PHP ActiveX Requires Chilkat v11.0.0+
PHP ActiveX
Validate CAdES-T Signature (.p7m)
See more CAdES Examples
Validates a CAdES-T CMS signature and extracts the time-stamp token and gets information about it. Also validates the time-stamp token.Chilkat PHP ActiveX Downloads
<?php
$success = 0;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
$crypt = new COM("Chilkat.Crypt2");
// Indicate that the CAdES-T timestamp tokens must also pass validation for the signature to be validated.
$cmsOptions = new COM("Chilkat.JsonObject");
$cmsOptions->UpdateBool('ValidateTimestampTokens',1);
$crypt->CmsOptions = $cmsOptions->emit();
// Validate the .p7m and extract the original signed data to an output file.
// Note: The timestampToken is an unauthenticated attribute. See the code below that retrieves and parses the last JSON data.
// for details about examining timestampToken.
$success = $crypt->VerifyP7M('qa_data/cades/CAdES-T/Signature-C-T-1.p7m','qa_output/out.dat');
// Get information about the CMS signature in the last JSON data.
// The detailed results of the signature validation are available in the last JSON data.
// (If the non-success return status was caused by an error such as "file not found", then the
// last JSON data would be empty.)
$json = new COM("Chilkat.JsonObject");
$crypt->GetLastJsonData($json);
$json->EmitCompact = 0;
print $json->emit() . "\n";
// Here is a sample result:
// See the parsing code below..
// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON
// {
// "pkcs7": {
// "verify": {
// "digestAlgorithms": [
// "sha256"
// ],
// "signerInfo": [
// {
// "cert": {
// "serialNumber": "00DCB814678CDB",
// "issuerCN": "LevelBCAOK",
// "issuerDN": "",
// "digestAlgOid": "2.16.840.1.101.3.4.2.1",
// "digestAlgName": "SHA256"
// },
// "contentType": "1.2.840.113549.1.7.1",
// "signingTime": "131203065741Z",
// "messageDigest": "JJZt41Nt8VsYahP+Xti4rR3vBDkUfRd6gquItl6R5Os=",
// "signingAlgOid": "1.2.840.113549.1.1.1",
// "signingAlgName": "RSA-PKCSV-1_5",
// "authAttr": {
// "1.2.840.113549.1.9.3": {
// "name": "contentType",
// "oid": "1.2.840.113549.1.7.1"
// },
// "1.2.840.113549.1.9.5": {
// "name": "signingTime",
// "utctime": "131203065741Z"
// },
// "1.2.840.113549.1.9.4": {
// "name": "messageDigest",
// "digest": "JJZt41Nt8VsYahP+Xti4rR3vBDkUfRd6gquItl6R5Os="
// },
// "1.2.840.113549.1.9.16.2.47": {
// "name": "signingCertificateV2",
// "der": "MIGIMIGFMIGCBCBJrxOU0w0dWGsVovjLv9QDH3syB5mLVv3grSYA40x9IDBeMFOkUTBPMQswCQYDVQQGEwJGUjENMAsGA1UEChMERVRTSTEcMBoGA1UECwwTUGx1Z3Rlc3RzXzIwMTMtMjAxNDETMBEGA1UEAxMKTGV2ZWxCQ0FPSwIHANy4FGeM2w=="
// }
// },
// "unauthAttr": {
// "1.2.840.113549.1.9.16.2.14": {
// "name": "timestampToken",
// "der": "MIIL+AYJKoZI...u7CfcjURNTY=",
// "verify": {
// "digestAlgorithms": [
// "sha256"
// ],
// "signerInfo": [
// {
