1 files changed, 110 insertions, 0 deletions
diff --git a/android_bcprov/src/main/java/com/android/org/bouncycastle/crypto/digests/AndroidDigestFactory.java b/android_bcprov/src/main/java/com/android/org/bouncycastle/crypto/digests/AndroidDigestFactory.java
new file mode 100644
index 00000000..436a2147
--- /dev/null
+++ b/android_bcprov/src/main/java/com/android/org/bouncycastle/crypto/digests/AndroidDigestFactory.java
@@ -0,0 +1,110 @@
+/* GENERATED SOURCE. DO NOT MODIFY. */
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.org.bouncycastle.crypto.digests;
+
+import java.security.Security;
+import java.util.Locale;
+
+import com.android.org.bouncycastle.crypto.Digest;
+
+/**
+ * Level of indirection to let us select OpenSSLDigest implementations
+ * for libcore but fallback to BouncyCastle ones on the RI.
+ */
+public final class AndroidDigestFactory {
+    private static final AndroidDigestFactoryInterface CONSCRYPT;
+    private static final AndroidDigestFactoryInterface BC;
+
+    static {
+        BC = new AndroidDigestFactoryBouncyCastle();
+        if (Security.getProvider("AndroidOpenSSL") != null) {
+            CONSCRYPT = new AndroidDigestFactoryOpenSSL();
+        } else {
+            if (System.getProperty("java.vendor", "").toLowerCase(Locale.US).contains("android")) {
+                throw new AssertionError("Provider AndroidOpenSSL must exist");
+            }
+            CONSCRYPT = null;
+        }
+    }
+
+    public static Digest getMD5() {
+        if (CONSCRYPT != null) {
+            try {
+                return CONSCRYPT.getMD5();
+            } catch (Exception ignored) {
+            }
+        }
+
+        return BC.getMD5();
+    }
+
+    public static Digest getSHA1() {
+        if (CONSCRYPT != null) {
+            try {
+                return CONSCRYPT.getSHA1();
+            } catch (Exception ignored) {
+            }
+        }
+
+        return BC.getSHA1();
+    }
+
+    public static Digest getSHA224() {
+        if (CONSCRYPT != null) {
+            try {
+                return CONSCRYPT.getSHA224();
+            } catch (Exception ignored) {
+            }
+        }
+
+        return BC.getSHA224();
+    }
+
+    public static Digest getSHA256() {
+        if (CONSCRYPT != null) {
+            try {
+                return CONSCRYPT.getSHA256();
+            } catch (Exception ignored) {
+            }
+        }
+
+        return BC.getSHA256();
+    }
+
+    public static Digest getSHA384() {
+        if (CONSCRYPT != null) {
+            try {
+                return CONSCRYPT.getSHA384();
+            } catch (Exception ignored) {
+            }
+        }
+
+        return BC.getSHA384();
+    }
+
+    public static Digest getSHA512() {
+        if (CONSCRYPT != null) {
+            try {
+                return CONSCRYPT.getSHA512();
+            } catch (Exception ignored) {
+            }
+        }
+
+        return BC.getSHA512();
+    }
+}