From: Loup Vaillant <loup@loup-vaillant.fr>
Date: Fri, 3 Feb 2023 15:43:06 +0000 (+0100)
Subject: Simplify BLAKE2b a tiny little bit
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=53133e8ca7a7fd3bb666ec6148079fb02d091493;p=Monocypher.git

Simplify BLAKE2b a tiny little bit
---

diff --git a/src/monocypher.c b/src/monocypher.c
index 7e05871..034da85 100644
--- a/src/monocypher.c
+++ b/src/monocypher.c
@@ -569,7 +569,7 @@ void crypto_blake2b_init(crypto_blake2b_ctx *ctx, size_t hash_size)
 void crypto_blake2b_update(crypto_blake2b_ctx *ctx,
                            const u8 *message, size_t message_size)
 {
-	// Avoid UB pointer increments with empty messages
+	// Avoid undefined NULL pointer increments with empty messages
 	if (message_size == 0) {
 		return;
 	}
@@ -619,7 +619,7 @@ void crypto_blake2b_update(crypto_blake2b_ctx *ctx,
 		}
 		// Fill remaining words (faster than byte by byte)
 		size_t nb_words = message_size >> 3;
-		load64_le_buf(ctx->input + (ctx->input_idx >> 3), message, nb_words);
+		load64_le_buf(ctx->input, message, nb_words);
 		ctx->input_idx += nb_words << 3;
 		message        += nb_words << 3;
 		message_size   -= nb_words << 3;