1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Tweaked in various ways for Google/Android: 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * - Changed from .cpp to .c. 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * - Made argument to SHA1Update a const pointer, and enabled 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * SHA1HANDSOFF. This incurs a speed penalty but prevents us from 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * trashing the input. 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * - Include <endian.h> to get endian info. 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * - Split a small piece into a header file. 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectsha1sum: inspired by md5sum. 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectSHA-1 in C 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectBy Steve Reid <steve@edmweb.com> 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project100% Public Domain 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project----------------- 19de75089fb7216d19e9c22cce4dc62a49513477d3Carl ShapiroModified 7/98 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectBy James H. Brown <jbrown@burgoyne.com> 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectStill 100% Public Domain 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectbit machines 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectRoutine SHA1Update changed from 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project void SHA1Update(SHA1_CTX* context, unsigned char* data, 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned int len) 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectto 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project void SHA1Update(SHA1_CTX* context, unsigned char* data, 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned long len) 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectThe 'len' parameter was declared an int which works fine on 32 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectbit machines. However, on 16 bit machines an int is too small 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectfor the shifts being done against it. This caused the hash 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectfunction to generate incorrect values if len was greater than 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project8191 (8K - 1) due to the 'len << 3' on line 3 of SHA1Update(). 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectSince the file IO in main() reads 16K at a time, any file 8K or 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectlarger would be guaranteed to generate the wrong hash (e.g. 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectTest Vector #3, a million "a"s). 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectI also changed the declaration of variables i & j in SHA1Update 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectto unsigned long from unsigned int for the same reason. 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectThese changes should make no difference to any 32 bit 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimplementations since an int and a long are the same size in 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectthose environments. 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project-- 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectI also corrected a few compiler warnings generated by Borland 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectC. 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project1. Added #include <process.h> for exit() prototype 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project2. Removed unused variable 'j' in SHA1Final 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project3. Changed exit(0) to return(0) at end of main. 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectALL changes I made can be located by searching for comments 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectcontaining 'JHB' 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project----------------- 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectModified 13 August 2000 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectBy Michael Paul Johnson <mpj@cryptography.org> 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectStill 100% Public Domain 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectChanged command line syntax, added feature to automatically 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectcheck files against their previous SHA-1 check values, kind of 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectlike md5sum does. Added functions hexval, verifyfile, 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectand sha1file. Rewrote main(). 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project----------------- 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectTest Vectors (from FIPS PUB 180-1) 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project"abc" 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1 74f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectA million repetitions of "a" 75f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F 76f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project*/ 77f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 78f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define SHA1HANDSOFF /*Copies data before messing with it.*/ 79f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 80f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/*#define CMDLINE * include main() and file processing */ 81f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 82f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#include "sha1.h" 83f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 84f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#include <stdio.h> 85f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#include <string.h> 86f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#ifdef __BORLANDC__ 87f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#include <dir.h> 88f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#include <dos.h> 89f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#include <process.h> /* prototype for exit() - JHB 90f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project needed for Win32, but chokes Linux - MPJ */ 91f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define X_LITTLE_ENDIAN /* This should be #define'd if true.*/ 92f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#else 93f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project# include <unistd.h> 94f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project# include <stdlib.h> 95f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project//# include <endian.h> 96f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 97f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#include "DexFile.h" // want common byte ordering def 98f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 99f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project# if __BYTE_ORDER == __LITTLE_ENDIAN 100f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project# define X_LITTLE_ENDIAN 101f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project# endif 102f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#endif 103f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#include <ctype.h> 104f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 105f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define LINESIZE 2048 106f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 107f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectstatic void SHA1Transform(unsigned long state[5], 108f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project const unsigned char buffer[64]); 109f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 110f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define rol(value,bits) \ 111f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project (((value)<<(bits))|((value)>>(32-(bits)))) 112f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 113f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* blk0() and blk() perform the initial expand. */ 114f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* I got the idea of expanding during the round function from 115f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SSLeay */ 116f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#ifdef X_LITTLE_ENDIAN 117f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define blk0(i) (block->l[i]=(rol(block->l[i],24)&0xFF00FF00) \ 118f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project |(rol(block->l[i],8)&0x00FF00FF)) 119f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#else 120f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define blk0(i) block->l[i] 121f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#endif 122f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \ 123f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project ^block->l[(i+2)&15]^block->l[i&15],1)) 124f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 125f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */ 126f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30); 127f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30); 128f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30); 129f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30); 130f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30); 131f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 132f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 133f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* Hash a single 512-bit block. This is the core of the algorithm. */ 134f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 