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-rw-r--r--sys/dev/if_wg/include/zinc/chacha20.h68
1 files changed, 0 insertions, 68 deletions
diff --git a/sys/dev/if_wg/include/zinc/chacha20.h b/sys/dev/if_wg/include/zinc/chacha20.h
deleted file mode 100644
index 1a9524bdfe85..000000000000
--- a/sys/dev/if_wg/include/zinc/chacha20.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 OR MIT */
-/*
- * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- */
-
-#ifndef _ZINC_CHACHA20_H
-#define _ZINC_CHACHA20_H
-
-#include <sys/param.h>
-#include <sys/support.h>
-
-enum chacha20_lengths {
- CHACHA20_NONCE_SIZE = 16,
- CHACHA20_KEY_SIZE = 32,
- CHACHA20_KEY_WORDS = CHACHA20_KEY_SIZE / sizeof(u32),
- CHACHA20_BLOCK_SIZE = 64,
- CHACHA20_BLOCK_WORDS = CHACHA20_BLOCK_SIZE / sizeof(u32),
- HCHACHA20_NONCE_SIZE = CHACHA20_NONCE_SIZE,
- HCHACHA20_KEY_SIZE = CHACHA20_KEY_SIZE
-};
-
-enum chacha20_constants { /* expand 32-byte k */
- CHACHA20_CONSTANT_EXPA = 0x61707865U,
- CHACHA20_CONSTANT_ND_3 = 0x3320646eU,
- CHACHA20_CONSTANT_2_BY = 0x79622d32U,
- CHACHA20_CONSTANT_TE_K = 0x6b206574U
-};
-
-struct chacha20_ctx {
- union {
- u32 state[16];
- struct {
- u32 constant[4];
- u32 key[8];
- u32 counter[4];
- };
- };
-};
-
-static inline void chacha20_init(struct chacha20_ctx *ctx,
- const u8 key[CHACHA20_KEY_SIZE],
- const u64 nonce)
-{
- ctx->constant[0] = CHACHA20_CONSTANT_EXPA;
- ctx->constant[1] = CHACHA20_CONSTANT_ND_3;
- ctx->constant[2] = CHACHA20_CONSTANT_2_BY;
- ctx->constant[3] = CHACHA20_CONSTANT_TE_K;
- ctx->key[0] = get_unaligned_le32(key + 0);
- ctx->key[1] = get_unaligned_le32(key + 4);
- ctx->key[2] = get_unaligned_le32(key + 8);
- ctx->key[3] = get_unaligned_le32(key + 12);
- ctx->key[4] = get_unaligned_le32(key + 16);
- ctx->key[5] = get_unaligned_le32(key + 20);
- ctx->key[6] = get_unaligned_le32(key + 24);
- ctx->key[7] = get_unaligned_le32(key + 28);
- ctx->counter[0] = 0;
- ctx->counter[1] = 0;
- ctx->counter[2] = nonce & U32_MAX;
- ctx->counter[3] = nonce >> 32;
-}
-void chacha20(struct chacha20_ctx *ctx, u8 *dst, const u8 *src, u32 len,
- simd_context_t *simd_context);
-
-void hchacha20(u32 derived_key[CHACHA20_KEY_WORDS],
- const u8 nonce[HCHACHA20_NONCE_SIZE],
- const u8 key[HCHACHA20_KEY_SIZE], simd_context_t *simd_context);
-
-#endif /* _ZINC_CHACHA20_H */