mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-12-04 01:43:11 +00:00
512 lines
14 KiB
C
512 lines
14 KiB
C
/*
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* Copyright (C) 2017 Denys Vlasenko
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*
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* Licensed under GPLv2, see file LICENSE in this source tree.
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*/
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/* The part below is a section of matrixssl-3-7-2b-open/crypto/cryptolib.h
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* Changes are flagged with //bbox
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*/
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/******************************************************************************/
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/* 32-bit Rotates */
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/******************************************************************************/
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#if defined(_MSC_VER)
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/******************************************************************************/
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/* instrinsic rotate */
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#include <stdlib.h>
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#pragma intrinsic(_lrotr,_lrotl)
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#define ROR(x,n) _lrotr(x,n)
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#define ROL(x,n) _lrotl(x,n)
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/******************************************************************************/
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#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && \
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!defined(INTEL_CC) && !defined(PS_NO_ASM)
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static ALWAYS_INLINE unsigned ROL(unsigned word, int i)
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{
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if (__builtin_constant_p(i)) { //box
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// Rotates by constant use fewer registers,
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// and on many Intel CPUs rotates by %cl take 2 cycles, not 1.
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asm ("roll %2,%0"
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:"=r" (word)
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:"0" (word),"i" (i));
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return word;
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} //box
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asm ("roll %%cl,%0"
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:"=r" (word)
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:"0" (word),"c" (i));
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return word;
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}
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static ALWAYS_INLINE unsigned ROR(unsigned word, int i)
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{
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if (__builtin_constant_p(i)) { //box
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asm ("rorl %2,%0"
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:"=r" (word)
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:"0" (word),"i" (i));
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return word;
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} //box
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asm ("rorl %%cl,%0"
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:"=r" (word)
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:"0" (word),"c" (i));
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return word;
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}
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/******************************************************************************/
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#else
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/* rotates the hard way */
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#define ROL(x, y) \
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( (((unsigned long)(x)<<(unsigned long)((y)&31)) | \
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(((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & \
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0xFFFFFFFFUL)
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#define ROR(x, y) \
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( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | \
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((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
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#endif /* 32-bit Rotates */
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/******************************************************************************/
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#ifdef HAVE_NATIVE_INT64
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#ifdef _MSC_VER
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#define CONST64(n) n ## ui64
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#else
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#define CONST64(n) n ## ULL
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#endif
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#endif
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/******************************************************************************/
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/*
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Endian helper macros
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*/
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#if defined (ENDIAN_NEUTRAL)
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#define STORE32L(x, y) { \
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(y)[3] = (unsigned char)(((x)>>24)&255); \
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(y)[2] = (unsigned char)(((x)>>16)&255); \
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(y)[1] = (unsigned char)(((x)>>8)&255); \
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(y)[0] = (unsigned char)((x)&255); \
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}
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#define LOAD32L(x, y) { \
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x = ((unsigned long)((y)[3] & 255)<<24) | \
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((unsigned long)((y)[2] & 255)<<16) | \
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((unsigned long)((y)[1] & 255)<<8) | \
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((unsigned long)((y)[0] & 255)); \
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}
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#define STORE64L(x, y) { \
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(y)[7] = (unsigned char)(((x)>>56)&255); \
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(y)[6] = (unsigned char)(((x)>>48)&255); \
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(y)[5] = (unsigned char)(((x)>>40)&255); \
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(y)[4] = (unsigned char)(((x)>>32)&255); \
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(y)[3] = (unsigned char)(((x)>>24)&255); \
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(y)[2] = (unsigned char)(((x)>>16)&255); \
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(y)[1] = (unsigned char)(((x)>>8)&255); \
