From 3e4d8f433239c40311037616b1b8833a06651ae0 Mon Sep 17 00:00:00 2001 From: Arne Schwabe Date: Mon, 16 Apr 2012 19:21:14 +0200 Subject: Initial import --- openssl/crypto/des/des_locl.h | 432 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 432 insertions(+) create mode 100644 openssl/crypto/des/des_locl.h (limited to 'openssl/crypto/des/des_locl.h') diff --git a/openssl/crypto/des/des_locl.h b/openssl/crypto/des/des_locl.h new file mode 100644 index 00000000..a3b512e9 --- /dev/null +++ b/openssl/crypto/des/des_locl.h @@ -0,0 +1,432 @@ +/* crypto/des/des_locl.h */ +/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#ifndef HEADER_DES_LOCL_H +#define HEADER_DES_LOCL_H + +#include + +#if defined(OPENSSL_SYS_WIN32) +#ifndef OPENSSL_SYS_MSDOS +#define OPENSSL_SYS_MSDOS +#endif +#endif + +#include +#include + +#ifndef OPENSSL_SYS_MSDOS +#if !defined(OPENSSL_SYS_VMS) || defined(__DECC) +#ifdef OPENSSL_UNISTD +# include OPENSSL_UNISTD +#else +# include +#endif +#include +#endif +#endif +#include + +#ifdef OPENSSL_SYS_MSDOS /* Visual C++ 2.1 (Windows NT/95) */ +#include +#include +#include +#include +#endif + +#if defined(__STDC__) || defined(OPENSSL_SYS_VMS) || defined(M_XENIX) || defined(OPENSSL_SYS_MSDOS) +#include +#endif + +#ifdef OPENSSL_BUILD_SHLIBCRYPTO +# undef OPENSSL_EXTERN +# define OPENSSL_EXTERN OPENSSL_EXPORT +#endif + +#define ITERATIONS 16 +#define HALF_ITERATIONS 8 + +/* used in des_read and des_write */ +#define MAXWRITE (1024*16) +#define BSIZE (MAXWRITE+4) + +#define c2l(c,l) (l =((DES_LONG)(*((c)++))) , \ + l|=((DES_LONG)(*((c)++)))<< 8L, \ + l|=((DES_LONG)(*((c)++)))<<16L, \ + l|=((DES_LONG)(*((c)++)))<<24L) + +/* NOTE - c is not incremented as per c2l */ +#define c2ln(c,l1,l2,n) { \ + c+=n; \ + l1=l2=0; \ + switch (n) { \ + case 8: l2 =((DES_LONG)(*(--(c))))<<24L; \ + case 7: l2|=((DES_LONG)(*(--(c))))<<16L; \ + case 6: l2|=((DES_LONG)(*(--(c))))<< 8L; \ + case 5: l2|=((DES_LONG)(*(--(c)))); \ + case 4: l1 =((DES_LONG)(*(--(c))))<<24L; \ + case 3: l1|=((DES_LONG)(*(--(c))))<<16L; \ + case 2: l1|=((DES_LONG)(*(--(c))))<< 8L; \ + case 1: l1|=((DES_LONG)(*(--(c)))); \ + } \ + } + +#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ + *((c)++)=(unsigned char)(((l)>>24L)&0xff)) + +/* replacements for htonl and ntohl since I have no idea what to do + * when faced with machines with 8 byte longs. */ +#define HDRSIZE 4 + +#define n2l(c,l) (l =((DES_LONG)(*((c)++)))<<24L, \ + l|=((DES_LONG)(*((c)++)))<<16L, \ + l|=((DES_LONG)(*((c)++)))<< 8L, \ + l|=((DES_LONG)(*((c)++)))) + +#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ + *((c)++)=(unsigned char)(((l) )&0xff)) + +/* NOTE - c is not incremented as per l2c */ +#define l2cn(l1,l2,c,n) { \ + c+=n; \ + switch (n) { \ + case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \ + case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \ + case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \ + case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ + case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \ + case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \ + case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \ + case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ + } \ + } + +#if (defined(OPENSSL_SYS_WIN32) && defined(_MSC_VER)) || defined(__ICC) +#define ROTATE(a,n) (_lrotr(a,n)) +#elif defined(__GNUC__) && __GNUC__>=2 && !defined(__STRICT_ANSI__) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC) +# if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__) +# define ROTATE(a,n) ({ register unsigned int ret; \ + asm ("rorl %1,%0" \ + : "=r"(ret) \ + : "I"(n),"0"(a) \ + : "cc"); \ + ret; \ + }) +# endif +#endif +#ifndef ROTATE +#define ROTATE(a,n) (((a)>>(n))+((a)<<(32-(n)))) +#endif + +/* Don't worry about the LOAD_DATA() stuff, that is used by + * fcrypt() to add it's little bit to the front */ + +#ifdef DES_FCRYPT + +#define LOAD_DATA_tmp(R,S,u,t,E0,E1) \ + { DES_LONG tmp; LOAD_DATA(R,S,u,t,E0,E1,tmp); } + +#define LOAD_DATA(R,S,u,t,E0,E1,tmp) \ + t=R^(R>>16L); \ + u=t&E0; t&=E1; \ + tmp=(u<<16); u^=R^s[S ]; u^=tmp; \ + tmp=(t<<16); t^=R^s[S+1]; t^=tmp +#else +#define LOAD_DATA_tmp(a,b,c,d,e,f) LOAD_DATA(a,b,c,d,e,f,g) +#define LOAD_DATA(R,S,u,t,E0,E1,tmp) \ + u=R^s[S ]; \ + t=R^s[S+1] +#endif + +/* The changes to this macro may help or hinder, depending on the + * compiler and the architecture. gcc2 always seems to do well :-). + * Inspired by Dana How + * DO NOT use the alternative version on machines with 8 byte longs. + * It does not seem to work on the Alpha, even when DES_LONG is 4 + * bytes, probably an issue of accessing non-word aligned objects :-( */ +#ifdef DES_PTR + +/* It recently occurred to me that 0^0^0^0^0^0^0 == 0, so there + * is no reason to not xor all the sub items together. This potentially + * saves a register since things can be xored directly into L */ + +#if defined(DES_RISC1) || defined(DES_RISC2) +#ifdef DES_RISC1 +#define D_ENCRYPT(LL,R,S) { \ + unsigned int u1,u2,u3; \ + LOAD_DATA(R,S,u,t,E0,E1,u1); \ + u2=(int)u>>8L; \ + u1=(int)u&0xfc; \ + u2&=0xfc; \ + t=ROTATE(t,4); \ + u>>=16L; \ + LL^= *(const DES_LONG *)(des_SP +u1); \ + LL^= *(const DES_LONG *)(des_SP+0x200+u2); \ + u3=(int)(u>>8L); \ + u1=(int)u&0xfc; \ + u3&=0xfc; \ + LL^= *(const DES_LONG *)(des_SP+0x400+u1); \ + LL^= *(const DES_LONG *)(des_SP+0x600+u3); \ + u2=(int)t>>8L; \ + u1=(int)t&0xfc; \ + u2&=0xfc; \ + t>>=16L; \ + LL^= *(const DES_LONG *)(des_SP+0x100+u1); \ + LL^= *(const DES_LONG *)(des_SP+0x300+u2); \ + u3=(int)t>>8L; \ + u1=(int)t&0xfc; \ + u3&=0xfc; \ + LL^= *(const DES_LONG *)(des_SP+0x500+u1); \ + LL^= *(const DES_LONG *)(des_SP+0x700+u3); } +#endif +#ifdef DES_RISC2 +#define D_ENCRYPT(LL,R,S) { \ + unsigned int u1,u2,s1,s2; \ + LOAD_DATA(R,S,u,t,E0,E1,u1); \ + u2=(int)u>>8L; \ + u1=(int)u&0xfc; \ + u2&=0xfc; \ + t=ROTATE(t,4); \ + LL^= *(const DES_LONG *)(des_SP +u1); \ + LL^= *(const DES_LONG *)(des_SP+0x200+u2); \ + s1=(int)(u>>16L); \ + s2=(int)(u>>24L); \ + s1&=0xfc; \ + s2&=0xfc; \ + LL^= *(const DES_LONG *)(des_SP+0x400+s1); \ + LL^= *(const DES_LONG *)(des_SP+0x600+s2); \ + u2=(int)t>>8L; \ + u1=(int)t&0xfc; \ + u2&=0xfc; \ + LL^= *(const DES_LONG *)(des_SP+0x100+u1); \ + LL^= *(const DES_LONG *)(des_SP+0x300+u2); \ + s1=(int)(t>>16L); \ + s2=(int)(t>>24L); \ + s1&=0xfc; \ + s2&=0xfc; \ + LL^= *(const DES_LONG *)(des_SP+0x500+s1); \ + LL^= *(const DES_LONG *)(des_SP+0x700+s2); } +#endif +#else +#define D_ENCRYPT(LL,R,S) { \ + LOAD_DATA_tmp(R,S,u,t,E0,E1); \ + t=ROTATE(t,4); \ + LL^= \ + *(const DES_LONG *)(des_SP +((u )&0xfc))^ \ + *(const DES_LONG *)(des_SP+0x200+((u>> 8L)&0xfc))^ \ + *(const DES_LONG *)(des_SP+0x400+((u>>16L)&0xfc))^ \ + *(const DES_LONG *)(des_SP+0x600+((u>>24L)&0xfc))^ \ + *(const DES_LONG *)(des_SP+0x100+((t )&0xfc))^ \ + *(const DES_LONG *)(des_SP+0x300+((t>> 8L)&0xfc))^ \ + *(const DES_LONG *)(des_SP+0x500+((t>>16L)&0xfc))^ \ + *(const DES_LONG *)(des_SP+0x700+((t>>24L)&0xfc)); } +#endif + +#else /* original version */ + +#if defined(DES_RISC1) || defined(DES_RISC2) +#ifdef DES_RISC1 +#define D_ENCRYPT(LL,R,S) {\ + unsigned int u1,u2,u3; \ + LOAD_DATA(R,S,u,t,E0,E1,u1); \ + u>>=2L; \ + t=ROTATE(t,6); \ + u2=(int)u>>8L; \ + u1=(int)u&0x3f; \ + u2&=0x3f; \ + u>>=16L; \ + LL^=DES_SPtrans[0][u1]; \ + LL^=DES_SPtrans[2][u2]; \ + u3=(int)u>>8L; \ + u1=(int)u&0x3f; \ + u3&=0x3f; \ + LL^=DES_SPtrans[4][u1]; \ + LL^=DES_SPtrans[6][u3]; \ + u2=(int)t>>8L; \ + u1=(int)t&0x3f; \ + u2&=0x3f; \ + t>>=16L; \ + LL^=DES_SPtrans[1][u1]; \ + LL^=DES_SPtrans[3][u2]; \ + u3=(int)t>>8L; \ + u1=(int)t&0x3f; \ + u3&=0x3f; \ + LL^=DES_SPtrans[5][u1]; \ + LL^=DES_SPtrans[7][u3]; } +#endif +#ifdef DES_RISC2 +#define D_ENCRYPT(LL,R,S) {\ + unsigned int u1,u2,s1,s2; \ + LOAD_DATA(R,S,u,t,E0,E1,u1); \ + u>>=2L; \ + t=ROTATE(t,6); \ + u2=(int)u>>8L; \ + u1=(int)u&0x3f; \ + u2&=0x3f; \ + LL^=DES_SPtrans[0][u1]; \ + LL^=DES_SPtrans[2][u2]; \ + s1=(int)u>>16L; \ + s2=(int)u>>24L; \ + s1&=0x3f; \ + s2&=0x3f; \ + LL^=DES_SPtrans[4][s1]; \ + LL^=DES_SPtrans[6][s2]; \ + u2=(int)t>>8L; \ + u1=(int)t&0x3f; \ + u2&=0x3f; \ + LL^=DES_SPtrans[1][u1]; \ + LL^=DES_SPtrans[3][u2]; \ + s1=(int)t>>16; \ + s2=(int)t>>24L; \ + s1&=0x3f; \ + s2&=0x3f; \ + LL^=DES_SPtrans[5][s1]; \ + LL^=DES_SPtrans[7][s2]; } +#endif + +#else + +#define D_ENCRYPT(LL,R,S) {\ + LOAD_DATA_tmp(R,S,u,t,E0,E1); \ + t=ROTATE(t,4); \ + LL^=\ + DES_SPtrans[0][(u>> 2L)&0x3f]^ \ + DES_SPtrans[2][(u>>10L)&0x3f]^ \ + DES_SPtrans[4][(u>>18L)&0x3f]^ \ + DES_SPtrans[6][(u>>26L)&0x3f]^ \ + DES_SPtrans[1][(t>> 2L)&0x3f]^ \ + DES_SPtrans[3][(t>>10L)&0x3f]^ \ + DES_SPtrans[5][(t>>18L)&0x3f]^ \ + DES_SPtrans[7][(t>>26L)&0x3f]; } +#endif +#endif + + /* IP and FP + * The problem is more of a geometric problem that random bit fiddling. + 0 1 2 3 4 5 6 7 62 54 46 38 30 22 14 6 + 8 9 10 11 12 13 14 15 60 52 44 36 28 20 12 4 + 16 17 18 19 20 21 22 23 58 50 42 34 26 18 10 2 + 24 25 26 27 28 29 30 31 to 56 48 40 32 24 16 8 0 + + 32 33 34 35 36 37 38 39 63 55 47 39 31 23 15 7 + 40 41 42 43 44 45 46 47 61 53 45 37 29 21 13 5 + 48 49 50 51 52 53 54 55 59 51 43 35 27 19 11 3 + 56 57 58 59 60 61 62 63 57 49 41 33 25 17 9 1 + + The output has been subject to swaps of the form + 0 1 -> 3 1 but the odd and even bits have been put into + 2 3 2 0 + different words. The main trick is to remember that + t=((l>>size)^r)&(mask); + r^=t; + l^=(t<>(n))^(b))&(m)),\ + (b)^=(t),\ + (a)^=((t)<<(n))) + +#define IP(l,r) \ + { \ + register DES_LONG tt; \ + PERM_OP(r,l,tt, 4,0x0f0f0f0fL); \ + PERM_OP(l,r,tt,16,0x0000ffffL); \ + PERM_OP(r,l,tt, 2,0x33333333L); \ + PERM_OP(l,r,tt, 8,0x00ff00ffL); \ + PERM_OP(r,l,tt, 1,0x55555555L); \ + } + +#define FP(l,r) \ + { \ + register DES_LONG tt; \ + PERM_OP(l,r,tt, 1,0x55555555L); \ + PERM_OP(r,l,tt, 8,0x00ff00ffL); \ + PERM_OP(l,r,tt, 2,0x33333333L); \ + PERM_OP(r,l,tt,16,0x0000ffffL); \ + PERM_OP(l,r,tt, 4,0x0f0f0f0fL); \ + } + +extern const DES_LONG DES_SPtrans[8][64]; + +void fcrypt_body(DES_LONG *out,DES_key_schedule *ks, + DES_LONG Eswap0, DES_LONG Eswap1); + +#ifdef OPENSSL_SMALL_FOOTPRINT +#undef DES_UNROLL +#endif +#endif -- cgit v1.2.3