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
|
# SQLCipher
# codec.test developed by Stephen Lombardo (Zetetic LLC)
# sjlombardo at zetetic dot net
# http://zetetic.net
#
# Copyright (c) 2018, ZETETIC LLC
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the ZETETIC LLC nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY ZETETIC LLC ''AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL ZETETIC LLC BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# This file implements regression tests for SQLite library. The
# focus of this script is testing code cipher features.
#
# NOTE: tester.tcl has overridden the definition of sqlite3 to
# automatically pass in a key value. Thus tests in this file
# should explicitly close and open db with sqlite_orig in order
# to bypass default key assignment.
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/sqlcipher.tcl
# 1. create a database and insert a bunch of data, close the database
# 2. seek to the middle of the first database page and write some junk
# 3. Open the database and verify that the database is no longer readable
do_test hmac-tamper-resistence-first-page {
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
CREATE table t1(a,b);
BEGIN;
}
for {set i 1} {$i<=1000} {incr i} {
set r [expr {int(rand()*500000)}]
execsql "INSERT INTO t1 VALUES($i,'value $r');"
}
execsql {
COMMIT;
}
db close
# write some junk into the hmac segment, leaving
# the page data valid but with an invalid signature
hexio_write test.db 1000 000000
sqlite_orig db test.db
catchsql {
PRAGMA key = 'testkey';
SELECT count(*) FROM t1;
}
} {1 {file is not a database}}
db close
file delete -force test.db
# 1. create a database and insert a bunch of data, close the database
# 2. seek to the middle of a database page and write some junk
# 3. Open the database and verify that the database is still readable
do_test nohmac-not-tamper-resistent {
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_use_hmac = OFF;
PRAGMA cipher_page_size = 1024;
CREATE table t1(a,b);
BEGIN;
}
for {set i 1} {$i<=1000} {incr i} {
set r [expr {int(rand()*500000)}]
execsql "INSERT INTO t1 VALUES($i,'value $r');"
}
execsql {
COMMIT;
}
db close
# write some junk into the middle of the page
hexio_write test.db 2560 000000
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_use_hmac = OFF;
PRAGMA cipher_page_size = 1024;
SELECT count(*) FROM t1;
}
} {ok 1000}
db close
file delete -force test.db
# 1. create a database and insert a bunch of data, close the database
# 2. seek to the middle of a database page (not the first page) and write bad data
# 3. Open the database and verify that the database is no longer readable
do_test hmac-tamper-resistence {
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
CREATE table t1(a,b);
BEGIN;
}
for {set i 1} {$i<=1000} {incr i} {
set r [expr {int(rand()*500000)}]
execsql "INSERT INTO t1 VALUES($i,'value $r');"
}
execsql {
COMMIT;
}
db close
# write some junk into the hmac segment, leaving
# the page data valid but with an invalid signature
hexio_write test.db 16500 000000
sqlite_orig db test.db
catchsql {
PRAGMA key = 'testkey';
SELECT count(*) FROM t1;
}
} {1 {database disk image is malformed}}
db close
file delete -force test.db
# test that integrity checks work on a pristine
# newly created database
do_test integrity-check-clean-database {
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
CREATE table t1(a,b);
BEGIN;
}
for {set i 1} {$i<=10000} {incr i} {
execsql "INSERT INTO t1 VALUES($i,'value $i');"
}
execsql {
COMMIT;
}
db close
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_integrity_check;
PRAGMA integrity_check;
SELECT count(*) FROM t1;
}
} {ok ok 10000}
db close
file delete -force test.db
# try cipher_integrity_check on an in-memory database
# which should fail because the file doesn't exist
do_test memory-integrity-check-should-fail {
sqlite_orig db :memory:
execsql {
PRAGMA key = 'testkey';
CREATE TABLE t1(a,b);
INSERT INTO t1(a,b) values (1,2);
PRAGMA cipher_integrity_check;
}
} {ok {database file is undefined}}
db close
# try cipher_integrity_check on a valid 1.1.8 database
# should fail because version 1.0 doesn't use HMAC
do_test version-1-integrity-check-fail-no-hmac {
file copy -force $sampleDir/sqlcipher-1.1.8-testkey.db test.db
