/* 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 #include #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; \ OPENSSL_FALLTHROUGH; \ case 7: \ (l2) |= ((uint32_t)(*(--(c)))) << 16L; \ OPENSSL_FALLTHROUGH; \ case 6: \ (l2) |= ((uint32_t)(*(--(c)))) << 8L; \ OPENSSL_FALLTHROUGH; \ case 5: \ (l2) |= ((uint32_t)(*(--(c)))); \ OPENSSL_FALLTHROUGH; \ case 4: \ (l1) = ((uint32_t)(*(--(c)))) << 24L; \ OPENSSL_FALLTHROUGH; \ case 3: \ (l1) |= ((uint32_t)(*(--(c)))) << 16L; \ OPENSSL_FALLTHROUGH; \ case 2: \ (l1) |= ((uint32_t)(*(--(c)))) << 8L; \ OPENSSL_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); \ OPENSSL_FALLTHROUGH; \ case 7: \ *(--(c)) = (unsigned char)(((l2) >> 16L) & 0xff); \ OPENSSL_FALLTHROUGH; \ case 6: \ *(--(c)) = (unsigned char)(((l2) >> 8L) & 0xff); \ OPENSSL_FALLTHROUGH; \ case 5: \ *(--(c)) = (unsigned char)(((l2)) & 0xff); \ OPENSSL_FALLTHROUGH; \ case 4: \ *(--(c)) = (unsigned char)(((l1) >> 24L) & 0xff); \ OPENSSL_FALLTHROUGH; \ case 3: \ *(--(c)) = (unsigned char)(((l1) >> 16L) & 0xff); \ OPENSSL_FALLTHROUGH; \ case 2: \ *(--(c)) = (unsigned char)(((l1) >> 8L) & 0xff); \ OPENSSL_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