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sodium_crypto_sign

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_signSign 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).

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https://www.php.net/manual/en/function.sodium-crypto-sign.php