117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
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/* misc.h
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*
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* Copyright (C) 2006-2019 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#ifndef WOLF_CRYPT_MISC_H
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#define WOLF_CRYPT_MISC_H
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#include <wolfssl/wolfcrypt/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef NO_INLINE
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WOLFSSL_LOCAL
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word32 rotlFixed(word32, word32);
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WOLFSSL_LOCAL
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word32 rotrFixed(word32, word32);
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WOLFSSL_LOCAL
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word32 ByteReverseWord32(word32);
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WOLFSSL_LOCAL
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void ByteReverseWords(word32*, const word32*, word32);
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WOLFSSL_LOCAL
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void XorWords(wolfssl_word*, const wolfssl_word*, word32);
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WOLFSSL_LOCAL
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void xorbuf(void*, const void*, word32);
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WOLFSSL_LOCAL
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void ForceZero(const void*, word32);
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WOLFSSL_LOCAL
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int ConstantCompare(const byte*, const byte*, int);
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#ifdef WORD64_AVAILABLE
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WOLFSSL_LOCAL
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word64 rotlFixed64(word64, word64);
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WOLFSSL_LOCAL
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word64 rotrFixed64(word64, word64);
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WOLFSSL_LOCAL
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word64 ByteReverseWord64(word64);
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WOLFSSL_LOCAL
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void ByteReverseWords64(word64*, const word64*, word32);
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#endif /* WORD64_AVAILABLE */
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#ifndef WOLFSSL_HAVE_MIN
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#if defined(HAVE_FIPS) && !defined(min) /* so ifdef check passes */
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#define min min
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#endif
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WOLFSSL_LOCAL word32 min(word32 a, word32 b);
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#endif
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#ifndef WOLFSSL_HAVE_MAX
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#if defined(HAVE_FIPS) && !defined(max) /* so ifdef check passes */
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#define max max
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#endif
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WOLFSSL_LOCAL word32 max(word32 a, word32 b);
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#endif /* WOLFSSL_HAVE_MAX */
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void c32to24(word32 in, word24 out);
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void c16toa(word16 u16, byte* c);
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void c32toa(word32 u32, byte* c);
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void c24to32(const word24 u24, word32* u32);
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void ato16(const byte* c, word16* u16);
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void ato24(const byte* c, word32* u24);
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void ato32(const byte* c, word32* u32);
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word32 btoi(byte b);
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WOLFSSL_LOCAL byte ctMaskGT(int a, int b);
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WOLFSSL_LOCAL byte ctMaskGTE(int a, int b);
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WOLFSSL_LOCAL int ctMaskIntGTE(int a, int b);
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WOLFSSL_LOCAL byte ctMaskLT(int a, int b);
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WOLFSSL_LOCAL byte ctMaskLTE(int a, int b);
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WOLFSSL_LOCAL byte ctMaskEq(int a, int b);
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WOLFSSL_LOCAL word16 ctMask16Eq(int a, int b);
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WOLFSSL_LOCAL byte ctMaskNotEq(int a, int b);
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WOLFSSL_LOCAL byte ctMaskSel(byte m, byte a, byte b);
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WOLFSSL_LOCAL int ctMaskSelInt(byte m, int a, int b);
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WOLFSSL_LOCAL byte ctSetLTE(int a, int b);
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#endif /* NO_INLINE */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* WOLF_CRYPT_MISC_H */
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