forked from wolfSSL/wolfssl
misc.c: introduce w64wrapper to handle 64bit numbers
as word64 is not always available, introduce an abstract type and companion operations. They use a word64 if available and fallback on word32[2] otherwise.
This commit is contained in:
committed by
David Garske
parent
7586851734
commit
9d22e11776
@ -279,6 +279,7 @@ if(WOLFSSL_DTLS13)
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message(FATAL_ERROR "DTLS13 requires TLS13")
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endif()
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list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_DTLS13")
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list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_W64_WRAPPER")
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if (WOLFSSL_AES)
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list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_AES_DIRECT")
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@ -3524,6 +3524,7 @@ then
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then
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AC_MSG_ERROR([You need to enable both DTLS and TLSv1.3 to use DTLSv1.3])
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fi
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AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_DTLS13 -DWOLFSSL_W64_WRAPPER"
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if test "x$ENABLED_AES" = "xyes"
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then
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AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_AES_DIRECT"
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@ -10,6 +10,7 @@ tests_unit_test_SOURCES = \
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tests/api.c \
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tests/suites.c \
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tests/hash.c \
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tests/w64wrapper.c \
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tests/srp.c \
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examples/client/client.c \
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examples/server/server.c
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@ -163,6 +163,14 @@ int unit_test(int argc, char** argv)
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printf("hash test failed with %d\n", ret);
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goto exit;
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}
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#ifdef WOLFSSL_W64_WRAPPER
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if ((ret = w64wrapper_test()) != 0) {
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printf("w64wrapper test failed with %d\n", ret);
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goto exit;
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}
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#endif /* WOLFSSL_W64_WRAPPER */
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}
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#ifndef NO_WOLFSSL_CIPHER_SUITE_TEST
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@ -107,6 +107,7 @@ void ApiTest(void);
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int SuiteTest(int argc, char** argv);
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int HashTest(void);
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void SrpTest(void);
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int w64wrapper_test(void);
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#endif /* CyaSSL_UNIT_H */
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218
tests/w64wrapper.c
Normal file
218
tests/w64wrapper.c
Normal file
@ -0,0 +1,218 @@
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/* w64wrapper.c w64wrapper unit tests
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*
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* Copyright (C) 2006-2021 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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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <wolfssl/wolfcrypt/settings.h>
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#include <tests/unit.h>
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#ifdef WOLFSSL_W64_WRAPPER
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#ifndef NO_INLINE
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#define WOLFSSL_MISC_INCLUDED
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#include <wolfcrypt/src/misc.c>
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#else
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#include <wolfssl/wolfcrypt/misc.h>
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#endif
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int w64wrapper_test(void)
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{
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w64wrapper a, b, c;
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byte wrap, raw[8];
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a = w64From32(0x01020304, 0x05060708);
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#if defined(WORD64_AVAILABLE) && !defined(WOLFSSL_W64_WRAPPER_TEST)
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if (a.n != 0x0102030405060708)
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return -1;
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#else
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if (a.n[0] != 0x01020304 || a.n[1] != 0x05060708)
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return -1;
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#endif /* WORD64_AVAILABLE && WOLFSSL_W64_WRAPPER_TEST */
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if (w64GetLow32(a) != 0x05060708)
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return -2;
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if (w64GetHigh32(a) != 0x01020304)
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return -3;
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w64SetLow32(&a, 0xabcdefff);
