Rust Requires Chilkat v11.0.0+
Rust
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 Rust Downloads
let mut success = false;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
let crypt = chilkat::Crypt2::new();
// Indicate that the CAdES-T timestamp tokens must also pass validation for the signature to be validated.
let cms_options = chilkat::JsonObject::new();
let _ = cms_options.update_bool("ValidateTimestampTokens", true);
crypt.set_cms_options(&cms_options.emit().unwrap_or_default());
// 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.verify_p7_m("qa_data/cades/CAdES-T/Signature-C-T-1.p7m", "qa_output/out.dat").is_ok();
// 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.)
let json = chilkat::JsonObject::new();
crypt.get_last_json_data(&json);
json.set_emit_compact(false);
println!("{}", json.emit().unwrap_or_default());
// 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"
// }
// }
// }
// }
// ]
// }
// }
// }
//
let mut i: i32 = 0;
let mut count_i: i32 = 0;
let signing_time = chilkat::DtObj::new();
let auth_attr_signing_time_utctime = chilkat::DtObj::new();
let unauth_attr_timestamp_token_tst_info_gen_time = chilkat::DtObj::new();
let mut j: i32 = 0;
let mut count_j: i32 = 0;
// Iterate over the hash algorithms used in the signature.
i = 0;
count_i = json.size_of_array("pkcs7.verify.digestAlgorithms");
while i < count_i {
json.set_i(i);
let _ = json.string_of("pkcs7.verify.digestAlgorithms[i]").unwrap_or_default();
i = i + 1;
}
// For each signer...
i = 0;
count_i = json.size_of_array("pkcs7.verify.signerInfo");
while i < count_i {
json.set_i(i);
// Get information about the certificate used by this signer.
let _ = json.string_of("pkcs7.verify.signerInfo[i].cert.serialNumber").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].cert.issuerCN").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].cert.issuerDN").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].cert.digestAlgOid").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].cert.digestAlgName").unwrap_or_default();
// Get additional information for this signer, such as the signingTime, signature algorithm, etc.
let _ = json.string_of("pkcs7.verify.signerInfo[i].contentType").unwrap_or_default();
let _ = json.dt_of("pkcs7.verify.signerInfo[i].signingTime", false, &signing_time);
let _ = json.string_of("pkcs7.verify.signerInfo[i].messageDigest").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].signingAlgOid").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].signingAlgName").unwrap_or_default();
// --------------------------------
// Examine authenticated attributes.
// --------------------------------
// contentType
if json.has_member("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.3\"") {
let _ = json.string_of("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.3\".name").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.3\".oid").unwrap_or_default();
}
// signingTime
if json.has_member("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.5\"") {
let _ = json.string_of("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.5\".name").unwrap_or_default();
let _ = json.dt_of("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.5\".utctime", false, &auth_attr_signing_time_utctime);
}
// messageDigest
if json.has_member("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.4\"") {
let _ = json.string_of("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.4\".name").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.4\".digest").unwrap_or_default();
}
// signingCertificateV2
if json.has_member("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.16.2.47\"") {
let _ = json.string_of("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.16.2.47\".name").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].authAttr.\"1.2.840.113549.1.9.16.2.47\".der").unwrap_or_default();
}
// --------------------------------
// Examine unauthenticated attributes.
// --------------------------------
// timestampToken (the timestampToken is what makes this signature a CAdES-T)
if json.has_member("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\"") {
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".name").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".der").unwrap_or_default();
// This is where we find out if the timestampToken's signature is valid.
let _ = json.bool_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".timestampSignatureVerified");
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".tstInfo.tsaPolicyId").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".tstInfo.messageImprint.hashAlg").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".tstInfo.messageImprint.digest").unwrap_or_default();
// Here is where we check to see if the digest in the timestampToken's messageImprint matches the digest of the signature of this signerInfo
let _ = json.bool_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".tstInfo.messageImprint.digestMatches");
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".tstInfo.serialNumber").unwrap_or_default();
// Here is where we get the date/time of the timestampToken (i.e. when it was timestamped)
let _ = json.dt_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".tstInfo.genTime", false, &unauth_attr_timestamp_token_tst_info_gen_time);
// The following code gets details about the validity of the timestampToken's signature...
j = 0;
count_j = json.size_of_array("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.digestAlgorithms");
while j < count_j {
json.set_j(j);
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.digestAlgorithms[j]").unwrap_or_default();
j = j + 1;
}
j = 0;
count_j = json.size_of_array("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.signerInfo");
while j < count_j {
json.set_j(j);
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.signerInfo[j].cert.serialNumber").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.signerInfo[j].cert.issuerCN").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.signerInfo[j].cert.issuerDN").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.signerInfo[j].cert.digestAlgOid").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.signerInfo[j].cert.digestAlgName").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.signerInfo[j].contentType").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.signerInfo[j].messageDigest").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.signerInfo[j].signingAlgOid").unwrap_or_default();
let _ = json.string_of("pkcs7.verify.signerInfo[i].unauthAttr.\"1.2.840.113549.1.9.16.2.14\".verify.signerInfo[j].signingAlgName").unwrap_or_default();
let _ = json.string_of("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").unwrap_or_default();
let _ = json.string_of("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").unwrap_or_default();
let _ = json.string_of("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").unwrap_or_default();
let _ = json.string_of("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").unwrap_or_default();
let _ = json.string_of("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").unwrap_or_default();
let _ = json.string_of("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").unwrap_or_default();
j = j + 1;
}
}
i = i + 1;
}
if !success {
println!("{}", crypt.last_error_text());
println!("CAdES-T verification failed.");
} else {
println!("CAdES-T signature is valid.");
}