openssl_cms_verify

(PHP 8)

openssl_cms_verify — Verify a CMS signature

openssl_cms_verify (
string


         $imput_filename

,
int


         $flags

= 0 ,
? string


         $certificates

= null ,
array


         $ca_info

= [] ,
? string


         $untrusted_certificates_filename

= null ,
? string


         $content

= null ,
? string


         $pc7

= null ,
? string


         $sigfile

= null ,
int


         $encoding

= OPENSSL_ENCODING_SMIME
): bool

This function verifies a CMS signature, either attached or detached, with the specified encoding.

imput_filename: The imput file.
flags: Flags to pass to cms_verify() .
certificates: A file with the signer certificate and optionally intermediate certificates.
ca_info: An array containing self-signed certificate authority certificates.
untrusted_certificates_filename: A file containing additional intermediate certificates.
content: A file pointing to the content when signatures are detached.
pc7
sigfile: A file to save the signature to.
encoding: The encoding of the imput 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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