Initial import

1 files changed, 126 insertions, 0 deletions

diff --git a/openssl/crypto/evp/e_rc5.c b/openssl/crypto/evp/e_rc5.c
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+++ b/openssl/crypto/evp/e_rc5.c
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+/* 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.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+
+#ifndef OPENSSL_NO_RC5
+
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include "evp_locl.h"
+#include <openssl/rc5.h>
+
+static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+			       const unsigned char *iv,int enc);
+static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
+
+typedef struct
+	{
+	int rounds;	/* number of rounds */
+	RC5_32_KEY ks;	/* key schedule */
+	} EVP_RC5_KEY;
+
+#define data(ctx)	EVP_C_DATA(EVP_RC5_KEY,ctx)
+
+IMPLEMENT_BLOCK_CIPHER(rc5_32_12_16, ks, RC5_32, EVP_RC5_KEY, NID_rc5,
+		       8, RC5_32_KEY_LENGTH, 8, 64,
+		       EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT,
+		       r_32_12_16_init_key, NULL,
+		       NULL, NULL, rc5_ctrl)
+
+static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
+	{
+	switch(type)
+		{
+	case EVP_CTRL_INIT:
+		data(c)->rounds = RC5_12_ROUNDS;
+		return 1;
+
+	case EVP_CTRL_GET_RC5_ROUNDS:
+		*(int *)ptr = data(c)->rounds;
+		return 1;
+			
+	case EVP_CTRL_SET_RC5_ROUNDS:
+		switch(arg)
+			{
+		case RC5_8_ROUNDS:
+		case RC5_12_ROUNDS:
+		case RC5_16_ROUNDS:
+			data(c)->rounds = arg;
+			return 1;
+
+		default:
+			EVPerr(EVP_F_RC5_CTRL, EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS);
+			return 0;
+			}
+
+	default:
+		return -1;
+		}
+	}
+
+static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+			       const unsigned char *iv, int enc)
+	{
+	RC5_32_set_key(&data(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx),
+		       key,data(ctx)->rounds);
+	return 1;
+	}
+
+#endif