Rust

Create ICP-Brasil Compliant CMS Signature

See more CAdES Examples

Demonstrates how to create a .p7s signature that contains a data file, which in this case is a PDF. The .p7s will be compliant with the ICP-Brazil Digital Signature Standard.

The .p7s file created by this example can be verified at ICP-Brasil Online Verifier

Rust

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// ------------------------------------------------------------------------------------------------------
// Note: This example creates a CMS signature (.p7s) that contains the PDF.
// It is different than signing a PDF.  To sign a PDF where the resulting PDF contains the CMS signature,
// see this example:  Sign PDF for ICP-Brasil
// ------------------------------------------------------------------------------------------------------
let crypt = chilkat::Crypt2::new();

// Any type of file can be signed.  It doesn't have to be a PDF.
let in_file = "qa_data/pdf/helloWorld.pdf".to_string();

let bd = chilkat::BinData::new();
if bd.load_file(&in_file).is_err() {
    println!("Failed to load {}", in_file);
    return;
}

// We'll be using a certificate w/ private key stored on a smartcard for signing.
let cert = chilkat::Cert::new();

// If the smartcard or token requires a PIN, we can set it here to avoid the dialog...
cert.set_smart_card_pin("000000");

if cert.load_from_smartcard("").is_err() {
    println!("{}", cert.last_error_text());
    return;
}

// Tell the crypt component to use this cert.
if crypt.set_signing_cert(&cert).is_err() {
    println!("{}", crypt.last_error_text());
    return;
}

// Set properties for signing...
crypt.set_hash_algorithm("sha256");

let json_signing_attrs = chilkat::JsonObject::new();
let _ = json_signing_attrs.update_int("contentType", 1);
let _ = json_signing_attrs.update_int("signingTime", 1);
let _ = json_signing_attrs.update_int("messageDigest", 1);
let _ = json_signing_attrs.update_bool("signingCertificateV2", true);

// Listed here are the currently existing profiles. (Chilkat will add additional ICP Brasil policy profiles in future versions as new ones are created.)
// See https://www.gov.br/iti/pt-br/assuntos/repositorio/artefatos-de-assinatura-digital for more information.
// 
// PA_AD_RA --> 2.16.76.1.7.1.5.1
// PA_AD_RA_v1_1 --> 2.16.76.1.7.1.5.1.1
// PA_AD_RA_v1_2 --> 2.16.76.1.7.1.5.1.2
// PA_AD_RA_v2_0 --> 2.16.76.1.7.1.5.2
// PA_AD_RA_v2_1 --> 2.16.76.1.7.1.5.2.1
// PA_AD_RA_v2_2 --> 2.16.76.1.7.1.5.2.2
// PA_AD_RA_v2_3 --> 2.16.76.1.7.1.5.2.3
// PA_AD_RA_v2_4 --> 2.16.76.1.7.1.5.2.4
// PA_AD_RB --> 2.16.76.1.7.1.1.1
// PA_AD_RB_v1_1 --> 2.16.76.1.7.1.1.1.1
// PA_AD_RB_v2_0 --> 2.16.76.1.7.1.1.2
// PA_AD_RB_v2_1 --> 2.16.76.1.7.1.1.2.1
// PA_AD_RB_v2_2 --> 2.16.76.1.7.1.1.2.2
// PA_AD_RB_v2_3 --> 2.16.76.1.7.1.1.2.3
// PA_AD_RC --> 2.16.76.1.7.1.4.1
// PA_AD_RC_v1_1 --> 2.16.76.1.7.1.4.1.1
// PA_AD_RC_v2_0 --> 2.16.76.1.7.1.4.2
// PA_AD_RC_v2_1 --> 2.16.76.1.7.1.4.2.1
// PA_AD_RC_v2_2 --> 2.16.76.1.7.1.4.2.2
// PA_AD_RC_v2_3 --> 2.16.76.1.7.1.4.2.3
// PA_AD_RT --> 2.16.76.1.7.1.2.1
// PA_AD_RT_v1_1 --> 2.16.76.1.7.1.2.1.1
// PA_AD_RT_v2_0 --> 2.16.76.1.7.1.2.2
// PA_AD_RT_v2_1 --> 2.16.76.1.7.1.2.2.1
// PA_AD_RT_v2_2 --> 2.16.76.1.7.1.2.2.2
// PA_AD_RT_v2_3 --> 2.16.76.1.7.1.2.2.3
// PA_AD_RV --> 2.16.76.1.7.1.3.1
// PA_AD_RV_v1_1 --> 2.16.76.1.7.1.3.1.1
// PA_AD_RV_v2_0 --> 2.16.76.1.7.1.3.2
// PA_AD_RV_v2_1 --> 2.16.76.1.7.1.3.2.1
// PA_AD_RV_v2_2 --> 2.16.76.1.7.1.3.2.2
// PA_AD_RV_v2_3 --> 2.16.76.1.7.1.3.2.3

// Set the policy OID and the profile name
let _ = json_signing_attrs.update_string("policyId.id", "2.16.76.1.7.1.1.2.3");
let _ = json_signing_attrs.update_string("policyId.profile", "PA_AD_RB_v2_3");

crypt.set_signing_attributes(&json_signing_attrs.emit().unwrap_or_default());

// The Brazil government validator requires the ASN.1 data to be in "constructed octets" form..
crypt.set_uncommon_options("UseConstructedOctets,OmitAlgorithmIdNull");
crypt.set_include_cert_chain(false);

// Sign. 
if crypt.opaque_sign_bd(&bd).is_err() {
    println!("{}", crypt.last_error_text());
    return;
}

// Save to a .p7s
let _ = bd.write_file("qa_output/helloWorld.pdf.p7s").is_ok();

println!("Success");