP_RC4(3)
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NAME

6       EVP_rc4, EVP_rc4_40, EVP_rc4_hmac_md5 - EVP RC4 stream cipher
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SYNOPSIS

9        #include <openssl/evp.h>
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11        const EVP_CIPHER *EVP_rc4(void)
12        const EVP_CIPHER *EVP_rc4_40(void)
13        const EVP_CIPHER *EVP_rc4_hmac_md5(void)
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DESCRIPTION

16       The RC4 stream cipher for EVP.
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18       EVP_rc4()
19           RC4 stream cipher. This is a variable key length cipher with a
20           default key length of 128 bits.
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22       EVP_rc4_40()
23           RC4 stream cipher with 40 bit key length.
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25           WARNING: this function is obsolete. Its usage should be replaced
26           with the EVP_rc4() and the EVP_CIPHER_CTX_set_key_length()
27           functions.
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29       EVP_rc4_hmac_md5()
30           Authenticated encryption with the RC4 stream cipher with MD5 as
31           HMAC.
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33           WARNING: this is not intended for usage outside of TLS and requires
34           calling of some undocumented ctrl functions. These ciphers do not
35           conform to the EVP AEAD interface.
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RETURN VALUES

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

43       evp(7), EVP_EncryptInit(3), EVP_CIPHER_meth_new(3)
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46       Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
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48       Licensed under the OpenSSL license (the "License").  You may not use
49       this file except in compliance with the License.  You can obtain a copy
50       in the file LICENSE in the source distribution or at
51       <https://www.openssl.org/source/license.html>.
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551.1.1d                            2019-10-03                        EVP_RC4(3)
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