Overview
Comment: | Updated to use C-based implementation of SHA1 |
---|---|
Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | internal_sha1 |
Files: | files | file ages | folders |
SHA1: | 853a9068a79a642e48aaf8ad228b1936edd57a9e |
User & Date: | rkeene on 2014-11-06 02:29:02 |
Other Links: | manifest | tags |
Context
2014-11-06
| ||
16:20 | Merged in internal_sha1 branch since we should use that as the basis going forward check-in: 5ffd966f05 user: rkeene tags: tcl-ops | |
02:29 | Updated to use C-based implementation of SHA1 Closed-Leaf check-in: 853a9068a7 user: rkeene tags: internal_sha1 | |
00:37 | Merged in updates from trunk check-in: ee9eb7ed98 user: rkeene tags: internal_sha1 | |
Changes
Modified .fossil-settings/ignore-glob from [5155de6731] to [6f815d9a84].
1 2 3 |
appfsd appfsd.o appfsd.tcl.h |
> > |
1 2 3 4 5 |
appfsd appfsd.o appfsd.tcl.h sha1.o sha1.tcl.h |
Modified Makefile from [bee1193267] to [a8fe70a2c7].
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 |
TCLCONFIG_SH_PATH = $(shell echo 'puts [::tcl::pkgconfig get libdir,install]' | tclsh)/tclConfig.sh endif TCL_CFLAGS = $(shell . $(TCLCONFIG_SH_PATH); echo "$${TCL_INCLUDE_SPEC}") TCL_LIBS = $(shell . $(TCLCONFIG_SH_PATH); echo "$${TCL_LIB_SPEC}") all: appfsd appfsd: appfsd.o $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o appfsd appfsd.o $(LIBS) appfsd.o: appfsd.c appfsd.tcl.h $(CC) $(CPPFLAGS) $(CFLAGS) -o appfsd.o -c appfsd.c appfsd.tcl.h: appfsd.tcl sha1.tcl sed '/@@SHA1\.TCL@@/ r sha1.tcl' appfsd.tcl | sed '/@@SHA1\.TCL@@/ d' | sed 's@[\\"]@\\&@g;s@^@ "@;s@$$@\\n"@' > appfsd.tcl.h.new mv appfsd.tcl.h.new appfsd.tcl.h install: appfsd if [ ! -d '$(DESTDIR)$(sbindir)' ]; then mkdir -p '$(DESTDIR)$(sbindir)'; chmod 755 '$(DESTDIR)$(sbindir)'; fi cp appfsd '$(DESTDIR)$(sbindir)/' clean: rm -f appfsd appfsd.o rm -f appfsd.tcl.h distclean: clean .PHONY: all test clean distclean install |
| | | > > > | < > > |
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 |
TCLCONFIG_SH_PATH = $(shell echo 'puts [::tcl::pkgconfig get libdir,install]' | tclsh)/tclConfig.sh endif TCL_CFLAGS = $(shell . $(TCLCONFIG_SH_PATH); echo "$${TCL_INCLUDE_SPEC}") TCL_LIBS = $(shell . $(TCLCONFIG_SH_PATH); echo "$${TCL_LIB_SPEC}") all: appfsd appfsd: appfsd.o sha1.o $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o appfsd appfsd.o sha1.o $(LIBS) appfsd.o: appfsd.c appfsd.tcl.h $(CC) $(CPPFLAGS) $(CFLAGS) -o appfsd.o -c appfsd.c sha1.o: sha1.c sha1.tcl.h $(CC) $(CPPFLAGS) $(CFLAGS) -o sha1.o -c sha1.c %.tcl.h: %.tcl sed 's@[\\"]@\\&@g;s@^@ "@;s@$$@\\n"@' $^ > $@.new mv $@.new $@ install: appfsd if [ ! -d '$(DESTDIR)$(sbindir)' ]; then mkdir -p '$(DESTDIR)$(sbindir)'; chmod 755 '$(DESTDIR)$(sbindir)'; fi cp appfsd '$(DESTDIR)$(sbindir)/' clean: rm -f appfsd appfsd.o rm -f appfsd.tcl.h rm -f sha1.o sha1.tcl.h distclean: clean .PHONY: all test clean distclean install |
Modified appfsd.c from [72840611b5] to [f25bb5c801].
