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implementation of PRAGMA cipher_integrity_check and associated tests

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This commit is contained in:
Stephen Lombardo
2019-05-15 10:24:27 -04:00
parent de558b049f
commit 488d81e8da
7 changed files with 424 additions and 78 deletions
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test/sqlcipher-core.test
-78
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@@ -531,84 +531,6 @@ do_test custom-pagesize-must-match {
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 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 $r');"
}
execsql {
COMMIT;
}
db close
# write some junk into the hmac segment, leaving
# the page data valid but with an invalid signature
hexio_write test.db 1000 0000
sqlite_orig db test.db
catchsql {
PRAGMA key = 'testkey';
SELECT count(*) FROM t1;
}
} {1 {file is not a database}}
db close
file delete -force test.db
# 1. create a database and insert a bunch of data, close the database
# 2. seek to the middle of a database page and write some junk
# 3. Open the database and verify that the database is still readable
do_test nohmac-not-tamper-resistent {
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_use_hmac = OFF;
PRAGMA cipher_page_size = 1024;
CREATE table t1(a,b);
BEGIN;
}
for {set i 1} {$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 00
sqlite_orig db test.db
execsql {
PRAGMA key = 'testkey';
PRAGMA cipher_use_hmac = OFF;
PRAGMA cipher_page_size = 1024;
SELECT count(*) FROM t1;
}
} {1000}
db close
file delete -force test.db
# 1. create a database with WAL journal mode
# 2. create table and insert operations should work