public function getPrivate()
{
do {
$key = \openssl_random_pseudo_bytes(32);
} while (secp256k1_ec_seckey_verify(self::getContext(), $key) == 0);
return $key;
}
function generateKeyPair()
{
// Create a context:
$ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
do {
// Generate random str:
$privkey = mcrypt_create_iv(32, \MCRYPT_DEV_URANDOM);
// Attempt to verify that it's a valid private key:
} while (!(bool) secp256k1_ec_seckey_verify($ctx, $privkey));
$pubkey = null;
$pubkeyRef = null;
// Create the public key (note: For additional safety, check this equals 1):
secp256k1_ec_pubkey_create($ctx, $privkey, $pubkeyRef);
// Serialise it:
secp256k1_ec_pubkey_serialize($ctx, $pubkeyRef, false, $pubkey);
// Done:
return array('private' => $privkey, 'public' => $pubkey);
}
/**
* @param Buffer $privateKey
* @return bool
*/
public function validatePrivateKey(Buffer $privateKey)
{
$ret = (bool) \secp256k1_ec_seckey_verify($privateKey->getBinary());
return $ret;
}
/**
* @param BufferInterface $privateKey
* @return bool
*/
public function validatePrivateKey(BufferInterface $privateKey)
{
return (bool) secp256k1_ec_seckey_verify($this->context, $privateKey->getBinary());
}