10 11 12 13 14 15 16 17 18 19 20 21 22 23 .. 91 92 93 94 95 96 97 98 99 100 101 102 103 104 .... 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 |
#include <errno.h> #include <fcntl.h> #include <stdio.h> #include <fuse.h> #include <pwd.h> #include <tcl.h> #ifndef APPFS_CACHEDIR #define APPFS_CACHEDIR "/var/cache/appfs" #endif #ifdef DEBUG #define APPFS_DEBUG(x...) { fprintf(stderr, "[debug] %s:%i:%s: ", __FILE__, __LINE__, __func__); fprintf(stderr, x); fprintf(stderr, "\n"); } #else ................................................................................ return(NULL); } tcl_ret = Tcl_Init(interp); if (tcl_ret != TCL_OK) { fprintf(stderr, "Unable to initialize Tcl. Aborting.\n"); Tcl_DeleteInterp(interp); return(NULL); } tcl_ret = Tcl_Eval(interp, "" ................................................................................ char dbfilename[1024]; int pthread_ret, snprintf_ret, sqlite_ret; globalThread.cachedir = cachedir; globalThread.boottime = time(NULL); globalThread.platform = "linux-x86_64"; globalThread.options.writable = 1; pthread_ret = pthread_key_create(&interpKey, NULL); if (pthread_ret != 0) { fprintf(stderr, "Unable to create TSD key for Tcl. Aborting.\n"); return(1); } |
> > > > > > > > > > > > > > > > |
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 .. 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 .... 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 |
#include <errno.h> #include <fcntl.h> #include <stdio.h> #include <fuse.h> #include <pwd.h> #include <tcl.h> /* From sha1.c */ int Sha1_Init(Tcl_Interp *interp); #ifndef APPFS_CACHEDIR #define APPFS_CACHEDIR "/var/cache/appfs" #endif #ifdef DEBUG #define APPFS_DEBUG(x...) { fprintf(stderr, "[debug] %s:%i:%s: ", __FILE__, __LINE__, __func__); fprintf(stderr, x); fprintf(stderr, "\n"); } #else ................................................................................ return(NULL); } tcl_ret = Tcl_Init(interp); if (tcl_ret != TCL_OK) { fprintf(stderr, "Unable to initialize Tcl. Aborting.\n"); fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp)); Tcl_DeleteInterp(interp); return(NULL); } tcl_ret = Tcl_Eval(interp, "package ifneeded sha1 1.0 [list load {} sha1]"); if (tcl_ret != TCL_OK) { fprintf(stderr, "Unable to initialize Tcl SHA1. Aborting.\n"); fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp)); Tcl_DeleteInterp(interp); return(NULL); } tcl_ret = Tcl_Eval(interp, "" ................................................................................ char dbfilename[1024]; int pthread_ret, snprintf_ret, sqlite_ret; globalThread.cachedir = cachedir; globalThread.boottime = time(NULL); globalThread.platform = "linux-x86_64"; globalThread.options.writable = 1; Tcl_StaticPackage(NULL, "sha1", Sha1_Init, NULL); pthread_ret = pthread_key_create(&interpKey, NULL); if (pthread_ret != 0) { fprintf(stderr, "Unable to create TSD key for Tcl. Aborting.\n"); return(1); } |
Modified appfsd.tcl from [86cb2b92c8] to [1a0526f9cf].
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
#! /usr/bin/env tclsh package require http 2.7 package require sqlite3 if {[catch { package require sha1 }]} { @@SHA1.TCL@@ package require sha1 } namespace eval ::appfs { variable cachedir "/tmp/appfs-cache" variable ttl 3600 variable nttl 60 proc _hash_sep {hash {seps 4}} { |
< < | < < < < |
1 2 3 4 5 6 7 8 9 10 11 12 |
#! /usr/bin/env tclsh package require http 2.7 package require sqlite3 package require sha1 namespace eval ::appfs { variable cachedir "/tmp/appfs-cache" variable ttl 3600 variable nttl 60 proc _hash_sep {hash {seps 4}} { |
Modified sha1.c from [633b35595f] to [a59d293e66].
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 ... 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 ... 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 ... 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 |
/* This code is public-domain - it is based on libcrypt * placed in the public domain by Wei Dai and other contributors. */ /* http://oauth.googlecode.com/svn/code/c/liboauth/src/sha1.c */ #include <tcl.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <stdint.h> #include <string.h> #include <fcntl.h> #ifdef __BIG_ENDIAN__ # define SHA_BIG_ENDIAN #elif defined __LITTLE_ENDIAN__ #elif defined __BYTE_ORDER # if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ # define SHA_BIG_ENDIAN # endif #else /* ! defined __LITTLE_ENDIAN__ */ # include <endian.h> /* machine/endian.h */ # if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ # define SHA_BIG_ENDIAN # endif #endif /* header */ #define HASH_LENGTH 20 #define BLOCK_LENGTH 64 typedef struct sha1info { uint32_t buffer[BLOCK_LENGTH / 4]; uint32_t state[HASH_LENGTH / 4]; uint32_t byteCount; uint8_t bufferOffset; uint8_t keyBuffer[BLOCK_LENGTH]; uint8_t innerHash[HASH_LENGTH]; } sha1info; /* public API - prototypes - TODO: doxygen*/ /** */ static void sha1_init(sha1info *s); /** */ static void sha1_writebyte(sha1info *s, uint8_t data); /** */ static void sha1_write(sha1info *s, const char *data, size_t len); /** */ static uint8_t *sha1_result(sha1info *s); /** */ static void sha1_initHmac(sha1info *s, const uint8_t *key, int keyLength); /** */ static uint8_t *sha1_resultHmac(sha1info *s); /* code */ #define SHA1_K0 0x5a827999 #define SHA1_K20 0x6ed9eba1 #define SHA1_K40 0x8f1bbcdc #define SHA1_K60 0xca62c1d6 static void sha1_init(sha1info *s) { s->state[0] = 0x67452301; s->state[1] = 0xefcdab89; s->state[2] = 0x98badcfe; s->state[3] = 0x10325476; s->state[4] = 0xc3d2e1f0; s->byteCount = 0; s->bufferOffset = 0; } static uint32_t sha1_rol32(uint32_t number, uint8_t bits) { return ((number << bits) | (number >> (32 - bits))); } static void sha1_hashBlock(sha1info *s) { uint8_t i; uint32_t a, b, c, d, e, t; a = s->state[0]; b = s->state[1]; c = s->state[2]; d = s->state[3]; e = s->state[4]; for (i = 0; i < 80; i++) { if (i >= 16) { t = s->buffer[(i + 13) & 15] ^ s->buffer[(i + 8) & 15] ^ s->buffer[(i + 2) & 15] ^ s->buffer[i & 15]; s->buffer[i & 15] = sha1_rol32(t, 1); } if (i < 20) { t = (d ^ (b & (c ^ d))) + SHA1_K0; } else if (i < 40) { t = (b ^ c ^ d) + SHA1_K20; } else if (i < 60) { t = ((b & c) | (d & (b | c))) + SHA1_K40; } else { t = (b ^ c ^ d) + SHA1_K60; } t += sha1_rol32(a, 5) + e + s->buffer[i & 15]; e = d; d = c; c = sha1_rol32(b, 30); b = a; a = t; } s->state[0] += a; s->state[1] += b; s->state[2] += c; s->state[3] += d; s->state[4] += e; } static void sha1_addUncounted(sha1info *s, uint8_t data) { uint8_t * const b = (uint8_t *) s->buffer; #ifdef SHA_BIG_ENDIAN b[s->bufferOffset] = data; #else b[s->bufferOffset ^ 3] = data; #endif s->bufferOffset++; if (s->bufferOffset == BLOCK_LENGTH) { sha1_hashBlock(s); s->bufferOffset = 0; } } static void sha1_writebyte(sha1info *s, uint8_t data) { ++s->byteCount; sha1_addUncounted(s, data); } static void sha1_write(sha1info *s, const char *data, size_t len) { for (; len--; ) { sha1_writebyte(s, (uint8_t) *data++); } } static void sha1_pad(sha1info *s) { /* Implement SHA-1 padding (fips180-2 ยง5.1.1) */ /* Pad with 0x80 followed by 0x00 until the end of the block */ sha1_addUncounted(s, 0x80); while (s->bufferOffset != 56) { sha1_addUncounted(s, 0x00); } /* Append length in the last 8 bytes */ sha1_addUncounted(s, 0); /* We're only using 32 bit lengths */ sha1_addUncounted(s, 0); /* But SHA-1 supports 64 bit lengths */ sha1_addUncounted(s, 0); /* So zero pad the top bits */ sha1_addUncounted(s, s->byteCount >> 29); /* Shifting to multiply by 8 */ sha1_addUncounted(s, s->byteCount >> 21); /* as SHA-1 supports bitstreams as well as */ sha1_addUncounted(s, s->byteCount >> 13); /* byte. */ sha1_addUncounted(s, s->byteCount >> 5); sha1_addUncounted(s, s->byteCount << 3); } static uint8_t *sha1_result(sha1info *s) { int i; /* Pad to complete the last block */ sha1_pad(s); #ifndef SHA_BIG_ENDIAN /* Swap byte order back */ for (i = 0; i < 5; i++) { s->state[i]= (((s->state[i]) << 24) & 0xff000000) | (((s->state[i]) << 8) & 0x00ff0000) | (((s->state[i]) >> 8) & 0x0000ff00) | (((s->state[i]) >> 24) & 0x000000ff); } #endif /* Return pointer to hash (20 characters) */ return((uint8_t *) s->state); } #define HMAC_IPAD 0x36 #define HMAC_OPAD 0x5c static void sha1_initHmac(sha1info *s, const uint8_t *key, int keyLength) { uint8_t i; memset(s->keyBuffer, 0, BLOCK_LENGTH); if (keyLength > BLOCK_LENGTH) { /* Hash long keys */ sha1_init(s); for (; keyLength--; ) { sha1_writebyte(s, *key++); } memcpy(s->keyBuffer, sha1_result(s), HASH_LENGTH); } else { /* Block length keys are used as is */ memcpy(s->keyBuffer, key, keyLength); } /* Start inner hash */ sha1_init(s); for (i=0; i<BLOCK_LENGTH; i++) { sha1_writebyte(s, s->keyBuffer[i] ^ HMAC_IPAD); } return; } static uint8_t *sha1_resultHmac(sha1info *s) { uint8_t i; /* Complete inner hash */ memcpy(s->innerHash, sha1_result(s), HASH_LENGTH); /* Calculate outer hash */ sha1_init(s); for (i = 0; i < BLOCK_LENGTH; i++) { sha1_writebyte(s, s->keyBuffer[i] ^ HMAC_OPAD); } for (i = 0; i < HASH_LENGTH; i++) { sha1_writebyte(s, s->innerHash[i]); } return(sha1_result(s)); } static Tcl_Obj* c_sha1__sha1_file(char* file) { sha1info sha1; uint8_t buf[4096]; int fd; ssize_t read_ret; Tcl_Obj *ret; fd = open(file, O_RDONLY); if (fd < 0) { return(NULL); } sha1_init(&sha1); while (1) { read_ret = read(fd, buf, sizeof(buf)); if (read_ret == 0) { break; } ................................................................................ if (read_ret < 0) { close(fd); return(NULL); } sha1_write(&sha1, buf, read_ret); } close(fd); sha1_result(&sha1); ret = Tcl_NewByteArrayObj(sha1_result(&sha1), HASH_LENGTH); return(ret); } static int tcl_sha1__sha1_file(ClientData dummy, Tcl_Interp *ip, int objc, Tcl_Obj *CONST objv[]) { char* _file; Tcl_Obj* rv; ................................................................................ } _file = Tcl_GetString(objv[1]); rv = c_sha1__sha1_file(_file); if (rv == NULL) { return(TCL_ERROR); } Tcl_SetObjResult(ip, rv); Tcl_DecrRefCount(rv); return TCL_OK; } static Tcl_Obj* c_sha1__sha1_string(Tcl_Obj* str) { sha1info sha1; unsigned char *buf; int buf_len; Tcl_Obj *ret; sha1_init(&sha1); buf = Tcl_GetByteArrayFromObj(str, &buf_len); if (buf == NULL) { return(NULL); } sha1_write(&sha1, buf, buf_len); sha1_result(&sha1); ret = Tcl_NewByteArrayObj(sha1_result(&sha1), HASH_LENGTH); return(ret); } static int tcl_sha1__sha1_string(ClientData dummy, Tcl_Interp *ip, int objc, Tcl_Obj *CONST objv[]) { Tcl_Obj* _str; Tcl_Obj* rv; ................................................................................ } _str = objv[1]; rv = c_sha1__sha1_string(_str); if (rv == NULL) { return(TCL_ERROR); } Tcl_SetObjResult(ip, rv); Tcl_DecrRefCount(rv); return TCL_OK; } int Sha1_Init(Tcl_Interp *interp) { #ifdef USE_TCL_STUBS if (Tcl_InitStubs(interp, TCL_VERSION, 0) == 0L) { return TCL_ERROR; } #endif Tcl_CreateObjCommand(interp, "sha1::_sha1_file", tcl_sha1__sha1_file, NULL, NULL); Tcl_CreateObjCommand(interp, "sha1::_sha1_string", tcl_sha1__sha1_string, NULL, NULL); Tcl_PkgProvide(interp, "sha1", "1.0"); return(TCL_OK); } |
