Initial import

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diff --git a/openssl/crypto/evp/e_des3.c b/openssl/crypto/evp/e_des3.c
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+++ b/openssl/crypto/evp/e_des3.c
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+/* 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.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#ifndef OPENSSL_NO_DES
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include "evp_locl.h"
+#include <openssl/des.h>
+#include <openssl/rand.h>
+
+static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+			    const unsigned char *iv,int enc);
+
+static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+			     const unsigned char *iv,int enc);
+
+static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
+
+typedef struct
+    {
+    DES_key_schedule ks1;/* key schedule */
+    DES_key_schedule ks2;/* key schedule (for ede) */
+    DES_key_schedule ks3;/* key schedule (for ede3) */
+    } DES_EDE_KEY;
+
+#define data(ctx) ((DES_EDE_KEY *)(ctx)->cipher_data)
+
+/* 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,
+			      const unsigned char *in, size_t inl)
+{
+	BLOCK_CIPHER_ecb_loop()
+		DES_ecb3_encrypt((const_DES_cblock *)(in + i),
+				 (DES_cblock *)(out + i),
+				 &data(ctx)->ks1, &data(ctx)->ks2,
+				 &data(ctx)->ks3,
+				 ctx->encrypt);
+	return 1;
+}
+
+static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+			      const unsigned char *in, size_t inl)
+{
+	if (inl>=EVP_MAXCHUNK)
+		{
+		DES_ede3_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK,
+			       &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
+			       (DES_cblock *)ctx->iv, &ctx->num);
+		inl-=EVP_MAXCHUNK;
+		in +=EVP_MAXCHUNK;
+		out+=EVP_MAXCHUNK;
+		}
+	if (inl)
+		DES_ede3_ofb64_encrypt(in, out, (long)inl,
+				&data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
+                               (DES_cblock *)ctx->iv, &ctx->num);
+
+	return 1;
+}
+
+static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+			      const unsigned char *in, size_t inl)
+{
+#ifdef KSSL_DEBUG
+	{
+        int i;
+        char *cp;
+	printf("des_ede_cbc_cipher(ctx=%lx, buflen=%d)\n", ctx, ctx->buf_len);
+	printf("\t iv= ");
+        for(i=0;i<8;i++)
+                printf("%02X",ctx->iv[i]);
+	printf("\n");
+	}
+#endif    /* KSSL_DEBUG */
+	if (inl>=EVP_MAXCHUNK)
+		{
+		DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK,
+			     &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
+			     (DES_cblock *)ctx->iv, ctx->encrypt);
+		inl-=EVP_MAXCHUNK;
+		in +=EVP_MAXCHUNK;
+		out+=EVP_MAXCHUNK;
+		}
+	if (inl)
+		DES_ede3_cbc_encrypt(in, out, (long)inl,
+			     &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
+                             (DES_cblock *)ctx->iv, ctx->encrypt);
+	return 1;
+}
+
+static int des_ede_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+			      const unsigned char *in, size_t inl)
+{
+	if (inl>=EVP_MAXCHUNK)
+		{
+		DES_ede3_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK, 
+			       &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
+			       (DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
+		inl-=EVP_MAXCHUNK;
+		in +=EVP_MAXCHUNK;
+		out+=EVP_MAXCHUNK;
+		}
+	if (inl)
+		DES_ede3_cfb64_encrypt(in, out, (long)inl,
+			       &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
+                               (DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
+	return 1;
+}
+
+/* Although we have a CFB-r implementation for 3-DES, it doesn't pack the right
+   way, so wrap it here */
+static int des_ede3_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+				const unsigned char *in, size_t inl)
