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disable memory security feature by default; once it is turned on it can't be turned off

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This commit is contained in:
Stephen Lombardo
2021-09-08 10:26:36 -04:00
parent 7b54c31180
commit 07ca482e4e
2 changed files with 13 additions and 10 deletions
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src/crypto_impl.c
+6 -3
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@@ -51,7 +51,7 @@ static volatile int default_page_size = 4096;
static volatile int default_plaintext_header_sz = 0;
static volatile int default_hmac_algorithm = SQLCIPHER_HMAC_SHA512;
static volatile int default_kdf_algorithm = SQLCIPHER_PBKDF2_HMAC_SHA512;
static volatile int mem_security_on = 1;
static volatile int mem_security_on = 0;
static volatile int mem_security_initialized = 0;
static volatile int mem_security_activated = 0;
static volatile unsigned int sqlcipher_activate_count = 0;
@@ -836,8 +836,11 @@ int sqlcipher_get_default_pagesize() {
}
void sqlcipher_set_mem_security(int on) {
mem_security_on = on;
mem_security_activated = 0;
/* memory security can only be enabled, not disabled */
if(on) {
mem_security_on = on;
mem_security_activated = 0;
}
}
int sqlcipher_get_mem_security() {