| | > > > > > > > > > > | < > > > > > > > > > > > | | > | > > > | > > > > > > > | | > | | < < < > > > | > < < < > < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | | | | < > | | | | | < < < | > > > > > > < < | > < > > > | | > > > > > > > > > > > | | | | | < < < < | < < < < < < < < < < < | | | | > > > > > > > > > > > > > > > > > | > | | | | | | > > | < < < < < < < < < < < | | < < < < < < < < < < < < > > > | | < > | | | | | < < < < < < < < < | < < > > | < < > > > | < < < < < < < < | < < < > | > > > > > | < < > > > | < < < < < < < < > | < < < < | < < < < > > > > | > > | < | > < < > > | < < < < < > | < > < < | > > < > > > > > > > < < > > | | | | | | | | | | | | | > > > |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 ... 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 ... 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 ... 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 |
/* SHA-1 in C By Steve Reid <steve@edmweb.com> 100% Public Domain Test Vectors (from FIPS PUB 180-1) "abc" A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1 A million repetitions of "a" 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F */ /* #define LITTLE_ENDIAN * This should be #define'd if true. */ /* #define SHA1HANDSOFF * Copies data before messing with it. */ #include <tcl.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <stdint.h> #include <string.h> #include <fcntl.h> #include <stdio.h> #define SHA1HANDSOFF 1 typedef struct { uint32_t state[5]; uint32_t count[2]; uint8_t buffer[64]; } SHA1_CTX; #ifndef __BIG_ENDIAN #define __BIG_ENDIAN 4321 #endif #ifndef __LITTLE_ENDIAN #define __LITTLE_ENDIAN 1234 #endif #ifndef __BYTE_ORDER #ifdef WORDS_BIGENDIAN #define __BYTE_ORDER __BIG_ENDIAN #else #define __BYTE_ORDER __LITTLE_ENDIAN #endif #endif #if __BYTE_ORDER == __BIG_ENDIAN #ifndef BIG_ENDIAN #define BIG_ENDIAN 1 #endif #undef LITTLE_ENDIAN #else #ifndef LITTLE_ENDIAN #define LITTLE_ENDIAN 1 #endif #undef BIG_ENDIAN #endif #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits)))) /* blk0() and blk() perform the initial expand. */ /* I got the idea of expanding during the round function from SSLeay */ #ifdef LITTLE_ENDIAN #define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \ |(rol(block->l[i],8)&0x00FF00FF)) #else #define blk0(i) block->l[i] #endif #define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \ ^block->l[(i+2)&15]^block->l[i&15],1)) /* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */ #define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30); #define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30); #define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30); #define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30); #define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30); /* Hash a single 512-bit block. This is the core of the algorithm. */ static void SHA1Transform(uint32_t state[5], uint8_t buffer[64]) { uint32_t a, b, c, d, e; typedef union { uint8_t c[64]; uint32_t l[16]; } CHAR64LONG16; CHAR64LONG16* block; #ifdef SHA1HANDSOFF uint8_t workspace[sizeof(*block)]; block = (CHAR64LONG16*)workspace; memcpy(block, buffer, sizeof(*block)); #else block = (CHAR64LONG16*)buffer; #endif /* Copy context->state[] to working vars */ a = state[0]; b = state[1]; c = state[2]; d = state[3]; e = state[4]; /* 4 rounds of 20 operations each. Loop unrolled. */ R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3); R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7); R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11); R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15); R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19); R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23); R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27); R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31); R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35); R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39); R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43); R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47); R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51); R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55); R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59); R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63); R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67); R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71); R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75); R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79); /* Add the working vars back into context.state[] */ state[0] += a; state[1] += b; state[2] += c; state[3] += d; state[4] += e; /* Wipe