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Summery Summery
Update a BLAKE2b hashing context with additional data.
Syntax Syntax
Parameters Parameters
- $ctx
-
(Required) BLAKE2 hashing context. Generated by crypto_generichash_init(). $ctx is passed by reference and gets updated in-place.
- $message
-
(Required) The message to append to the existing hash state.
Return Return
(void)
Source Source
File: wp-includes/sodium_compat/src/Compat.php
public static function crypto_generichash_update(&$ctx, $message)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($ctx, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 2);
if (self::useNewSodiumAPI()) {
sodium_crypto_generichash_update($ctx, $message);
return;
}
if (self::use_fallback('crypto_generichash_update')) {
$func = '\\Sodium\\crypto_generichash_update';
$func($ctx, $message);
return;
}
if (PHP_INT_SIZE === 4) {
$ctx = ParagonIE_Sodium_Crypto32::generichash_update($ctx, $message);
} else {
$ctx = ParagonIE_Sodium_Crypto::generichash_update($ctx, $message);
}
}