Use aes128_invert_key

diff --git a/ocb-aes128-meta.c b/ocb-aes128-meta.c
index efd94a9c7c7f157be67cf69aa8cebff5b8efb85d..487e90ea367fde27d274a9464497ab8a81b6b2ca 100644 (file)
--- a/ocb-aes128-meta.c
+++ b/ocb-aes128-meta.c
@@ -51,7 +51,7 @@ static void
 ocb_aes128_set_key (struct ocb_aes128_ctx *ctx, const uint8_t *key)
 {
   aes128_set_encrypt_key (&ctx->encrypt, key);
-  aes128_set_decrypt_key (&ctx->decrypt, key);
+  aes128_invert_key (&ctx->decrypt, &ctx->encrypt);
   ocb_set_key (&ctx->key, &ctx->encrypt, (nettle_cipher_func *) aes128_encrypt);
 }