variables */ a = b = c = d = e = 0; } /* SHA1Init - Initialize new context */ static void SHA1Init(SHA1_CTX* context) { /* SHA1 initialization constants */ context->state[0] = 0x67452301; context->state[1] = 0xEFCDAB89; context->state[2] = 0x98BADCFE; context->state[3] = 0x10325476; context->state[4] = 0xC3D2E1F0; context->count[0] = 0; context->count[1] = 0; } /* Run your data through this. */ static void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned int len) { unsigned int i, j; j = (context->count[0] >> 3) & 63; if ((context->count[0] += len << 3) < (len << 3)) { context->count[1]++; } context->count[1] += (len >> 29); if ((j + len) > 63) { memcpy(&context->buffer[j], data, (i = 64-j)); SHA1Transform(context->state, context->buffer); for ( ; i + 63 < len; i += 64) { SHA1Transform(context->state, &data[i]); } j = 0; } else { i = 0; } memcpy(&context->buffer[j], &data[i], len - i); } /* Add padding and return the message digest. */ static void SHA1Final(unsigned char digest[20], SHA1_CTX* context) { unsigned long i; unsigned char finalcount[8]; for (i = 0; i < 8; i++) { finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)] >> ((3-(i & 3)) * 8) ) & 255); /* Endian independent */ } SHA1Update(context, (unsigned char *) "\200", 1); while ((context->count[0] & 504) != 448) { SHA1Update(context, (unsigned char *)"\0", 1); } SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */ for (i = 0; i < 20; i++) { digest[i] = (unsigned char) ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255); } /* Wipe variables */ i = 0; memset(context->buffer, 0, 64); memset(context->state, 0, 20); memset(context->count, 0, 8); memset(&finalcount, 0, 8); #ifdef SHA1HANDSOFF /* make SHA1Transform overwrite it's own static vars */ SHA1Transform(context->state, context->buffer); #endif } static Tcl_Obj* c_sha1__sha1_file(char* file) { SHA1_CTX ctx; unsigned char digest[20]; unsigned char buf[4096]; int fd; ssize_t read_ret; Tcl_Obj *ret; fd = open(file, O_RDONLY); if (fd < 0) { return(NULL); } SHA1Init(&ctx); while (1) { read_ret = read(fd, buf, sizeof(buf)); if (read_ret == 0) { break; } ................................................................................ if (read_ret < 0) { close(fd); return(NULL); } SHA1Update(&ctx, buf, read_ret); } close(fd); SHA1Final(digest, &ctx); ret = Tcl_NewByteArrayObj(digest, sizeof(digest)); return(ret); } static int tcl_sha1__sha1_file(ClientData dummy, Tcl_Interp *ip, int objc, Tcl_Obj *CONST objv[]) { char* _file; Tcl_Obj* rv; ................................................................................ } _file = Tcl_GetString(objv[1]); rv = c_sha1__sha1_file(_file); if (rv == NULL) { return(TCL_ERROR); } Tcl_SetObjResult(ip, rv); return TCL_OK; } static Tcl_Obj* c_sha1__sha1_string(Tcl_Obj* str) { SHA1_CTX ctx; unsigned char digest[20]; unsigned char *buf; int buf_len; Tcl_Obj *ret; SHA1Init(&ctx); buf = Tcl_GetByteArrayFromObj(str, &buf_len); if (buf == NULL) { return(NULL); } SHA1Update(&ctx, buf, buf_len); SHA1Final(digest, &ctx); ret = Tcl_NewByteArrayObj(digest, sizeof(digest)); return(ret); } static int tcl_sha1__sha1_string(ClientData dummy, Tcl_Interp *ip, int objc, Tcl_Obj *CONST objv[]) { Tcl_Obj* _str; Tcl_Obj* rv; ................................................................................ } _str = objv[1]; rv = c_sha1__sha1_string(_str); if (rv == NULL) { return(TCL_ERROR); } Tcl_SetObjResult(ip, rv); return TCL_OK; } int Sha1_Init(Tcl_Interp *interp) { #ifdef USE_TCL_STUBS if (Tcl_InitStubs(interp, TCL_VERSION, 0) == 0L) { return TCL_ERROR; } #endif Tcl_CreateObjCommand(interp, "sha1::_sha1_file", tcl_sha1__sha1_file, NULL, NULL); Tcl_CreateObjCommand(interp, "sha1::_sha1_string", tcl_sha1__sha1_string, NULL, NULL); Tcl_Eval(interp, #include "sha1.tcl.h" ); Tcl_PkgProvide(interp, "sha1", "1.0"); return(TCL_OK); } |
Modified sha1.tcl from [a8b3b2afbe] to [235aac1913].
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 |
# sha1.tcl - # @@ Meta Begin # Package sha1 2.0.3 # Meta platform tcl # Meta rsk::build::date 2011-03-30 # Meta description Part of the Tclib sha1 module # Meta require {Tcl 8.2} # @@ Meta End # # Copyright (C) 2001 Don Libes <libes@nist.gov> # Copyright (C) 2003 Pat Thoyts <patthoyts@users.sourceforge.net> # # SHA1 defined by FIPS 180-1, "The SHA1 Message-Digest Algorithm" # HMAC defined by RFC 2104, "Keyed-Hashing for Message Authentication" # # This is an implementation of SHA1 based upon the example code given in # FIPS 180-1 and upon the tcllib MD4 implementation and taking some ideas # and methods from the earlier tcllib sha1 version by Don Libes. # # This implementation permits incremental updating of the hash and # provides support for external compiled implementations either using # critcl (sha1c) or Trf. # # ref: http://www.itl.nist.gov/fipspubs/fip180-1.htm # # ------------------------------------------------------------------------- # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # ------------------------------------------------------------------------- # # $Id: sha1.tcl,v 1.22 2009/05/07 00:35:10 patthoyts Exp $ # @mdgen EXCLUDE: sha1c.tcl package require Tcl 8.2; # tcl minimum version namespace eval ::sha1 { variable version 2.0.3 namespace export sha1 hmac SHA1Init SHA1Update SHA1Final variable uid if {![info exists uid]} { set uid 0 } } proc ::sha1::SHA1Init {} { variable uid set token [namespace current]::[incr uid] upvar #0 $token state # FIPS 180-1: 7 - Initialize the hash state array set state \ [list \ A [expr {int(0x67452301)}] \ B [expr {int(0xEFCDAB89)}] \ C [expr {int(0x98BADCFE)}] \ D [expr {int(0x10325476)}] \ E [expr {int(0xC3D2E1F0)}] \ n 0 i "" ] return $token } # SHA1Update -- # # This is called to add more data into the hash. You may call this # as many times as you require. Note that passing in "ABC" is equivalent # to passing these letters in as separate calls -- hence this proc # permits hashing of chunked data # # If we have a C-based implementation available, then we will use # it here in preference to the pure-Tcl implementation. # proc ::sha1::SHA1Update {token data} { upvar #0 $token state # Update the state values incr state(n) [string length $data] append state(i) $data # Calculate the hash for any complete blocks set len [string length $state(i)] for {set n 0} {($n + 64) <= $len} {} { SHA1Transform $token [string range $state(i) $n [incr n 64]] } # Adjust the state for the blocks completed. set state(i) [string range $state(i) $n end] return } # SHA1Final -- # # This procedure is used to close the current hash and returns the # hash data. Once this procedure has been called the hash context # is freed and cannot be used again. # # Note that the output is 160 bits represented as binary data. # proc ::sha1::SHA1Final {token} { upvar #0 $token state # Padding # set len [string length $state(i)] set pad [expr {56 - ($len % 64)}] if {$len % 64 > 56} { incr pad 64 } if {$pad == 0} { incr pad 64 } append state(i) [binary format a$pad \x80] # Append length in bits as big-endian wide int. set dlen [expr {8 * $state(n)}] append state(i) [binary format II 0 $dlen] # Calculate the hash for the remaining block. set len [string length $state(i)] for {set n 0} {($n + 64) <= $len} {} { SHA1Transform $token [string range $state(i) $n [incr n 64]] } # Output set r [bytes $state(A)][bytes $state(B)][bytes $state(C)][bytes $state(D)][bytes $state(E)] unset state return $r } # ------------------------------------------------------------------------- # HMAC Hashed Message Authentication (RFC 2104) # # hmac = H(K xor opad, H(K xor ipad, text)) # # HMACInit -- # # This is equivalent to the SHA1Init procedure except that a key is # added into the algorithm # proc ::sha1::HMACInit {K} { # Key K is adjusted to be 64 bytes long. If K is larger, then use # the SHA1 digest of K and pad this instead. set len [string length $K] if {$len > 64} { set tok [SHA1Init] SHA1Update $tok $K set K [SHA1Final $tok] set len [string length $K] } set pad [expr {64 - $len}] append K [string repeat \0 $pad] # Cacluate the padding buffers. set Ki {} set Ko {} binary scan $K i16 Ks foreach k $Ks { append Ki [binary format i [expr {$k ^ 0x36363636}]] append Ko [binary format i [expr {$k ^ 0x5c5c5c5c}]] } set tok [SHA1Init] SHA1Update $tok $Ki; # initialize with the inner pad # preserve the Ko value for the final stage. # FRINK: nocheck set [subst $tok](Ko) $Ko return $tok } # HMACUpdate -- # # Identical to calling SHA1Update # proc ::sha1::HMACUpdate {token data} { SHA1Update $token $data return } # HMACFinal -- # # This is equivalent to the SHA1Final procedure. The hash context is # closed and the binary representation of the hash result is returned. # proc ::sha1::HMACFinal {token} { upvar #0 $token state set tok [SHA1Init]; # init the outer hashing function SHA1Update $tok $state(Ko); # prepare with the outer pad. SHA1Update $tok [SHA1Final $token]; # hash the inner result return [SHA1Final $tok] } # ------------------------------------------------------------------------- # Description: # This is the core SHA1 algorithm. It is a lot like the MD4 algorithm but # includes an extra round and a set of constant modifiers throughout. # set ::sha1::SHA1Transform_body { upvar #0 $token state # FIPS 180-1: 7a: Process Message in 16-Word Blocks binary scan $msg I* blocks set blockLen [llength $blocks] for {set i 0} {$i < $blockLen} {incr i 16} { set W [lrange $blocks $i [expr {$i+15}]] # FIPS 180-1: 7b: Expand the input into 80 words # For t = 16 to 79 # let Wt = (Wt-3 ^ Wt-8 ^ Wt-14 ^ Wt-16) <<< 1 set t3 12 set t8 7 set t14 1 set t16 -1 for {set t 16} {$t < 80} {incr t} { set x [expr {[lindex $W [incr t3]] ^ [lindex $W [incr t8]] ^ \ [lindex $W [incr t14]] ^ [lindex $W [incr t16]]}] lappend W [expr {int(($x << 1) | (($x >> 31) & 1))}] } # FIPS 180-1: 7c: Copy hash state. set A $state(A) set B $state(B) set C $state(C) set D $state(D) set E $state(E) # FIPS 180-1: 7d: Do permutation rounds # For t = 0 to 79 do # TEMP = (A<<<5) + ft(B,C,D) + E + Wt + Kt; # E = D; D = C; C = S30(B); B = A; A = TEMP; # Round 1: ft(B,C,D) = (B & C) | (~B & D) ( 0 <= t <= 19) for {set t 0} {$t < 20} {incr t} { set TEMP [F1 $A $B $C $D $E [lindex $W $t]] set E $D set D $C set C [rotl32 $B 30] set B $A set A $TEMP } # Round 2: ft(B,C,D) = (B ^ C ^ D) ( 20 <= t <= 39) for {} {$t < 40} {incr t} { set TEMP [F2 $A $B $C $D $E [lindex $W $t]] set E $D set D $C set C [rotl32 $B 30] set B $A