sodium_crypto_core_ristretto255_scalar_add
PHP function
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(PHP 8 >= 8.1.0)
Adds 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.
Func
Parameters
xScalar, representing the X coordinate.
yScalar, representing the Y coordinate.
Return Values
Returns a 32-byte random String.
Examples
sodium_crypto_core_ristretto255_scalar_add() example
php
<?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:
output
bool(true)