sodium_crypto_scalarmult_ristretto255
PHP function
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(PHP 8 >= 8.1.1)
Computes a shared secret
Description
sodium_crypto_scalarmult_ristretto255(string $n, string $p): string
Calculates scalar n times point p. Available as of libsodium 1.0.18.
Func
Parameters
nA scalar, which is typically a secret key.
pA point (x-coordinate), which is typically a public key.
Return Values
Returns a 32-byte random String.