From: Niels Möller <nisse@lysator.liu.se>
Date: Mon, 30 Nov 2020 19:05:31 +0000 (+0100)
Subject: Delete _nettle_chacha_crypt_2core and _nettle_chacha_crypt32_2core.
X-Git-Tag: nettle_3.7rc1~13^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42443755a94ccb0c99ce5dde6432ad4311c1ca5d;p=thirdparty%2Fnettle.git

Delete _nettle_chacha_crypt_2core and _nettle_chacha_crypt32_2core.
---

diff --git a/ChangeLog b/ChangeLog
index d47c138e..67003aa4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,8 @@
 
 	* chacha-crypt.c: (_nettle_chacha_crypt_4core)
 	(_nettle_chacha_crypt32_4core): New functions.
+	(_nettle_chacha_crypt_2core, _nettle_chacha_crypt32_2core):
+	Deleted, no longer needed.
 	* chacha-internal.h: Add prototypes for _nettle_chacha_4core and
 	related functions.
 	* configure.ac (asm_nettle_optional_list): Add chacha-4core.asm.
diff --git a/chacha-crypt.c b/chacha-crypt.c
index d3af5f58..081ebcf4 100644
--- a/chacha-crypt.c
+++ b/chacha-crypt.c
@@ -151,41 +151,6 @@ _nettle_chacha_crypt_3core(struct chacha_ctx *ctx,
 }
 #endif
 
-#if 0
-void
-_nettle_chacha_crypt_2core(struct chacha_ctx *ctx,
-			   size_t length,
-			   uint8_t *dst,
-			   const uint8_t *src)
-{
-  uint32_t x[2*_CHACHA_STATE_LENGTH];
-
-  if (!length)
-    return;
-
-  while (length > CHACHA_BLOCK_SIZE)
-    {
-      _nettle_chacha_2core (x, ctx->state, CHACHA_ROUNDS);
-      ctx->state[12] += 2;
-      ctx->state[13] += (ctx->state[12] < 2);
-      if (length <= 2*CHACHA_BLOCK_SIZE)
-	{
-	  memxor3 (dst, src, x, length);
-	  return;
-	}
-      memxor3 (dst, src, x, 2*CHACHA_BLOCK_SIZE);
-
-      length -= 2*CHACHA_BLOCK_SIZE;
-      dst += 2*CHACHA_BLOCK_SIZE;
-      src += 2*CHACHA_BLOCK_SIZE;
-    }
-
-  _nettle_chacha_core (x, ctx->state, CHACHA_ROUNDS);
-  memxor3 (dst, src, x, length);
-  ctx->state[13] += (++ctx->state[12] == 0);
-}
-#endif
-
 #if !(HAVE_NATIVE_chacha_4core || HAVE_NATIVE_chacha_3core)
 void
 _nettle_chacha_crypt_1core(struct chacha_ctx *ctx,
@@ -302,40 +267,6 @@ _nettle_chacha_crypt32_3core(struct chacha_ctx *ctx,
 }
 #endif
 
-#if 0
-void
-_nettle_chacha_crypt32_2core(struct chacha_ctx *ctx,
-			     size_t length,
-			     uint8_t *dst,
-			     const uint8_t *src)
-{
-  uint32_t x[2*_CHACHA_STATE_LENGTH];
-
-  if (!length)
-    return;
-
-  while (length > CHACHA_BLOCK_SIZE)
-    {
-      _nettle_chacha_2core32 (x, ctx->state, CHACHA_ROUNDS);
-      ctx->state[12] += 2;
-      if (length <= 2*CHACHA_BLOCK_SIZE)
-	{
-	  memxor3 (dst, src, x, length);
-	  return;
-	}
-      memxor3 (dst, src, x, 2*CHACHA_BLOCK_SIZE);
-
-      length -= 2*CHACHA_BLOCK_SIZE;
-      dst += 2*CHACHA_BLOCK_SIZE;
-      src += 2*CHACHA_BLOCK_SIZE;
-    }
-
-  _nettle_chacha_core (x, ctx->state, CHACHA_ROUNDS);
-  memxor3 (dst, src, x, length);
-  ++ctx->state[12];
-}
-#endif
-
 #if !(HAVE_NATIVE_chacha_4core || HAVE_NATIVE_chacha_3core)
 void
 _nettle_chacha_crypt32_1core(struct chacha_ctx *ctx,