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use std::mem;
use std::hash;
use std::os::raw::{c_int, c_uchar, c_uint, c_void};
pub const SECP256K1_START_NONE: c_uint = (1 << 0) | 0;
pub const SECP256K1_START_VERIFY: c_uint = (1 << 0) | (1 << 8);
pub const SECP256K1_START_SIGN: c_uint = (1 << 0) | (1 << 9);
pub const SECP256K1_SER_UNCOMPRESSED: c_uint = (1 << 1) | 0;
pub const SECP256K1_SER_COMPRESSED: c_uint = (1 << 1) | (1 << 8);
pub type NonceFn = unsafe extern "C" fn(nonce32: *mut c_uchar,
msg32: *const c_uchar,
key32: *const c_uchar,
algo16: *const c_uchar,
attempt: c_uint,
data: *const c_void);
#[derive(Clone, Debug)]
#[repr(C)] pub struct Context(c_int);
#[repr(C)]
pub struct PublicKey([c_uchar; 64]);
impl_array_newtype!(PublicKey, c_uchar, 64);
impl_raw_debug!(PublicKey);
impl PublicKey {
pub fn new() -> PublicKey { PublicKey([0; 64]) }
pub unsafe fn blank() -> PublicKey { mem::uninitialized() }
}
impl hash::Hash for PublicKey {
fn hash<H: hash::Hasher>(&self, state: &mut H) {
state.write(&self.0)
}
}
#[repr(C)]
pub struct Signature([c_uchar; 64]);
impl_array_newtype!(Signature, c_uchar, 64);
impl_raw_debug!(Signature);
#[repr(C)]
pub struct RecoverableSignature([c_uchar; 65]);
impl_array_newtype!(RecoverableSignature, c_uchar, 65);
impl_raw_debug!(RecoverableSignature);
impl Signature {
pub fn new() -> Signature { Signature([0; 64]) }
pub unsafe fn blank() -> Signature { mem::uninitialized() }
}
impl RecoverableSignature {
pub fn new() -> RecoverableSignature { RecoverableSignature([0; 65]) }
pub unsafe fn blank() -> RecoverableSignature { mem::uninitialized() }
}
#[repr(C)]
pub struct SharedSecret([c_uchar; 32]);
impl_array_newtype!(SharedSecret, c_uchar, 32);
impl_raw_debug!(SharedSecret);
impl SharedSecret {
pub fn new() -> SharedSecret { SharedSecret([0; 32]) }
pub unsafe fn blank() -> SharedSecret { mem::uninitialized() }
}
extern "C" {
pub static secp256k1_nonce_function_rfc6979: NonceFn;
pub static secp256k1_nonce_function_default: NonceFn;
pub fn secp256k1_context_create(flags: c_uint) -> *mut Context;
pub fn secp256k1_context_clone(cx: *mut Context) -> *mut Context;
pub fn secp256k1_context_destroy(cx: *mut Context);
pub fn secp256k1_context_randomize(cx: *mut Context,
seed32: *const c_uchar)
-> c_int;
pub fn secp256k1_ec_pubkey_parse(cx: *const Context, pk: *mut PublicKey,
input: *const c_uchar, in_len: usize)
-> c_int;
pub fn secp256k1_ec_pubkey_serialize(cx: *const Context, output: *const c_uchar,
out_len: *mut usize, pk: *const PublicKey,
compressed: c_uint)
-> c_int;
pub fn secp256k1_ecdsa_signature_parse_der(cx: *const Context, sig: *mut Signature,
input: *const c_uchar, in_len: usize)
-> c_int;
pub fn ecdsa_signature_parse_der_lax(cx: *const Context, sig: *mut Signature,
input: *const c_uchar, in_len: usize)
-> c_int;
pub fn secp256k1_ecdsa_signature_serialize_der(cx: *const Context, output: *const c_uchar,
