include/linux/bpf_crypto.h

   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 */