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authorJason A. Donenfeld <Jason@zx2c4.com>2018-08-28 23:50:35 -0600
committerJason A. Donenfeld <Jason@zx2c4.com>2018-09-03 23:52:11 -0600
commit07dac52be6336be4a77a399fd7928802711fb77f (patch)
treece42d6b1924ad4a67145d6f43ab3b5fcfba2031f /src/crypto/chacha20.h
parent6a4e34f63be70ea96851e593172e0d3773086219 (diff)
crypto: import zinc
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'src/crypto/chacha20.h')
-rw-r--r--src/crypto/chacha20.h47
1 files changed, 0 insertions, 47 deletions
diff --git a/src/crypto/chacha20.h b/src/crypto/chacha20.h
deleted file mode 100644
index f3d408b..0000000
--- a/src/crypto/chacha20.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0
- *
- * Copyright (C) 2015-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- */
-
-#ifndef _WG_CHACHA20_H
-#define _WG_CHACHA20_H
-
-#include "simd.h"
-#include <asm/unaligned.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-enum {
- CHACHA20_IV_SIZE = 16,
- CHACHA20_KEY_SIZE = 32,
- CHACHA20_BLOCK_SIZE = 64,
- HCHACHA20_KEY_SIZE = 32,
- HCHACHA20_NONCE_SIZE = 16
-};
-
-struct chacha20_ctx {
- u32 key[8];
- u32 counter[4];
-} __aligned(32);
-
-void chacha20_fpu_init(void);
-
-static inline void chacha20_init(struct chacha20_ctx *state, const u8 key[CHACHA20_KEY_SIZE], const u64 nonce)
-{
- state->key[0] = get_unaligned_le32(key + 0);
- state->key[1] = get_unaligned_le32(key + 4);
- state->key[2] = get_unaligned_le32(key + 8);
- state->key[3] = get_unaligned_le32(key + 12);
- state->key[4] = get_unaligned_le32(key + 16);
- state->key[5] = get_unaligned_le32(key + 20);
- state->key[6] = get_unaligned_le32(key + 24);
- state->key[7] = get_unaligned_le32(key + 28);
- state->counter[0] = state->counter[1] = 0;
- state->counter[2] = nonce & U32_MAX;
- state->counter[3] = nonce >> 32;
-}
-void chacha20(struct chacha20_ctx *state, u8 *dst, const u8 *src, u32 len, simd_context_t simd_context);
-
-void hchacha20(u8 derived_key[CHACHA20_KEY_SIZE], const u8 nonce[HCHACHA20_NONCE_SIZE], const u8 key[HCHACHA20_KEY_SIZE], simd_context_t simd_context);
-
-#endif /* _WG_CHACHA20_H */