Merge pull request #103 from cconlon/sha3

Add SHA-3 support to `MessageDigest`, `Mac`, and `Signature` services

Author: JacobBarthelmeh

README_JCE.md

@@ -92,6 +92,10 @@ The JCE provider currently supports the following algorithms:
         SHA-256
         SHA-384
         SHA-512
+        SHA3-224
+        SHA3-256
+        SHA3-384
+        SHA3-512
 
     SecureRandom Class
         DEFAULT (maps to HashDRBG)
@@ -112,6 +116,10 @@ The JCE provider currently supports the following algorithms:
         HmacSHA256
         HmacSHA384
         HmacSHA512
+        HmacSHA3-224
+        HmacSHA3-256
+        HmacSHA3-384
+        HmacSHA3-512
 
     Signature Class
         MD5withRSA
@@ -120,11 +128,19 @@ The JCE provider currently supports the following algorithms:
         SHA256withRSA
         SHA384withRSA
         SHA512withRSA
+        SHA3-224withRSA
+        SHA3-256withRSA
+        SHA3-384withRSA
+        SHA3-512withRSA
         SHA1withECDSA
         SHA224withECDSA
         SHA256withECDSA
         SHA384withECDSA
         SHA512withECDSA
+        SHA3-224withECDSA
+        SHA3-256withECDSA
+        SHA3-384withECDSA
+        SHA3-512withECDSA
 
     KeyAgreement Class
         DiffieHellman

jni/include/com_wolfssl_wolfcrypt_FeatureDetect.h

@@ -100,6 +100,18 @@ JNIEXPORT jboolean JNICALL Java_com_wolfssl_wolfcrypt_FeatureDetect_Sha512Enable
 #endif
 }
 
+JNIEXPORT jboolean JNICALL Java_com_wolfssl_wolfcrypt_FeatureDetect_Sha3Enabled
+  (JNIEnv* env, jclass jcl)
+{
+    (void)env;
+    (void)jcl;
+#ifdef WOLFSSL_SHA3
+    return JNI_TRUE;
+#else
+    return JNI_FALSE;
+#endif
+}
+
 JNIEXPORT jboolean JNICALL Java_com_wolfssl_wolfcrypt_FeatureDetect_AesEnabled
   (JNIEnv* env, jclass jcl)
 {