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.

1 files changed, 161 insertions, 0 deletions

diff --git a/crypto/evp/e_des3.c b/crypto/evp/e_des3.c
new file mode 100644
index 0000000000..c11c2b6856
--- /dev/null
+++ b/crypto/evp/e_des3.c
@@ -0,0 +1,161 @@
+/* crypto/evp/e_des3.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_DES
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include "evp_locl.h"
+
+static int des_ede_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
+	unsigned char *iv,int enc);
+
+static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
+	unsigned char *iv,int enc);
+
+/* Because of various casts and different args can't use IMPLEMENT_BLOCK_CIPHER */
+
+static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
+{
+	BLOCK_CIPHER_ecb_loop()
+		des_ecb3_encrypt((des_cblock *)(in + i), (des_cblock *)(out + i), 
+			ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
+			 ctx->encrypt);
+	return 1;
+}
+
+static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
+{
+	des_ede3_ofb64_encrypt(in, out, (long)inl,
+			ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
+								(des_cblock *)ctx->iv, &ctx->num);
+	return 1;
+}
+
+static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
+{
+	des_ede3_cbc_encrypt(in, out, (long)inl,
+			ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
+ 								(des_cblock *)ctx->iv, ctx->encrypt);
+	return 1;
+}
+
+static int des_ede_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
+{
+	des_ede3_cfb64_encrypt(in, out, (long)inl, 
+			ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
+					(des_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
+	return 1;
+}
+
+#define NID_des_ede_ecb NID_des_ede
+
+BLOCK_CIPHER_defs(des_ede, des_ede, NID_des_ede, 8, 16, 8,
+			0, des_ede_init_key, NULL, 
+			EVP_CIPHER_set_asn1_iv,
+			EVP_CIPHER_get_asn1_iv,
+			NULL)
+
+#define NID_des_ede3_ecb NID_des_ede3
+#define des_ede3_cfb_cipher des_ede_cfb_cipher
+#define des_ede3_ofb_cipher des_ede_ofb_cipher
+#define des_ede3_cbc_cipher des_ede_cbc_cipher
+#define des_ede3_ecb_cipher des_ede_ecb_cipher
+
+BLOCK_CIPHER_defs(des_ede3, des_ede, NID_des_ede3, 8, 24, 8,
+			0, des_ede3_init_key, NULL, 
+			EVP_CIPHER_set_asn1_iv,
+			EVP_CIPHER_get_asn1_iv,
+			NULL)
+
+static int des_ede_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
+	     unsigned char *iv, int enc)
+	{
+	des_cblock *deskey = (des_cblock *)key;
+
+	des_set_key_unchecked(&deskey[0],ctx->c.des_ede.ks1);
+	des_set_key_unchecked(&deskey[1],ctx->c.des_ede.ks2);
+	memcpy( (char *)ctx->c.des_ede.ks3,
+			(char *)ctx->c.des_ede.ks1,
+			sizeof(ctx->c.des_ede.ks1));
+	return 1;
+	}
+
+static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
+	     unsigned char *iv, int enc)
+	{
+	des_cblock *deskey = (des_cblock *)key;
+
+	des_set_key_unchecked(&deskey[0],ctx->c.des_ede.ks1);
+	des_set_key_unchecked(&deskey[1],ctx->c.des_ede.ks2);
+	des_set_key_unchecked(&deskey[2],ctx->c.des_ede.ks3);
+
+	return 1;
+	}
+
+EVP_CIPHER *EVP_des_ede(void)
+{
+	return &des_ede_ecb;
+}
+
+EVP_CIPHER *EVP_des_ede3(void)
+{
+	return &des_ede3_ecb;
+}
+#endif