ParagonIE_Sodium_Compat::crypto_generichash_init_salt_personal() public WP 1.0

Initialize a BLAKE2b hashing context, for use in a streaming interface.

{} Это метод класса: ParagonIE_Sodium_Compat{}

Хуков нет.

Возвращает

Строку. A BLAKE2 hashing context, encoded as a string (To be 100% compatible with ext/libsodium)

Использование

$result = ParagonIE_Sodium_Compat::crypto_generichash_init_salt_personal(;

$key(строка/null) (обязательный)

If specified must be a string between 16 and 64 bytes

$length(число) (обязательный)

The size of the desired hash output

$salt(строка) (обязательный)

Salt (up to 16 bytes)

$personal(строка) (обязательный)

Personalization string (up to 16 bytes)

Код ParagonIE_Sodium_Compat::crypto_generichash_init_salt_personal() ParagonIE Sodium Compat::crypto generichash init salt personal ^{WP 5.5.2}

<?php
public static function crypto_generichash_init_salt_personal(
    $key = '',
    $length = self::CRYPTO_GENERICHASH_BYTES,
    $salt = '',
    $personal = ''
) {
    /* Type checks: */
    if (is_null($key)) {
        $key = '';
    }
    ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 1);
    ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 2);
    ParagonIE_Sodium_Core_Util::declareScalarType($salt, 'string', 3);
    ParagonIE_Sodium_Core_Util::declareScalarType($personal, 'string', 4);
    $salt = str_pad($salt, 16, "\0", STR_PAD_RIGHT);
    $personal = str_pad($personal, 16, "\0", STR_PAD_RIGHT);

    /* Input validation: */
    if (!empty($key)) {
        /*
        if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) {
            throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.');
        }
        */
        if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) {
            throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.');
        }
    }
    if (PHP_INT_SIZE === 4) {
        return ParagonIE_Sodium_Crypto32::generichash_init_salt_personal($key, $length, $salt, $personal);
    }
    return ParagonIE_Sodium_Crypto::generichash_init_salt_personal($key, $length, $salt, $personal);
}