set A $TEMP } # Round 3: ft(B,C,D) = ((B & C) | (B & D) | (C & D)) ( 40 <= t <= 59) for {} {$t < 60} {incr t} { set TEMP [F3 $A $B $C $D $E [lindex $W $t]] set E $D set D $C set C [rotl32 $B 30] set B $A set A $TEMP } # Round 4: ft(B,C,D) = (B ^ C ^ D) ( 60 <= t <= 79) for {} {$t < 80} {incr t} { set TEMP [F4 $A $B $C $D $E [lindex $W $t]] set E $D set D $C set C [rotl32 $B 30] set B $A set A $TEMP } # Then perform the following additions. (That is, increment each # of the four registers by the value it had before this block # was started.) incr state(A) $A incr state(B) $B incr state(C) $C incr state(D) $D incr state(E) $E } return } proc ::sha1::F1 {A B C D E W} { expr {(((($A << 5) & 0xffffffff) | (($A >> 27) & 0x1f)) \ + ($D ^ ($B & ($C ^ $D))) + $E + $W + 0x5a827999) & 0xffffffff} } proc ::sha1::F2 {A B C D E W} { expr {(((($A << 5) & 0xffffffff) | (($A >> 27) & 0x1f)) \ + ($B ^ $C ^ $D) + $E + $W + 0x6ed9eba1) & 0xffffffff} } proc ::sha1::F3 {A B C D E W} { expr {(((($A << 5) & 0xffffffff)| (($A >> 27) & 0x1f)) \ + (($B & $C) | ($D & ($B | $C))) + $E + $W + 0x8f1bbcdc) & 0xffffffff} } proc ::sha1::F4 {A B C D E W} { expr {(((($A << 5) & 0xffffffff)| (($A >> 27) & 0x1f)) \ + ($B ^ $C ^ $D) + $E + $W + 0xca62c1d6) & 0xffffffff} } proc ::sha1::rotl32 {v n} { return [expr {((($v << $n) \ | (($v >> (32 - $n)) \ & (0x7FFFFFFF >> (31 - $n))))) \ & 0xFFFFFFFF}] } # ------------------------------------------------------------------------- # # In order to get this code to go as fast as possible while leaving # the main code readable we can substitute the above function bodies # into the transform procedure. This inlines the code for us an avoids # a procedure call overhead within the loops. # # We can do some minor tweaking to improve speed on Tcl < 8.5 where we # know our arithmetic is limited to 64 bits. On > 8.5 we may have # unconstrained integer arithmetic and must avoid letting it run away. # regsub -all -line \ {\[F1 \$A \$B \$C \$D \$E (\[.*?\])\]} \ $::sha1::SHA1Transform_body \ {[expr {(rotl32($A,5) + ($D ^ ($B \& ($C ^ $D))) + $E + \1 + 0x5a827999) \& 0xffffffff}]} \ ::sha1::SHA1Transform_body_tmp regsub -all -line \ {\[F2 \$A \$B \$C \$D \$E (\[.*?\])\]} \ $::sha1::SHA1Transform_body_tmp \ {[expr {(rotl32($A,5) + ($B ^ $C ^ $D) + $E + \1 + 0x6ed9eba1) \& 0xffffffff}]} \ ::sha1::SHA1Transform_body_tmp regsub -all -line \ {\[F3 \$A \$B \$C \$D \$E (\[.*?\])\]} \ $::sha1::SHA1Transform_body_tmp \ {[expr {(rotl32($A,5) + (($B \& $C) | ($D \& ($B | $C))) + $E + \1 + 0x8f1bbcdc) \& 0xffffffff}]} \ ::sha1::SHA1Transform_body_tmp regsub -all -line \ {\[F4 \$A \$B \$C \$D \$E (\[.*?\])\]} \ $::sha1::SHA1Transform_body_tmp \ {[expr {(rotl32($A,5) + ($B ^ $C ^ $D) + $E + \1 + 0xca62c1d6) \& 0xffffffff}]} \ ::sha1::SHA1Transform_body_tmp regsub -all -line \ {rotl32\(\$A,5\)} \ $::sha1::SHA1Transform_body_tmp \ {((($A << 5) \& 0xffffffff) | (($A >> 27) \& 0x1f))} \ ::sha1::SHA1Transform_body_tmp regsub -all -line \ {\[rotl32 \$B 30\]} \ $::sha1::SHA1Transform_body_tmp \ {[expr {int(($B << 30) | (($B >> 2) \& 0x3fffffff))}]} \ ::sha1::SHA1Transform_body_tmp # # Version 2 avoids a few truncations to 32 bits in non-essential places. # regsub -all -line \ {\[F1 \$A \$B \$C \$D \$E (\[.*?\])\]} \ $::sha1::SHA1Transform_body \ {[expr {rotl32($A,5) + ($D ^ ($B \& ($C ^ $D))) + $E + \1 + 0x5a827999}]} \ ::sha1::SHA1Transform_body_tmp2 regsub -all -line \ {\[F2 \$A \$B \$C \$D \$E (\[.*?\])\]} \ $::sha1::SHA1Transform_body_tmp2 \ {[expr {rotl32($A,5) + ($B ^ $C ^ $D) + $E + \1 + 0x6ed9eba1}]} \ ::sha1::SHA1Transform_body_tmp2 regsub -all -line \ {\[F3 \$A \$B \$C \$D \$E (\[.*?\])\]} \ $::sha1::SHA1Transform_body_tmp2 \ {[expr {rotl32($A,5) + (($B \& $C) | ($D \& ($B | $C))) + $E + \1 + 0x8f1bbcdc}]} \ ::sha1::SHA1Transform_body_tmp2 regsub -all -line \ {\[F4 \$A \$B \$C \$D \$E (\[.*?\])\]} \ $::sha1::SHA1Transform_body_tmp2 \ {[expr {rotl32($A,5) + ($B ^ $C ^ $D) + $E + \1 + 0xca62c1d6}]} \ ::sha1::SHA1Transform_body_tmp2 regsub -all -line \ {rotl32\(\$A,5\)} \ $::sha1::SHA1Transform_body_tmp2 \ {(($A << 5) | (($A >> 27) \& 0x1f))} \ ::sha1::SHA1Transform_body_tmp2 regsub -all -line \ {\[rotl32 \$B 30\]} \ $::sha1::SHA1Transform_body_tmp2 \ {[expr {($B << 30) | (($B >> 2) \& 0x3fffffff)}]} \ ::sha1::SHA1Transform_body_tmp2 if {[package vsatisfies [package provide Tcl] 8.5]} { proc ::sha1::SHA1Transform {token msg} $::sha1::SHA1Transform_body_tmp } else { proc ::sha1::SHA1Transform {token msg} $::sha1::SHA1Transform_body_tmp2 } unset ::sha1::SHA1Transform_body unset ::sha1::SHA1Transform_body_tmp unset ::sha1::SHA1Transform_body_tmp2 # ------------------------------------------------------------------------- proc ::sha1::byte {n v} {expr {((0xFF << (8 * $n)) & $v) >> (8 * $n)}} proc ::sha1::bytes {v} { #format %c%c%c%c [byte 0 $v] [byte 1 $v] [byte 2 $v] [byte 3 $v] format %c%c%c%c \ [expr {((0xFF000000 & $v) >> 24) & 0xFF}] \ [expr {(0xFF0000 & $v) >> 16}] \ [expr {(0xFF00 & $v) >> 8}] \ [expr {0xFF & $v}] } # ------------------------------------------------------------------------- proc ::sha1::Hex {data} { binary scan $data H* result return $result } # ------------------------------------------------------------------------- # Description: # Pop