diff options
Diffstat (limited to 'crypto/aegis128.c')
| -rw-r--r-- | crypto/aegis128.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/crypto/aegis128.c b/crypto/aegis128.c index c22f4414856d..3718a8341303 100644 --- a/crypto/aegis128.c +++ b/crypto/aegis128.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * The AEGIS-128 Authenticated-Encryption Algorithm * * Copyright (c) 2017-2018 Ondrej Mosnacek <omosnacek@gmail.com> * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved. - * - * 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 <crypto/algapi.h> @@ -290,19 +286,19 @@ static void crypto_aegis128_process_crypt(struct aegis_state *state, const struct aegis128_ops *ops) { struct skcipher_walk walk; - u8 *src, *dst; - unsigned int chunksize; ops->skcipher_walk_init(&walk, req, false); while (walk.nbytes) { - src = walk.src.virt.addr; - dst = walk.dst.virt.addr; - chunksize = walk.nbytes; + unsigned int nbytes = walk.nbytes; + + if (nbytes < walk.total) + nbytes = round_down(nbytes, walk.stride); - ops->crypt_chunk(state, dst, src, chunksize); + ops->crypt_chunk(state, walk.dst.virt.addr, walk.src.virt.addr, + nbytes); - skcipher_walk_done(&walk, 0); + skcipher_walk_done(&walk, walk.nbytes - nbytes); } } |