crypto/evp/e_des3.c - third_party/openssl - Git at Google

 /* 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>

 typedef struct {
     union {
         double align;
         DES_key_schedule ks[3];
     } ks;
     union {
         void (*cbc) (const void *, void *, size_t, const void *, void *);
     } stream;
 } DES_EDE_KEY;
 # define ks1 ks.ks[0]
 # define ks2 ks.ks[1]
 # define ks3 ks.ks[2]

 # if defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
 /* ---------^^^ this is not a typo, just a way to detect that
  * assembler support was in general requested... */
 #  include "sparc_arch.h"

 extern unsigned int OPENSSL_sparcv9cap_P[];

 #  define SPARC_DES_CAPABLE       (OPENSSL_sparcv9cap_P[1] & CFR_DES)

 void des_t4_key_expand(const void *key, DES_key_schedule *ks);
 void des_t4_ede3_cbc_encrypt(const void *inp, void *out, size_t len,
                              DES_key_schedule *ks, unsigned char iv[8]);
 void des_t4_ede3_cbc_decrypt(const void *inp, void *out, size_t len,
                              DES_key_schedule *ks, unsigned char iv[8]);
 # endif

 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);

 # 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)
 {
     while (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)
 {
     DES_EDE_KEY *dat = data(ctx);

 # ifdef KSSL_DEBUG
     {
         int i;
         fprintf(stderr, "des_ede_cbc_cipher(ctx=%p, buflen=%d)\n", ctx,
                 ctx->buf_len);
         fprintf(stderr, "\t iv= ");
         for (i = 0; i < 8; i++)
             fprintf(stderr, "%02X", ctx->iv[i]);
         fprintf(stderr, "\n");
     }
 # endif                         /* KSSL_DEBUG */
     if (dat->stream.cbc) {
         (*dat->stream.cbc) (in, out, inl, &dat->ks, ctx->iv);
         return 1;
     }

     while (inl >= EVP_MAXCHUNK) {
         DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK,
                              &dat->ks1, &dat->ks2, &dat->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,
                              &dat->ks1, &dat->ks2, &dat->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)
 {
     while (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 | EVP_CIPH_FLAG_DEFAULT_ASN1,
                   des_ede_init_key, NULL, NULL, NULL, 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 | EVP_CIPH_FLAG_DEFAULT_ASN1,
                   des_ede3_init_key, NULL, NULL, NULL, des3_ctrl)

     BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 1,
                      EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_DEFAULT_ASN1,
                      des_ede3_init_key, NULL, NULL, NULL, des3_ctrl)

     BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 8,
                      EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_DEFAULT_ASN1,
                      des_ede3_init_key, NULL, NULL, NULL, 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;
     DES_EDE_KEY *dat = data(ctx);

     dat->stream.cbc = NULL;
 # if defined(SPARC_DES_CAPABLE)
     if (SPARC_DES_CAPABLE) {
         int mode = ctx->cipher->flags & EVP_CIPH_MODE;

         if (mode == EVP_CIPH_CBC_MODE) {
             des_t4_key_expand(&deskey[0], &dat->ks1);
             des_t4_key_expand(&deskey[1], &dat->ks2);
             memcpy(&dat->ks3, &dat->ks1, sizeof(dat->ks1));
             dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt :
                 des_t4_ede3_cbc_decrypt;
             return 1;
         }
     }
 # endif
 # ifdef EVP_CHECK_DES_KEY
     if (DES_set_key_checked(&deskey[0], &dat->ks1)
         ! !DES_set_key_checked(&deskey[1], &dat->ks2))
         return 0;
 # else
     DES_set_key_unchecked(&deskey[0], &dat->ks1);
     DES_set_key_unchecked(&deskey[1], &dat->ks2);
 # endif
     memcpy(&dat->ks3, &dat->ks1, sizeof(dat->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;
     DES_EDE_KEY *dat = data(ctx);

