<?php
$message = 'The quick brown fox jumped over the lazy dog.';
# Generate keypair
$keyPair = sodium_crypto_sign_keypair();
# Sign a message
$secKey = sodium_crypto_sign_secretkey($keyPair);
$signature = sodium_crypto_sign_detached($message, $secKey);
# Verify a message
$pubKey = sodium_crypto_sign_publickey($keyPair);
$verifyResult = sodium_crypto_sign_verify_detached($signature, $message, $pubKey);
var_dump($verifyResult); # true or false
?>
sodium_crypto_sign_verify_detached
(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_sign_verify_detached — Verify signature for the message
Description
Verify signature for the message
Parameters
-
signature -
The cryptographic signature obtained from sodium_crypto_sign_detached()
-
message -
The message being verified
-
public_key -
Ed25519 public key
Return Values
Returns true on success or false on failure.
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Anonymous ¶
4 years ago
