104 lines
4.0 KiB
C
Executable File
104 lines
4.0 KiB
C
Executable File
/* ====================================================================
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* Copyright (c) 2014 - 2019 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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*/
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#ifndef HEADER_SMS4_LCL_H
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#define HEADER_SMS4_LCL_H
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#include <stdint.h>
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# define ROL32(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
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# define GETU32(p) ((uint)(p)[0]<<24|(uint)(p)[1]<<16|(uint)(p)[2]<<8|(uint)(p)[3])
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# define PUTU32(p,v) ((p)[0]=(uint8_t)((v)>>24),(p)[1]=(uint8_t)((v)>>16),(p)[2]=(uint8_t)((v)>>8),(p)[3]=(uint8_t)(v))
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extern const uint8_t SMS4_S[256];
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extern const uint32_t SMS4_T[256];
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extern const uint32_t SMS4_D[65536];
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#define S32(A) \
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((SMS4_S[((A) >> 24) ] << 24) ^ \
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(SMS4_S[((A) >> 16) & 0xff] << 16) ^ \
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(SMS4_S[((A) >> 8) & 0xff] << 8) ^ \
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(SMS4_S[((A)) & 0xff]))
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#define ROUNDS(x0, x1, x2, x3, x4) \
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ROUND(x0, x1, x2, x3, x4, 0); \
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ROUND(x1, x2, x3, x4, x0, 1); \
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ROUND(x2, x3, x4, x0, x1, 2); \
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ROUND(x3, x4, x0, x1, x2, 3); \
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ROUND(x4, x0, x1, x2, x3, 4); \
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ROUND(x0, x1, x2, x3, x4, 5); \
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ROUND(x1, x2, x3, x4, x0, 6); \
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ROUND(x2, x3, x4, x0, x1, 7); \
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ROUND(x3, x4, x0, x1, x2, 8); \
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ROUND(x4, x0, x1, x2, x3, 9); \
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ROUND(x0, x1, x2, x3, x4, 10); \
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ROUND(x1, x2, x3, x4, x0, 11); \
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ROUND(x2, x3, x4, x0, x1, 12); \
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ROUND(x3, x4, x0, x1, x2, 13); \
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ROUND(x4, x0, x1, x2, x3, 14); \
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ROUND(x0, x1, x2, x3, x4, 15); \
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ROUND(x1, x2, x3, x4, x0, 16); \
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ROUND(x2, x3, x4, x0, x1, 17); \
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ROUND(x3, x4, x0, x1, x2, 18); \
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ROUND(x4, x0, x1, x2, x3, 19); \
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ROUND(x0, x1, x2, x3, x4, 20); \
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ROUND(x1, x2, x3, x4, x0, 21); \
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ROUND(x2, x3, x4, x0, x1, 22); \
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ROUND(x3, x4, x0, x1, x2, 23); \
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ROUND(x4, x0, x1, x2, x3, 24); \
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ROUND(x0, x1, x2, x3, x4, 25); \
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ROUND(x1, x2, x3, x4, x0, 26); \
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ROUND(x2, x3, x4, x0, x1, 27); \
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ROUND(x3, x4, x0, x1, x2, 28); \
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ROUND(x4, x0, x1, x2, x3, 29); \
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ROUND(x0, x1, x2, x3, x4, 30); \
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ROUND(x1, x2, x3, x4, x0, 31)
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#endif
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