openssl_cms_decrypt

(PHP 8)

openssl_cms_decrypt — Decrypt a CMS message

openssl_cms_decrypt(
    string $input_filename,
    string $output_filename,
    #[\SensitiveParameter] OpenSSLCertificate|string $certificate,
    #[\SensitiveParameter] OpenSSLAsymmetricKey|OpenSSLCertificate|array|string|null $private_key = null,
    int $encoding = OPENSSL_ENCODING_SMIME
): bool

Decrypts a CMS message.

input_filename: The name of a file containing encrypted content.
output_filename: The name of the file to deposit the decrypted content.
certificate: The name of the file containing a certificate of the recipient.
private_key: The name of the file containing a PKCS#8 key.
encoding: The encoding of the input file. One of OPENSSL_ENCODING_SMIME, OPENSSL_ENCODING_DER or OPENSSL_ENCODING_PEM.

Returns true on success or false on failure.

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