openssl_cms_sign

    (PHP 8)

    openssl_cms_sign — Sign a file

    说明

    openssl_cms_sign(
        string $input_filename,
        string $output_filename,
        OpenSSLCertificate|string $certificate,
        #[\SensitiveParameter] 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.

    参数

    input_filename

    The name of the file to be signed.

    output_filename

    The name of the file to deposit the results.

    certificate

    The signing certificate. See Key/Certificate parameters for a list of valid values.

    private_key

    The key associated with certificate. See Key/Certificate parameters for a list of valid values.

    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_ENCODING_SMIME, OPENSSL_ENCODING_DER or OPENSSL_ENCODING_PEM.

    untrusted_certificates_filename

    Intermediate certificates to be included in the signature.

    返回值

    成功时返回 true， 或者在失败时返回 false。

    示例

    示例 #1 openssl_cms_sign() example

    <?php

    openssl_cms_sign    ('input.txt', 'output.txt', 'file://cert.pem', 'file://privkey.pem', null, OPENSSL_CMS_BINARY, OPENSSL_ENCODING_DER, 'chain.pem');
    ?>

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