gnupg_sign

    (PECL gnupg >= 0.1)

    gnupg_sign — Signs a given text

    Description

    gnupg_sign(resource $identifier, string $plaintext): string|false

    Signs the given plaintext with the keys, which were set with gnupg_addsignkey before and returns the signed text or the signature, depending on what was set with gnupg_setsignmode.

    Parameters

    identifier

    The gnupg identifier, from a call to gnupg_init() or gnupg.

    plaintext

    The plain text being signed.

    Return Values

    On success, this function returns the signed text or the signature. On failure, this function returns false.

    Examples

    Example #1 Procedural gnupg_sign() example

    <?php
    $res     = gnupg_init();
    gnupg_addsignkey($res,"8660281B6051D071D94B5B230549F9DC851566DC","test");
    $signed = gnupg_sign($res, "just a test");
    echo     $signed;
    ?>

    Example #2 OO gnupg_sign() example

    <?php
    $gpg     = new gnupg();
    $gpg->addsignkey("8660281B6051D071D94B5B230549F9DC851566DC","test");
    $signed = $gpg->sign("just a test");
    echo     $signed;
    ?>

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    User Contributed Notes 1 note

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    phplist2REMOVE AT REMtincanOVE.co.uk
    18 years ago
    It's a bit confusing how the "keyinfo" for a key returns "can_sign".

    If you have only added your Public Key, it will indicate "can_sign" for the key in "keyinfo", but that doesn't mean yet, that you can sign with the key. You will also need to add your Private Key to actually make signing work.
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