openssl_pkcs7_verify

openssl_pkcs7_verify

Verifies the signature of an S/MIME signed message

 **openssl_pkcs7_verify** string $input_filename int $flags  $signers_certificates_filename array $ca_info  $untrusted_certificates_filename  $content  $output_filename

reads the S/MIME message

contained in the given file and examines the digital signature. openssl_pkcs7_verify

input_filenamePath to the message.

flags can be used to affect how the signature is verified - see for more information. flagsPKCS7 constants

signers_certificates_filename If the is specified, it should be a string holding the name of a file into which the certificates of the persons that signed the messages will be stored in format. signers_certificates_filename

ca_info If the is specified, it should hold information about the trusted CA certificates to use in the verification process - see for more information about this parameter. ca_infocertificate verification

untrusted_certificates_filename If the is specified, it is the filename of a file containing a bunch of certificates to use as untrusted CAs. untrusted_certificates_filename

content You can specify a filename with that will be filled with the verified data, but with the signature information stripped. content

output_filename

Returns true if the signature is verified, false if it is not correct (the message has been tampered with, or the signing certificate is invalid), or -1 on error.

Opmerking: > As specified in RFC 2045, lines may not be longer than 76 characters in the parameter. input_filename