// "cert": {
// "serialNumber": "01AA4592D36C61",
// "issuerCN": "RootCAOK",
// "issuerDN": "",
// "digestAlgOid": "2.16.840.1.101.3.4.2.1",
// "digestAlgName": "SHA256"
// },
// "contentType": "1.2.840.113549.1.9.16.1.4",
// "messageDigest": "NSsMUrfoyCQ0OszPE1YLx1j3EyyCiBmnE5Sua6ghu/Q=",
// "signingAlgOid": "1.2.840.113549.1.1.1",
// "signingAlgName": "RSA-PKCSV-1_5",
// "authAttr": {
// "1.2.840.113549.1.9.3": {
// "name": "contentType",
// "oid": "1.2.840.113549.1.9.16.1.4"
// },
// "1.2.840.113549.1.9.4": {
// "name": "messageDigest",
// "digest": "NSsMUrfoyCQ0OszPE1YLx1j3EyyCiBmnE5Sua6ghu/Q="
// },
// "1.2.840.113549.1.9.16.2.47": {
// "name": "signingCertificateV2",
// "der": "MIGGMIGDMIGABCDB/np5UxvhcPnSxD2Kme+C88uXGCMWLAvFPHNvTApTWDBcMFGkTzBNMQswCQYDVQQGEwJGUjENMAsGA1UEChMERVRTSTEcMBoGA1UECwwTUGx1Z3Rlc3RzXzIwMTMtMjAxNDERMA8GA1UEAxMIUm9vdENBT0sCBwGqRZLTbGE="
// }
// }
// }
// ]
// },
// "timestampSignatureVerified": true,
// "tstInfo": {
// "tsaPolicyId": "1.3.6.1.4.1.2706.2.2.5.2.1.1.1",
// "messageImprint": {
// "hashAlg": "sha256",
// "digest": "C8xEe9NA4X1cUyHGX9zG89ipmQ2byFs3aa+Xe4Fz2P0=",
// "digestMatches": true
// },
// "serialNumber": "313E162121D922",
// "genTime": "20131203065742Z"
// }
// }
// }
// }
// ]
// }
// }
// }
//
$signingTime = new COM("Chilkat.DtObj");
$authAttrSigningTimeUtctime = new COM("Chilkat.DtObj");
$unauthAttrTimestampTokenTstInfoGenTime = new COM("Chilkat.DtObj");
// Iterate over the hash algorithms used in the signature.
$i = 0;
$count_i = $json->SizeOfArray('pkcs7.verify.digestAlgorithms');
while ($i < $count_i) {
$json->I = $i;
$strVal = $json->stringOf('pkcs7.verify.digestAlgorithms[i]');
$i = $i + 1;
}
// For each signer...
$i = 0;
$count_i = $json->SizeOfArray('pkcs7.verify.signerInfo');
while ($i < $count_i) {
$json->I = $i;
// Get information about the certificate used by this signer.
$certSerialNumber = $json->stringOf('pkcs7.verify.signerInfo[i].cert.serialNumber');
$certIssuerCN = $json->stringOf('pkcs7.verify.signerInfo[i].cert.issuerCN');
$certIssuerDN = $json->stringOf('pkcs7.verify.signerInfo[i].cert.issuerDN');
$certDigestAlgOid = $json->stringOf('pkcs7.verify.signerInfo[i].cert.digestAlgOid');
$certDigestAlgName = $json->stringOf('pkcs7.verify.signerInfo[i].cert.digestAlgName');
// Get additional information for this signer, such as the signingTime, signature algorithm, etc.
$contentType = $json->stringOf('pkcs7.verify.signerInfo[i].contentType');
$json->DtOf('pkcs7.verify.signerInfo[i].signingTime',0,$signingTime);
$messageDigest = $json->stringOf('pkcs7.verify.signerInfo[i].messageDigest');
$signingAlgOid = $json->stringOf('pkcs7.verify.signerInfo[i].signingAlgOid');
$signingAlgName = $json->stringOf('pkcs7.verify.signerInfo[i].signingAlgName');
// --------------------------------
// Examine authenticated attributes.
