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botan_sys/
rng.rs

1use crate::ffi_types::{c_char, c_int, c_void};
2
3pub enum botan_rng_struct {}
4pub type botan_rng_t = *mut botan_rng_struct;
5
6unsafe extern "C" {
7
8    pub fn botan_rng_init(rng: *mut botan_rng_t, rng_type: *const c_char) -> c_int;
9
10    #[cfg(botan_ffi_20230403)]
11    pub fn botan_rng_init_custom(
12        rng_out: *mut botan_rng_t,
13        rng_name: *const c_char,
14        context: *mut c_void,
15        get_cb: Option<extern "C" fn(context: *mut c_void, out: *mut u8, out_len: usize) -> c_int>,
16        add_entropy_cb: Option<
17            extern "C" fn(context: *mut c_void, input: *const u8, length: usize) -> c_int,
18        >,
19        destroy_cb: Option<extern "C" fn(context: *mut c_void)>,
20    ) -> c_int;
21
22    pub fn botan_rng_get(rng: botan_rng_t, out: *mut u8, out_len: usize) -> c_int;
23
24    #[cfg(botan_ffi_20230403)]
25    pub fn botan_system_rng_get(out: *mut u8, out_len: usize) -> c_int;
26
27    pub fn botan_rng_reseed(rng: botan_rng_t, bits: usize) -> c_int;
28
29    pub fn botan_rng_reseed_from_rng(rng: botan_rng_t, src: botan_rng_t, bits: usize) -> c_int;
30
31    pub fn botan_rng_add_entropy(rng: botan_rng_t, data: *const u8, len: usize) -> c_int;
32
33    #[cfg(botan_ffi_20260506)]
34    pub fn botan_rng_init_drbg(
35        rng_out: *mut botan_rng_t,
36        drbg_name: *const c_char,
37        seed: *const u8,
38        seed_len: usize,
39    ) -> c_int;
40
41    #[cfg(botan_ffi_20260506)]
42    pub fn botan_rng_generate_with_input(
43        rng: botan_rng_t,
44        out: *mut u8,
45        out_len: usize,
46        addl_input: *const u8,
47        addl_len: usize,
48    ) -> c_int;
49
50    pub fn botan_rng_destroy(rng: botan_rng_t) -> c_int;
51
52}