openssl-sys 0.9.110

FFI bindings to OpenSSL
Documentation 
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use libc::*;
use std::ptr;

use super::*;

pub const OPENSSL_EC_NAMED_CURVE: c_int = 1;

cfg_if! {
    if #[cfg(not(ossl300))] {
        pub unsafe fn EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx: *mut EVP_PKEY_CTX, nid: c_int) -> c_int {
            EVP_PKEY_CTX_ctrl(
                ctx,
                EVP_PKEY_EC,
                EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN,
                EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID,
                nid,
                ptr::null_mut(),
            )
        }
    }
}
#[cfg(ossl300)]
pub unsafe fn EVP_EC_gen(curve: *const c_char) -> *mut EVP_PKEY {
    EVP_PKEY_Q_keygen(
        ptr::null_mut(),
        ptr::null_mut(),
        "EC\0".as_ptr().cast(),
        curve,
    )
}

pub const EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID: c_int = EVP_PKEY_ALG_CTRL + 1;