 # ifdef KSSL_DEBUG
     {
         int i;
         fprintf(stderr, "des_ede3_init_key(ctx=%p)\n", ctx);
         fprintf(stderr, "\tKEY= ");
         for (i = 0; i < 24; i++)
             fprintf(stderr, "%02X", key[i]);
         fprintf(stderr, "\n");
         if (iv) {
             fprintf(stderr, "\t IV= ");
             for (i = 0; i < 8; i++)
                 fprintf(stderr, "%02X", iv[i]);
             fprintf(stderr, "\n");
         }
     }
 # endif                         /* KSSL_DEBUG */

     dat->stream.cbc = NULL;
 # if defined(SPARC_DES_CAPABLE)
     if (SPARC_DES_CAPABLE) {
         int mode = ctx->cipher->flags & EVP_CIPH_MODE;

         if (mode == EVP_CIPH_CBC_MODE) {
             des_t4_key_expand(&deskey[0], &dat->ks1);
             des_t4_key_expand(&deskey[1], &dat->ks2);
             des_t4_key_expand(&deskey[2], &dat->ks3);
             dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt :
                 des_t4_ede3_cbc_decrypt;
             return 1;
         }
     }
 # endif
 # ifdef EVP_CHECK_DES_KEY
     if (DES_set_key_checked(&deskey[0], &dat->ks1)
         || DES_set_key_checked(&deskey[1], &dat->ks2)
         || DES_set_key_checked(&deskey[2], &dat->ks3))
         return 0;
 # else
     DES_set_key_unchecked(&deskey[0], &dat->ks1);
     DES_set_key_unchecked(&deskey[1], &dat->ks2);
     DES_set_key_unchecked(&deskey[2], &dat->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;
 }

 # ifndef OPENSSL_NO_SHA

 #  include <openssl/sha.h>

 static const unsigned char wrap_iv[8] =
     { 0x4a, 0xdd, 0xa2, 0x2c, 0x79, 0xe8, 0x21, 0x05 };

 static int des_ede3_unwrap(EVP_CIPHER_CTX *ctx, unsigned char *out,
                            const unsigned char *in, size_t inl)
 {
     unsigned char icv[8], iv[8], sha1tmp[SHA_DIGEST_LENGTH];
     int rv = -1;
     if (inl < 24)
         return -1;
     if (!out)
         return inl - 16;
     memcpy(ctx->iv, wrap_iv, 8);
     /* Decrypt first block which will end up as icv */
     des_ede_cbc_cipher(ctx, icv, in, 8);
     /* Decrypt central blocks */
     /*
      * If decrypting in place move whole output along a block so the next
      * des_ede_cbc_cipher is in place.
      */
     if (out == in) {
         memmove(out, out + 8, inl - 8);
         in -= 8;
     }
     des_ede_cbc_cipher(ctx, out, in + 8, inl - 16);
     /* Decrypt final block which will be IV */
     des_ede_cbc_cipher(ctx, iv, in + inl - 8, 8);
     /* Reverse order of everything */
     BUF_reverse(icv, NULL, 8);
     BUF_reverse(out, NULL, inl - 16);
     BUF_reverse(ctx->iv, iv, 8);
     /* Decrypt again using new IV */
     des_ede_cbc_cipher(ctx, out, out, inl - 16);
     des_ede_cbc_cipher(ctx, icv, icv, 8);
     /* Work out SHA1 hash of first portion */
     SHA1(out, inl - 16, sha1tmp);

     if (!CRYPTO_memcmp(sha1tmp, icv, 8))
         rv = inl - 16;
     OPENSSL_cleanse(icv, 8);
     OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
     OPENSSL_cleanse(iv, 8);
     OPENSSL_cleanse(ctx->iv, 8);
     if (rv == -1)
         OPENSSL_cleanse(out, inl - 16);

