Home/ Manual/ sodium / functions/ sodium_crypto_sign

sodium_crypto_sign

PHP function Edit on GitHub ✎

(PHP 7 >= 7.2.0, PHP 8)

Sign a message

Description

sodium_crypto_sign(string $message, string $secret_key): string

Sign a message with a secret key, that can be verified by the corresponding public key. This function attaches the signature to the message. See sodium_crypto_sign_detached() for detached signatures.

Parameters

message: Message to sign.
secret_key: Secret key. See sodium_crypto_sign_secretkey()

Return Values

Signed message (not encrypted).

Source: reference/sodium/functions/sodium-crypto-sign.xml · from the official PHP manual (php/doc-en)