mirror of https://github.com/0intro/conterm
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ROOT=..
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include ../Make.config
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LIB=../libmachdep.a
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OFILES=\
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getcallerpc.$O\
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md5block.$O\
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sha1block.$O\
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tas.$O
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default: $(LIB)
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$(LIB): $(OFILES)
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$(AR) r $(LIB) $(OFILES)
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$(RANLIB) $(LIB)
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%.$O: %.c
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$(CC) $(CFLAGS) $*.c
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%.$O: %.s
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$(AS) $(ASFLAGS) -o $*.$O $*.s
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%.s: %.spp
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cpp $*.spp >$*.s
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#include "u.h"
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#include "libc.h"
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ulong
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getcallerpc(void *a)
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{
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return ((ulong*)a)[-1];
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}
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#include <u.h>
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#include <libc.h>
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#include <libsec.h>
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/*
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* rfc1321 requires that I include this. The code is new. The constants
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* all come from the rfc (hence the copyright). We trade a table for the
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* macros in rfc. The total size is a lot less. -- presotto
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*
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* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
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* rights reserved.
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*
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* License to copy and use this software is granted provided that it
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* is identified as the "RSA Data Security, Inc. MD5 Message-Digest
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* Algorithm" in all material mentioning or referencing this software
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* or this function.
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*
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* License is also granted to make and use derivative works provided
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* that such works are identified as "derived from the RSA Data
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* Security, Inc. MD5 Message-Digest Algorithm" in all material
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* mentioning or referencing the derived work.
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*
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* RSA Data Security, Inc. makes no representations concerning either
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* the merchantability of this software or the suitability of this
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* software forany particular purpose. It is provided "as is"
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* without express or implied warranty of any kind.
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* These notices must be retained in any copies of any part of this
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* documentation and/or software.
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*/
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/*
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* Rotate ammounts used in the algorithm
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*/
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enum
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{
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S11= 7,
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S12= 12,
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S13= 17,
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S14= 22,
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S21= 5,
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S22= 9,
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S23= 14,
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S24= 20,
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S31= 4,
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S32= 11,
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S33= 16,
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S34= 23,
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S41= 6,
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S42= 10,
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S43= 15,
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S44= 21,
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};
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static u32int md5tab[] =
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{
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/* round 1 */
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/*[0]*/ 0xd76aa478,
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0xe8c7b756,
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0x242070db,
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0xc1bdceee,
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0xf57c0faf,
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0x4787c62a,
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0xa8304613,
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0xfd469501,
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0x698098d8,
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0x8b44f7af,
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0xffff5bb1,
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0x895cd7be,
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0x6b901122,
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0xfd987193,
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0xa679438e,
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0x49b40821,
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/* round 2 */
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/*[16]*/0xf61e2562,
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0xc040b340,
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0x265e5a51,
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0xe9b6c7aa,
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0xd62f105d,
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0x2441453,
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0xd8a1e681,
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0xe7d3fbc8,
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0x21e1cde6,
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0xc33707d6,
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0xf4d50d87,
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0x455a14ed,
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0xa9e3e905,
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0xfcefa3f8,
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0x676f02d9,
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0x8d2a4c8a,
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/* round 3 */
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/*[32]*/0xfffa3942,
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0x8771f681,
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0x6d9d6122,
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0xfde5380c,
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0xa4beea44,
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0x4bdecfa9,
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0xf6bb4b60,
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0xbebfbc70,
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0x289b7ec6,
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0xeaa127fa,
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0xd4ef3085,
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0x4881d05,
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0xd9d4d039,
