sodium_crypto_core_ristretto255_scalar_invert
(PHP 8 >= 8.1.0)
sodium_crypto_core_ristretto255_scalar_invert — Inverts a scalar value
Description
sodium_crypto_core_ristretto255_scalar_invert(string $s): string
Inverts a scalar value. Available as of libsodium 1.0.18.
Warning
This function is currently not documented; only its argument list is available.
Parameters
-
s
-
Scalar value.
Return Values
Returns a 32-byte random string.
Examples
Example #1 sodium_crypto_core_ristretto255_scalar_invert() example
<?php $foo = sodium_crypto_core_ristretto255_scalar_random(); $inverted = sodium_crypto_core_ristretto255_scalar_invert($foo); $reInverted = sodium_crypto_core_ristretto255_scalar_invert($inverted); var_dump(hash_equals($foo, $reInverted)); ?>
The above example will output:
bool(true)
See Also
- sodium_crypto_core_ristretto255_scalar_random() - Generates a random key
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.sodium-crypto-core-ristretto255-scalar-invert.php