-/* crypto/evp/e_des3.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
*/
#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>
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);
+ (*dat->stream.cbc) (in, out, inl, &dat->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;
}
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 -1;
if (!out)
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);
memcpy(out + inl + 8, sha1tmp, 8);
OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
/* Generate random IV */
- if (RAND_bytes(ctx->iv, 8) <= 0)
+ if (RAND_bytes(EVP_CIPHER_CTX_iv_noconst(ctx), 8) <= 0)
return -1;
- memcpy(out, ctx->iv, 8);
+ 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 (EVP_CIPHER_CTX_encrypting(ctx))
return des_ede3_wrap(ctx, out, in, inl);
else
return des_ede3_unwrap(ctx, out, in, inl);