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0xe6db99e5,
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0x1fa27cf8,
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0xc4ac5665,
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/* round 4 */
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/*[48]*/0xf4292244,
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0x432aff97,
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0xab9423a7,
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0xfc93a039,
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0x655b59c3,
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0x8f0ccc92,
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0xffeff47d,
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0x85845dd1,
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0x6fa87e4f,
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0xfe2ce6e0,
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0xa3014314,
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0x4e0811a1,
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0xf7537e82,
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0xbd3af235,
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0x2ad7d2bb,
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0xeb86d391,
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};
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static void decode(u32int*, uchar*, ulong);
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extern void _md5block(uchar *p, ulong len, u32int *s);
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void
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_md5block(uchar *p, ulong len, u32int *s)
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{
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u32int a, b, c, d, sh;
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u32int *t;
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uchar *end;
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u32int x[16];
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for(end = p+len; p < end; p += 64){
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a = s[0];
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b = s[1];
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c = s[2];
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d = s[3];
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decode(x, p, 64);
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t = md5tab;
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sh = 0;
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for(; sh != 16; t += 4){
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a += ((c ^ d) & b) ^ d;
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a += x[sh] + t[0];
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a = (a << S11) | (a >> (32 - S11));
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a += b;
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d += ((b ^ c) & a) ^ c;
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d += x[sh + 1] + t[1];
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d = (d << S12) | (d >> (32 - S12));
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d += a;
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c += ((a ^ b) & d) ^ b;
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c += x[sh + 2] + t[2];
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c = (c << S13) | (c >> (32 - S13));
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c += d;
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b += ((d ^ a) & c) ^ a;
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b += x[sh + 3] + t[3];
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b = (b << S14) | (b >> (32 - S14));
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b += c;
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sh += 4;
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}
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sh = 1;
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for(; sh != 1+20*4; t += 4){
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a += ((b ^ c) & d) ^ c;
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a += x[sh & 0xf] + t[0];
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a = (a << S21) | (a >> (32 - S21));
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a += b;
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d += ((a ^ b) & c) ^ b;
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d += x[(sh + 5) & 0xf] + t[1];
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d = (d << S22) | (d >> (32 - S22));
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d += a;
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c += ((d ^ a) & b) ^ a;
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c += x[(sh + 10) & 0xf] + t[2];
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c = (c << S23) | (c >> (32 - S23));
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c += d;
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b += ((c ^ d) & a) ^ d;
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b += x[(sh + 15) & 0xf] + t[3];
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b = (b << S24) | (b >> (32 - S24));
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b += c;
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sh += 20;
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}
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sh = 5;
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for(; sh != 5+12*4; t += 4){
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a += b ^ c ^ d;
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a += x[sh & 0xf] + t[0];
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a = (a << S31) | (a >> (32 - S31));
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a += b;
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d += a ^ b ^ c;
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d += x[(sh + 3) & 0xf] + t[1];
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d = (d << S32) | (d >> (32 - S32));
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d += a;
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c += d ^ a ^ b;
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c += x[(sh + 6) & 0xf] + t[2];
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c = (c << S33) | (c >> (32 - S33));
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c += d;
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b += c ^ d ^ a;
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b += x[(sh + 9) & 0xf] + t[3];
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b = (b << S34) | (b >> (32 - S34));
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b += c;
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sh += 12;
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}
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sh = 0;
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for(; sh != 28*4; t += 4){
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a += c ^ (b | ~d);
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a += x[sh & 0xf] + t[0];
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a = (a << S41) | (a >> (32 - S41));
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a += b;
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d += b ^ (a | ~c);
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d += x[(sh + 7) & 0xf] + t[1];
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d = (d << S42) | (d >> (32 - S42));
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d += a;
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c += a ^ (d | ~b);
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c += x[(sh + 14) & 0xf] + t[2];
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c = (c << S43) | (c >> (32 - S43));
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c += d;
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b += d ^ (c | ~a);
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b += x[(sh + 21) & 0xf] + t[3];
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b = (b << S44) | (b >> (32 - S44));
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b += c;
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sh += 28;
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}
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s[0] += a;
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s[1] += b;
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s[2] += c;
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s[3] += d;
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}
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}
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/*
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* decodes input (uchar) into output (u32int). Assumes len is
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* a multiple of 4.
