Examples with Attributes org.bouncycastle.asn1.cms.Attributes used on opensource projects

Example 16 with Attributes

use of org.bouncycastle.asn1.cms.Attributes in project keystore-explorer by kaikramer.

the class OpenSslPvkUtil method getEncryptionType.

/**
 * Detect if a OpenSSL private key is encrypted or not.
 *
 * @param is
 *            Input stream containing OpenSSL private key
 * @return Encryption type or null if not a valid OpenSSL private key
 * @throws IOException
 *             If an I/O problem occurred
 */
public static EncryptionType getEncryptionType(InputStream is) throws IOException {
    byte[] openSsl = ReadUtil.readFully(is);
    // In PEM format?
    PemInfo pemInfo = PemUtil.decode(new ByteArrayInputStream(openSsl));
    if (pemInfo != null) {
        String pemType = pemInfo.getType();
        // PEM type of OpenSSL?
        if (OPENSSL_RSA_PVK_PEM_TYPE.equals(pemType) || OPENSSL_DSA_PVK_PEM_TYPE.equals(pemType) || OPENSSL_EC_PVK_PEM_TYPE.equals(pemType)) {
            // Encrypted? It is if PEM contains appropriate header attributes/values
            PemAttributes pemAttributes = pemInfo.getAttributes();
            if ((pemAttributes != null) && (pemAttributes.get(PROC_TYPE_ATTR_NAME) != null) && (pemAttributes.get(PROC_TYPE_ATTR_NAME).getValue().equals(PROC_TYPE_ATTR_VALUE)) && (pemAttributes.get(DEK_INFO_ATTR_NAME) != null)) {
                return ENCRYPTED;
            } else {
                return UNENCRYPTED;
            }
        }
    }
    // In ASN.1 format?
    try {
        // If OpenSSL will be a sequence of 9 (RSA) or 6 (DSA) integers or 2-4 mixed elements (EC)
        ASN1Primitive key = ASN1Primitive.fromByteArray(openSsl);
        if (key instanceof ASN1Sequence) {
            ASN1Sequence seq = (ASN1Sequence) key;
            // }
            if ((seq.size() >= 2) && (seq.size() <= 4) && seq.getObjectAt(0) instanceof ASN1Integer) {
                BigInteger version = ((ASN1Integer) seq.getObjectAt(0)).getValue();
                if (version.equals(VERSION_EC)) {
                    if (seq.getObjectAt(1) instanceof ASN1OctetString) {
                        // ASN.1 OpenSSL is always unencrypted
                        return UNENCRYPTED;
                    } else {
                        // Not OpenSSL
                        return null;
                    }
                }
            }
            for (int i = 0; i < seq.size(); i++) {
                if (!(seq.getObjectAt(i) instanceof ASN1Integer)) {
                    // Not OpenSSL
                    return null;
                }
            }
            if ((seq.size() == 9) || (seq.size() == 6)) {
                // ASN.1 OpenSSL is always unencrypted
                return UNENCRYPTED;
            }
        }
    } catch (IOException ex) {
        // Not an OpenSSL file
        return null;
    }
    // Not an OpenSSL file
    return null;
}

Example 17 with Attributes

use of org.bouncycastle.asn1.cms.Attributes in project keystore-explorer by kaikramer.

the class Pkcs8Util method getEncryptionType.

