| /* 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.] */ |
| |
| #ifndef OPENSSL_HEADER_DES_INTERNAL_H |
| #define OPENSSL_HEADER_DES_INTERNAL_H |
| |
| #include <openssl/base.h> |
| #include <openssl/des.h> |
| |
| #include "../internal.h" |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif |
| |
| |
| // TODO(davidben): Ideally these macros would be replaced with |
| // |CRYPTO_load_u32_le| and |CRYPTO_store_u32_le|. |
| |
| #define c2l(c, l) \ |
| do { \ |
| (l) = ((uint32_t)(*((c)++))); \ |
| (l) |= ((uint32_t)(*((c)++))) << 8L; \ |
| (l) |= ((uint32_t)(*((c)++))) << 16L; \ |
| (l) |= ((uint32_t)(*((c)++))) << 24L; \ |
| } while (0) |
| |
| #define l2c(l, c) \ |
| do { \ |
| *((c)++) = (unsigned char)(((l)) & 0xff); \ |
| *((c)++) = (unsigned char)(((l) >> 8L) & 0xff); \ |
| *((c)++) = (unsigned char)(((l) >> 16L) & 0xff); \ |
| *((c)++) = (unsigned char)(((l) >> 24L) & 0xff); \ |
| } while (0) |
| |
| // NOTE - c is not incremented as per c2l |
| #define c2ln(c, l1, l2, n) \ |
| do { \ |
| (c) += (n); \ |
| (l1) = (l2) = 0; \ |
| switch (n) { \ |
| case 8: \ |
| (l2) = ((uint32_t)(*(--(c)))) << 24L; \ |
| [[fallthrough]]; \ |
| case 7: \ |
| (l2) |= ((uint32_t)(*(--(c)))) << 16L; \ |
| [[fallthrough]]; \ |
| case 6: \ |
| (l2) |= ((uint32_t)(*(--(c)))) << 8L; \ |
| [[fallthrough]]; \ |
| case 5: \ |
| (l2) |= ((uint32_t)(*(--(c)))); \ |
| [[fallthrough]]; \ |
| case 4: \ |
| (l1) = ((uint32_t)(*(--(c)))) << 24L; \ |
| [[fallthrough]]; \ |
| case 3: \ |
| (l1) |= ((uint32_t)(*(--(c)))) << 16L; \ |
| [[fallthrough]]; \ |
| case 2: \ |
| (l1) |= ((uint32_t)(*(--(c)))) << 8L; \ |
| [[fallthrough]]; \ |
| case 1: \ |
| (l1) |= ((uint32_t)(*(--(c)))); \ |
| } \ |
| } while (0) |
| |
| // NOTE - c is not incremented as per l2c |
| #define l2cn(l1, l2, c, n) \ |
| do { \ |
| (c) += (n); \ |
| switch (n) { \ |
| case 8: \ |
| *(--(c)) = (unsigned char)(((l2) >> 24L) & 0xff); \ |
| [[fallthrough]]; \ |
| case 7: \ |
| *(--(c)) = (unsigned char)(((l2) >> 16L) & 0xff); \ |
| [[fallthrough]]; \ |
| case 6: \ |
| *(--(c)) = (unsigned char)(((l2) >> 8L) & 0xff); \ |
| [[fallthrough]]; \ |
| case 5: \ |
| *(--(c)) = (unsigned char)(((l2)) & 0xff); \ |
| [[fallthrough]]; \ |
| case 4: \ |
| *(--(c)) = (unsigned char)(((l1) >> 24L) & 0xff); \ |
| [[fallthrough]]; \ |
| case 3: \ |
| *(--(c)) = (unsigned char)(((l1) >> 16L) & 0xff); \ |
| [[fallthrough]]; \ |
| case 2: \ |
| *(--(c)) = (unsigned char)(((l1) >> 8L) & 0xff); \ |
| [[fallthrough]]; \ |
| case 1: \ |
| *(--(c)) = (unsigned char)(((l1)) & 0xff); \ |
| } \ |
| } while (0) |
| |
| |
| // Correctly-typed versions of DES functions. |
| // |
| // See https://crbug.com/boringssl/683. |
| |
| void DES_set_key_ex(const uint8_t key[8], DES_key_schedule *schedule); |
| void DES_ecb_encrypt_ex(const uint8_t in[8], uint8_t out[8], |
| const DES_key_schedule *schedule, int is_encrypt); |
| void DES_ncbc_encrypt_ex(const uint8_t *in, uint8_t *out, size_t len, |
| const DES_key_schedule *schedule, uint8_t ivec[8], |
| int enc); |
| void DES_ecb3_encrypt_ex(const uint8_t input[8], uint8_t output[8], |
| const DES_key_schedule *ks1, |
| const DES_key_schedule *ks2, |
| const DES_key_schedule *ks3, int enc); |
| void DES_ede3_cbc_encrypt_ex(const uint8_t *in, uint8_t *out, size_t len, |
| const DES_key_schedule *ks1, |
| const DES_key_schedule *ks2, |
| const DES_key_schedule *ks3, uint8_t ivec[8], |
| int enc); |
| |
| |
| // Private functions. |
| // |
| // These functions are only exported for use in |decrepit|. |
| |
| OPENSSL_EXPORT void DES_decrypt3(uint32_t data[2], const DES_key_schedule *ks1, |
| const DES_key_schedule *ks2, |
| const DES_key_schedule *ks3); |
| |
| OPENSSL_EXPORT void DES_encrypt3(uint32_t data[2], const DES_key_schedule *ks1, |
| const DES_key_schedule *ks2, |
| const DES_key_schedule *ks3); |
| |
| |
| #if defined(__cplusplus) |
| } // extern C |
| #endif |
| |
| #endif // OPENSSL_HEADER_DES_INTERNAL_H |
