From 422196759f93df249db38619f136cabd5dcf42cd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= Date: Wed, 12 Oct 2016 23:06:17 +0200 Subject: openssl: Move to a module and split thirdparty lib Same rationale as the previous commits. --- thirdparty/openssl/crypto/evp/e_rc4.c | 133 ++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 thirdparty/openssl/crypto/evp/e_rc4.c (limited to 'thirdparty/openssl/crypto/evp/e_rc4.c') diff --git a/thirdparty/openssl/crypto/evp/e_rc4.c b/thirdparty/openssl/crypto/evp/e_rc4.c new file mode 100644 index 0000000000..08e48f391d --- /dev/null +++ b/thirdparty/openssl/crypto/evp/e_rc4.c @@ -0,0 +1,133 @@ +/* crypto/evp/e_rc4.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include +#include "cryptlib.h" + +#ifndef OPENSSL_NO_RC4 + +# include +# include "evp_locl.h" +# include +# include + +/* FIXME: surely this is available elsewhere? */ +# define EVP_RC4_KEY_SIZE 16 + +typedef struct { + RC4_KEY ks; /* working key */ +} EVP_RC4_KEY; + +# define data(ctx) ((EVP_RC4_KEY *)(ctx)->cipher_data) + +static int rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc); +static int rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl); +static const EVP_CIPHER r4_cipher = { + NID_rc4, + 1, EVP_RC4_KEY_SIZE, 0, + EVP_CIPH_VARIABLE_LENGTH, + rc4_init_key, + rc4_cipher, + NULL, + sizeof(EVP_RC4_KEY), + NULL, + NULL, + NULL, + NULL +}; + +static const EVP_CIPHER r4_40_cipher = { + NID_rc4_40, + 1, 5 /* 40 bit */ , 0, + EVP_CIPH_VARIABLE_LENGTH, + rc4_init_key, + rc4_cipher, + NULL, + sizeof(EVP_RC4_KEY), + NULL, + NULL, + NULL, + NULL +}; + +const EVP_CIPHER *EVP_rc4(void) +{ + return (&r4_cipher); +} + +const EVP_CIPHER *EVP_rc4_40(void) +{ + return (&r4_40_cipher); +} + +static int rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc) +{ + RC4_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx), key); + return 1; +} + +static int rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl) +{ + RC4(&data(ctx)->ks, inl, in, out); + return 1; +} +#endif -- cgit v1.2.3