openssl_cms_decrypt

Decrypt a CMS message.

openssl_cms_decrypt Function synopsis

openssl_cms_decrypt(
    string $input_filename,
    string $output_filename,
    $certificate,
    $private_key = null,
    int $encoding = OPENSSL_ENCODING_SMIME
  ): bool

Parameters

$input_filename

Typestring

The name of a file containing encrypted content.

$output_filename

Typestring

The name of the file to deposit the decrypted content.

$certificate

The name of the file containing a certificate of the recipient.

$private_key

OptionalDefault valuenull

The name of the file containing a PKCS#8 key.

$encoding

OptionalTypeintDefault valueOPENSSL_ENCODING_SMIME

The encoding of the input file. One of OPENSSL_ENCODING_SMIME, OPENSSL_ENCODING_DER or OPENSSL_ENCODING_PEM.

Return value

Typebool

Returns true on success, false on failure