sodium_crypto_sign_open

    (PHP 7 >= 7.2.0, PHP 8)

    sodium_crypto_sign_open — Check that the signed message has a valid signature

    Description

    sodium_crypto_sign_open(string $signed_message, string $public_key): string|false

    Verify the signature attached to a message and return the message

    Parameters

    signed_message

    A message signed with sodium_crypto_sign()

    public_key

    An Ed25519 public key

    Return Values

    Returns the original signed message on success, or false on failure.

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