1 files changed, 109 insertions, 0 deletions
diff --git a/src/main/java/org/whispersystems/libaxolotl/ratchet/BobAxolotlParameters.java b/src/main/java/org/whispersystems/libaxolotl/ratchet/BobAxolotlParameters.java
new file mode 100644
index 00000000..27116a8b
--- /dev/null
+++ b/src/main/java/org/whispersystems/libaxolotl/ratchet/BobAxolotlParameters.java
@@ -0,0 +1,109 @@
+package org.whispersystems.libaxolotl.ratchet;
+
+import org.whispersystems.libaxolotl.IdentityKey;
+import org.whispersystems.libaxolotl.IdentityKeyPair;
+import org.whispersystems.libaxolotl.ecc.ECKeyPair;
+import org.whispersystems.libaxolotl.ecc.ECPublicKey;
+import org.whispersystems.libaxolotl.util.guava.Optional;
+
+public class BobAxolotlParameters {
+
+  private final IdentityKeyPair     ourIdentityKey;
+  private final ECKeyPair           ourSignedPreKey;
+  private final Optional<ECKeyPair> ourOneTimePreKey;
+  private final ECKeyPair           ourRatchetKey;
+
+  private final IdentityKey         theirIdentityKey;
+  private final ECPublicKey         theirBaseKey;
+
+  BobAxolotlParameters(IdentityKeyPair ourIdentityKey, ECKeyPair ourSignedPreKey,
+                       ECKeyPair ourRatchetKey, Optional<ECKeyPair> ourOneTimePreKey,
+                       IdentityKey theirIdentityKey, ECPublicKey theirBaseKey)
+  {
+    this.ourIdentityKey   = ourIdentityKey;
+    this.ourSignedPreKey  = ourSignedPreKey;
+    this.ourRatchetKey    = ourRatchetKey;
+    this.ourOneTimePreKey = ourOneTimePreKey;
+    this.theirIdentityKey = theirIdentityKey;
+    this.theirBaseKey     = theirBaseKey;
+
+    if (ourIdentityKey == null || ourSignedPreKey == null || ourRatchetKey == null ||
+        ourOneTimePreKey == null || theirIdentityKey == null || theirBaseKey == null)
+    {
+      throw new IllegalArgumentException("Null value!");
+    }
+  }
+
+  public IdentityKeyPair getOurIdentityKey() {
+    return ourIdentityKey;
+  }
+
+  public ECKeyPair getOurSignedPreKey() {
+    return ourSignedPreKey;
+  }
+
+  public Optional<ECKeyPair> getOurOneTimePreKey() {
+    return ourOneTimePreKey;
+  }
+
+  public IdentityKey getTheirIdentityKey() {
+    return theirIdentityKey;
+  }
+
+  public ECPublicKey getTheirBaseKey() {
+    return theirBaseKey;
+  }
+
+  public static Builder newBuilder() {
+    return new Builder();
+  }
+
+  public ECKeyPair getOurRatchetKey() {
+    return ourRatchetKey;
+  }
+
+  public static class Builder {
+    private IdentityKeyPair     ourIdentityKey;
+    private ECKeyPair           ourSignedPreKey;
+    private Optional<ECKeyPair> ourOneTimePreKey;
+    private ECKeyPair           ourRatchetKey;
+
+    private IdentityKey         theirIdentityKey;
+    private ECPublicKey         theirBaseKey;
+
+    public Builder setOurIdentityKey(IdentityKeyPair ourIdentityKey) {
+      this.ourIdentityKey = ourIdentityKey;
+      return this;
+    }
+
+    public Builder setOurSignedPreKey(ECKeyPair ourSignedPreKey) {
+      this.ourSignedPreKey = ourSignedPreKey;
+      return this;
+    }
+
+    public Builder setOurOneTimePreKey(Optional<ECKeyPair> ourOneTimePreKey) {
+      this.ourOneTimePreKey = ourOneTimePreKey;
+      return this;
+    }
+
+    public Builder setTheirIdentityKey(IdentityKey theirIdentityKey) {
+      this.theirIdentityKey = theirIdentityKey;
+      return this;
+    }
+
+    public Builder setTheirBaseKey(ECPublicKey theirBaseKey) {
+      this.theirBaseKey = theirBaseKey;
+      return this;
+    }
+
+    public Builder setOurRatchetKey(ECKeyPair ourRatchetKey) {
+      this.ourRatchetKey = ourRatchetKey;
+      return this;
+    }
+
+    public BobAxolotlParameters create() {
+      return new BobAxolotlParameters(ourIdentityKey, ourSignedPreKey, ourRatchetKey,
+                                      ourOneTimePreKey, theirIdentityKey, theirBaseKey);
+    }
+  }
+}