From: Konstantinos Margaritis <konstantinos.margaritis@vectorcamp.gr>
Date: Fri, 17 Mar 2023 09:37:57 +0000 (+0000)
Subject: rewrite loop
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=02865900175891a530659f814393a00bd12a17f0;p=openpower-isa.git

rewrite loop
---

diff --git a/crypto/chacha20/src/xchacha20.c b/crypto/chacha20/src/xchacha20.c
index a99d1f13..1144928e 100644
--- a/crypto/chacha20/src/xchacha20.c
+++ b/crypto/chacha20/src/xchacha20.c
@@ -120,7 +120,6 @@ void xchacha_keysetup(XChaCha_ctx *ctx, const uint8_t *k, uint8_t *iv){
 	 */
 	xchacha_hchacha20_svp64(k2, iv, k);
 
-
 	ctx->input[0] = 0x61707865;
 	ctx->input[1] = 0x3320646e;
 	ctx->input[2] = 0x79622d32;
@@ -228,8 +227,8 @@ void xchacha_encrypt_bytes(XChaCha_ctx *ctx, const uint8_t *m, uint8_t *c, uint3
 		x14 = j14;
 		x15 = j15;
 
-		/* Do 20 rounds instead of 8 */
-		for (i = 20; i > 0;i -= 2) {
+		/* Do 10 rounds instead of 8 */
+		for (i = 0; i < 10; i++) {
 #ifdef DUMP
             dump_hex(&x0, 4);
             dump_hex(&x1, 4);