(PHP 8 >= 8.1.0)
sodium_crypto_core_ristretto255_from_hash — Maps a vector
Maps a 64-bytes vector s to a group element.
Available as of libsodium 1.0.18.
本函数还未编写文档，仅有参数列表。
sA 64-bytes vector.
Returns a 32-byte random string.
示例 #1 sodium_crypto_core_ristretto255_from_hash() example
<?php
$hashes = sodium_hex2bin(
'5d1be09e3d0c82fc538112490e35701979d99e06ca3e2b5b54bffe8b4dc772c1' .
'4d98b696a1bbfb5ca32c436cc61c16563790306c79eaca7705668b47dffe5bb6'
);
var_dump(sodium_bin2hex(sodium_crypto_core_ristretto255_from_hash($hashes)));
?>以上示例会输出：
string(64) "3066f82a1a747d45120d1740f14358531a8f04bbffe6a819f86dfe50f44a0a46"