out_len: *mut usize, sig: *const Signature)
-> c_int;
pub fn secp256k1_ecdsa_recoverable_signature_parse_compact(cx: *const Context, sig: *mut RecoverableSignature,
input64: *const c_uchar, recid: c_int)
-> c_int;
pub fn secp256k1_ecdsa_recoverable_signature_serialize_compact(cx: *const Context, output64: *const c_uchar,
recid: *mut c_int, sig: *const RecoverableSignature)
-> c_int;
pub fn secp256k1_ecdsa_recoverable_signature_convert(cx: *const Context, sig: *mut Signature,
input: *const RecoverableSignature)
-> c_int;
pub fn secp256k1_ecdsa_signature_normalize(cx: *const Context, out_sig: *mut Signature,
in_sig: *const Signature)
-> c_int;
pub fn secp256k1_ecdsa_verify(cx: *const Context,
sig: *const Signature,
msg32: *const c_uchar,
pk: *const PublicKey)
-> c_int;
pub fn secp256k1_ecdsa_sign(cx: *const Context,
sig: *mut Signature,
msg32: *const c_uchar,
sk: *const c_uchar,
noncefn: NonceFn,
noncedata: *const c_void)
-> c_int;
pub fn secp256k1_ecdsa_sign_recoverable(cx: *const Context,
sig: *mut RecoverableSignature,
msg32: *const c_uchar,
sk: *const c_uchar,
noncefn: NonceFn,
noncedata: *const c_void)
-> c_int;
pub fn secp256k1_ecdsa_recover(cx: *const Context,
pk: *mut PublicKey,
sig: *const RecoverableSignature,
msg32: *const c_uchar)
-> c_int;
pub fn secp256k1_schnorr_sign(cx: *const Context,
sig64: *mut c_uchar,
msg32: *const c_uchar,
sk: *const c_uchar,
noncefn: NonceFn,
noncedata: *const c_void)
-> c_int;
pub fn secp256k1_schnorr_verify(cx: *const Context,
sig64: *const c_uchar,
msg32: *const c_uchar,
pk: *const PublicKey)
-> c_int;
pub fn secp256k1_schnorr_recover(cx: *const Context,
pk: *mut PublicKey,
sig64: *const c_uchar,
msg32: *const c_uchar)
-> c_int;
pub fn secp256k1_ec_seckey_verify(cx: *const Context,
sk: *const c_uchar) -> c_int;
pub fn secp256k1_ec_pubkey_create(cx: *const Context, pk: *mut PublicKey,
sk: *const c_uchar) -> c_int;
pub fn secp256k1_ec_privkey_tweak_add(cx: *const Context,
sk: *mut c_uchar,
tweak: *const c_uchar)
-> c_int;
pub fn secp256k1_ec_pubkey_tweak_add(cx: *const Context,
pk: *mut PublicKey,
tweak: *const c_uchar)
-> c_int;
pub fn secp256k1_ec_privkey_tweak_mul(cx: *const Context,
sk: *mut c_uchar,
tweak: *const c_uchar)
-> c_int;
pub fn secp256k1_ec_pubkey_tweak_mul(cx: *const Context,
pk: *mut PublicKey,
tweak: *const c_uchar)
-> c_int;
pub fn secp256k1_ec_pubkey_combine(cx: *const Context,
out: *mut PublicKey,
ins: *const *const PublicKey,
n: c_int)
-> c_int;
pub fn secp256k1_ecdh(cx: *const Context,
out: *mut SharedSecret,
point: *const PublicKey,
scalar: *const c_uchar)
-> c_int;
pub fn secp256k1_ecdh_raw(cx: *const Context,
out: *mut SharedSecret,
point: *const PublicKey,
scalar: *const c_uchar)
-> c_int;
pub fn secp256k1_ec_privkey_inverse(cx: *const Context,
out: *mut c_uchar,
scalar: *const c_uchar)
-> c_int;
}