openssl-sys 0.9.113

FFI bindings to OpenSSL
Documentation 
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use libc::*;

use super::super::*;

#[cfg(not(osslconf = "OPENSSL_NO_DEPRECATED_3_0"))]
extern "C" {
    pub fn HMAC_CTX_new() -> *mut HMAC_CTX;
    pub fn HMAC_CTX_free(ctx: *mut HMAC_CTX);
}

#[cfg(not(osslconf = "OPENSSL_NO_DEPRECATED_3_0"))]
extern "C" {
    pub fn HMAC_Init_ex(
        ctx: *mut HMAC_CTX,
        key: *const c_void,
        len: c_int,
        md: *const EVP_MD,
        impl_: *mut ENGINE,
    ) -> c_int;
    pub fn HMAC_Update(ctx: *mut HMAC_CTX, data: *const c_uchar, len: size_t) -> c_int;
    pub fn HMAC_Final(ctx: *mut HMAC_CTX, md: *mut c_uchar, len: *mut c_uint) -> c_int;
    pub fn HMAC_CTX_copy(dst: *mut HMAC_CTX, src: *mut HMAC_CTX) -> c_int;
}