(PHP 8 >= 8.1.0)
sodium_crypto_core_ristretto255_scalar_add — Adds a scalar value
Adds an element y
to x
.
Available as of libsodium 1.0.18.
This function is currently not documented; only its argument list is available.
x
Scalar, representing the X coordinate.
y
Scalar, representing the Y coordinate.
Returns a 32-byte random string.
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)