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(y)[0] = (unsigned char)((x)&255); \
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}
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#define LOAD64L(x, y) { \
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x = (((uint64)((y)[7] & 255))<<56)|(((uint64)((y)[6] & 255))<<48)| \
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(((uint64)((y)[5] & 255))<<40)|(((uint64)((y)[4] & 255))<<32)| \
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(((uint64)((y)[3] & 255))<<24)|(((uint64)((y)[2] & 255))<<16)| \
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(((uint64)((y)[1] & 255))<<8)|(((uint64)((y)[0] & 255))); \
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}
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#define STORE32H(x, y) { \
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(y)[0] = (unsigned char)(((x)>>24)&255); \
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(y)[1] = (unsigned char)(((x)>>16)&255); \
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(y)[2] = (unsigned char)(((x)>>8)&255); \
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(y)[3] = (unsigned char)((x)&255); \
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}
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#define LOAD32H(x, y) { \
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x = ((unsigned long)((y)[0] & 255)<<24) | \
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((unsigned long)((y)[1] & 255)<<16) | \
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((unsigned long)((y)[2] & 255)<<8) | \
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((unsigned long)((y)[3] & 255)); \
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}
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#define STORE64H(x, y) { \
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(y)[0] = (unsigned char)(((x)>>56)&255); \
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(y)[1] = (unsigned char)(((x)>>48)&255); \
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(y)[2] = (unsigned char)(((x)>>40)&255); \
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(y)[3] = (unsigned char)(((x)>>32)&255); \
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(y)[4] = (unsigned char)(((x)>>24)&255); \
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(y)[5] = (unsigned char)(((x)>>16)&255); \
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(y)[6] = (unsigned char)(((x)>>8)&255); \
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(y)[7] = (unsigned char)((x)&255); \
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}
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#define LOAD64H(x, y) { \
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x = (((uint64)((y)[0] & 255))<<56)|(((uint64)((y)[1] & 255))<<48) | \
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(((uint64)((y)[2] & 255))<<40)|(((uint64)((y)[3] & 255))<<32) | \
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(((uint64)((y)[4] & 255))<<24)|(((uint64)((y)[5] & 255))<<16) | \
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(((uint64)((y)[6] & 255))<<8)|(((uint64)((y)[7] & 255))); \
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}
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#endif /* ENDIAN_NEUTRAL */
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#ifdef ENDIAN_LITTLE
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#define STORE32H(x, y) { \
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(y)[0] = (unsigned char)(((x)>>24)&255); \
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(y)[1] = (unsigned char)(((x)>>16)&255); \
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(y)[2] = (unsigned char)(((x)>>8)&255); \
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(y)[3] = (unsigned char)((x)&255); \
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}
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#define LOAD32H(x, y) { \
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x = ((unsigned long)((y)[0] & 255)<<24) | \
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((unsigned long)((y)[1] & 255)<<16) | \
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((unsigned long)((y)[2] & 255)<<8) | \
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((unsigned long)((y)[3] & 255)); \
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}
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#define STORE64H(x, y) { \
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(y)[0] = (unsigned char)(((x)>>56)&255); \
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(y)[1] = (unsigned char)(((x)>>48)&255); \
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(y)[2] = (unsigned char)(((x)>>40)&255); \
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(y)[3] = (unsigned char)(((x)>>32)&255); \
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(y)[4] = (unsigned char)(((x)>>24)&255); \
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(y)[5] = (unsigned char)(((x)>>16)&255); \
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(y)[6] = (unsigned char)(((x)>>8)&255); \
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(y)[7] = (unsigned char)((x)&255); \
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}
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#define LOAD64H(x, y) { \
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x = (((uint64)((y)[0] & 255))<<56)|(((uint64)((y)[1] & 255))<<48) | \
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(((uint64)((y)[2] & 255))<<40)|(((uint64)((y)[3] & 255))<<32) | \
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(((uint64)((y)[4] & 255))<<24)|(((uint64)((y)[5] & 255))<<16) | \
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(((uint64)((y)[6] & 255))<<8)|(((uint64)((y)[7] & 255))); }
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#ifdef ENDIAN_32BITWORD
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#define STORE32L(x, y) { \
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unsigned long __t = (x); memcpy(y, &__t, 4); \
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}
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#define LOAD32L(x, y) memcpy(&(x), y, 4);
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#define STORE64L(x, y) { \
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(y)[7] = (unsigned char)(((x)>>56)&255); \
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(y)[6] = (unsigned char)(((x)>>48)&255); \
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(y)[5] = (unsigned char)(((x)>>40)&255); \
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(y)[4] = (unsigned char)(((x)>>32)&255); \
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(y)[3] = (unsigned char)(((x)>>24)&255); \
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(y)[2] = (unsigned char)(((x)>>16)&255); \
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(y)[1] = (unsigned char)(((x)>>8)&255); \
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(y)[0] = (unsigned char)((x)&255); \
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}
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#define LOAD64L(x, y) { \
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x = (((uint64)((y)[7] & 255))<<56)|(((uint64)((y)[6] & 255))<<48)| \
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(((uint64)((y)[5] & 255))<<40)|(((uint64)((y)[4] & 255))<<32)| \
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(((uint64)((y)[3] & 255))<<24)|(((uint64)((y)[2] & 255))<<16)| \
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(((uint64)((y)[1] & 255))<<8)|(((uint64)((y)[0] & 255))); \
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}
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#else /* 64-bit words then */