/**
 * Detect if a PKCS #8 private key is encrypted or not.
 *
 * @param is
 *            Input stream containing PKCS #8 private key
 * @return Encryption type or null if not a valid PKCS #8 private key
 * @throws IOException
 *             If an I/O problem occurred
 */
public static EncryptionType getEncryptionType(InputStream is) throws IOException {
    byte[] pkcs8 = ReadUtil.readFully(is);
    PemInfo pemInfo = PemUtil.decode(new ByteArrayInputStream(pkcs8));
    // PEM encoded?
    if (pemInfo != null) {
        String pemType = pemInfo.getType();
        // Encrypted in pem format?
        if (pemType.equals(Pkcs8Util.PKCS8_ENC_PVK_PEM_TYPE)) {
            return ENCRYPTED;
        } else // Unencrypted in pem format?
        if (pemType.equals(Pkcs8Util.PKCS8_UNENC_PVK_PEM_TYPE)) {
            return UNENCRYPTED;
        }
    }
    // In ASN.1 format?
    try {
        // Read in an ASN.1 and check structure against the following
        ASN1Primitive key = ASN1Primitive.fromByteArray(pkcs8);
        if (key instanceof ASN1Sequence) {
            ASN1Sequence sequence = (ASN1Sequence) key;
            // May be unencrypted
            if ((sequence.size() == 3) || (sequence.size() == 4)) {
                // @formatter:off
                /*
					 * Unencrypted PKCS #8 Private Key:
					 *
					 * PrivateKeyInfo ::= ASN1Sequence { version Version,
					 * privateKeyAlgorithm PrivateKeyAlgorithmIdentifier,
					 * privateKey PrivateKey, attributes [0] IMPLICIT Attributes
					 * OPTIONAL }
					 *
					 * Version ::= ASN1Integer PrivateKeyAlgorithmIdentifier ::=
					 * AlgorithmIdentifier PrivateKey ::= OCTET STRING
					 * Attributes ::= SET OF Attribute
					 */
                // @formatter:on
                Object obj1 = sequence.getObjectAt(0);
                Object obj2 = sequence.getObjectAt(1);
                Object obj3 = sequence.getObjectAt(2);
                if (!(obj1 instanceof ASN1Integer)) {
                    return null;
                }
                ASN1Integer version = (ASN1Integer) obj1;
                if (!version.getValue().equals(BigInteger.ZERO)) {
                    return null;
                }
                if (!(obj2 instanceof ASN1Sequence)) {
                    return null;
                }
                if (!sequenceIsAlgorithmIdentifier((ASN1Sequence) obj2)) {
                    return null;
                }
                if (!(obj3 instanceof ASN1OctetString)) {
                    return null;
                }
                return UNENCRYPTED;
            } else // May be encrypted
            if (sequence.size() == 2) {
                // @formatter:off
                /*
					 * Encrypted PKCS #8 Private Key:
					 *
					 * EncryptedPrivateKeyInfo ::= ASN1Sequence {
					 * encryptionAlgorithm EncryptionAlgorithmIdentifier,
					 * encryptedData EncryptedData }
					 *
					 * EncryptionAlgorithmIdentifier ::= AlgorithmIdentifier
					 * EncryptedData ::= OCTET STRING
					 */
                // @formatter:on
                Object obj1 = sequence.getObjectAt(0);
                Object obj2 = sequence.getObjectAt(1);
                if (!(obj1 instanceof ASN1Sequence)) {
                    return null;
                }
                if (!sequenceIsAlgorithmIdentifier((ASN1Sequence) obj1)) {
                    return null;
                }
                if (!(obj2 instanceof ASN1OctetString)) {
                    return null;
                }
                return ENCRYPTED;
            }
        }
    } catch (Exception ex) {
        // Structure not as expected for PKCS #8
        return null;
    }
    return null;
}

Example 18 with Attributes

use of org.bouncycastle.asn1.cms.Attributes in project xipki by xipki.

the class ScepUtil method generateRequest.

public static PKCS10CertificationRequest generateRequest(PrivateKey privatekey, SubjectPublicKeyInfo subjectPublicKeyInfo, X500Name subjectDn, String challengePassword, List<Extension> extensions) throws OperatorCreationException {
    requireNonNull("privatekey", privatekey);
    requireNonNull("subjectPublicKeyInfo", subjectPublicKeyInfo);
    requireNonNull("subjectDn", subjectDn);
    Map<ASN1ObjectIdentifier, ASN1Encodable> attributes = new HashMap<ASN1ObjectIdentifier, ASN1Encodable>();
    if (challengePassword != null && !challengePassword.isEmpty()) {
        DERPrintableString asn1Pwd = new DERPrintableString(challengePassword);
        attributes.put(PKCSObjectIdentifiers.pkcs_9_at_challengePassword, asn1Pwd);
    }
    if (extensions != null && !extensions.isEmpty()) {
        Extensions asn1Extensions = new Extensions(extensions.toArray(new Extension[0]));
        attributes.put(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, asn1Extensions);
    }
    return generateRequest(privatekey, subjectPublicKeyInfo, subjectDn, attributes);
}

Example 19 with Attributes

use of org.bouncycastle.asn1.cms.Attributes in project keystore-explorer by kaikramer.

the class DViewCsr method extensionsPressed.

private void extensionsPressed() {
    // extract sequence with extensions from csr
    Attribute[] attributes = pkcs10Csr.getAttributes(pkcs_9_at_extensionRequest);
    X509ExtensionSet x509ExtensionSet = new X509ExtensionSet();
    if ((attributes != null) && (attributes.length > 0)) {
        ASN1Encodable[] attributeValues = attributes[0].getAttributeValues();
        if (attributeValues.length > 0) {
            ASN1Sequence asn1Sequence = ASN1Sequence.getInstance(attributeValues[0]);
            x509ExtensionSet = new X509ExtensionSet(asn1Sequence);
        }
    }
    DViewExtensions dViewExtensions = new DViewExtensions(this, res.getString("DViewCertificate.Extensions.Title"), x509ExtensionSet);
    dViewExtensions.setLocationRelativeTo(this);
    dViewExtensions.setVisible(true);
}

Example 20 with Attributes

use of org.bouncycastle.asn1.cms.Attributes in project keystore-explorer by kaikramer.

the class DialogHelper method populatePkcs10UnstructuredName.

/**
 * Populates a JTextField with PKCS#10/#9 unstructuredName
 *
 * @param attributes
 *              Attributes from CSR
 * @param textField
 *              Text field to be populated with the unstructuredName
 */
public static void populatePkcs10UnstructuredName(Attribute[] attributes, JTextField textField) {
    ASN1ObjectIdentifier pkcs9UnstructureName = PKCSObjectIdentifiers.pkcs_9_at_unstructuredName;
    populateTextField(attributes, textField, pkcs9UnstructureName);
}