1 files changed, 0 insertions, 77 deletions
diff --git a/code/crypto/chacha/chacha.c b/code/crypto/chacha/chacha.c
deleted file mode 100644
index fba03c9..0000000
--- a/code/crypto/chacha/chacha.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/* $OpenBSD: chacha.c,v 1.7 2015/12/09 14:07:55 bcook Exp $ */
-/*
- * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <stdint.h>
-
-#include <chacha.h>
-
-#include "chacha-merged.c"
-
-void
-ChaCha_set_key(ChaCha_ctx *ctx, const unsigned char *key, uint32_t keybits)
-{
-	chacha_keysetup((chacha_ctx *)ctx, key, keybits);
-	ctx->unused = 0;
-}
-
-void
-ChaCha_set_iv(ChaCha_ctx *ctx, const unsigned char *iv,
-    const unsigned char *counter)
-{
-	chacha_ivsetup((chacha_ctx *)ctx, iv, counter);
-	ctx->unused = 0;
-}
-
-void
-ChaCha(ChaCha_ctx *ctx, unsigned char *out, const unsigned char *in, size_t len)
-{
-	unsigned char *k;
-	int i, l;
-
-	/* Consume remaining keystream, if any exists. */
-	if (ctx->unused > 0) {
-		k = ctx->ks + 64 - ctx->unused;
-		l = (len > ctx->unused) ? ctx->unused : len;
-		for (i = 0; i < l; i++)
-			*(out++) = *(in++) ^ *(k++);
-		ctx->unused -= l;
-		len -= l;
-	}
-
-	chacha_encrypt_bytes((chacha_ctx *)ctx, in, out, (uint32_t)len);
-}
-
-void
-CRYPTO_chacha_20(unsigned char *out, const unsigned char *in, size_t len,
-    const unsigned char key[32], const unsigned char iv[8], uint64_t counter)
-{
-	struct chacha_ctx ctx;
-
-	/*
-	 * chacha_ivsetup expects the counter to be in u8. Rather than
-	 * converting size_t to u8 and then back again, pass a counter of
-	 * NULL and manually assign it afterwards.
-	 */
-	chacha_keysetup(&ctx, key, 256);
-	chacha_ivsetup(&ctx, iv, NULL);
-	if (counter != 0) {
-		ctx.input[12] = (uint32_t)counter;
-		ctx.input[13] = (uint32_t)(counter >> 32);
-	}
-
-	chacha_encrypt_bytes(&ctx, in, out, (uint32_t)len);
-}