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Diffstat (limited to 'crypto/include/crypto_math.h')
| -rw-r--r-- | crypto/include/crypto_math.h | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/crypto/include/crypto_math.h b/crypto/include/crypto_math.h deleted file mode 100644 index 52f0837..0000000 --- a/crypto/include/crypto_math.h +++ /dev/null @@ -1,239 +0,0 @@ -/* - * math.h - * - * crypto math operations and data types - * - * David A. McGrew - * Cisco Systems, Inc. - */ -/* - * - * Copyright (c) 2001-2006 Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 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. - * - * Neither the name of the Cisco Systems, Inc. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 - * COPYRIGHT HOLDERS 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. - * - */ - -#ifndef MATH_H -#define MATH_H - -#include "datatypes.h" - -unsigned char -v32_weight(v32_t a); - -unsigned char -v32_distance(v32_t x, v32_t y); - -unsigned int -v32_dot_product(v32_t a, v32_t b); - -char * -v16_bit_string(v16_t x); - -char * -v32_bit_string(v32_t x); - -char * -v64_bit_string(const v64_t *x); - -char * -octet_hex_string(uint8_t x); - -char * -v16_hex_string(v16_t x); - -char * -v32_hex_string(v32_t x); - -char * -v64_hex_string(const v64_t *x); - -int -hex_char_to_nibble(uint8_t c); - -int -is_hex_string(char *s); - -v16_t -hex_string_to_v16(char *s); - -v32_t -hex_string_to_v32(char *s); - -v64_t -hex_string_to_v64(char *s); - -/* the matrix A[] is stored in column format, i.e., A[i] is - the ith column of the matrix */ - -uint8_t -A_times_x_plus_b(uint8_t A[8], uint8_t x, uint8_t b); - -void -v16_copy_octet_string(v16_t *x, const uint8_t s[2]); - -void -v32_copy_octet_string(v32_t *x, const uint8_t s[4]); - -void -v64_copy_octet_string(v64_t *x, const uint8_t s[8]); - -void -v128_add(v128_t *z, v128_t *x, v128_t *y); - -int -octet_string_is_eq(uint8_t *a, uint8_t *b, int len); - -void -octet_string_set_to_zero(uint8_t *s, int len); - - - -/* - * the matrix A[] is stored in column format, i.e., A[i] is the ith - * column of the matrix -*/ -uint8_t -A_times_x_plus_b(uint8_t A[8], uint8_t x, uint8_t b); - - -#if 0 -#if WORDS_BIGENDIAN - -#define _v128_add(z, x, y) { \ - uint64_t tmp; \ - \ - tmp = x->v32[3] + y->v32[3]; \ - z->v32[3] = (uint32_t) tmp; \ - \ - tmp = x->v32[2] + y->v32[2] + (tmp >> 32); \ - z->v32[2] = (uint32_t) tmp; \ - \ - tmp = x->v32[1] + y->v32[1] + (tmp >> 32); \ - z->v32[1] = (uint32_t) tmp; \ - \ - tmp = x->v32[0] + y->v32[0] + (tmp >> 32); \ - z->v32[0] = (uint32_t) tmp; \ -} - -#else /* assume little endian architecture */ - -#define _v128_add(z, x, y) { \ - uint64_t tmp; \ - \ - tmp = htonl(x->v32[3]) + htonl(y->v32[3]); \ - z->v32[3] = ntohl((uint32_t) tmp); \ - \ - tmp = htonl(x->v32[2]) + htonl(y->v32[2]) \ - + htonl(tmp >> 32); \ - z->v32[2] = ntohl((uint32_t) tmp); \ - \ - tmp = htonl(x->v32[1]) + htonl(y->v32[1]) \ - + htonl(tmp >> 32); \ - z->v32[1] = ntohl((uint32_t) tmp); \ - \ - tmp = htonl(x->v32[0]) + htonl(y->v32[0]) \ - + htonl(tmp >> 32); \ - z->v32[0] = ntohl((uint32_t) tmp); \ -} - -#endif /* WORDS_BIGENDIAN */ -#endif - -#ifdef DATATYPES_USE_MACROS /* little functions are really macros */ - -#define v128_set_to_zero(z) _v128_set_to_zero(z) -#define v128_copy(z, x) _v128_copy(z, x) -#define v128_xor(z, x, y) _v128_xor(z, x, y) -#define v128_and(z, x, y) _v128_and(z, x, y) -#define v128_or(z, x, y) _v128_or(z, x, y) -#define v128_complement(x) _v128_complement(x) -#define v128_is_eq(x, y) _v128_is_eq(x, y) -#define v128_xor_eq(x, y) _v128_xor_eq(x, y) -#define v128_get_bit(x, i) _v128_get_bit(x, i) -#define v128_set_bit(x, i) _v128_set_bit(x, i) -#define v128_clear_bit(x, i) _v128_clear_bit(x, i) -#define v128_set_bit_to(x, i, y) _v128_set_bit_to(x, i, y) - -#else - -void -v128_set_to_zero(v128_t *x); - -int -v128_is_eq(const v128_t *x, const v128_t *y); - -void -v128_copy(v128_t *x, const v128_t *y); - -void -v128_xor(v128_t *z, v128_t *x, v128_t *y); - -void -v128_and(v128_t *z, v128_t *x, v128_t *y); - -void -v128_or(v128_t *z, v128_t *x, v128_t *y); - -void -v128_complement(v128_t *x); - -int -v128_get_bit(const v128_t *x, int i); - -void -v128_set_bit(v128_t *x, int i) ; - -void -v128_clear_bit(v128_t *x, int i); - -void -v128_set_bit_to(v128_t *x, int i, int y); - -#endif /* DATATYPES_USE_MACROS */ - -/* - * octet_string_is_eq(a,b, len) returns 1 if the length len strings a - * and b are not equal, returns 0 otherwise - */ - -int -octet_string_is_eq(uint8_t *a, uint8_t *b, int len); - -void -octet_string_set_to_zero(uint8_t *s, int len); - - -#endif /* MATH_H */ - - - |