Update aes.c

2017-12-01 01:48:19 +01:00
parent f92f371438
commit 9acae40f3e
1 changed files with 2 additions and 0 deletions
--- 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;