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*/
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static void
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decode(u32int *output, uchar *input, ulong len)
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{
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uchar *e;
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for(e = input+len; input < e; input += 4)
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*output++ = input[0] | (input[1] << 8) |
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(input[2] << 16) | (input[3] << 24);
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}
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@ -0,0 +1,189 @@
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#include <u.h>
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#include <libc.h>
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#include <libsec.h>
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void
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_sha1block(uchar *p, ulong len, u32int *s)
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{
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u32int a, b, c, d, e, x;
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uchar *end;
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u32int *wp, *wend;
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u32int w[80];
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/* at this point, we have a multiple of 64 bytes */
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for(end = p+len; p < end;){
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a = s[0];
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b = s[1];
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c = s[2];
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d = s[3];
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e = s[4];
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wend = w + 15;
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for(wp = w; wp < wend; wp += 5){
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wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
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e += ((a<<5) | (a>>27)) + wp[0];
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e += 0x5a827999 + (((c^d)&b)^d);
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b = (b<<30)|(b>>2);
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wp[1] = (p[4]<<24) | (p[5]<<16) | (p[6]<<8) | p[7];
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d += ((e<<5) | (e>>27)) + wp[1];
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d += 0x5a827999 + (((b^c)&a)^c);
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a = (a<<30)|(a>>2);
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wp[2] = (p[8]<<24) | (p[9]<<16) | (p[10]<<8) | p[11];
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c += ((d<<5) | (d>>27)) + wp[2];
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c += 0x5a827999 + (((a^b)&e)^b);
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e = (e<<30)|(e>>2);
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wp[3] = (p[12]<<24) | (p[13]<<16) | (p[14]<<8) | p[15];
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b += ((c<<5) | (c>>27)) + wp[3];
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b += 0x5a827999 + (((e^a)&d)^a);
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d = (d<<30)|(d>>2);
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wp[4] = (p[16]<<24) | (p[17]<<16) | (p[18]<<8) | p[19];
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a += ((b<<5) | (b>>27)) + wp[4];
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a += 0x5a827999 + (((d^e)&c)^e);
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c = (c<<30)|(c>>2);
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p += 20;
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}
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wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
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e += ((a<<5) | (a>>27)) + wp[0];
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e += 0x5a827999 + (((c^d)&b)^d);
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b = (b<<30)|(b>>2);
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x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
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wp[1] = (x<<1) | (x>>31);
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d += ((e<<5) | (e>>27)) + wp[1];
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d += 0x5a827999 + (((b^c)&a)^c);
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a = (a<<30)|(a>>2);
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x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
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wp[2] = (x<<1) | (x>>31);
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c += ((d<<5) | (d>>27)) + wp[2];
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c += 0x5a827999 + (((a^b)&e)^b);
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e = (e<<30)|(e>>2);
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x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
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wp[3] = (x<<1) | (x>>31);
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b += ((c<<5) | (c>>27)) + wp[3];
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b += 0x5a827999 + (((e^a)&d)^a);
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d = (d<<30)|(d>>2);
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x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