135f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectstatic void SHA1Transform(unsigned long state[5], 136f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project const unsigned char buffer[64]) 137f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 138f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectunsigned long a, b, c, d, e; 139bfc9799b1a53fd6f6136d07e6278d4538cf70f13Carl Shapirounion CHAR64LONG16 { 140f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned char c[64]; 141f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned long l[16]; 142bfc9799b1a53fd6f6136d07e6278d4538cf70f13Carl Shapiro}; 143f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectCHAR64LONG16* block; 144f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#ifdef SHA1HANDSOFF 145f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectstatic unsigned char workspace[64]; 146f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project block = (CHAR64LONG16*)workspace; 147f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project memcpy(block, buffer, 64); 148f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#else 149f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project block = (CHAR64LONG16*)buffer; 150f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#endif 151f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* Copy context->state[] to working vars */ 152f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project a = state[0]; 153f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project b = state[1]; 154f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project c = state[2]; 155f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project d = state[3]; 156f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project e = state[4]; 157f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* 4 rounds of 20 operations each. Loop unrolled. */ 158f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); 159f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R0(c,d,e,a,b, 3); R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); 160f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7); R0(c,d,e,a,b, 8); 161f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11); 162f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); 163f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R0(a,b,c,d,e,15); R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); 164f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R1(c,d,e,a,b,18); R1(b,c,d,e,a,19); R2(a,b,c,d,e,20); 165f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23); 166f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); 167f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R2(d,e,a,b,c,27); R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); 168f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R2(a,b,c,d,e,30); R2(e,a,b,c,d,31); R2(d,e,a,b,c,32); 169f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35); 170f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); 171f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R2(b,c,d,e,a,39); R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); 172f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R3(d,e,a,b,c,42); R3(c,d,e,a,b,43); R3(b,c,d,e,a,44); 173f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47); 174f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); 175f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R3(e,a,b,c,d,51); R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); 176f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R3(b,c,d,e,a,54); R3(a,b,c,d,e,55); R3(e,a,b,c,d,56); 177f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59); 178f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); 179f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R4(c,d,e,a,b,63); R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); 180f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R4(e,a,b,c,d,66); R4(d,e,a,b,c,67); R4(c,d,e,a,b,68); 181f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71); 182f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); 183f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R4(a,b,c,d,e,75); R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); 184f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project R4(c,d,e,a,b,78); R4(b,c,d,e,a,79); 185f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 186f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* Add the working vars back into context.state[] */ 187f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project state[0] += a; 188f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project state[1] += b; 189f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project state[2] += c; 190f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project state[3] += d; 191f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project state[4] += e; 192f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* Wipe variables */ 193f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* a = b = c = d = e = 0; Nice try, but the compiler 194f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectoptimizes this out, anyway, and it produces an annoying 195f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectwarning. */ 196f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 197f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 198f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 199f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* SHA1Init - Initialize new context */ 200f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 201f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectvoid SHA1Init(SHA1_CTX* context) 202f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 203f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* SHA1 initialization constants */ 204f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project context->state[0] = 0x67452301; 205f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project context->state[1] = 0xEFCDAB89; 206f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project context->state[2] = 0x98BADCFE; 207f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project context->state[3] = 0x10325476; 208f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project context->state[4] = 0xC3D2E1F0; 209f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project context->count[0] = context->count[1] = 0; 210f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 211f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 212f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 213f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* Run your data through this. */ 214f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 215f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectvoid SHA1Update(SHA1_CTX* context, const unsigned char* data, 216f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned long len) /* JHB */ 217f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 218f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned long i, j; /* JHB */ 219f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 220f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project j = (context->count[0] >> 3) & 63; 221f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if ((context->count[0] += len << 3) < (len << 3)) 222f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project context->count[1]++; 223f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project context->count[1] += (len >> 29); 224f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if ((j + len) > 63) 225f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 226f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project memcpy(&context->buffer[j], data, (i = 64-j)); 227f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SHA1Transform(context->state, context->buffer); 228f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for ( ; i + 63 < len; i += 64) { 229f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SHA1Transform(context->state, &data[i]); 230f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 231f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project j = 0; 232f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 233f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project else 234f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project i = 0; 235f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project memcpy(&context->buffer[j], &data[i], len - i); 236f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 237f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 238f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 239f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* Add padding and return the message digest. */ 240f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 241f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectvoid SHA1Final(unsigned char digest[HASHSIZE], SHA1_CTX* 242f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectcontext) 243f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 244f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectunsigned long i; /* JHB */ 245f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectunsigned char finalcount[8]; 246f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 247f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (i = 0; i < 8; i++) 248f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 249f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project finalcount[i] = (unsigned char)((context->count[(i>=4? 