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100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
/*
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* Copyright (c) 2014 - 2021 The GmSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <gmssl/hex.h>
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#include <gmssl/gf128.h>
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/*
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a = de300f9301a499a965f8bf677e99e80d
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b = 14b267838ec9ef1bb7b5ce8c19e34bc6
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a + b = ca8268108f6d76b2d24d71eb677aa3cb
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a - b = ca8268108f6d76b2d24d71eb677aa3cb
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a * b = 28e63413cd53b01a3b469375781942c6
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a * 2 = bc601f2603493352cbf17ecefd33d09d
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*/
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int main(void)
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{
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gf128_t zero = gf128_from_hex("00000000000000000000000000000000");
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gf128_t one = gf128_from_hex("00000000000000000000000000000001");
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gf128_t ones = gf128_from_hex("11111111111111111111111111111111");
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gf128_t a = gf128_from_hex("de300f9301a499a965f8bf677e99e80d");
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gf128_t b = gf128_from_hex("14b267838ec9ef1bb7b5ce8c19e34bc6");
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gf128_t r;
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/*
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r = gf128_add(a, b);
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gf128_print("a + b = ", r);
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r = gf128_mul(a, b);
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gf128_print("a * b = ", r);
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r = gf128_mul2(a);
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gf128_print("a * 2 = ", r);
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*/
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gf128_t H = gf128_from_hex("66e94bd4ef8a2c3b884cfa59ca342b2e");
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gf128_t C = gf128_from_hex("0388dace60b6a392f328c2b971b2fe78");
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gf128_t T = gf128_mul(C, H);
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gf128_print("C = ", C);
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gf128_print("H = ", H);
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gf128_print("C * H = ", T);
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return 0;
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}
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