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openssl_x509_verify
Examples
openssl_x509_verify
PHP 7 >= 7.4.0, PHP 8
openssl_x509_verify - Verifies digital signature of x509 certificate against a public key
Manual
Code Examples
Example #1 openssl_x509_verify example
<?php $hostname = "news.php.net"; $ssloptions = array( "capture_peer_cert" => true, "capture_peer_cert_chain" => true, "allow_self_signed"=> false, "CN_match" => $hostname, "verify_peer" => true, "SNI_enabled" => true, "SNI_server_name" => $hostname, ); $ctx = stream_context_create( array("ssl" => $ssloptions) ); $result = stream_socket_client("ssl://$hostname:443", $errno, $errstr, 30, STREAM_CLIENT_CONNECT, $ctx); $cont = stream_context_get_params($result); $x509 = $cont["options"]["ssl"]["peer_certificate"]; $certparsed = openssl_x509_parse($x509); foreach($cont["options"]["ssl"]["peer_certificate_chain"] as $chaincert) { $chainparsed = openssl_x509_parse($chaincert); $chain_public_key = openssl_get_publickey($chaincert); $r = openssl_x509_verify($x509, $chain_public_key); if ($r==1) { echo $certparsed['subject']['CN']; echo " was digitally signed by "; echo $chainparsed['subject']['CN']."\n"; } }
1
2
<?php
$hostname
=
"news.php.net"
;
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Function openssl_x509_verify:
Manual
Code Examples
OpenSSL Functions
openssl_cipher_iv_length
openssl_cms_decrypt
openssl_cms_encrypt
openssl_cms_read
openssl_cms_sign
openssl_cms_verify
openssl_csr_export_to_file
openssl_csr_export
openssl_csr_get_public_key
openssl_csr_get_subject
openssl_csr_new
openssl_csr_sign
openssl_decrypt
openssl_dh_compute_key
openssl_digest
openssl_encrypt
openssl_error_string
openssl_free_key
openssl_get_cert_locations
openssl_get_cipher_methods
openssl_get_curve_names
openssl_get_md_methods
openssl_get_privatekey
openssl_get_publickey
openssl_open
openssl_pbkdf2
openssl_pkcs12_export_to_file
openssl_pkcs12_export
openssl_pkcs12_read
openssl_pkcs7_decrypt
openssl_pkcs7_encrypt
openssl_pkcs7_read
openssl_pkcs7_sign
openssl_pkcs7_verify
openssl_pkey_derive
openssl_pkey_export_to_file
openssl_pkey_export
openssl_pkey_free
openssl_pkey_get_details
openssl_pkey_get_private
openssl_pkey_get_public
openssl_pkey_new
openssl_private_decrypt
openssl_private_encrypt
openssl_public_decrypt
openssl_public_encrypt
openssl_random_pseudo_bytes
openssl_seal
openssl_sign
openssl_spki_export_challenge
openssl_spki_export
openssl_spki_new
openssl_spki_verify
openssl_verify
openssl_x509_check_private_key
openssl_x509_checkpurpose
openssl_x509_export_to_file
openssl_x509_export
openssl_x509_fingerprint
openssl_x509_free
openssl_x509_parse
openssl_x509_read
openssl_x509_verify
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