1 files changed, 68 insertions, 0 deletions
diff --git a/src/cz/crcs/ectester/standalone/consts/KeyAgreementIdent.java b/src/cz/crcs/ectester/standalone/consts/KeyAgreementIdent.java
new file mode 100644
index 0000000..0e4d311
--- /dev/null
+++ b/src/cz/crcs/ectester/standalone/consts/KeyAgreementIdent.java
@@ -0,0 +1,68 @@
+package cz.crcs.ectester.standalone.consts;
+
+import javax.crypto.KeyAgreement;
+import java.security.NoSuchAlgorithmException;
+import java.security.Provider;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * @author Jan Jancar johny@neuromancer.sk
+ */
+public class KeyAgreementIdent extends Ident {
+    private static final List<KeyAgreementIdent> ALL = new LinkedList<>();
+
+    static {
+        //https://docs.oracle.com/javase/8/docs/technotes/guides/security/StandardNames.html
+        // Basic ECDH and ECDHC (plain/raw)
+        ALL.add(new KeyAgreementIdent("ECDH"));
+        ALL.add(new KeyAgreementIdent("ECDHC", "ECCDH"));
+        // ECDH and ECDHC with SHA as KDF, OIDs from RFC 3278
+        ALL.add(new KeyAgreementIdent("ECDHwithSHA1KDF", "1.3.133.16.840.63.0.2"));
+        ALL.add(new KeyAgreementIdent("ECCDHwithSHA1KDF", "1.3.133.16.840.63.0.3"));
+        ALL.add(new KeyAgreementIdent("ECDHwithSHA224KDF", "1.3.132.1.11.0"));
+        ALL.add(new KeyAgreementIdent("ECCDHwithSHA224KDF", "1.3.132.1.14.0"));
+        ALL.add(new KeyAgreementIdent("ECDHwithSHA256KDF", "1.3.132.1.11.1"));
+        ALL.add(new KeyAgreementIdent("ECCDHwithSHA256KDF", "1.3.132.1.14.1"));
+        ALL.add(new KeyAgreementIdent("ECDHwithSHA384KDF", "1.3.132.1.11.2"));
+        ALL.add(new KeyAgreementIdent("ECCDHwithSHA384KDF", "1.3.132.1.14.2"));
+        ALL.add(new KeyAgreementIdent("ECDHwithSHA512KDF", "1.3.132.1.11.3"));
+        ALL.add(new KeyAgreementIdent("ECCDHwithSHA512KDF", "1.3.132.1.14.3"));
+        // ECMQV - Disable for now as it needs diferent params(too different from DH)
+        //ALL.add(new KeyAgreementIdent("ECMQV"));
+        //ALL.add(new KeyAgreementIdent("ECMQVwithSHA1CKDF", "1.3.133.16.840.63.0.16"));
+        //ALL.add(new KeyAgreementIdent("ECMQVwithSHA224CKDF", "1.3.132.1.15.0"));
+        //ALL.add(new KeyAgreementIdent("ECMQVwithSHA256CKDF", "1.3.132.1.15.1"));
+        //ALL.add(new KeyAgreementIdent("ECMQVwithSHA384CKDF", "1.3.132.1.15.2"));
+        //ALL.add(new KeyAgreementIdent("ECMQVwithSHA512CKDF", "1.3.132.1.15.3"));
+        // ECVKO - Disable for now as it needs diferent params(too different from DH)
+        //ALL.add(new KeyAgreementIdent("ECVKO", "ECGOST3410", "1.2.643.2.2.19", "GOST-3410-2001", "1.2.643.2.2.96"));
+        //ALL.add(new KeyAgreementIdent("ECVKO256", "ECGOST3410-2012-256", "1.2.643.7.1.1.6.1", "1.2.643.7.1.1.1.1"));
+        //ALL.add(new KeyAgreementIdent("ECVKO512", "ECGOST3410-2012-512", "1.2.643.7.1.1.6.2", "1.2.643.7.1.1.1.2"));
+    }
+
+    public static KeyAgreementIdent get(String ident) {
+        for (KeyAgreementIdent ka : ALL) {
+            if (ka.getIdents().contains(ident)) {
+                return ka;
+            }
+        }
+        return null;
+    }
+
+    private KeyAgreementIdent(String name, String... aliases) {
+        super(name, aliases);
+    }
+
+    public KeyAgreement getInstance(Provider provider) throws NoSuchAlgorithmException {
+        KeyAgreement instance = getInstance((algorithm, provider1) -> {
+            try {
+                return KeyAgreement.getInstance(algorithm, provider1);
+            } catch (NoSuchAlgorithmException e) {
+                return null;
+            }
+        }, provider);
+        instance.getProvider();
+        return instance;
+    }
+}