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if (w64GetLow32(a) != 0xabcdefff || w64GetHigh32(a) != 0x01020304)
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return -4;
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a = w64From32(0,0);
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w64Increment(&a);
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if (w64GetLow32(a) != 1 || w64GetHigh32(a) != 0)
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return -5;
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a = w64From32(0, 0xffffffff);
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w64Increment(&a);
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if (w64GetLow32(a) != 0 || w64GetHigh32(a) != 1)
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return -6;
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a = w64From32(0,1);
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w64Decrement(&a);
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if (w64GetLow32(a) != 0 || w64GetHigh32(a) != 0)
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return -7;
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a = w64From32(1,0);
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w64Decrement(&a);
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if (w64GetLow32(a) != 0xffffffff || w64GetHigh32(a) != 0)
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return -8;
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a = w64From32(0xabcdef, 0xdeed);
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b = w64From32(0xabcdef, 0xdeed);
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if (!w64Equal(a, b))
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return -9;
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a = w64From32(1, 1);
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b = w64From32(0, 1);
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if (w64Equal(a, b))
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return -10;
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wrap = 0;
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a = w64From32(0x0, 0x1);
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b = w64Add32(a, 0x1, &wrap);
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if (w64GetLow32(b) != 0x2 || w64GetHigh32(b) != 0x0 || wrap)
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return -11;
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wrap = 0;
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a = w64From32(0x0, 0xffffffff);
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b = w64Add32(a, 0x1, &wrap);
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if (w64GetLow32(b) != 0x0 || w64GetHigh32(b) != 0x01 || wrap)
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return -12;
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wrap = 0;
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a = w64From32(0xffffffff, 0xffffffff);
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b = w64Add32(a, 0x1, &wrap);
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if (w64GetLow32(b) != 0x0 || w64GetHigh32(b) != 0x00 || !wrap)
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return -13;
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wrap = 0;
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a = w64From32(0x0, 0x1);
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b = w64Sub32(a, 0x1, &wrap);
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if (w64GetLow32(b) != 0x0 || w64GetHigh32(b) != 0x00 || wrap)
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return -14;
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wrap = 0;
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a = w64From32(0xffffffff, 0x0);
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b = w64Sub32(a, 0x1, &wrap);
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if (w64GetLow32(b) != 0xffffffff ||
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w64GetHigh32(b) != 0xfffffffe || wrap)
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return -15;
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wrap = 0;
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a = w64From32(0x0, 0x0);
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b = w64Sub32(a, 0x1, &wrap);
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if (w64GetLow32(b) != 0xffffffff ||
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w64GetHigh32(b) != 0xffffffff || !wrap)
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return -16;
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a = w64From32(0x0, 0x0);
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b = w64From32(0x0, 0x0);
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if (w64GT(a,b) || w64GT(b,a) || !w64GTE(a,b) || w64LT(a,b) || w64LT(b,a))
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return -17;
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a = w64From32(0x0, 0x1);
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b = w64From32(0x0, 0x0);
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if (!w64GT(a, b) || w64GT(b, a) || !w64GTE(a, b) || w64GTE(b, a) ||
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w64LT(a, b) || !w64LT(b, a))
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return -18;
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a = w64From32(0x1, 0x0);
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b = w64From32(0x0, 0x0);
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if (!w64GT(a, b) || w64GT(b, a) || !w64GTE(a, b) || w64GTE(b, a) ||
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!w64LT(b, a) || w64LT(a, b))
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return -19;
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a = w64From32(0x1, 0x0);
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b = w64From32(0x1, 0x0);
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if (w64GT(a,b) || w64GT(b,a) || !w64GTE(a,b) || w64LT(a,b))
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return -20;
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a = w64From32(0x1, 0x1);