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_compatibility = 1;
PRAGMA cipher_integrity_check;
}
} {ok {HMAC is not enabled, unable to integrity check}}
db close
file delete -force test.db
# try cipher_integrity_check on a valid 2 database
do_test version-2-integrity-check-valid {
file copy -force $sampleDir/sqlcipher-2.0-le-testkey.db test.db
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_compatibility = 2;
PRAGMA cipher_integrity_check;
}
} {ok}
db close
file delete -force test.db
# try cipher_integrity_check on a corrupted version 2 database
do_test version-2-integrity-check-invalid {
file copy -force $sampleDir/sqlcipher-2.0-le-testkey.db test.db
hexio_write test.db 8202 000000
hexio_write test.db 10250 000000
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_compatibility = 2;
PRAGMA cipher_integrity_check;
}
} {ok {HMAC verification failed for page 9} {HMAC verification failed for page 11}}
db close
file delete -force test.db
# try cipher_integrity_check on a valid version 3 database
do_test version-3-integrity-check-valid {
file copy -force $sampleDir/sqlcipher-3.0-testkey.db test.db
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_compatibility = 3;
PRAGMA cipher_integrity_check;
}
} {ok}
db close
file delete -force test.db
# try cipher_integrity_check on a corrupted version 3 database
do_test version-3-integrity-check-invalid {
file copy -force $sampleDir/sqlcipher-3.0-testkey.db test.db
hexio_write test.db 8202 000000
hexio_write test.db 10250 000000
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_compatibility = 3;
PRAGMA cipher_integrity_check;
}
} {ok {HMAC verification failed for page 9} {HMAC verification failed for page 11}}
db close
file delete -force test.db
# try cipher_integrity_check on a valid version 4 database
do_test version-4-integrity-check-valid {
file copy -force $sampleDir/sqlcipher-4.0-testkey.db test.db
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_integrity_check;
}
} {ok}
db close
file delete -force test.db
# try cipher_integrity_check on a corrupted version 4 database
do_test version-4-integrity-check-invalid {
file copy -force $sampleDir/sqlcipher-4.0-testkey.db test.db
# corrupt page data
hexio_write test.db 5120 000000
# corrupt iv
hexio_write test.db 12208 000000
# corrupt the mac segment
hexio_write test.db 16320 000000
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_integrity_check;
}
} {ok {HMAC verification failed for page 2} {HMAC verification failed for page 3} {HMAC verification failed for page 4}}
db close
file delete -force test.db
# try cipher_integrity_check on a corrupted version 4 database
do_test version-4-integrity-check-invalid-last-page {
file copy -force $sampleDir/sqlcipher-4.0-testkey.db test.db
hexio_write test.db 978944 0000
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_integrity_check;
}
} {ok {page 240 has an invalid size of 2 bytes (expected 4096 bytes)}}
db close
file delete -force test.db
# verify cipher_integrity_check works on a plaintext header db
do_test integrity-check-plaintext-header {
sqlite_orig db test.db
set rc {}
execsql {
PRAGMA key = 'test';
PRAGMA cipher_plaintext_header_size = 32;
CREATE TABLE t1(a,b);
INSERT INTO t1(a,b) VALUES (1,2);
}
lappend rc [execsql {
PRAGMA cipher_integrity_check;
}]
lappend rc [string equal [hexio_read test.db 16 5] "1000010150"]
hexio_write test.db 120 000000
hexio_write test.db 5120 000000
lappend rc [execsql {
PRAGMA cipher_integrity_check;
}]
} {{} 1 {{HMAC verification failed for page 1} {HMAC verification failed for page 2}}}
file delete -force test.db
# test that changing the key in the middle of database operations does
# not cause a corruption
do_test change-key-middle {
sqlite_orig db test.db
set rc {}
execsql {
PRAGMA key = 'testkey';
CREATE table t1(a,b);
}
for {set i 1} {$i<=1000} {incr i} {
execsql "INSERT INTO t1 VALUES($i,'value $i');"
}
execsql {
PRAGMA key = 'diffkey';
}
for {set i 1} {$i<=1000} {incr i} {
execsql "INSERT INTO t1 VALUES($i,'value $i');"
}
db close
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
SELECT name FROM sqlite_schema;
PRAGMA cipher_integrity_check;
PRAGMA integrity_check;
SELECT count(*) FROM t1;
}
} {ok t1 ok 2000}
db close
file delete -force test.db
finish_test
|