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#define STORE32L(x, y) \
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{ unsigned long __t = (x); memcpy(y, &__t, 4); }
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#define LOAD32L(x, y) \
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{ memcpy(&(x), y, 4); x &= 0xFFFFFFFF; }
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#define STORE64L(x, y) \
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{ uint64 __t = (x); memcpy(y, &__t, 8); }
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#define LOAD64L(x, y) \
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{ memcpy(&(x), y, 8); }
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#endif /* ENDIAN_64BITWORD */
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#endif /* ENDIAN_LITTLE */
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#ifdef ENDIAN_BIG
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#define STORE32L(x, y) { \
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(y)[3] = (unsigned char)(((x)>>24)&255); \
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(y)[2] = (unsigned char)(((x)>>16)&255); \
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(y)[1] = (unsigned char)(((x)>>8)&255); \
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(y)[0] = (unsigned char)((x)&255); \
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}
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#define LOAD32L(x, y) { \
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x = ((unsigned long)((y)[3] & 255)<<24) | \
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((unsigned long)((y)[2] & 255)<<16) | \
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((unsigned long)((y)[1] & 255)<<8) | \
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((unsigned long)((y)[0] & 255)); \
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}
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#define STORE64L(x, y) { \
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(y)[7] = (unsigned char)(((x)>>56)&255); \
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(y)[6] = (unsigned char)(((x)>>48)&255); \
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(y)[5] = (unsigned char)(((x)>>40)&255); \
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(y)[4] = (unsigned char)(((x)>>32)&255); \
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(y)[3] = (unsigned char)(((x)>>24)&255); \
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(y)[2] = (unsigned char)(((x)>>16)&255); \
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(y)[1] = (unsigned char)(((x)>>8)&255); \
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(y)[0] = (unsigned char)((x)&255); \
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}
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#define LOAD64L(x, y) { \
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x = (((uint64)((y)[7] & 255))<<56)|(((uint64)((y)[6] & 255))<<48) | \
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(((uint64)((y)[5] & 255))<<40)|(((uint64)((y)[4] & 255))<<32) | \
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(((uint64)((y)[3] & 255))<<24)|(((uint64)((y)[2] & 255))<<16) | \
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(((uint64)((y)[1] & 255))<<8)|(((uint64)((y)[0] & 255))); \
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}
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#ifdef ENDIAN_32BITWORD
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#define STORE32H(x, y) \
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{ unsigned int __t = (x); memcpy(y, &__t, 4); }
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#define LOAD32H(x, y) memcpy(&(x), y, 4);
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#define STORE64H(x, y) { \
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(y)[0] = (unsigned char)(((x)>>56)&255); \
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(y)[1] = (unsigned char)(((x)>>48)&255); \
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(y)[2] = (unsigned char)(((x)>>40)&255); \
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(y)[3] = (unsigned char)(((x)>>32)&255); \
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(y)[4] = (unsigned char)(((x)>>24)&255); \
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(y)[5] = (unsigned char)(((x)>>16)&255); \
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(y)[6] = (unsigned char)(((x)>>8)&255); \
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(y)[7] = (unsigned char)((x)&255); \
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}
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#define LOAD64H(x, y) { \
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x = (((uint64)((y)[0] & 255))<<56)|(((uint64)((y)[1] & 255))<<48)| \
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(((uint64)((y)[2] & 255))<<40)|(((uint64)((y)[3] & 255))<<32)| \
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(((uint64)((y)[4] & 255))<<24)|(((uint64)((y)[5] & 255))<<16)| \
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(((uint64)((y)[6] & 255))<<8)| (((uint64)((y)[7] & 255))); \
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}
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#else /* 64-bit words then */
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#define STORE32H(x, y) \
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{ unsigned long __t = (x); memcpy(y, &__t, 4); }
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#define LOAD32H(x, y) \
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{ memcpy(&(x), y, 4); x &= 0xFFFFFFFF; }
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#define STORE64H(x, y) \
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{ uint64 __t = (x); memcpy(y, &__t, 8); }
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#define LOAD64H(x, y) \
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{ memcpy(&(x), y, 8); }
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#endif /* ENDIAN_64BITWORD */
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#endif /* ENDIAN_BIG */
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#ifdef HAVE_NATIVE_INT64
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#define ROL64c(x, y) \
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( (((x)<<((uint64)(y)&63)) | \
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(((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((uint64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF))
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#define ROR64c(x, y) \
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( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((uint64)(y)&CONST64(63))) | \
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((x)<<((uint64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF))
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#endif /* HAVE_NATIVE_INT64 */
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/******************************************************************************/
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/* The part below is taken almost verbatim from matrixssl-3-7-2b-open/crypto/symmetric/.
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* Changes are flagged with //bbox
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*/
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/**
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* @file symmetric.h
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* @version 33ef80f (HEAD, tag: MATRIXSSL-3-7-2-OPEN, tag: MATRIXSSL-3-7-2-COMM, origin/master, origin/HEAD, master)
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*
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* Header for internal symmetric key cryptography support.
