Initial commit

1 files changed, 118 insertions, 0 deletions

diff --git a/wolfssl/wolfcrypt/misc.h b/wolfssl/wolfcrypt/misc.h
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+++ b/wolfssl/wolfcrypt/misc.h
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+/* misc.h
+ *
+ * Copyright (C) 2006-2020 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
+ */
+
+
+
+#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);
+
+WOLFSSL_LOCAL
+word32 ByteReverseWord32(word32);
+WOLFSSL_LOCAL
+void   ByteReverseWords(word32*, const word32*, word32);
+
+WOLFSSL_LOCAL
+void XorWords(wolfssl_word*, const wolfssl_word*, word32);
+WOLFSSL_LOCAL
+void xorbuf(void*, const void*, word32);
+
+WOLFSSL_LOCAL
+void ForceZero(const 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 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 ctMask16LT(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);
+
+#endif /* NO_INLINE */
+
+
+#ifdef __cplusplus
+    }   /* extern "C" */
+#endif
+
+
+#endif /* WOLF_CRYPT_MISC_H */
+