250f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 0:1)]>>((3-(i&3))*8))&255); 251f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* Endian independent */ 252f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 253f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SHA1Update(context, (unsigned char *)"\200", 1); 254f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project while ((context->count[0] & 504) != 448) { 255f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SHA1Update(context, (unsigned char *)"\0", 1); 256f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 257f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SHA1Update(context, finalcount, 8); 258f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* Should cause a SHA1Transform() */ 259f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (i = 0; i < HASHSIZE; i++) { 260f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project digest[i] = (unsigned char) 261f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255); 262f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 263f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* Wipe variables */ 264f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project memset(context->buffer, 0, 64); 265f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project memset(context->state, 0, HASHSIZE); 266f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project memset(context->count, 0, 8); 267f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project memset(&finalcount, 0, 8); 268f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#ifdef SHA1HANDSOFF 269f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* make SHA1Transform overwrite it's own static vars */ 270f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SHA1Transform(context->state, context->buffer); 271f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#endif 272f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 273f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 274f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 275f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 276f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#ifdef CMDLINE 277f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 278f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* sha1file computes the SHA-1 hash of the named file and puts 279f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project it in the 20-byte array digest. If fname is NULL, stdin is 280f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project assumed. 281f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project*/ 282f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectvoid sha1file(char *fname, unsigned char* digest) 283f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 284f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int bytesread; 285f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SHA1_CTX context; 286f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned char buffer[16384]; 287f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project FILE* f; 288f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 289f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (fname) 290f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 291f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project f = fopen(fname, "rb"); 292f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (!f) 293f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 294f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fprintf(stderr, "Can't open %s\n", fname); 295f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project memset(digest, 0, HASHSIZE); 296f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return; 297f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 298f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 299f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project else 300f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 301f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project f = stdin; 302f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 303f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SHA1Init(&context); 304f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project while (!feof(f)) 305f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 306f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project bytesread = fread(buffer, 1, 16384, f); 307f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SHA1Update(&context, buffer, bytesread); 308f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 309f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SHA1Final(digest, &context); 310f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (fname) 311f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fclose(f); 312f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 313f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 314f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* Convert ASCII hexidecimal digit to 4-bit value. */ 315f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectunsigned char hexval(char c) 316f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 317f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned char h; 318f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 319f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project c = toupper(c); 320f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (c >= 'A') 321f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project h = c - 'A' + 10; 322f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project else 323f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project h = c - '0'; 324f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return h; 325f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 326f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 327f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* Verify a file created with sha1sum by redirecting output 328f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project to a file. */ 329f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectint verifyfile(char *fname) 330f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 331f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int j, k; 332f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int found = 0; 333f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned char digest[HASHSIZE]; 334f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned char expected_digest[HASHSIZE]; 335f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project FILE *checkfile; 336f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project char checkline[LINESIZE]; 337f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project char *s; 338f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned char err; 339f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 340f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project checkfile = fopen(fname, "rt"); 341f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (!checkfile) 342f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 343f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fprintf(stderr, "Can't open %s\n", fname); 344f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return(0); 345f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 346f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project do 347f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 348f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project s = fgets(checkline, LINESIZE, checkfile); 349f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (s) 350f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 351f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if ((strlen(checkline)>26)&& 352f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 1 /*(!strncmp(checkline,"SHA1=", 5))*/) 353f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 354f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* Overwrite newline. */ 355f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project checkline[strlen(checkline)-1]=0; 356f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project found = 1; 357f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 358f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* Read expected check value. */ 359f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (k=0, j=5; k < HASHSIZE; k++) 360f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 361f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project expected_digest[k]=hexval(checkline[j++]); 362f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project expected_digest[k]=(expected_digest[k]<<4) 363f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project +hexval(checkline[j++]); 364f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 365f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 366f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* Compute fingerprints */ 367f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project s = checkline+46; 368f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project sha1file(s, digest); 369f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 370f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* Compare fingerprints */ 371f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project err = 0; 372f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (k=0; k<HASHSIZE; k++) 373f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project err |= digest[k]- 374f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project expected_digest[k]; 375f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (err) 376f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 377f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fprintf(stderr, "FAILED: %s\n" 378f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project " EXPECTED: ", s); 379f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (k=0; k<HASHSIZE; k++) 380f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fprintf(stderr, "%02X", 381f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project expected_digest[k]); 