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b = w64From32(0x1, 0x0);
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if (!w64GT(a, b) || w64GT(b, a) || !w64GTE(a, b) || w64GTE(b, a) ||
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w64LT(a, b) || !w64LT(b, a))
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return -21;
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a = w64From32(0x2, 0x1);
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b = w64From32(0x1, 0x3);
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if (!w64GT(a, b) || w64GT(b, a) || !w64GTE(a, b) || w64GTE(b, a) ||
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w64LT(a, b) || !w64LT(b, a))
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return -22;
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a = w64From32(0x0, 0x0);
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if (!w64IsZero(a))
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return -23;
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a = w64From32(0x01020304, 0x05060708);
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c64toa(&a, raw);
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if (raw[0] != 0x01
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||raw[1] != 0x02
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||raw[2] != 0x03
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||raw[3] != 0x04
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||raw[4] != 0x05
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||raw[5] != 0x06
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||raw[6] != 0x07
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||raw[7] != 0x08) {
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return -24;
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}
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b = w64From32(0x0,0x0);
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ato64(raw, &b);
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if (w64GetHigh32(b) != 0x01020304 || w64GetLow32(b) != 0x05060708)
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return -25;
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w64Zero(&b);
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if (w64GetHigh32(b) != 0x0 || w64GetLow32(b) != 0x0)
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return -26;
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b = w64From32(0x0, 0xffffffff);
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w64Increment(&b);
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if (w64GetHigh32(b) != 0x1 || w64GetLow32(b) != 0x0)
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return -27;
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b = w64From32(0xffffffff, 0xffffffff);
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w64Increment(&b);
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if (w64GetHigh32(b) != 0x0 || w64GetLow32(b) != 0x0)
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return -28;
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b = w64From32(0xffffffff, 0x0);
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w64Decrement(&b);
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if (w64GetHigh32(b) != 0xfffffffe || w64GetLow32(b) != 0xffffffff)
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return -29;
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a = w64From32(0x01, 0x20);
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b = w64From32(0x01, 0x10);
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c = w64Sub(a,b);
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if (w64GetHigh32(c) != 0x0 || w64GetLow32(c) != 0x10)
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return -30;
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c = w64Sub(b,a);
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if (w64GetHigh32(c) != 0xffffffff || w64GetLow32(c) != 0xfffffff0)
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return -31;
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a = w64From32(0x01, 0x10);
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b = w64From32(0x00, 0x20);
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c = w64Sub(a,b);
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if (w64GetHigh32(c) != 0x00000000 || w64GetLow32(c) != 0xfffffff0)
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return -32;
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return 0;
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}
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#endif /* WOLFSSL_W64_WRAPPER */
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@ -546,6 +546,250 @@ WC_STATIC WC_INLINE byte ctSetLTE(int a, int b)
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}
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#endif
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#if defined(WOLFSSL_W64_WRAPPER)
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#if defined(WORD64_AVAILABLE) && !defined(WOLFSSL_W64_WRAPPER_TEST)
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WC_STATIC WC_INLINE void w64Increment(w64wrapper *n) {
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n->n++;
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}
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WC_STATIC WC_INLINE void w64Decrement(w64wrapper *n) {
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n->n--;
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}
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WC_STATIC WC_INLINE byte w64Equal(w64wrapper a, w64wrapper b) {
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return (a.n == b.n);
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}
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WC_STATIC WC_INLINE word32 w64GetLow32(w64wrapper n) {
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return (word32)n.n;
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}
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WC_STATIC WC_INLINE word32 w64GetHigh32(w64wrapper n) {
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return (word32)(n.n >> 32);
