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openssl_cms_sign

(PHP 8)

openssl_cms_signSign a file

Beschreibung

openssl_cms_sign(
    string $input_filename,
    string $output_filename,
    OpenSSLCertificate|string $certificate,
    OpenSSLAsymmetricKey|OpenSSLCertificate|array|string $private_key,
    ?array $headers,
    int $flags = 0,
    int $encoding = OPENSSL_ENCODING_SMIME,
    ?string $untrusted_certificates_filename = null
): bool

This function signs a file with an X.509 certificate and key.

Parameter-Liste

input_filename

The name of the file to be signed.

output_filename

The name of the file to deposit the results.

certificate

The name of the file containing the signing certificate.

private_key

The name of file containing the key associated with certificate.

headers

An array of headers to be included in S/MIME output.

flags

Flags to be passed to cms_sign().

encoding

The encoding of the output file. One of OPENSSL_CMS_SMIME, OPENSLL_CMS_DER or OPENSSL_CMS_PEM.

untrusted_certificates_filename

Intermediate certificates to be included in the signature.

Rückgabewerte

Gibt bei Erfolg true zurück. Bei einem Fehler wird false zurückgegeben.

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User Contributed Notes 1 note

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miranda dot markmorgan at gmail dot com
5 months ago
Manage to make it work at last.

$dn = array(
    "countryName" => "XX",
    "stateOrProvinceName" => "Location",
    "localityName" => "Local",
    "organizationName" => "Sample Organization",
    "organizationalUnitName" => "Organizational Unit",
    "commonName" => "Sample",
    "emailAddress" => "contactus@email.com"
);

// Generate a new private (and public) key pair
$privkey = openssl_pkey_new(array(
    "private_key_bits" => 4096,
    "private_key_type" => OPENSSL_KEYTYPE_RSA,
));

// Generate a certificate signing request
$csr = openssl_csr_new($dn, $privkey, array('digest_alg' => 'sha512'));

// Generate a self-signed cert, valid for 365 days
$x509 = openssl_csr_sign($csr, null, $privkey, $days=365, array('digest_alg' => 'sha512'));

// Save your private key, CSR and self-signed cert for later use
openssl_csr_export($csr, $csrout) and var_dump($csrout); // .csr
openssl_x509_export($x509, $certout) and var_dump($certout); // .crt.pem
openssl_pkey_export($privkey, $pkeyout, "user_defined_password") and var_dump($pkeyout); // .key.pem

if(openssl_cms_sign ( "file_to_sign", "Sample.p7m" , $x509 , $privkey, null , 0 , 0 , null )){
    echo "SIGNED SUCCESSFULLY! Sample.p7m created... \r\n";
}
else
{
    echo "SIGNED FAILED!\r\n";
}
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