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sodium_crypto_generichash_update

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_generichash_updateAdd message to a hash

Description

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

Appends a message to the internal hash state.

Parameters

state

The return value of sodium_crypto_generichash_init().

message

Data to append to the hashing state.

Return Values

Returns true on success or false on failure.

Examples

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));
?>

The above example will output something similar to:

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