Initial import

1 files changed, 136 insertions, 0 deletions

diff --git a/openssl/crypto/evp/e_rc4.c b/openssl/crypto/evp/e_rc4.c
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+++ b/openssl/crypto/evp/e_rc4.c
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+/* 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 <stdio.h>
+#include "cryptlib.h"
+
+#ifndef OPENSSL_NO_RC4
+
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/rc4.h>
+
+/* 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