From e670f1fdbc43f0d0854896a1afe2815f8a9f4c87 Mon Sep 17 00:00:00 2001 From: CGantert345 <57003061+CGantert345@users.noreply.github.com> Date: Mon, 11 Apr 2022 15:06:48 +0200 Subject: fixing DOSIPAS algorithm names and supported EC curves --- .../uic/barcode/utils/AlgorithmNameResolver.java | 187 ++++++++++++++------- .../java/org/uic/barcode/utils/SecurityUtils.java | 129 ++++++++++++++ 2 files changed, 254 insertions(+), 62 deletions(-) create mode 100644 src/main/java/org/uic/barcode/utils/SecurityUtils.java (limited to 'src/main/java/org/uic/barcode/utils') diff --git a/src/main/java/org/uic/barcode/utils/AlgorithmNameResolver.java b/src/main/java/org/uic/barcode/utils/AlgorithmNameResolver.java index a3154f3..28f90e6 100644 --- a/src/main/java/org/uic/barcode/utils/AlgorithmNameResolver.java +++ b/src/main/java/org/uic/barcode/utils/AlgorithmNameResolver.java @@ -3,98 +3,161 @@ package org.uic.barcode.utils; import java.security.Provider; import java.security.Provider.Service; import java.security.Security; +import java.util.HashMap; +/** + * The Class AlgorithmNameResolver. + */ public class AlgorithmNameResolver { + /** The Constant TYPE_KEY_GENERATOR_ALG. */ public static final String TYPE_KEY_GENERATOR_ALG = "KeyPairGenerator"; + + /** The Constant TYPE_SIGNATURE_ALG. */ public static final String TYPE_SIGNATURE_ALG = "Signature"; + /** The map. */ + private static HashMap> map = new HashMap>(); + + /** + * Adds an entry for a mapping of algorithm type and oid to an algorithm name + * + * @param type the algorithm type + * @param oid the algorithm OID + * @param name the algorithm name + */ + public static void addMap (String type, String oid, String name) { + + if (map.get(type) == null) { + HashMap list = new HashMap(); + list.put(oid, name); + map.put(type, list); + } else { + map.get(type).put(oid, name); + } + } + + /** + * Gets the signature algorithm name. + * + * @param oid the oid + * @return the signature algorithm name + * @throws Exception the exception + */ public static String getSignatureAlgorithmName (String oid) throws Exception { - Provider[] provs = Security.getProviders(); - for (Provider prov : provs) { - Service service = prov.getService(AlgorithmNameResolver.TYPE_SIGNATURE_ALG,oid); - if (service != null) { - return service.getAlgorithm(); - } - } - return null; + return getSignatureAlgorithmName (oid, null); } + /** + * Gets the signature algorithm name. + * + * @param oid the oid + * @param provider the provider + * @return the signature algorithm name + * @throws Exception the exception + */ public static String getSignatureAlgorithmName (String oid, Provider provider) throws Exception { + return getAlgorithmName(AlgorithmNameResolver.TYPE_SIGNATURE_ALG,oid,provider); + + } + + /** + * Gets the name. + * + * @param type the type + * @param oid the oid + * @return the name + * @throws Exception the exception + */ + public static String getName (String type, String oid) throws Exception { + + return getAlgorithmName(type,oid,null); + + } + + + /** + * Gets the name. + * + * @param type the type + * @param oid the oid + * @param provider the provider + * @return the name + * @throws Exception the exception + */ + public static String getName(String type, String oid, Provider provider) throws Exception { + + return getAlgorithmName(type,oid,provider); + + } + + + + /** + * Gets the algorithm name. + * + * @param type the type + * @param oid the oid + * @param provider the provider + * @return the algorithm name + * @throws Exception the exception + */ + public static String getAlgorithmName (String type, String oid, Provider provider) throws Exception { + + String name = null; + if (provider != null) { - Service service = provider.getService(AlgorithmNameResolver.TYPE_SIGNATURE_ALG,oid); - return service.getAlgorithm(); + Service service = provider.getService(type,oid); + if (service != null) { + name = service.getAlgorithm(); + } + + if (name != null && name.length() > 0) { + return name; + } } Provider[] provs = Security.getProviders(); for (Provider prov : provs) { - Service service = prov.getService(AlgorithmNameResolver.TYPE_SIGNATURE_ALG,oid); + Service service = prov.getService(type,oid); if (service != null) { - return service.getAlgorithm(); + name = service.getAlgorithm(); + } + if (name != null && name.length() > 0) { + return name; } } - return null; - - } - - - public static