diff options
Diffstat (limited to 'crypto/chacha_generic.c')
| -rw-r--r-- | crypto/chacha_generic.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/crypto/chacha_generic.c b/crypto/chacha_generic.c index d2ec04997832..085d8d219987 100644 --- a/crypto/chacha_generic.c +++ b/crypto/chacha_generic.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * ChaCha and XChaCha stream ciphers, including ChaCha20 (RFC7539) * * Copyright (C) 2015 Martin Willi * Copyright (C) 2018 Google LLC - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <asm/unaligned.h> @@ -36,7 +32,7 @@ static void chacha_docrypt(u32 *state, u8 *dst, const u8 *src, } static int chacha_stream_xor(struct skcipher_request *req, - struct chacha_ctx *ctx, u8 *iv) + const struct chacha_ctx *ctx, const u8 *iv) { struct skcipher_walk walk; u32 state[16]; @@ -60,7 +56,7 @@ static int chacha_stream_xor(struct skcipher_request *req, return err; } -void crypto_chacha_init(u32 *state, struct chacha_ctx *ctx, u8 *iv) +void crypto_chacha_init(u32 *state, const struct chacha_ctx *ctx, const u8 *iv) { state[0] = 0x61707865; /* "expa" */ state[1] = 0x3320646e; /* "nd 3" */ |