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wp[4] = (x<<1) | (x>>31);
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a += ((b<<5) | (b>>27)) + wp[4];
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a += 0x5a827999 + (((d^e)&c)^e);
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c = (c<<30)|(c>>2);
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wp += 5;
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p += 4;
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wend = w + 40;
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for(; wp < wend; wp += 5){
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x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
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wp[0] = (x<<1) | (x>>31);
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e += ((a<<5) | (a>>27)) + wp[0];
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e += 0x6ed9eba1 + (b^c^d);
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b = (b<<30)|(b>>2);
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x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
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wp[1] = (x<<1) | (x>>31);
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d += ((e<<5) | (e>>27)) + wp[1];
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d += 0x6ed9eba1 + (a^b^c);
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a = (a<<30)|(a>>2);
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x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
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||||
wp[2] = (x<<1) | (x>>31);
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c += ((d<<5) | (d>>27)) + wp[2];
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c += 0x6ed9eba1 + (e^a^b);
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e = (e<<30)|(e>>2);
|
||||
|
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x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
|
||||
wp[3] = (x<<1) | (x>>31);
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b += ((c<<5) | (c>>27)) + wp[3];
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b += 0x6ed9eba1 + (d^e^a);
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d = (d<<30)|(d>>2);
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x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
|
||||
wp[4] = (x<<1) | (x>>31);
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a += ((b<<5) | (b>>27)) + wp[4];
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a += 0x6ed9eba1 + (c^d^e);
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c = (c<<30)|(c>>2);
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||||
}
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||||
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||||
wend = w + 60;
|
||||
for(; wp < wend; wp += 5){
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x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
|
||||
wp[0] = (x<<1) | (x>>31);
|
||||
e += ((a<<5) | (a>>27)) + wp[0];
|
||||
e += 0x8f1bbcdc + ((b&c)|((b|c)&d));
|
||||
b = (b<<30)|(b>>2);
|
||||
|
||||
x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
|
||||
wp[1] = (x<<1) | (x>>31);
|
||||
d += ((e<<5) | (e>>27)) + wp[1];
|
||||
d += 0x8f1bbcdc + ((a&b)|((a|b)&c));
|
||||
a = (a<<30)|(a>>2);
|
||||
|
||||
x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
|
||||
wp[2] = (x<<1) | (x>>31);
|
||||
c += ((d<<5) | (d>>27)) + wp[2];
|
||||
c += 0x8f1bbcdc + ((e&a)|((e|a)&b));
|
||||
e = (e<<30)|(e>>2);
|
||||
|
||||
x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
|
||||
wp[3] = (x<<1) | (x>>31);
|
||||
b += ((c<<5) | (c>>27)) + wp[3];
|
||||
b += 0x8f1bbcdc + ((d&e)|((d|e)&a));
|
||||
d = (d<<30)|(d>>2);
|
||||
|
||||
x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
|
||||
wp[4] = (x<<1) | (x>>31);
|
||||
a += ((b<<5) | (b>>27)) + wp[4];
|
||||
a += 0x8f1bbcdc + ((c&d)|((c|d)&e));
|
||||
c = (c<<30)|(c>>2);
|
||||
}
|
||||
|
||||
wend = w + 80;
|
||||
for(; wp < wend; wp += 5){
|
||||
x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
|
||||
wp[0] = (x<<1) | (x>>31);
|
||||
e += ((a<<5) | (a>>27)) + wp[0];
|
||||
e += 0xca62c1d6 + (b^c^d);
|
||||
b = (b<<30)|(b>>2);
|
||||
|
||||
x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
|
||||
wp[1] = (x<<1) | (x>>31);
|
||||
d += ((e<<5) | (e>>27)) + wp[1];
|
||||
d += 0xca62c1d6 + (a^b^c);
|
||||
a = (a<<30)|(a>>2);
|
||||
|
||||
x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
|
||||
wp[2] = (x<<1) | (x>>31);
|
||||
c += ((d<<5) | (d>>27)) + wp[2];
|
||||
c += 0xca62c1d6 + (e^a^b);
|
||||
e = (e<<30)|(e>>2);
|
||||
|
||||
x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
|
||||
wp[3] = (x<<1) | (x>>31);
|
||||
b += ((c<<5) | (c>>27)) + wp[3];
|
||||
b += 0xca62c1d6 + (d^e^a);
|
||||
d = (d<<30)|(d>>2);
|
||||
|
||||
x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
|
||||
wp[4] = (x<<1) | (x>>31);
|
||||
a += ((b<<5) | (b>>27)) + wp[4];
|
||||
a += 0xca62c1d6 + (c^d^e);
|
||||
c = (c<<30)|(c>>2);
|
||||
}
|
||||
|
||||
/* save state */
|
||||
s[0] += a;
|
||||
s[1] += b;
|
||||
s[2] += c;
|
||||
s[3] += d;
|
||||
s[4] += e;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,21 @@
|
|||
#include <sys/regdef.h>
|
||||
#include <sys/asm.h>
|
||||
|
||||
.globl tas
|
||||
.ent tas 2
|
||||
|
||||
tas:
|
||||
.set noreorder
|
||||
1:
|
||||
ori t1, zero, 12345 /* t1 = 12345 */
|
||||
ll t0, (a0) /* t0 = *a0 */
|
||||
sc t1, (a0) /* *a0 = t1 if *a0 hasn't changed; t1=success */
|
||||
beq t1, zero, 1b /* repeat if *a0 did change */
|
||||
nop
|
||||
|
||||
j $31 /* return */
|
||||
or v0, t0, zero /* set return value on way out */
|
||||
|
||||
.set reorder
|
||||
.end tas
|
||||
|
Loading…
Reference in New Issue