Update latest version references to 1.2.0.

PiperOrigin-RevId: 208072286
GitOrigin-RevId: 2b9e5331d243821ba4a2500732bb7655a1e33bf5
diff --git a/README.md b/README.md
index 29b94de..683b748 100644
--- a/README.md
+++ b/README.md
@@ -84,8 +84,8 @@
 *   [Java and Android](docs/JAVA-HOWTO.md),
     [C++](docs/CPP-HOWTO.md) and [Obj-C](docs/OBJC-HOWTO.md)
     are field tested and ready for production. The latest version is
-    [1.2.0-rc4](https://github.com/google/tink/releases/tag/v1.2.0-rc4),
-    released on 2018-07-31.
+    [1.2.0](https://github.com/google/tink/releases/tag/v1.2.0),
+    released on 2018-08-09.
 
 *   Tink for Go and JavaScript are in active development.
 
diff --git a/apps/paymentmethodtoken/README.md b/apps/paymentmethodtoken/README.md
index d08f09d..a719f4e 100644
--- a/apps/paymentmethodtoken/README.md
+++ b/apps/paymentmethodtoken/README.md
@@ -3,9 +3,9 @@
 ## Latest release
 
 The most recent release is
-[1.2.0-rc4](https://github.com/google/tink/releases/tag/v1.2.0-rc4), released
-2018-07-31. API docs can be found
-[here](https://google.github.com/tink/javadoc/apps-paymentmethodtoken/1.2.0-rc4).
+[1.2.0](https://github.com/google/tink/releases/tag/v1.2.0), released
+2018-08-09. API docs can be found
+[here](https://google.github.com/tink/javadoc/apps-paymentmethodtoken/1.2.0).
 
 The Maven group ID is `com.google.crypto.tink`, and the artifact ID is
 `apps-paymentmethodtoken`.
@@ -16,7 +16,7 @@
 <dependency>
   <groupId>com.google.crypto.tink</groupId>
   <artifactId>apps-paymentmethodtoken</artifactId>
-  <version>1.2.0-rc4</version>
+  <version>1.2.0</version>
 </dependency>
 ```
 
diff --git a/apps/webpush/README.md b/apps/webpush/README.md
index 2000979..9eb28c7 100644
--- a/apps/webpush/README.md
+++ b/apps/webpush/README.md
@@ -11,7 +11,7 @@
 <dependency>
   <groupId>com.google.crypto.tink</groupId>
   <artifactId>apps-webpush</artifactId>
-  <version>1.2.0-rc4</version>
+  <version>1.2.0</version>
 </dependency>
 ```
 
@@ -19,7 +19,7 @@
 
 ```
 dependencies {
-  compile 'com.google.crypto.tink:apps-webpush:1.2.0-rc4'
+  compile 'com.google.crypto.tink:apps-webpush:1.2.0'
 }
 ```
 
diff --git a/docs/JAVA-HOWTO.md b/docs/JAVA-HOWTO.md
index 6e93bb7..d947ff8 100644
--- a/docs/JAVA-HOWTO.md
+++ b/docs/JAVA-HOWTO.md
@@ -16,8 +16,8 @@
 `com.google.crypto.tink`, and the artifact ID is `tink`.
 
 The most recent release is
-[1.2.0-rc4](https://github.com/google/tink/releases/tag/v1.2.0-rc4), released
-2018-07-31.
+[1.2.0](https://github.com/google/tink/releases/tag/v1.2.0), released
+2018-08-09.
 
 Java developers can add Tink using Maven:
 
@@ -25,7 +25,7 @@
 <dependency>
   <groupId>com.google.crypto.tink</groupId>
   <artifactId>tink</artifactId>
-  <version>1.2.0-rc4</version>
+  <version>1.2.0</version>
 </dependency>
 ```
 
@@ -33,7 +33,7 @@
 
 ```
 dependencies {
-  compile 'com.google.crypto.tink:tink-android:1.2.0-rc4'
+  compile 'com.google.crypto.tink:tink-android:1.2.0'
 }
 ```
 
@@ -82,10 +82,10 @@
 ## API docs
 
 *   Java:
-    *   [1.2.0-rc4](https://google.github.com/tink/javadoc/tink/1.2.0-rc4)
+    *   [1.2.0](https://google.github.com/tink/javadoc/tink/1.2.0)
     *   [HEAD-SNAPSHOT](https://google.github.com/tink/javadoc/tink/HEAD-SNAPSHOT)
 *   Android:
-    *   [1.2.0-rc4](https://google.github.com/tink/javadoc/tink-android/1.2.0-rc4)
+    *   [1.2.0](https://google.github.com/tink/javadoc/tink-android/1.2.0)
     *   [HEAD-SNAPSHOT](https://google.github.com/tink/javadoc/tink-android/HEAD-SNAPSHOT)
 
 ## Important Warnings
diff --git a/objc/CHANGELOG b/objc/CHANGELOG
index 8e93545..37ccd5a 100644
--- a/objc/CHANGELOG
+++ b/objc/CHANGELOG
@@ -1,3 +1,7 @@
+Version 1.2.0
+==================================
+Added support for IEEE P1363 signature encoding.
+
 Version 1.2.0-rc4
 ==================================
 Added API to retrieve keyset handle with public keys only.