summaryrefslogtreecommitdiff
path: root/thirdparty/openssl/crypto/evp/e_des3.c
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/openssl/crypto/evp/e_des3.c')
-rw-r--r--thirdparty/openssl/crypto/evp/e_des3.c497
1 files changed, 0 insertions, 497 deletions
diff --git a/thirdparty/openssl/crypto/evp/e_des3.c b/thirdparty/openssl/crypto/evp/e_des3.c
deleted file mode 100644
index ab8126e5c9..0000000000
--- a/thirdparty/openssl/crypto/evp/e_des3.c
+++ /dev/null
@@ -1,497 +0,0 @@
-/* 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>
-
-/* Block use of implementations in FIPS mode */
-# undef EVP_CIPH_FLAG_FIPS
-# define EVP_CIPH_FLAG_FIPS 0
-
-typedef struct {
- union {
- double align;
- DES_key_schedule ks[3];
- } ks;
- union {
- void (*cbc) (const void *, void *, size_t,
- const DES_key_schedule *, unsigned char *);
- } 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,
- const DES_key_schedule ks[3], unsigned char iv[8]);
-void des_t4_ede3_cbc_decrypt(const void *inp, void *out, size_t len,
- 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,
- 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.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];
-
- 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);
- 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_FIPS |
- 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_FIPS |
- 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_FIPS |
- 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 == NULL)
- 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 == NULL)
- 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 */
- if (RAND_bytes(ctx->iv, 8) <= 0)
- return -1;
- 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 12:29:33 +0000