     return rv;
 }

 static int des_ede3_wrap(EVP_CIPHER_CTX *ctx, unsigned char *out,
                          const unsigned char *in, size_t inl)
 {
     unsigned char sha1tmp[SHA_DIGEST_LENGTH];
     if (!out)
         return inl + 16;
     /* Copy input to output buffer + 8 so we have space for IV */
     memmove(out + 8, in, inl);
     /* Work out ICV */
     SHA1(in, inl, sha1tmp);
     memcpy(out + inl + 8, sha1tmp, 8);
     OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
     /* Generate random IV */
     RAND_bytes(ctx->iv, 8);
     memcpy(out, ctx->iv, 8);
     /* Encrypt everything after IV in place */
     des_ede_cbc_cipher(ctx, out + 8, out + 8, inl + 8);
     BUF_reverse(out, NULL, inl + 16);
     memcpy(ctx->iv, wrap_iv, 8);
     des_ede_cbc_cipher(ctx, out, out, inl + 16);
     return inl + 16;
 }

 static int des_ede3_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
                                 const unsigned char *in, size_t inl)
 {
     /*
      * Sanity check input length: we typically only wrap keys so EVP_MAXCHUNK
      * is more than will ever be needed. Also input length must be a multiple
      * of 8 bits.
      */
     if (inl >= EVP_MAXCHUNK || inl % 8)
         return -1;
     if (ctx->encrypt)
         return des_ede3_wrap(ctx, out, in, inl);
     else
         return des_ede3_unwrap(ctx, out, in, inl);
 }

 static const EVP_CIPHER des3_wrap = {
     NID_id_smime_alg_CMS3DESwrap,
     8, 24, 0,
     EVP_CIPH_WRAP_MODE | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER
         | EVP_CIPH_FLAG_DEFAULT_ASN1,
     des_ede3_init_key, des_ede3_wrap_cipher,
     NULL,
     sizeof(DES_EDE_KEY),
     NULL, NULL, NULL, NULL
 };

 const EVP_CIPHER *EVP_des_ede3_wrap(void)
 {
     return &des3_wrap;
 }

 # endif
 #endif
	/* 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>

	typedef struct {
	union {
	double align;
	DES_key_schedule ks[3];
	} ks;
	union {
	void (cbc) (const void , void , size_t, const void , void *);
	} stream;
	} DES_EDE_KEY;
	# define ks1 ks.ks[0]
	# define ks2 ks.ks[1]
	# define ks3 ks.ks[2]

	# if defined(AES_ASM) && (defined(__sparc) \|\| defined(__sparc__))
	/* ---------^^^ this is not a typo, just a way to detect that
	* assembler support was in general requested... */
	# include "sparc_arch.h"

	extern unsigned int OPENSSL_sparcv9cap_P[];

	# define SPARC_DES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_DES)

	void des_t4_key_expand(const void key, DES_key_schedule ks);
	void des_t4_ede3_cbc_encrypt(const void inp, void out, size_t len,
	DES_key_schedule *ks, unsigned char iv[8]);
	void des_t4_ede3_cbc_decrypt(const void inp, void out, size_t len,
	DES_key_schedule *ks, unsigned char iv[8]);
	# endif

	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);

	# 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)
	{
	while (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)
	{
	DES_EDE_KEY *dat = data(ctx);

	# ifdef KSSL_DEBUG
	{
	int i;
	fprintf(stderr, "des_ede_cbc_cipher(ctx=%p, buflen=%d)\n", ctx,
	ctx->buf_len);
	fprintf(stderr, "\t iv= ");
	for (i = 0; i < 8; i++)
	fprintf(stderr, "%02X", ctx->iv[i]);
	fprintf(stderr, "\n");
	}
	# endif /* KSSL_DEBUG */
	if (dat->stream.cbc) {
	(*dat->stream.cbc) (in, out, inl, &dat->ks, ctx->iv);
	return 1;
	}

	while (inl >= EVP_MAXCHUNK) {
	DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK,
	&dat->ks1, &dat->ks2, &dat->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,
	&dat->ks1, &dat->ks2, &dat->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)
	{
	while (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 \| EVP_CIPH_FLAG_DEFAULT_ASN1,
	des_ede_init_key, NULL, NULL, NULL, 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 \| EVP_CIPH_FLAG_DEFAULT_ASN1,
	des_ede3_init_key, NULL, NULL, NULL, des3_ctrl)

	BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 1,
	EVP_CIPH_RAND_KEY \| EVP_CIPH_FLAG_DEFAULT_ASN1,
	des_ede3_init_key, NULL, NULL, NULL, des3_ctrl)

	BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 8,
	EVP_CIPH_RAND_KEY \| EVP_CIPH_FLAG_DEFAULT_ASN1,
	des_ede3_init_key, NULL, NULL, NULL, 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;
	DES_EDE_KEY *dat = data(ctx);

	dat->stream.cbc = NULL;
	# if defined(SPARC_DES_CAPABLE)
	if (SPARC_DES_CAPABLE) {
	int mode = ctx->cipher->flags & EVP_CIPH_MODE;

	if (mode == EVP_CIPH_CBC_MODE) {
	des_t4_key_expand(&deskey[0], &dat->ks1);
	des_t4_key_expand(&deskey[1], &dat->ks2);
	memcpy(&dat->ks3, &dat->ks1, sizeof(dat->ks1));
	dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt :
	des_t4_ede3_cbc_decrypt;
	return 1;
	}
	}
	# endif
	# ifdef EVP_CHECK_DES_KEY
	if (DES_set_key_checked(&deskey[0], &dat->ks1)
	! !DES_set_key_checked(&deskey[1], &dat->ks2))
	return 0;
	# else
	DES_set_key_unchecked(&deskey[0], &dat->ks1);
	DES_set_key_unchecked(&deskey[1], &dat->ks2);
	# endif
	memcpy(&dat->ks3, &dat->ks1, sizeof(dat->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;
	DES_EDE_KEY *dat = data(ctx);

	# ifdef KSSL_DEBUG
	{
	int i;
	fprintf(stderr, "des_ede3_init_key(ctx=%p)\n", ctx);
	fprintf(stderr, "\tKEY= ");
	for (i = 0; i < 24; i++)
	fprintf(stderr, "%02X", key[i]);
	fprintf(stderr, "\n");
	if (iv) {
	fprintf(stderr, "\t IV= ");
	for (i = 0; i < 8; i++)
	fprintf(stderr, "%02X", iv[i]);
	fprintf(stderr, "\n");
	}
	}
	# endif /* KSSL_DEBUG */

	dat->stream.cbc = NULL;
	# if defined(SPARC_DES_CAPABLE)
	if (SPARC_DES_CAPABLE) {
	int mode = ctx->cipher->flags & EVP_CIPH_MODE;

	if (mode == EVP_CIPH_CBC_MODE) {
	des_t4_key_expand(&deskey[0], &dat->ks1);
	des_t4_key_expand(&deskey[1], &dat->ks2);
	des_t4_key_expand(&deskey[2], &dat->ks3);
	dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt :
	des_t4_ede3_cbc_decrypt;
	return 1;
	}
	}
	# endif
	# ifdef EVP_CHECK_DES_KEY
	if (DES_set_key_checked(&deskey[0], &dat->ks1)
	\|\| DES_set_key_checked(&deskey[1], &dat->ks2)
	\|\| DES_set_key_checked(&deskey[2], &dat->ks3))
	return 0;
	# else
	DES_set_key_unchecked(&deskey[0], &dat->ks1);
	DES_set_key_unchecked(&deskey[1], &dat->ks2);
	DES_set_key_unchecked(&deskey[2], &dat->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;
	}