// --------------------------------
// contentType
if ($json->HasMember('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.3\'') == 1) {
$authAttrContentTypeName = $json->stringOf('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.3\'.name');
$authAttrContentTypeOid = $json->stringOf('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.3\'.oid');
}
// signingTime
if ($json->HasMember('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.5\'') == 1) {
$authAttrSigningTimeName = $json->stringOf('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.5\'.name');
$json->DtOf('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.5\'.utctime',0,$authAttrSigningTimeUtctime);
}
// messageDigest
if ($json->HasMember('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.4\'') == 1) {
$authAttrMessageDigestName = $json->stringOf('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.4\'.name');
$authAttrMessageDigestDigest = $json->stringOf('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.4\'.digest');
}
// signingCertificateV2
if ($json->HasMember('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.16.2.47\'') == 1) {
$authAttrSigningCertificateV2Name = $json->stringOf('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.16.2.47\'.name');
$authAttrSigningCertificateV2Der = $json->stringOf('pkcs7.verify.signerInfo[i].authAttr.\'1.2.840.113549.1.9.16.2.47\'.der');
}
// --------------------------------
// Examine unauthenticated attributes.
// --------------------------------
// timestampToken (the timestampToken is what makes this signature a CAdES-T)
if ($json->HasMember('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'') == 1) {
$unauthAttrTimestampTokenName = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.name');
$unauthAttrTimestampTokenDer = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.der');
// This is where we find out if the timestampToken's signature is valid.
$unauthAttrTimestampTokenTimestampSignatureVerified = $json->BoolOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.timestampSignatureVerified');
$unauthAttrTimestampTokenTstInfoTsaPolicyId = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.tstInfo.tsaPolicyId');
$unauthAttrTimestampTokenTstInfoMessageImprintHashAlg = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.tstInfo.messageImprint.hashAlg');
$unauthAttrTimestampTokenTstInfoMessageImprintDigest = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.tstInfo.messageImprint.digest');
// Here is where we check to see if the digest in the timestampToken's messageImprint matches the digest of the signature of this signerInfo
$unauthAttrTimestampTokenTstInfoMessageImprintDigestMatches = $json->BoolOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.tstInfo.messageImprint.digestMatches');
$unauthAttrTimestampTokenTstInfoSerialNumber = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.tstInfo.serialNumber');
// Here is where we get the date/time of the timestampToken (i.e. when it was timestamped)
$json->DtOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.tstInfo.genTime',0,$unauthAttrTimestampTokenTstInfoGenTime);
// The following code gets details about the validity of the timestampToken's signature...
$j = 0;
$count_j = $json->SizeOfArray('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.digestAlgorithms');
while ($j < $count_j) {
$json->J = $j;
$strVal = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.digestAlgorithms[j]');
$j = $j + 1;
}
$j = 0;
$count_j = $json->SizeOfArray('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo');
while ($j < $count_j) {
$json->J = $j;
$certSerialNumber = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].cert.serialNumber');
$certIssuerCN = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].cert.issuerCN');
$certIssuerDN = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].cert.issuerDN');
$certDigestAlgOid = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].cert.digestAlgOid');
$certDigestAlgName = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].cert.digestAlgName');
$contentType = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].contentType');
$messageDigest = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].messageDigest');
$signingAlgOid = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].signingAlgOid');
$signingAlgName = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].signingAlgName');
$authAttrContentTypeName = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].authAttr.\'1.2.840.113549.1.9.3\'.name');
$authAttrContentTypeOid = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].authAttr.\'1.2.840.113549.1.9.3\'.oid');
$authAttrMessageDigestName = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].authAttr.\'1.2.840.113549.1.9.4\'.name');
$authAttrMessageDigestDigest = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].authAttr.\'1.2.840.113549.1.9.4\'.digest');
$authAttrSigningCertificateV2Name = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].authAttr.\'1.2.840.113549.1.9.16.2.47\'.name');
$authAttrSigningCertificateV2Der = $json->stringOf('pkcs7.verify.signerInfo[i].unauthAttr.\'1.2.840.113549.1.9.16.2.14\'.verify.signerInfo[j].authAttr.\'1.2.840.113549.1.9.16.2.47\'.der');
$j = $j + 1;
}
}
$i = $i + 1;
}
if ($success != 1) {
print $crypt->LastErrorText . "\n";
print 'CAdES-T verification failed.' . "\n";
}
else {
print 'CAdES-T signature is valid.' . "\n";
}
?>