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authorDerick Rethans <derick@php.net>2007-12-01 17:20:45 +0000
committerDerick Rethans <derick@php.net>2007-12-01 17:20:45 +0000
commitfd73296bf2ece043d5b4b6e10016f0319cd67bf3 (patch)
treeb79a1ba491b567b6a4c0b881c7e17bce5be604e8 /ext/mcrypt/mcrypt.c
parentf5b1ee4b2b85e9cd363e1615bd267bc4cab3bdb8 (diff)
downloadphp-git-fd73296bf2ece043d5b4b6e10016f0319cd67bf3.tar.gz
- MFH: Fixed bug #43143 (Warning about empty IV with MCRYPT_MODE_ECB).
Diffstat (limited to 'ext/mcrypt/mcrypt.c')
-rw-r--r--ext/mcrypt/mcrypt.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/ext/mcrypt/mcrypt.c b/ext/mcrypt/mcrypt.c
index 8bde275d3e..114704f81c 100644
--- a/ext/mcrypt/mcrypt.c
+++ b/ext/mcrypt/mcrypt.c
@@ -993,7 +993,7 @@ static void php_mcrypt_do_crypt (char* cipher, zval **key, zval **data, char *mo
{
char *cipher_dir_string;
char *module_dir_string;
- int block_size, max_key_length, use_key_length, i, count, iv_size;
+ int block_size, max_key_length, use_key_length, i, count, iv_size, req_iv;
unsigned long int data_size;
int *key_length_sizes;
char *key_s = NULL, *iv_s;
@@ -1041,6 +1041,7 @@ static void php_mcrypt_do_crypt (char* cipher, zval **key, zval **data, char *mo
/* Check IV */
iv_s = NULL;
iv_size = mcrypt_enc_get_iv_size (td);
+ req_iv = mcrypt_enc_mode_has_iv(td);
if (argc == 5) {
if (iv_size != Z_STRLEN_PP(iv)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, MCRYPT_IV_WRONG_SIZE);
@@ -1049,7 +1050,7 @@ static void php_mcrypt_do_crypt (char* cipher, zval **key, zval **data, char *mo
memcpy(iv_s, Z_STRVAL_PP(iv), iv_size);
}
} else if (argc == 4) {
- if (iv_size != 0) {
+ if (req_iv == 1) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempt to use an empty IV, which is NOT recommend");
iv_s = emalloc(iv_size + 1);
memset(iv_s, 0, iv_size + 1);