382f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fprintf(stderr,"\n FOUND: "); 383f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (k=0; k<HASHSIZE; k++) 384f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fprintf(stderr, "%02X", digest[k]); 385f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fprintf(stderr, "\n"); 386f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 387f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project else 388f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 389f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project printf("OK: %s\n", s); 390f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 391f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 392f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 393f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } while (s); 394f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return found; 395f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 396f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 397f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 398f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 399f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectvoid syntax(char *progname) 400f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 401f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project printf("\nsyntax:\n" 402f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project "%s [-c|-h][-q] file name[s]\n" 403f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project " -c = check files against previous check values\n" 404f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project " -g = generate SHA-1 check values (default action)\n" 405f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project " -h = display this help\n" 406f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project "For example,\n" 407f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project "sha1sum test.txt > check.txt\n" 408f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project "generates check value for test.txt in check.txt, and\n" 409f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project "sha1sum -c check.txt\n" 410f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project "checks test.txt against the check value in check.txt\n", 411f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project progname); 412f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project exit(1); 413f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 414f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 415f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 416f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/**********************************************************/ 417f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 418f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectint main(int argc, char** argv) 419f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 420f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int i, j, k; 421f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int check = 0; 422f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int found = 0; 423f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned char digest[HASHSIZE]; 424f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned char expected_digest[HASHSIZE]; 425f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project FILE *checkfile; 426f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project char checkline[LINESIZE]; 427f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project char *s; 428f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#ifdef __BORLANDC__ 429f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project struct ffblk f; 430f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int done; 431f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project char path[MAXPATH]; 432f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project char drive[MAXDRIVE]; 433f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project char dir[MAXDIR]; 434f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project char name[MAXFILE]; 435f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project char ext[MAXEXT]; 436f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#endif 437f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsigned char err; 438f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 439f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (i = 1; i < argc; i++) 440f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 441f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (argv[i][0] == '-') 442f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 443f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project switch (argv[i][1]) 444f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 445f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project case 'c': 446f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project case 'C': 447f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project check = 1; 448f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project break; 449f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project case 'g': 450f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project case 'G': 451f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project check = 0; 452f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project break; 453f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project default: 454f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project syntax(argv[0]); 455f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 456f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 457f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 458f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 459f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (i=1; i<argc; i++) 460f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 461f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (argv[i][0] != '-') 462f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 463f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#ifdef __BORLANDC__ 464f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fnsplit(argv[i], drive, dir, name, ext); 465f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project done = findfirst(argv[i], &f, FA_RDONLY | 466f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project FA_HIDDEN|FA_SYSTEM|FA_ARCH); 467f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project while (!done) 468f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 469f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project sprintf(path, "%s%s%s", drive, dir, f.ff_name); 470f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project s = path; 471f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#else 472f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project s = argv[i]; 473f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#endif 474f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 475f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (check) 476f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { /* Check fingerprint file. */ 477f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project found |= verifyfile(s); 478f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 479f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project else 480f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { /* Generate fingerprints & write to 481f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project stdout. */ 482f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project sha1file(s, digest); 483f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project //printf("SHA1="); 484f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (j=0; j<HASHSIZE; j++) 485f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project printf("%02x", digest[j]); 486f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project printf(" %s\n", s); 487f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project found = 1; 488f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 489f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 490f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#ifdef __BORLANDC__ 491f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project done = findnext(&f); 492f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 493f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#endif 494f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 495f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 496f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 497f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (!found) 498f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 499f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (check) 500f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 501f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fprintf(stderr, 502f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project "No SHA1 lines found in %s\n", 503f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project argv[i]); 504f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 505f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project else 506f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 507f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project fprintf(stderr, "No files checked.\n"); 508f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project syntax(argv[0]); 509f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 510f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 511f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return(0); /* JHB */ 512f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 513f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 514f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#endif /*CMDLINE*/ 515