sodium_crypto_generichash_update

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_generichash_update — Add message to a hash

说明

sodium_crypto_generichash_update ( string &$state , string $message ) : bool

Appends a message to the internal hash state.

参数

state: The return value of sodium_crypto_generichash_init().
message: Data to append to the hashing state.

返回值

成功时返回 true，或者在失败时返回 false。

范例

Example #1 sodium_crypto_generichash_update() example


<?php
$messages = [random_bytes(32), random_bytes(32), random_bytes(16)];
$state = sodium_crypto_generichash_init();
foreach ($messages as $message) {
    sodium_crypto_generichash_update($state, $message);
}
$final = sodium_crypto_generichash_final($state);
var_dump(sodium_bin2hex($final));

$allAtOnce = sodium_crypto_generichash(implode('', $messages));
var_dump(sodium_bin2hex($allAtOnce));
?>

以上例程的输出类似于：

string(64) "e16e28bbbbcc39d9f5b1cbc33c41f1d217808640103e57a41f24870f79831e04"
string(64) "e16e28bbbbcc39d9f5b1cbc33c41f1d217808640103e57a41f24870f79831e04"

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