-/* 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.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#ifndef OPENSSL_NO_DES
# include <openssl/evp.h>
# include <openssl/objects.h>
-# include "evp_locl.h"
+# include "internal/evp_int.h"
# include <openssl/des.h>
# include <openssl/rand.h>
+# include "evp_locl.h"
typedef struct {
union {
DES_key_schedule ks[3];
} ks;
union {
- void (*cbc) (const void *, void *, size_t, const void *, void *);
+ void (*cbc) (const void *, void *, size_t,
+ const DES_key_schedule *, unsigned char *);
} stream;
} DES_EDE_KEY;
# define ks1 ks.ks[0]
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]);
+ const DES_key_schedule ks[3], 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]);
+ const DES_key_schedule ks[3], unsigned char iv[8]);
# endif
static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
-# define data(ctx) ((DES_EDE_KEY *)(ctx)->cipher_data)
+# define data(ctx) EVP_C_DATA(DES_EDE_KEY,ctx)
/*
* Because of various casts and different args can't use
DES_ecb3_encrypt((const_DES_cblock *)(in + i),
(DES_cblock *)(out + i),
&data(ctx)->ks1, &data(ctx)->ks2,
- &data(ctx)->ks3, ctx->encrypt);
+ &data(ctx)->ks3, EVP_CIPHER_CTX_encrypting(ctx));
return 1;
}
const unsigned char *in, size_t inl)
{
while (inl >= EVP_MAXCHUNK) {
+ int num = EVP_CIPHER_CTX_num(ctx);
DES_ede3_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK,
&data(ctx)->ks1, &data(ctx)->ks2,
- &data(ctx)->ks3, (DES_cblock *)ctx->iv,
- &ctx->num);
+ &data(ctx)->ks3,
+ (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
+ &num);
+ EVP_CIPHER_CTX_set_num(ctx, num);
inl -= EVP_MAXCHUNK;
in += EVP_MAXCHUNK;
out += EVP_MAXCHUNK;
}
- if (inl)
+ if (inl) {
+ int num = EVP_CIPHER_CTX_num(ctx);
DES_ede3_ofb64_encrypt(in, out, (long)inl,
&data(ctx)->ks1, &data(ctx)->ks2,
- &data(ctx)->ks3, (DES_cblock *)ctx->iv,
- &ctx->num);
-
+ &data(ctx)->ks3,
+ (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
+ &num);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ }
return 1;
}
{
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);
+ if (dat->stream.cbc != NULL) {
+ (*dat->stream.cbc) (in, out, inl, dat->ks.ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx));
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);
+ (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_encrypting(ctx));
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);
+ (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_encrypting(ctx));
return 1;
}
const unsigned char *in, size_t inl)
{
while (inl >= EVP_MAXCHUNK) {
+ int num = EVP_CIPHER_CTX_num(ctx);
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);
+ &data(ctx)->ks3,
+ (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
+ &num, EVP_CIPHER_CTX_encrypting(ctx));
+ EVP_CIPHER_CTX_set_num(ctx, num);
inl -= EVP_MAXCHUNK;
in += EVP_MAXCHUNK;
out += EVP_MAXCHUNK;
}
- if (inl)
+ if (inl) {
+ int num = EVP_CIPHER_CTX_num(ctx);
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);
+ &data(ctx)->ks3,
+ (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
+ &num, EVP_CIPHER_CTX_encrypting(ctx));
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ }
return 1;
}
size_t n;
unsigned char c[1], d[1];
+ if (!EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS))
+ inl *= 8;
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);
+ &data(ctx)->ks3,
+ (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_encrypting(ctx));
