public static function ParagonIE_Sodium_Compat::crypto_generichash_init_salt_personal in Automatic Updates 8
Same name and namespace in other branches
- 7 vendor/paragonie/sodium_compat/src/Compat.php \ParagonIE_Sodium_Compat::crypto_generichash_init_salt_personal()
Initialize a BLAKE2b hashing context, for use in a streaming interface.
@psalm-suppress MixedArgument
Parameters
string|null $key If specified must be a string between 16 and 64 bytes:
int $length The size of the desired hash output:
string $salt Salt (up to 16 bytes):
string $personal Personalization string (up to 16 bytes):
Return value
string A BLAKE2 hashing context, encoded as a string (To be 100% compatible with ext/libsodium)
Throws
SodiumException
TypeError
1 call to ParagonIE_Sodium_Compat::crypto_generichash_init_salt_personal()
- ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key in vendor/
paragonie/ sodium_compat/ src/ Compat.php
File
- vendor/
paragonie/ sodium_compat/ src/ Compat.php, line 1529
Class
Code
public static function crypto_generichash_init_salt_personal($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);
}