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}
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WC_STATIC WC_INLINE void w64SetLow32(w64wrapper *n, word32 low) {
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n->n = (n->n & (~(word64)(0xffffffff))) | low;
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}
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WC_STATIC WC_INLINE w64wrapper w64Add32(w64wrapper a, word32 b, byte *wrap) {
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a.n = a.n + b;
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if (a.n < b && wrap != NULL)
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*wrap = 1;
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return a;
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}
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WC_STATIC WC_INLINE w64wrapper w64Sub32(w64wrapper a, word32 b, byte *wrap)
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{
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if (a.n < b && wrap != NULL)
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*wrap = 1;
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a.n = a.n - b;
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return a;
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}
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WC_STATIC WC_INLINE byte w64GT(w64wrapper a, w64wrapper b)
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{
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return a.n > b.n;
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}
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WC_STATIC WC_INLINE byte w64IsZero(w64wrapper a)
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{
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return a.n == 0;
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}
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WC_STATIC WC_INLINE void c64toa(const w64wrapper *a, byte *out)
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{
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#ifdef BIG_ENDIAN_ORDER
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XMEMCPY(out, &a->n, sizeof(a->n));
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#else
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word64 _out;
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_out = ByteReverseWord64(a->n);
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XMEMCPY(out, &_out, sizeof(_out));
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#endif /* BIG_ENDIAN_ORDER */
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}
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WC_STATIC WC_INLINE void ato64(const byte *in, w64wrapper *w64)
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{
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#ifdef BIG_ENDIAN_ORDER
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XMEMCPY(&w64->n, in, sizeof(w64->n));
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#else
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word64 _in;
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XMEMCPY(&_in, in, sizeof(_in));
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w64->n = ByteReverseWord64(_in);
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#endif /* BIG_ENDIAN_ORDER */
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}
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WC_STATIC WC_INLINE w64wrapper w64From32(word32 hi, word32 lo)
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{
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w64wrapper ret;
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ret.n = ((word64)hi << 32) | lo;
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return ret;
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}
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WC_STATIC WC_INLINE byte w64GTE(w64wrapper a, w64wrapper b)
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{
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return a.n >= b.n;
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}
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WC_STATIC WC_INLINE byte w64LT(w64wrapper a, w64wrapper b)
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{
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return a.n < b.n;
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}
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WC_STATIC WC_INLINE w64wrapper w64Sub(w64wrapper a, w64wrapper b)
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{
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a.n -= b.n;
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return a;
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}
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WC_STATIC WC_INLINE void w64Zero(w64wrapper *a)
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{
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a->n = 0;
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}
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#else
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WC_STATIC WC_INLINE void w64Increment(w64wrapper *n)
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{
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n->n[1]++;
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if (n->n[1] == 0)
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n->n[0]++;
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}
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WC_STATIC WC_INLINE void w64Decrement(w64wrapper *n) {
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if (n->n[1] == 0)
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n->n[0]--;
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n->n[1]--;
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}
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WC_STATIC WC_INLINE byte w64Equal(w64wrapper a, w64wrapper b)
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{
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return (a.n[0] == b.n[0] && a.n[1] == b.n[1]);