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*/
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/*
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* Copyright (c) 2013-2015 INSIDE Secure Corporation
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* Copyright (c) PeerSec Networks, 2002-2011
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* All Rights Reserved
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*
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* The latest version of this code is available at http://www.matrixssl.org
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*
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* This software is open source; 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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* This General Public License does NOT permit incorporating this software
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* into proprietary programs. If you are unable to comply with the GPL, a
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* commercial license for this software may be purchased from INSIDE at
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* http://www.insidesecure.com/eng/Company/Locations
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*
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* This program is distributed in WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* http://www.gnu.org/copyleft/gpl.html
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*/
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/******************************************************************************/
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#ifndef _h_PS_SYMMETRIC
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#define _h_PS_SYMMETRIC
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/******************************************************************************/
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#ifdef USE_AES
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/******************************************************************************/
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#ifndef USE_AES_CBC_EXTERNAL
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typedef struct {
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uint32 eK[64], dK[64];
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int32 Nr;
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} psAesKey_t;
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typedef struct {
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int32 blocklen;
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unsigned char IV[16];
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psAesKey_t key;
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#if defined(USE_AES_GCM) || defined(USE_AES_CCM)
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unsigned char EncCtr[16];
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unsigned char CtrBlock[16];
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#endif
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#ifdef USE_AES_GCM
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unsigned char gInit[16];
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uint32 TagTemp[4];
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unsigned char Hash_SubKey[16];
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uint32 ProcessedBitCount[4];
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uint32 InputBufferCount;
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uint32 OutputBufferCount;
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union
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{
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unsigned char Buffer[128];
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uint32 BufferAlignment;
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} Input;
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#endif /* USE_AES_GCM */
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#ifdef USE_AES_CCM
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uint32_t ccmTagTemp[16 / sizeof(uint32_t)]; /* 32 */
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union
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{
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/* Used for formatting IV. */
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uint8_t Temporary[16];
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/* Used for processing Mac. */
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uint8_t Y0[16];
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} u; /* 48 */
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#endif /* USE_AES_CCM */
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} psAesCipher_t;
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#endif /* USE_AES_CBC_EXTERNAL */
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#endif /* USE_AES */
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#ifdef USE_IDEA
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#define SSL_IDEA_KEY_LEN 16
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#define SSL_IDEA_IV_LEN 8
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#define SSL_IDEA_BLOCK_LEN 8
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typedef struct {
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uint16 key_schedule[52];
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} psIdeaKey_t;
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typedef struct {
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psIdeaKey_t key;
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uint32 IV[2];
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short for_encryption;
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short inverted;
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} idea_CBC;
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#endif
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/******************************************************************************/
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/******************************************************************************/
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#ifdef USE_SEED
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/******************************************************************************/
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#define SSL_SEED_KEY_LEN 16
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#define SSL_SEED_IV_LEN 16
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typedef struct {
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uint32 K[32], dK[32];
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} psSeedKey_t;
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typedef struct {
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int32 blocklen;
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unsigned char IV[16];
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psSeedKey_t key;
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} seed_CBC;
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#endif /* USE_SEED */
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/******************************************************************************/
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/******************************************************************************/
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#if defined(USE_3DES) || defined(USE_DES)
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/******************************************************************************/
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#define DES3_KEY_LEN 24
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#define DES3_IV_LEN 8
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#define DES_KEY_LEN 8
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typedef struct {
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uint32 ek[3][32], dk[3][32];
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} psDes3Key_t;
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/*
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A block cipher CBC structure
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*/
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typedef struct {
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int32 blocklen;
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unsigned char IV[8];
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psDes3Key_t key;
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} des3_CBC;
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#endif /* USE_3DES || USE_DES */
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/******************************************************************************/
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/******************************************************************************/
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#ifdef USE_ARC4
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typedef struct {
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unsigned char state[256];
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uint32 byteCount;
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unsigned char x;
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unsigned char y;
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} psRc4Key_t;
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#endif /* USE_ARC4 */
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/******************************************************************************/
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#ifdef USE_RC2
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typedef struct {
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unsigned xkey[64];
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} psRc2Key_t;
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typedef struct {
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int32 blocklen;
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unsigned char IV[8];
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psRc2Key_t key;
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} rc2_CBC;
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#endif /* USE_RC2 */
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/******************************************************************************/
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/* Universal types and defines */
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/******************************************************************************/
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#define MAXBLOCKSIZE 24
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typedef union {
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#ifdef USE_RC2
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rc2_CBC rc2;
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#endif
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#ifdef USE_ARC4
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psRc4Key_t arc4;
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#endif
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#ifdef USE_3DES
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des3_CBC des3;
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#endif
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#ifdef USE_AES
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psAesCipher_t aes;
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#endif
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#ifdef USE_SEED
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seed_CBC seed;
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#endif
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#ifdef USE_IDEA
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idea_CBC idea;
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#endif
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} psCipherContext_t;
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#define byte(x, n) (((x) >> (8 * (n))) & 255)
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#endif /* _h_PS_SYMMETRIC */
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/******************************************************************************/
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