out[n / 8] = (out[n / 8] & ~(0x80 >> (unsigned int)(n % 8)))
| ((d[0] & 0x80) >> (unsigned int)(n % 8));
}
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);
+ &data(ctx)->ks3,
+ (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_encrypting(ctx));
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);
+ &data(ctx)->ks3,
+ (DES_cblock *)EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_encrypting(ctx));
return 1;
}
dat->stream.cbc = NULL;
# if defined(SPARC_DES_CAPABLE)
if (SPARC_DES_CAPABLE) {
- int mode = ctx->cipher->flags & EVP_CIPH_MODE;
+ int mode = EVP_CIPHER_CTX_mode(ctx);
if (mode == EVP_CIPH_CBC_MODE) {
des_t4_key_expand(&deskey[0], &dat->ks1);
}
}
# 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;
}
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;
+ int mode = EVP_CIPHER_CTX_mode(ctx);
if (mode == EVP_CIPH_CBC_MODE) {
des_t4_key_expand(&deskey[0], &dat->ks1);
}
}
# 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)
+static int des3_ctrl(EVP_CIPHER_CTX *ctx, 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)
+ if (RAND_bytes(ptr, EVP_CIPHER_CTX_key_length(ctx)) <= 0)
return 0;
DES_set_odd_parity(deskey);
- if (c->key_len >= 16)
+ if (EVP_CIPHER_CTX_key_length(ctx) >= 16)
DES_set_odd_parity(deskey + 1);
- if (c->key_len >= 24)
+ if (EVP_CIPHER_CTX_key_length(ctx) >= 24)
DES_set_odd_parity(deskey + 2);
return 1;
return &des_ede3_ecb;
}
-# ifndef OPENSSL_NO_SHA
-# include <openssl/sha.h>
+# include <openssl/sha.h>
static const unsigned char wrap_iv[8] =
{ 0x4a, 0xdd, 0xa2, 0x2c, 0x79, 0xe8, 0x21, 0x05 };
int rv = -1;
if (inl < 24)
return -1;
- if (!out)
+ if (out == NULL)
return inl - 16;
- memcpy(ctx->iv, wrap_iv, 8);
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), wrap_iv, 8);
/* Decrypt first block which will end up as icv */
des_ede_cbc_cipher(ctx, icv, in, 8);
/* Decrypt central blocks */
/* Reverse order of everything */
BUF_reverse(icv, NULL, 8);
BUF_reverse(out, NULL, inl - 16);
- BUF_reverse(ctx->iv, iv, 8);
+ BUF_reverse(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 8);
/* Decrypt again using new IV */
des_ede_cbc_cipher(ctx, out, out, inl - 16);
des_ede_cbc_cipher(ctx, icv, icv, 8);
OPENSSL_cleanse(icv, 8);
OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
OPENSSL_cleanse(iv, 8);
- OPENSSL_cleanse(ctx->iv, 8);
+ OPENSSL_cleanse(EVP_CIPHER_CTX_iv_noconst(ctx), 8);
if (rv == -1)
OPENSSL_cleanse(out, inl - 16);
const unsigned char *in, size_t inl)
{
unsigned char sha1tmp[SHA_DIGEST_LENGTH];
- if (!out)
+ if (out == NULL)
return inl + 16;
/* Copy input to output buffer + 8 so we have space for IV */
memmove(out + 8, in, inl);
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);
+ if (RAND_bytes(EVP_CIPHER_CTX_iv_noconst(ctx), 8) <= 0)
+ return -1;
+ memcpy(out, EVP_CIPHER_CTX_iv_noconst(ctx), 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);
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), wrap_iv, 8);
des_ede_cbc_cipher(ctx, out, out, inl + 16);
return inl + 16;
}
*/
if (inl >= EVP_MAXCHUNK || inl % 8)
return -1;
- if (ctx->encrypt)
+
+ if (is_partially_overlapping(out, in, inl)) {
+ EVPerr(EVP_F_DES_EDE3_WRAP_CIPHER, EVP_R_PARTIALLY_OVERLAPPING);
+ return 0;
+ }
+
+ if (EVP_CIPHER_CTX_encrypting(ctx))
return des_ede3_wrap(ctx, out, in, inl);
else
return des_ede3_unwrap(ctx, out, in, inl);
return &des3_wrap;
}
-# endif
#endif
projects / openssl.git / blobdiff