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}
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WC_STATIC WC_INLINE word32 w64GetLow32(w64wrapper n) {
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return n.n[1];
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}
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WC_STATIC WC_INLINE word32 w64GetHigh32(w64wrapper n) {
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return n.n[0];
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}
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WC_STATIC WC_INLINE void w64SetLow32(w64wrapper *n, word32 low)
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{
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n->n[1] = low;
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}
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WC_STATIC WC_INLINE w64wrapper w64Add32(w64wrapper a, word32 b, byte *wrap)
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{
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a.n[1] = a.n[1] + b;
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if (a.n[1] < b) {
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a.n[0]++;
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if (wrap != NULL && a.n[0] == 0)
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*wrap = 1;
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}
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return a;
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}
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WC_STATIC WC_INLINE w64wrapper w64Sub32(w64wrapper a, word32 b, byte *wrap)
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{
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byte _underflow = 0;
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if (a.n[1] < b)
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_underflow = 1;
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a.n[1] -= b;
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if (_underflow) {
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if (a.n[0] == 0 && wrap != NULL)
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*wrap = 1;
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a.n[0]--;
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}
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return a;
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}
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WC_STATIC WC_INLINE w64wrapper w64Sub(w64wrapper a, w64wrapper b)
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{
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if (a.n[1] < b.n[1])
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a.n[0]--;
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a.n[1] -= b.n[1];
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a.n[0] -= b.n[0];
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return a;
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}
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WC_STATIC WC_INLINE void w64Zero(w64wrapper *a)
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{
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a->n[0] = a->n[1] = 0;
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}
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|
||||
WC_STATIC WC_INLINE byte w64GT(w64wrapper a, w64wrapper b)
|
||||
{
|
||||
if (a.n[0] > b.n[0])
|
||||
return 1;
|
||||
if (a.n[0] == b.n[0])
|
||||
return a.n[1] > b.n[1];
|
||||
return 0;
|
||||
}
|
||||
|
||||
WC_STATIC WC_INLINE byte w64GTE(w64wrapper a, w64wrapper b)
|
||||
{
|
||||
if (a.n[0] > b.n[0])
|
||||
return 1;
|
||||
if (a.n[0] == b.n[0])
|
||||
return a.n[1] >= b.n[1];
|
||||
return 0;
|
||||
}
|
||||
|
||||
WC_STATIC WC_INLINE byte w64IsZero(w64wrapper a)
|
||||
{
|
||||
return a.n[0] == 0 && a.n[1] == 0;
|
||||
}
|
||||
|
||||
WC_STATIC WC_INLINE void c64toa(w64wrapper *a, byte *out)
|
||||
{
|
||||
#ifdef BIG_ENDIAN_ORDER
|
||||
word32 *_out = (word32*)(out);
|
||||
_out[0] = a->n[0];
|
||||
_out[1] = a->n[1];
|
||||
#else
|
||||
c32toa(a->n[0], out);
|
||||
c32toa(a->n[1], out + 4);
|
||||
#endif /* BIG_ENDIAN_ORDER */
|
||||
}
|
||||
|
||||
WC_STATIC WC_INLINE void ato64(const byte *in, w64wrapper *w64)
|
||||
{
|
||||
#ifdef BIG_ENDIAN_ORDER
|
||||
const word32 *_in = (const word32*)(in);
|
||||
w64->n[0] = *_in;
|
||||
w64->n[1] = *(_in + 1);
|
||||
#else
|
||||
ato32(in, &w64->n[0]);
|
||||
ato32(in + 4, &w64->n[1]);
|
||||
#endif /* BIG_ENDIAN_ORDER */
|
||||
}
|
||||
|
||||
WC_STATIC WC_INLINE w64wrapper w64From32(word32 hi, word32 lo)
|
||||
{
|
||||
w64wrapper w64;
|
||||
w64.n[0] = hi;
|
||||
w64.n[1] = lo;
|
||||
return w64;
|
||||
}
|
||||
|
||||
WC_STATIC WC_INLINE byte w64LT(w64wrapper a, w64wrapper b)
|
||||
{
|
||||
if (a.n[0] < b.n[0])
|
||||
return 1;
|
||||
if (a.n[0] == b.n[0])
|
||||
return a.n[1] < b.n[1];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif /* WORD64_AVAILABLE && !WOLFSSL_W64_WRAPPER_TEST */
|
||||
#endif /* WOLFSSL_W64_WRAPPER */
|
||||
|
||||
#undef WC_STATIC
|
||||
|
||||
#endif /* !WOLFSSL_MISC_INCLUDED && !NO_INLINE */
|
||||
|
@ -2700,6 +2700,11 @@ extern void uITRON4_free(void *p) ;
|
||||
#define NO_SESSION_CACHE_REF
|
||||
#endif
|
||||
|
||||
/* DTLS v1.3 requires 64-bit number wrappers */
|
||||
#if defined(WOLFSSL_DTLS13) && !defined(WOLFSSL_W64_WRAPPER)
|
||||
#define WOLFSSL_W64_WRAPPER
|
||||
#endif
|
||||
|
||||
/* DTLS v1.3 requires AES ECB if using AES */
|
||||
#if defined(WOLFSSL_DTLS13) && !defined(NO_AES) && \
|
||||
!defined(WOLFSSL_AES_DIRECT)
|
||||
|
@ -218,6 +218,14 @@ decouple library dependencies with standard string, memory and so on.
|
||||
mp_digit, no 64 bit type so make mp_digit 16 bit */
|
||||
#endif
|
||||
|
||||
typedef struct w64wrapper {
|
||||
#if defined(WORD64_AVAILABLE) && !defined(WOLFSSL_W64_WRAPPER_TEST)
|
||||
word64 n;
|
||||
#else
|
||||
word32 n[2];
|
||||
#endif /* WORD64_AVAILABLE && WOLFSSL_W64_WRAPPER_TEST */
|
||||
} w64wrapper;
|
||||
|
||||
#ifdef WC_PTR_TYPE /* Allow user suppied type */
|
||||
typedef WC_PTR_TYPE wc_ptr_t;
|
||||
#elif defined(HAVE_UINTPTR_T)
|
||||
|
Reference in New Issue
Block a user