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rework salt initialization to ensure PRAGMA cipher_salt always returns a value

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This commit is contained in:
Stephen Lombardo
2019-01-16 13:58:59 -05:00
parent 4f9202c763
commit 1ca606d4a2
4 changed files with 52 additions and 22 deletions
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test/sqlcipher-plaintext-header.test
+5 -4
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@@ -430,8 +430,9 @@ do_test test-plaintext-header-migrate-journal-wal-string-key-random-salt {
db close
file delete -force test.db
# when cipher_salt is the first statement the values are zeros
# after the databse is first used and key derivation occurs it will change
# when cipher_salt is the first statement a new salt should be generated
# and it should match the salt after key derviation occurs. At no point
# should the salt be zero
do_test plaintext-header-size-salt-first-op {
set rc {}
sqlite_orig db test.db
@@ -447,10 +448,10 @@ do_test plaintext-header-size-salt-first-op {
PRAGMA cipher_salt;
}]
lappend rc $salt1
lappend rc [string equal $salt1 "00000000000000000000000000000000"]
lappend rc [string equal $salt2 "00000000000000000000000000000000"]
} {00000000000000000000000000000000 1 0}
lappend rc [string equal $salt1 $salt2]
} {0 0 1}
db close
file delete -force test.db