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(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_generichash_final — Complete the hash
&$state, int $length = SODIUM_CRYPTO_GENERICHASH_BYTES): string
The finalization method for the streaming generichash API.
state
Hash state returned from sodium_crypto_generichash_init()
length
Output length.
Cryptographic hash.
示例 #1 sodium_crypto_generichash_final() example
<?php
$messages = [random_bytes(32), random_bytes(32), random_bytes(16)];
$state = sodium_crypto_generichash_init('', 32);
foreach ($messages as $message) {
sodium_crypto_generichash_update($state, $message);
}
$final = sodium_crypto_generichash_final($state, 32);
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) "a2939a9163cb7c796ec28e01028489e72475c136b2697ea59e3e760ab4a8ab20" string(64) "a2939a9163cb7c796ec28e01028489e72475c136b2697ea59e3e760ab4a8ab20"
