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authorkokke <spam@rowdy.dk>2017-12-01 01:48:19 +0100
committerGitHub <noreply@github.com>2017-12-01 01:48:19 +0100
commit9acae40f3ec8dc728a14e298a4ad9505a1d4a3bd (patch)
treead4737c23e89a4e101c2dda162bec66f52112a63 /aes.c
parentUpdate aes.c (diff)
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Diffstat (limited to 'aes.c')
-rw-r--r--aes.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/aes.c b/aes.c
index a797480..3cf09ba 100644
--- a/aes.c
+++ b/aes.c
@@ -618,10 +618,12 @@ void AES_CTR_xcrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, con
state = (state_t*)buffer;
Cipher();
+ /* Increment counter and handle overflow */
for (j = (BLOCKLEN - 1); j >= 0; --j)
{
counter[j] += 1;
+ /* Break if no overflow, keep going otherwise */
if (counter[j] != 0)
{
break;