	# ifndef OPENSSL_NO_SHA

	# include <openssl/sha.h>

	static const unsigned char wrap_iv[8] =
	{ 0x4a, 0xdd, 0xa2, 0x2c, 0x79, 0xe8, 0x21, 0x05 };

	static int des_ede3_unwrap(EVP_CIPHER_CTX ctx, unsigned char out,
	const unsigned char *in, size_t inl)
	{
	unsigned char icv[8], iv[8], sha1tmp[SHA_DIGEST_LENGTH];
	int rv = -1;
	if (inl < 24)
	return -1;
	if (!out)
	return inl - 16;
	memcpy(ctx->iv, wrap_iv, 8);
	/* Decrypt first block which will end up as icv */
	des_ede_cbc_cipher(ctx, icv, in, 8);
	/* Decrypt central blocks */
	/*
	* If decrypting in place move whole output along a block so the next
	* des_ede_cbc_cipher is in place.
	*/
	if (out == in) {
	memmove(out, out + 8, inl - 8);
	in -= 8;
	}
	des_ede_cbc_cipher(ctx, out, in + 8, inl - 16);
	/* Decrypt final block which will be IV */
	des_ede_cbc_cipher(ctx, iv, in + inl - 8, 8);
	/* Reverse order of everything */
	BUF_reverse(icv, NULL, 8);
	BUF_reverse(out, NULL, inl - 16);
	BUF_reverse(ctx->iv, iv, 8);
	/* Decrypt again using new IV */
	des_ede_cbc_cipher(ctx, out, out, inl - 16);
	des_ede_cbc_cipher(ctx, icv, icv, 8);
	/* Work out SHA1 hash of first portion */
	SHA1(out, inl - 16, sha1tmp);

	if (!CRYPTO_memcmp(sha1tmp, icv, 8))
	rv = inl - 16;
	OPENSSL_cleanse(icv, 8);
	OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
	OPENSSL_cleanse(iv, 8);
	OPENSSL_cleanse(ctx->iv, 8);
	if (rv == -1)
	OPENSSL_cleanse(out, inl - 16);

	return rv;
	}

	static int des_ede3_wrap(EVP_CIPHER_CTX ctx, unsigned char out,
	const unsigned char *in, size_t inl)
	{
	unsigned char sha1tmp[SHA_DIGEST_LENGTH];
	if (!out)
	return inl + 16;
	/* Copy input to output buffer + 8 so we have space for IV */
	memmove(out + 8, in, inl);
	/* Work out ICV */
	SHA1(in, inl, sha1tmp);
	memcpy(out + inl + 8, sha1tmp, 8);
	OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
	/* Generate random IV */
	RAND_bytes(ctx->iv, 8);
	memcpy(out, ctx->iv, 8);
	/* Encrypt everything after IV in place */
	des_ede_cbc_cipher(ctx, out + 8, out + 8, inl + 8);
	BUF_reverse(out, NULL, inl + 16);
	memcpy(ctx->iv, wrap_iv, 8);
	des_ede_cbc_cipher(ctx, out, out, inl + 16);
	return inl + 16;
	}

	static int des_ede3_wrap_cipher(EVP_CIPHER_CTX ctx, unsigned char out,
	const unsigned char *in, size_t inl)
	{
	/*
	* Sanity check input length: we typically only wrap keys so EVP_MAXCHUNK
	* is more than will ever be needed. Also input length must be a multiple
	* of 8 bits.
	*/
	if (inl >= EVP_MAXCHUNK \|\| inl % 8)
	return -1;
	if (ctx->encrypt)
	return des_ede3_wrap(ctx, out, in, inl);
	else
	return des_ede3_unwrap(ctx, out, in, inl);
	}

	static const EVP_CIPHER des3_wrap = {
	NID_id_smime_alg_CMS3DESwrap,
	8, 24, 0,
	EVP_CIPH_WRAP_MODE \| EVP_CIPH_CUSTOM_IV \| EVP_CIPH_FLAG_CUSTOM_CIPHER
	\| EVP_CIPH_FLAG_DEFAULT_ASN1,
	des_ede3_init_key, des_ede3_wrap_cipher,
	NULL,
	sizeof(DES_EDE_KEY),
	NULL, NULL, NULL, NULL
	};

	const EVP_CIPHER *EVP_des_ede3_wrap(void)
	{
	return &des3_wrap;
	}

	# endif
	#endif