1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
3 #ifndef _BPF_CRYPTO_H
4 #define _BPF_CRYPTO_H
5
6 struct bpf_crypto_type {
7 void *(*alloc_tfm)(const char *algo);
8 void (*free_tfm)(void *tfm);
9 int (*has_algo)(const char *algo);
10 int (*setkey)(void *tfm, const u8 *key, unsigned int keylen);
11 int (*setauthsize)(void *tfm, unsigned int authsize);
12 int (*encrypt)(void *tfm, const u8 *src, u8 *dst, unsigned int len, u8 *iv);
13 int (*decrypt)(void *tfm, const u8 *src, u8 *dst, unsigned int len, u8 *iv);
14 unsigned int (*ivsize)(void *tfm);
15 unsigned int (*statesize)(void *tfm);
16 u32 (*get_flags)(void *tfm);
17 struct module *owner;
18 char name[14];
19 };
20
21 int bpf_crypto_register_type(const struct bpf_crypto_type *type);
22 int bpf_crypto_unregister_type(const struct bpf_crypto_type *type);
23
24 #endif /* _BPF_CRYPTO_H */
25
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