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-rw-r--r--mysys/my_aes.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mysys/my_aes.c b/mysys/my_aes.c
index 10ef62ae0a5..a3618e44b82 100644
--- a/mysys/my_aes.c
+++ b/mysys/my_aes.c
@@ -178,7 +178,7 @@ int my_aes_decrypt(const char *source, int source_length, char *dest,
char block[AES_BLOCK_SIZE]; /* 128 bit block used for padding */
int rc; /* Result codes */
int num_blocks; /* Number of complete blocks */
- char pad_len; /* Pad size for the last block */
+ uint pad_len; /* Pad size for the last block */
int i;
if ((rc=my_aes_create_key(&aes_key,AES_DECRYPT,key,key_length)))
@@ -197,7 +197,8 @@ int my_aes_decrypt(const char *source, int source_length, char *dest,
}
rijndaelDecrypt(aes_key.rk, aes_key.nr, source, block);
- pad_len = block[AES_BLOCK_SIZE-1]; /* Use last char in the block as size */
+ /* Use last char in the block as size */
+ pad_len = (uint) (uchar) block[AES_BLOCK_SIZE-1];
if (pad_len > AES_BLOCK_SIZE)
return AES_BAD_DATA;