1 /*
2 * The MORUS-1280 Authenticated-Encryption Algorithm
3 * Glue for SSE2 implementation
4 *
5 * Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com>
6 * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 */
13
14 #include <crypto/internal/aead.h>
15 #include <crypto/morus1280_glue.h>
16 #include <linux/module.h>
17 #include <asm/fpu/api.h>
18 #include <asm/cpu_device_id.h>
19
20 asmlinkage void crypto_morus1280_sse2_init(void *state, const void *key,
21 const void *iv);
22 asmlinkage void crypto_morus1280_sse2_ad(void *state, const void *data,
23 unsigned int length);
24
25 asmlinkage void crypto_morus1280_sse2_enc(void *state, const void *src,
26 void *dst, unsigned int length);
27 asmlinkage void crypto_morus1280_sse2_dec(void *state, const void *src,
28 void *dst, unsigned int length);
29
30 asmlinkage void crypto_morus1280_sse2_enc_tail(void *state, const void *src,
31 void *dst, unsigned int length);
32 asmlinkage void crypto_morus1280_sse2_dec_tail(void *state, const void *src,
33 void *dst, unsigned int length);
34
35 asmlinkage void crypto_morus1280_sse2_final(void *state, void *tag_xor,
36 u64 assoclen, u64 cryptlen);
37
38 MORUS1280_DECLARE_ALGS(sse2, "morus1280-sse2", 350);
39
crypto_morus1280_sse2_module_init(void)40 static int __init crypto_morus1280_sse2_module_init(void)
41 {
42 if (!boot_cpu_has(X86_FEATURE_XMM2) ||
43 !cpu_has_xfeatures(XFEATURE_MASK_SSE, NULL))
44 return -ENODEV;
45
46 return crypto_register_aeads(crypto_morus1280_sse2_algs,
47 ARRAY_SIZE(crypto_morus1280_sse2_algs));
48 }
49
crypto_morus1280_sse2_module_exit(void)50 static void __exit crypto_morus1280_sse2_module_exit(void)
51 {
52 crypto_unregister_aeads(crypto_morus1280_sse2_algs,
53 ARRAY_SIZE(crypto_morus1280_sse2_algs));
54 }
55
56 module_init(crypto_morus1280_sse2_module_init);
57 module_exit(crypto_morus1280_sse2_module_exit);
58
59 MODULE_LICENSE("GPL");
60 MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
61 MODULE_DESCRIPTION("MORUS-1280 AEAD algorithm -- SSE2 implementation");
62 MODULE_ALIAS_CRYPTO("morus1280");
63 MODULE_ALIAS_CRYPTO("morus1280-sse2");
64