+    {
+    size_t n;
+    unsigned char c[1],d[1];
+
+    for(n=0 ; n < inl ; ++n)
+	{
+	c[0]=(in[n/8]&(1 << (7-n%8))) ? 0x80 : 0;
+	DES_ede3_cfb_encrypt(c,d,1,1,
+			     &data(ctx)->ks1,&data(ctx)->ks2,&data(ctx)->ks3,
+			     (DES_cblock *)ctx->iv,ctx->encrypt);
+	out[n/8]=(out[n/8]&~(0x80 >> (unsigned int)(n%8))) |
+		 ((d[0]&0x80) >> (unsigned int)(n%8));
+	}
+
+    return 1;
+    }
+
+static int des_ede3_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+				const unsigned char *in, size_t inl)
+    {
+    while (inl>=EVP_MAXCHUNK)
+	{
+	DES_ede3_cfb_encrypt(in,out,8,(long)EVP_MAXCHUNK,
+			 &data(ctx)->ks1,&data(ctx)->ks2,&data(ctx)->ks3,
+			 (DES_cblock *)ctx->iv,ctx->encrypt);
+	inl-=EVP_MAXCHUNK;
+	in +=EVP_MAXCHUNK;
+	out+=EVP_MAXCHUNK;
+	}
+    if (inl)
+	DES_ede3_cfb_encrypt(in,out,8,(long)inl,
+			&data(ctx)->ks1,&data(ctx)->ks2,&data(ctx)->ks3,
+			(DES_cblock *)ctx->iv,ctx->encrypt);
+    return 1;
+    }
+
+BLOCK_CIPHER_defs(des_ede, DES_EDE_KEY, NID_des_ede, 8, 16, 8, 64,
+			EVP_CIPH_RAND_KEY, des_ede_init_key, NULL, 
+			EVP_CIPHER_set_asn1_iv,
+			EVP_CIPHER_get_asn1_iv,
+			des3_ctrl)
+
+#define des_ede3_cfb64_cipher des_ede_cfb64_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_KEY, NID_des_ede3, 8, 24, 8, 64,
+			EVP_CIPH_RAND_KEY, des_ede3_init_key, NULL, 
+			EVP_CIPHER_set_asn1_iv,
+			EVP_CIPHER_get_asn1_iv,
+			des3_ctrl)
+
+BLOCK_CIPHER_def_cfb(des_ede3,DES_EDE_KEY,NID_des_ede3,24,8,1,
+		     EVP_CIPH_RAND_KEY, des_ede3_init_key,NULL,
+		     EVP_CIPHER_set_asn1_iv,
+		     EVP_CIPHER_get_asn1_iv,
+		     des3_ctrl)
+
+BLOCK_CIPHER_def_cfb(des_ede3,DES_EDE_KEY,NID_des_ede3,24,8,8,
+		     EVP_CIPH_RAND_KEY, des_ede3_init_key,NULL,
+		     EVP_CIPHER_set_asn1_iv,
+		     EVP_CIPHER_get_asn1_iv,
+		     des3_ctrl)
+
+static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+			    const unsigned char *iv, int enc)
+	{
+	DES_cblock *deskey = (DES_cblock *)key;
+#ifdef EVP_CHECK_DES_KEY
+	if (DES_set_key_checked(&deskey[0],&data(ctx)->ks1)
+		!! DES_set_key_checked(&deskey[1],&data(ctx)->ks2))
+		return 0;
+#else
+	DES_set_key_unchecked(&deskey[0],&data(ctx)->ks1);
+	DES_set_key_unchecked(&deskey[1],&data(ctx)->ks2);
+#endif
+	memcpy(&data(ctx)->ks3,&data(ctx)->ks1,
+	       sizeof(data(ctx)->ks1));
+	return 1;
+	}
+
+static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+			     const unsigned char *iv, int enc)
+	{
+	DES_cblock *deskey = (DES_cblock *)key;
+#ifdef KSSL_DEBUG
+	{
+        int i;
+        printf("des_ede3_init_key(ctx=%lx)\n", ctx);
+	printf("\tKEY= ");
+        for(i=0;i<24;i++) printf("%02X",key[i]); printf("\n");
+	printf("\t IV= ");
+        for(i=0;i<8;i++) printf("%02X",iv[i]); printf("\n");
+	}
+#endif	/* KSSL_DEBUG */
+
+#ifdef EVP_CHECK_DES_KEY
+	if (DES_set_key_checked(&deskey[0],&data(ctx)->ks1)
+		|| DES_set_key_checked(&deskey[1],&data(ctx)->ks2)
+		|| DES_set_key_checked(&deskey[2],&data(ctx)->ks3))
+		return 0;
+#else
+	DES_set_key_unchecked(&deskey[0],&data(ctx)->ks1);
+	DES_set_key_unchecked(&deskey[1],&data(ctx)->ks2);
+	DES_set_key_unchecked(&deskey[2],&data(ctx)->ks3);
+#endif
+	return 1;
+	}
+
+static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
+	{
+
+	DES_cblock *deskey = ptr;
+
+	switch(type)
+		{
+	case EVP_CTRL_RAND_KEY:
+		if (RAND_bytes(ptr, c->key_len) <= 0)
+			return 0;
+		DES_set_odd_parity(deskey);
+		if (c->key_len >= 16)
+			DES_set_odd_parity(deskey + 1);
+		if (c->key_len >= 24)
+			DES_set_odd_parity(deskey + 2);
+		return 1;
+
+	default:
+		return -1;
+		}
+	}
+
+const EVP_CIPHER *EVP_des_ede(void)
+{
+	return &des_ede_ecb;
+}
+
+const EVP_CIPHER *EVP_des_ede3(void)
+{
+	return &des_ede3_ecb;
+}
+#endif