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openssl_cms_verify

PHP function Edit on GitHub ✎

(PHP 8)

Verify a CMS signature

Description

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

Success

Source: reference/openssl/functions/openssl-cms-verify.xml · from the official PHP manual (php/doc-en)