diff options
Diffstat (limited to 'src/main/java/org/uic/barcode/utils/SecurityUtils.java')
| -rw-r--r-- | src/main/java/org/uic/barcode/utils/SecurityUtils.java | 57 |
1 files changed, 46 insertions, 11 deletions
diff --git a/src/main/java/org/uic/barcode/utils/SecurityUtils.java b/src/main/java/org/uic/barcode/utils/SecurityUtils.java index af1a65a..1fcc18a 100644 --- a/src/main/java/org/uic/barcode/utils/SecurityUtils.java +++ b/src/main/java/org/uic/barcode/utils/SecurityUtils.java @@ -11,22 +11,30 @@ import java.security.spec.InvalidKeySpecException; import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
+/**
+ * The Class SecurityUtils.
+ */
public class SecurityUtils {
- public static KeyFactory findKeyFactory(String oid, byte[] keyBytes) {
+ /**
+ * Find provider by public key.
+ *
+ * @param algorithmOid the algorithm oid used to generate the key
+ * @param keyBytes the encoded bytes of the public key
+ * @return the provider
+ */
+ public static Provider findPublicKeyProvider(String keyAlgorithmOid, byte[] keyBytes) {
+
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(keyBytes);
- String name = null;
+ String name;
try {
- name = AlgorithmNameResolver.getName(AlgorithmNameResolver.TYPE_KEY_GENERATOR_ALG, oid);
+ name = AlgorithmNameResolver.getAlgorithmName(AlgorithmNameResolver.TYPE_KEY_GENERATOR_ALG, keyAlgorithmOid, null);
} catch (Exception e2) {
return null;
}
- if (name == null || name.length() == 0) {
- return null;
- }
-
+
KeyFactory keyFactory = null;
Provider[] provs = Security.getProviders();
@@ -39,17 +47,23 @@ public class SecurityUtils { if (keyFactory != null) {
try {
keyFactory.generatePublic(keySpec);
- return keyFactory;
+ return provider;
} catch (Exception e) {
+ provider = null;
//try next
}
}
}
- return null;
-
+
+ return null;
}
-
+ /**
+ * Find private key provider.
+ *
+ * @param key the private key
+ * @return the provider
+ */
public static Provider findPrivateKeyProvider(PrivateKey key) {
String name = key.getAlgorithm();
@@ -84,6 +98,13 @@ public class SecurityUtils { + /**
+ * Convert.
+ *
+ * @param key the key
+ * @param provider the provider
+ * @return the public key
+ */
public static PublicKey convert(PublicKey key, Provider provider) {
PublicKey publicKey;
@@ -108,6 +129,13 @@ public class SecurityUtils { }
+ /**
+ * Convert.
+ *
+ * @param key the key
+ * @param provider the provider
+ * @return the private key
+ */
public static PrivateKey convert(PrivateKey key, Provider provider) {
PrivateKey privateKey;
@@ -131,6 +159,13 @@ public class SecurityUtils { }
+ /**
+ * Find signature provider.
+ *
+ * @param encoded the encoded
+ * @param oid the oid
+ * @return the provider
+ */
public static Provider findSignatureProvider(byte[] encoded, String oid) {
KeyFactory keyFactory = null;
|