crypto-native: do not overwrite data after partial tag

Type: fix

Change-Id: I01de5f8813faff5406ccf67c21c42393c8648af6
Signed-off-by: Damjan Marion <damarion@cisco.com>

diff --git a/src/plugins/crypto_native/aes_gcm.c b/src/plugins/crypto_native/aes_gcm.c
index 41a9d48..d0f57da 100644 (file)
--- a/src/plugins/crypto_native/aes_gcm.c
+++ b/src/plugins/crypto_native/aes_gcm.c
@@ -579,7 +579,7 @@ aes_gcm (u8x16u * in, u8x16u * out, u8x16u * addt, u8x16u * iv, u8x16u * tag,
     {
       /* store tag */
       if (tag_len)
-       aes_store_partial (tag, T, (1 << tag_len) - 1);
+       aes_store_partial (tag, T, tag_len);
       else
        tag[0] = T;
     }