String getName (String type, String oid) throws Exception { - - Provider[] provs = Security.getProviders(); - for (Provider prov : provs) { - Service service = prov.getService(type,oid); - if (service != null) { - return service.getAlgorithm(); - } - } - - if (oid.startsWith("1.2.840.10045")) { + + if (map.get(type) != null) { + if (map.get(type).get(oid) != null) { + return map.get(type).get(oid); + } + } + + + //fallback if the provider did not implement OIDs + if (oid.startsWith("1.2.840.10045.4")) { return "ECDSA"; - } else if (oid.startsWith("1.2.840.10040")) { - return "DSA"; - } - - return null; - - } - - - public static String getName(String type, String oid, Provider provider) throws Exception { - - Service service = null; - if (provider == null) { - - Provider[] provs = Security.getProviders(); - for (Provider prov : provs) { - service = prov.getService(type,oid); - } - - } else { - service = provider.getService(type,oid); - } - - - - if (service != null) { - return service.getAlgorithm(); - } - - if (oid.startsWith("1.2.840.10045")) { + } else if (oid.startsWith("1.2.840.10045.3")) { + return "EC"; + } else if (oid.startsWith("1.2.840.10045")) { return "ECDSA"; } else if (oid.startsWith("1.2.840.10040")) { return "DSA"; } - - return null; - - } + + return null; + + } + + diff --git a/src/main/java/org/uic/barcode/utils/SecurityUtils.java b/src/main/java/org/uic/barcode/utils/SecurityUtils.java new file mode 100644 index 0000000..542208b --- /dev/null +++ b/src/main/java/org/uic/barcode/utils/SecurityUtils.java @@ -0,0 +1,129 @@ +package org.uic.barcode.utils; + +import java.security.KeyFactory; +import java.security.NoSuchAlgorithmException; +import java.security.PrivateKey; +import java.security.Provider; +import java.security.PublicKey; +import java.security.Security; +import java.security.spec.InvalidKeySpecException; +import java.security.spec.PKCS8EncodedKeySpec; +import java.security.spec.X509EncodedKeySpec; + +public class SecurityUtils { + + public static KeyFactory findKeyFactory(String oid, byte[] keyBytes) { + + X509EncodedKeySpec keySpec = new X509EncodedKeySpec(keyBytes); + + String name = null; + try { + name = AlgorithmNameResolver.getName(AlgorithmNameResolver.TYPE_KEY_GENERATOR_ALG, oid); + } catch (Exception e2) { + return null; + } + if (name == null || name.length() == 0) { + return null; + } + + KeyFactory keyFactory = null; + + Provider[] provs = Security.getProviders(); + for (Provider provider : provs) { + try { + keyFactory = KeyFactory.getInstance(name,provider); + } catch (NoSuchAlgorithmException e1) { + //try next + } + if (keyFactory != null) { + try { + keyFactory.generatePublic(keySpec); + return keyFactory; + } catch (Exception e) { + //try next + } + } + } + return null; + + } + + + public static Provider findPrivateKeyProvider(PrivateKey key) { + + String name = key.getAlgorithm(); + byte[] keyBytes = key.getEncoded(); + + + PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(keyBytes); + + + KeyFactory keyFactory = null; + + Provider[] provs = Security.getProviders(); + for (Provider provider : provs) { + try { + keyFactory = KeyFactory.getInstance(name,provider); + } catch (NoSuchAlgorithmException e1) { + //try next + } + if (keyFactory != null) { + try { + keyFactory.generatePrivate(keySpec); + return provider; + } catch (Exception e) { + provider = null; + //try next + } + } + } + + return null; + } + + + + public static PublicKey convertPublicKey(PublicKey key) { + + + PublicKey publicKey; + try { + publicKey = KeyFactory.getInstance("RSA").generatePublic(new X509EncodedKeySpec(key.getEncoded())); + } catch (InvalidKeySpecException | NoSuchAlgorithmException e) { + return key; + } + + return publicKey; + + } + + + public static PublicKey convert(PublicKey key, Provider provider) { + + PublicKey publicKey; + try { + publicKey = KeyFactory.getInstance("RSA", provider).generatePublic(new X509EncodedKeySpec(key.getEncoded())); + } catch (InvalidKeySpecException | NoSuchAlgorithmException e) { + return key; + } + + return publicKey; + + + } + + + public static PrivateKey convertPrivateKey(PrivateKey key) { + + + PrivateKey privateKey; + try { + privateKey = KeyFactory.getInstance("RSA").generatePrivate(new PKCS8EncodedKeySpec(key.getEncoded())); + } catch (InvalidKeySpecException | NoSuchAlgorithmException e) { + return key; + } + + return privateKey; + + } +} -- cgit v1.2.3