sodium_crypto_core_ristretto255_scalar_add

(PHP 8 >= 8.1.0)

sodium_crypto_core_ristretto255_scalar_addAdds a scalar value

Description

sodium_crypto_core_ristretto255_scalar_add(string $x, string $y): string

Adds an element y to x. Available as of libsodium 1.0.18.

Warning

This function is currently not documented; only its argument list is available.

Parameters

x

Scalar, representing the X coordinate.

y

Scalar, representing the Y coordinate.

Return Values

Returns a 32-byte random string.

Examples

Example #1 sodium_crypto_core_ristretto255_scalar_add() example

<?php$foo = sodium_crypto_core_ristretto255_scalar_random();$bar = sodium_crypto_core_ristretto255_scalar_random();$value = sodium_crypto_core_ristretto255_scalar_add($foo, $bar);$value = sodium_crypto_core_ristretto255_scalar_sub($value, $bar);var_dump(hash_equals($foo, $value));?>

The above example will output:

bool(true)

See Also