From: Niels Möller <nisse@lysator.liu.se>
Date: Wed, 14 Feb 2024 13:49:24 +0000 (+0100)
Subject: Proper data_size update in gcm_aes128_encrypt, define HAVE_NATIVE_gcm_aes_encrypt.
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=refs%2Fheads%2Fx86_64-gcm-aes;p=thirdparty%2Fnettle.git

Proper data_size update in gcm_aes128_encrypt, define HAVE_NATIVE_gcm_aes_encrypt.
---

diff --git a/configure.ac b/configure.ac
index 7ade3ffe..20caedef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -763,6 +763,8 @@ AH_VERBATIM([HAVE_NATIVE],
 #undef HAVE_NATIVE_fat_poly1305_blocks
 #undef HAVE_NATIVE_ghash_set_key
 #undef HAVE_NATIVE_ghash_update
+#undef HAVE_NATIVE_gcm_aes_encrypt
+#undef HAVE_NATIVE_gcm_aes_decrypt
 #undef HAVE_NATIVE_salsa20_core
 #undef HAVE_NATIVE_salsa20_2core
 #undef HAVE_NATIVE_fat_salsa20_2core
diff --git a/gcm-aes128.c b/gcm-aes128.c
index b3a3dd50..84ddac06 100644
--- a/gcm-aes128.c
+++ b/gcm-aes128.c
@@ -64,8 +64,12 @@ void
 gcm_aes128_encrypt(struct gcm_aes128_ctx *ctx,
 		   size_t length, uint8_t *dst, const uint8_t *src)
 {
+#if HAVE_NATIVE_gcm_aes_encrypt
   size_t done = _gcm_aes_encrypt (&ctx->key, _AES128_ROUNDS, length, dst, src);
-  GCM_ENCRYPT(ctx, aes128_encrypt, length - done, dst + done, src + done);
+  ctx->gcm.data_size += done;
+  length -= done; src += done; dst += done;
+#endif
+  GCM_ENCRYPT(ctx, aes128_encrypt, length, dst, src);
 }
 
 void