1 files changed, 128 insertions, 0 deletions
diff --git a/prov/src/main/jdk1.4/org/spongycastle/jcajce/provider/asymmetric/ecgost/KeyFactorySpi.java b/prov/src/main/jdk1.4/org/spongycastle/jcajce/provider/asymmetric/ecgost/KeyFactorySpi.java
new file mode 100644
index 00000000..36847af2
--- /dev/null
+++ b/prov/src/main/jdk1.4/org/spongycastle/jcajce/provider/asymmetric/ecgost/KeyFactorySpi.java
@@ -0,0 +1,128 @@
+package org.spongycastle.jcajce.provider.asymmetric.ecgost;
+
+import java.io.IOException;
+import java.security.InvalidKeyException;
+import java.security.Key;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.KeySpec;
+
+import org.spongycastle.asn1.ASN1ObjectIdentifier;
+import org.spongycastle.asn1.cryptopro.CryptoProObjectIdentifiers;
+import org.spongycastle.asn1.pkcs.PrivateKeyInfo;
+import org.spongycastle.asn1.x509.SubjectPublicKeyInfo;
+import org.spongycastle.jcajce.provider.asymmetric.util.BaseKeyFactorySpi;
+import org.spongycastle.jce.interfaces.ECPrivateKey;
+import org.spongycastle.jce.interfaces.ECPublicKey;
+import org.spongycastle.jce.provider.BouncyCastleProvider;
+import org.spongycastle.jce.spec.ECParameterSpec;
+import org.spongycastle.jce.spec.ECPrivateKeySpec;
+import org.spongycastle.jce.spec.ECPublicKeySpec;
+
+public class KeyFactorySpi
+    extends BaseKeyFactorySpi
+{
+    public KeyFactorySpi()
+    {
+    }
+
+    protected KeySpec engineGetKeySpec(
+        Key key,
+        Class spec)
+        throws InvalidKeySpecException
+    {
+       if (spec.isAssignableFrom(org.spongycastle.jce.spec.ECPublicKeySpec.class) && key instanceof ECPublicKey)
+       {
+           ECPublicKey k = (ECPublicKey)key;
+           if (k.getParams() != null)
+           {
+               return new org.spongycastle.jce.spec.ECPublicKeySpec(k.getQ(), k.getParameters());
+           }
+           else
+           {
+               ECParameterSpec implicitSpec = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();
+
+               return new org.spongycastle.jce.spec.ECPublicKeySpec(k.getQ(), implicitSpec);
+           }
+       }
+       else if (spec.isAssignableFrom(org.spongycastle.jce.spec.ECPrivateKeySpec.class) && key instanceof ECPrivateKey)
+       {
+           ECPrivateKey k = (ECPrivateKey)key;
+
+           if (k.getParams() != null)
+           {
+               return new org.spongycastle.jce.spec.ECPrivateKeySpec(k.getD(), k.getParameters());
+           }
+           else
+           {
+               ECParameterSpec implicitSpec = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa();
+
+               return new org.spongycastle.jce.spec.ECPrivateKeySpec(k.getD(), implicitSpec);
+           }
+       }
+
+       return super.engineGetKeySpec(key, spec);
+    }
+
+    protected Key engineTranslateKey(
+        Key key)
+        throws InvalidKeyException
+    {
+        throw new InvalidKeyException("key type unknown");
+    }
+
+    protected PrivateKey engineGeneratePrivate(
+        KeySpec keySpec)
+        throws InvalidKeySpecException
+    {
+        if (keySpec instanceof ECPrivateKeySpec)
+        {
+            return new BCECGOST3410PrivateKey((ECPrivateKeySpec)keySpec);
+        }
+
+        return super.engineGeneratePrivate(keySpec);
+    }
+
+    protected PublicKey engineGeneratePublic(
+        KeySpec keySpec)
+        throws InvalidKeySpecException
+    {
+        if (keySpec instanceof ECPublicKeySpec)
+        {
+            return new BCECGOST3410PublicKey((ECPublicKeySpec)keySpec);
+        }
+
+        return super.engineGeneratePublic(keySpec);
+    }
+
+    public PrivateKey generatePrivate(PrivateKeyInfo keyInfo)
+        throws IOException
+    {
+        ASN1ObjectIdentifier algOid = keyInfo.getPrivateKeyAlgorithm().getAlgorithm();
+
+        if (algOid.equals(CryptoProObjectIdentifiers.gostR3410_2001))
+        {
+            return new BCECGOST3410PrivateKey(keyInfo);
+        }
+        else
+        {
+            throw new IOException("algorithm identifier " + algOid + " in key not recognised");
+        }
+    }
+
+    public PublicKey generatePublic(SubjectPublicKeyInfo keyInfo)
+        throws IOException
+    {
+        ASN1ObjectIdentifier algOid = keyInfo.getAlgorithm().getAlgorithm();
+
+        if (algOid.equals(CryptoProObjectIdentifiers.gostR3410_2001))
+        {
+            return new BCECGOST3410PublicKey(keyInfo);
+        }
+        else
+        {
+            throw new IOException("algorithm identifier " + algOid + " in key not recognised");
+        }
+    }
+}