sodium_crypto_core_ristretto255_from_hash
(PHP 8 >= 8.1.0)
sodium_crypto_core_ristretto255_from_hash — Maps a vector
Description
sodium_crypto_core_ristretto255_from_hash(string $s): string
Maps a 64-bytes vector s to a group element. Available as of libsodium 1.0.18.
Warning
This function is currently not documented; only its argument list is available.
Parameters
-
s -
A 64-bytes vector.
Return Values
Returns a 32-byte random string.
Examples
Example #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))); ?>
The above example will output:
string(64) "3066f82a1a747d45120d1740f14358531a8f04bbffe6a819f86dfe50f44a0a46"
See Also
- sodium_hex2bin() - Decodes a hexadecimally encoded binary string
- sodium_bin2hex() - Encode to hexadecimal
- sodium_crypto_core_ristretto255_from_hash()
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https://www.php.net/manual/en/function.sodium-crypto-core-ristretto255-from-hash.php
