openssl_cms_verify

PHP 8
openssl_cms_verify - Verify a CMS signature
Manual

openssl_cms_verify(
     string$input_filename,
     [int$flags = 0],
     [string|null$certificates = null],
     [array$ca_info = []],
     [string|null$untrusted_certificates_filename = null],
     [string|null$content = null],
     [string|null$pk7 = null],
     [string|null$sigfile = null],
     [int$encoding = OPENSSL_ENCODING_SMIME]
): bool

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

Parameters

input_filename

The input 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.

pk7

sigfile

A file to save the signature to.

encoding

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

Return Values

Returns true on success or false on failure.

Function openssl_cms_verify:

  • Manual

OpenSSL Functions

Most used PHP functions