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- /* misc.h
- *
- * Copyright (C) 2006-2022 wolfSSL Inc.
- *
- * This file is part of wolfSSL.
- *
- * wolfSSL is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * wolfSSL is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
- */
- /*
- DESCRIPTION
- This module implements the arithmetic-shift right, left, byte swapping, XOR,
- masking and clearing memory logic.
- */
- #ifndef WOLF_CRYPT_MISC_H
- #define WOLF_CRYPT_MISC_H
- #include <wolfssl/wolfcrypt/types.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- #ifdef NO_INLINE
- WOLFSSL_LOCAL
- word32 rotlFixed(word32, word32);
- WOLFSSL_LOCAL
- word32 rotrFixed(word32, word32);
- #ifdef WC_RC2
- WOLFSSL_LOCAL
- word16 rotlFixed16(word16, word16);
- WOLFSSL_LOCAL
- word16 rotrFixed16(word16, word16);
- #endif
- WOLFSSL_LOCAL
- word32 ByteReverseWord32(word32);
- WOLFSSL_LOCAL
- void ByteReverseWords(word32*, const word32*, word32);
- WOLFSSL_LOCAL
- void XorWordsOut(wolfssl_word* r, const wolfssl_word* a, const wolfssl_word* b,
- word32 n);
- WOLFSSL_LOCAL
- void xorbufout(void*, const void*, const void*, word32);
- WOLFSSL_LOCAL
- void XorWords(wolfssl_word*, const wolfssl_word*, word32);
- WOLFSSL_LOCAL
- void xorbuf(void*, const void*, word32);
- WOLFSSL_LOCAL
- void ForceZero(void*, word32);
- WOLFSSL_LOCAL
- int ConstantCompare(const byte*, const byte*, int);
- #ifdef WORD64_AVAILABLE
- WOLFSSL_LOCAL
- word64 rotlFixed64(word64, word64);
- WOLFSSL_LOCAL
- word64 rotrFixed64(word64, word64);
- WOLFSSL_LOCAL
- word64 ByteReverseWord64(word64);
- WOLFSSL_LOCAL
- void ByteReverseWords64(word64*, const word64*, word32);
- #endif /* WORD64_AVAILABLE */
- #ifndef WOLFSSL_HAVE_MIN
- #if defined(HAVE_FIPS) && !defined(min) /* so ifdef check passes */
- #define min min
- #endif
- WOLFSSL_LOCAL word32 min(word32 a, word32 b);
- #endif
- #ifndef WOLFSSL_HAVE_MAX
- #if defined(HAVE_FIPS) && !defined(max) /* so ifdef check passes */
- #define max max
- #endif
- WOLFSSL_LOCAL word32 max(word32 a, word32 b);
- #endif /* WOLFSSL_HAVE_MAX */
- void c32to24(word32 in, word24 out);
- void c16toa(word16 u16, byte* c);
- void c32toa(word32 u32, byte* c);
- void c24to32(const word24 u24, word32* u32);
- void ato16(const byte* c, word16* u16);
- void ato24(const byte* c, word32* u24);
- void ato32(const byte* c, word32* u32);
- word32 btoi(byte b);
- WOLFSSL_LOCAL signed char HexCharToByte(char ch);
- WOLFSSL_LOCAL char ByteToHex(byte in);
- WOLFSSL_LOCAL int ByteToHexStr(byte in, char* out);
- WOLFSSL_LOCAL byte ctMaskGT(int a, int b);
- WOLFSSL_LOCAL byte ctMaskGTE(int a, int b);
- WOLFSSL_LOCAL int ctMaskIntGTE(int a, int b);
- WOLFSSL_LOCAL byte ctMaskLT(int a, int b);
- WOLFSSL_LOCAL byte ctMaskLTE(int a, int b);
- WOLFSSL_LOCAL byte ctMaskEq(int a, int b);
- WOLFSSL_LOCAL word16 ctMask16GT(int a, int b);
- WOLFSSL_LOCAL word16 ctMask16GTE(int a, int b);
- WOLFSSL_LOCAL word16 ctMask16LT(int a, int b);
- WOLFSSL_LOCAL word16 ctMask16LTE(int a, int b);
- WOLFSSL_LOCAL word16 ctMask16Eq(int a, int b);
- WOLFSSL_LOCAL byte ctMaskNotEq(int a, int b);
- WOLFSSL_LOCAL byte ctMaskSel(byte m, byte a, byte b);
- WOLFSSL_LOCAL int ctMaskSelInt(byte m, int a, int b);
- WOLFSSL_LOCAL byte ctSetLTE(int a, int b);
- WOLFSSL_LOCAL void ctMaskCopy(byte mask, byte* dst, byte* src, word16 size);
- WOLFSSL_LOCAL word32 MakeWordFromHash(const byte* hashID);
- WOLFSSL_LOCAL word32 HashObject(const byte* o, word32 len, int* error);
- #endif /* NO_INLINE */
- #ifdef __cplusplus
- } /* extern "C" */
- #endif
- #endif /* WOLF_CRYPT_MISC_H */
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