the nth element off a list. Used in options processing. # proc ::sha1::Pop {varname {nth 0}} { upvar $varname args set r [lindex $args $nth] set args [lreplace $args $nth $nth] return $r } # ------------------------------------------------------------------------- # fileevent handler for chunked file hashing. # proc ::sha1::Chunk {token channel {chunksize 4096}} { upvar #0 $token state if {[eof $channel]} { fileevent $channel readable {} set state(reading) 0 } SHA1Update $token [read $channel $chunksize] } # ------------------------------------------------------------------------- proc ::sha1::sha1 {args} { array set opts {-hex 0 -filename {} -channel {} -chunksize 4096} if {[llength $args] == 1} { set opts(-hex) 1 } else { while {[string match -* [set option [lindex $args 0]]]} { switch -glob -- $option { -hex { set opts(-hex) 1 } -bin { set opts(-hex) 0 } -file* { set opts(-filename) [Pop args 1] } -channel { set opts(-channel) [Pop args 1] } -chunksize { set opts(-chunksize) [Pop args 1] } default { if {[llength $args] == 1} { break } if {[string compare $option "--"] == 0} { Pop args; break } set err [join [lsort [concat -bin [array names opts]]] ", "] return -code error "bad option $option:\ must be one of $err" } } Pop args } } if {$opts(-filename) != {}} { set opts(-channel) [open $opts(-filename) r] fconfigure $opts(-channel) -translation binary } if {$opts(-channel) == {}} { if {[llength $args] != 1} { return -code error "wrong # args:\ should be \"sha1 ?-hex? -filename file | string\"" } set tok [SHA1Init] SHA1Update $tok [lindex $args 0] set r [SHA1Final $tok] } else { set tok [SHA1Init] # FRINK: nocheck set [subst $tok](reading) 1 fileevent $opts(-channel) readable \ [list [namespace origin Chunk] \ $tok $opts(-channel) $opts(-chunksize)] # FRINK: nocheck vwait [subst $tok](reading) set r [SHA1Final $tok] # If we opened the channel - we should close it too. if {$opts(-filename) != {}} { close $opts(-channel) } } if {$opts(-hex)} { set r [Hex $r] } return $r } # ------------------------------------------------------------------------- proc ::sha1::hmac {args} { array set opts {-hex 1 -filename {} -channel {} -chunksize 4096} if {[llength $args] != 2} { while {[string match -* [set option [lindex $args 0]]]} { switch -glob -- $option { -key { set opts(-key) [Pop args 1] } -hex { set opts(-hex) 1 } -bin { set opts(-hex) 0 } -file* { set opts(-filename) [Pop args 1] } -channel { set opts(-channel) [Pop args 1] } -chunksize { set opts(-chunksize) [Pop args 1] } default { if {[llength $args] == 1} { break } if {[string compare $option "--"] == 0} { Pop args; break } set err [join [lsort [array names opts]] ", "] return -code error "bad option $option:\ must be one of $err" } } Pop args } } if {[llength $args] == 2} { set opts(-key) [Pop args] } if {![info exists opts(-key)]} { return -code error "wrong # args:\ should be \"hmac ?-hex? -key key -filename file | string\"" } if {$opts(-filename) != {}} { set opts(-channel) [open $opts(-filename) r] fconfigure $opts(-channel) -translation binary } if {$opts(-channel) == {}} { if {[llength $args] != 1} { return -code error "wrong # args:\ should be \"hmac ?-hex? -key key -filename file | string\"" } set tok [HMACInit $opts(-key)] HMACUpdate $tok [lindex $args 0] set r [HMACFinal $tok] } else { set tok [HMACInit $opts(-key)] # FRINK: nocheck set [subst $tok](reading) 1 fileevent $opts(-channel) readable \ [list [namespace origin Chunk] \ $tok $opts(-channel) $opts(-chunksize)] # FRINK: nocheck vwait [subst $tok](reading) set r [HMACFinal $tok] # If we opened the channel - we should close it too. if {$opts(-filename) != {}} { close $opts(-channel) } } if {$opts(-hex)} { set r [Hex $r] } return $r } # ------------------------------------------------------------------------- package provide sha1 $::sha1::version # ------------------------------------------------------------------------- # Local Variables: # mode: tcl # indent-tabs-mode: nil # End: |
| | | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | < < > | > > > < > | < | < < < < < < < < < < < < < < < | < < | < < < < < < < | < < < < < < < < < < < < < < < < < < < < < < < < < > | > | < < < < < < < < < < < > | > | > > | > > | < < < < < < < < < < < < < < < < < < < | < < < < < > | | < | > > | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | < < < < < < < < < < |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 |
#! /usr/bin/env tclsh proc sha1::sha1 args { set outputmode "hex" if {[lindex $args 0] == "-hex"} { set outputmode "hex" set args [lrange $args 1 end] } elseif {[lindex $args 0] == "-bin"} { set outputmode "binary" set args [lrange $args 1 end] } if {[llength $args] == 2} { set mode [lindex $args 0] } elseif {[llength $args] == 1} { set mode "-string" } else { return -code error "wrong # args: sha1::sha1 ?-bin|-hex? ?-channel channel|-file file|string?" } switch -- $mode { "-channel" { return -code error "Not implemented" } "-file" { set output [_sha1_file [lindex $args end]] } "-string" { set output [_sha1_string [lindex $args end]] } default { return -code error "invalid mode: $mode, must be one of -channel or -file (or a plain string)" } } if {$outputmode == "hex"} { binary scan $output H* output } return $output } |