diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2000-05-30 02:10:57 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2000-05-30 02:10:57 +0000 |
commit | 57ae2e242878b87a36bbc529e1b6432584fc93db (patch) | |
tree | c16cc1918cbdeb5e5615564c6fed4caffbdabcf6 /crypto/evp/e_rc5.c | |
parent | 380d3aa6be877560888c6cd69d7eba20b5883441 (diff) |
Fourth phase EVP revision.
Declare ciphers in terms of macros. This reduces
the amount of code and places each block cipher EVP
definition in a single file instead of being spread
over 4 files.
Diffstat (limited to 'crypto/evp/e_rc5.c')
-rw-r--r-- | crypto/evp/e_rc5.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/crypto/evp/e_rc5.c b/crypto/evp/e_rc5.c new file mode 100644 index 0000000000..3998e0c6c8 --- /dev/null +++ b/crypto/evp/e_rc5.c @@ -0,0 +1,118 @@ +/* crypto/evp/e_rc5.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.] + */ + +#ifndef NO_RC5 + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/evp.h> +#include <openssl/objects.h> +#include "evp_locl.h" + +static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key, + unsigned char *iv,int enc); + +IMPLEMENT_BLOCK_CIPHER(rc5_32_12_16, rc5.ks, RC5_32, rc5, NID_rc5, + 8, EVP_RC5_32_12_16_KEY_SIZE, 8, + 0, r_32_12_16_init_key, NULL, + NULL, NULL, NULL) + +#if 0 +static int r_32_12_16_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + unsigned char *in, unsigned int inl); +static EVP_CIPHER rc5_32_12_16_cbc_cipher= + { + NID_rc5_cbc, + 8,EVP_RC5_32_12_16_KEY_SIZE,8, + EVP_CIPH_CBC_MODE, + r_32_12_16_cbc_init_key, + r_32_12_16_cbc_cipher, + NULL, + sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+ + sizeof((((EVP_CIPHER_CTX *)NULL)->c.rc5)), + NULL, + NULL, + NULL + }; + +EVP_CIPHER *EVP_rc5_32_12_16_cbc(void) + { + return(&rc5_32_12_16_cbc_cipher); + } +#endif + +static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key, + unsigned char *iv, int enc) + { + RC5_32_set_key(&(ctx->c.rc5.ks),EVP_RC5_32_12_16_KEY_SIZE, + key,RC5_12_ROUNDS); + return 1; + } +#if 0 +static int r_32_12_16_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + unsigned char *in, unsigned int inl) + { + RC5_32_cbc_encrypt( + in,out,(long)inl, + &(ctx->c.rc5.ks),&(ctx->iv[0]), + ctx->encrypt); + return 1; + } +#endif + +#endif |