Merge pull request #104 from cconlon/sha224

Add SHA-224 support to `MessageDigest`, `Mac`, `Signature`, `KeyGenerator`

Author: JacobBarthelmeh

README_JCE.md

@@ -88,6 +88,7 @@ The JCE provider currently supports the following algorithms:
     MessageDigest Class
         MD5
         SHA-1
+        SHA-224
         SHA-256
         SHA-384
         SHA-512
@@ -107,17 +108,20 @@ The JCE provider currently supports the following algorithms:
     Mac Class
         HmacMD5
         HmacSHA1
+        HmacSHA224
         HmacSHA256
         HmacSHA384
         HmacSHA512
 
     Signature Class
         MD5withRSA
         SHA1withRSA
+        SHA224withRSA
         SHA256withRSA
         SHA384withRSA
         SHA512withRSA
         SHA1withECDSA
+        SHA224withECDSA
         SHA256withECDSA
         SHA384withECDSA
         SHA512withECDSA
@@ -130,6 +134,7 @@ The JCE provider currently supports the following algorithms:
     KeyGenerator
         AES
         HmacSHA1
+        HmacSHA224
         HmacSHA256
         HmacSHA384
         HmacSHA512

jni/include/com_wolfssl_wolfcrypt_Hmac.h

@@ -46,6 +46,9 @@
     #ifndef NO_SHA
         #define SHA_DIGEST_SIZE WC_SHA_DIGEST_SIZE
     #endif
+    #ifdef WOLFSSL_SHA224
+        #define SHA224_DIGEST_SIZE WC_SHA224_DIGEST_SIZE
+    #endif
     #ifndef NO_SHA256
         #define SHA256_DIGEST_SIZE WC_SHA256_DIGEST_SIZE
     #endif
@@ -61,44 +64,44 @@
 /* copy from cyassl/hmac.c */
 static WC_INLINE int GetHashSizeByType(int type)
 {
-    if (!(type == WC_MD5 || type == WC_SHA || type == WC_SHA256
-            || type == WC_SHA384 || type == WC_SHA512))
+    if (!(type == WC_MD5 || type == WC_SHA || type == WC_SHA224
+            || type == WC_SHA256 || type == WC_SHA384 || type == WC_SHA512)) {
         return BAD_FUNC_ARG;
+    }
 
     switch (type) {
         #ifndef NO_MD5
         case WC_MD5:
             return MD5_DIGEST_SIZE;
-        break;
         #endif
 
         #ifndef NO_SHA
         case WC_SHA:
             return SHA_DIGEST_SIZE;
-        break;
+        #endif
+
+        #ifdef WOLFSSL_SHA224
+        case WC_SHA224:
+            return SHA224_DIGEST_SIZE;
         #endif
 
         #ifndef NO_SHA256
         case WC_SHA256:
             return SHA256_DIGEST_SIZE;
-        break;
         #endif
 
         #if defined(CYASSL_SHA384) || defined(WOLFSSL_SHA384)
         case WC_SHA384:
             return SHA384_DIGEST_SIZE;
-        break;
         #endif
 
         #if defined(CYASSL_SHA512) || defined(WOLFSSL_SHA512)
         case WC_SHA512:
             return SHA512_DIGEST_SIZE;
-        break;
         #endif
 
         default:
             return BAD_FUNC_ARG;
-        break;
     }
 }
 
@@ -355,6 +358,20 @@ Java_com_wolfssl_wolfcrypt_Hmac_getCodeSha(
 #endif
 }
 
+JNIEXPORT jint JNICALL
+Java_com_wolfssl_wolfcrypt_Hmac_getCodeSha224(
+        JNIEnv* env, jobject this)
+{
+#ifdef WOLFSSL_SHA224
+    jint result = WC_SHA224;
+    LogStr("WC_SHA224 = %d\n", result);
+    return result;
+#else
+    /* not compiled in */
+    return (jint) -1;
+#endif
+}
+
 JNIEXPORT jint JNICALL
 Java_com_wolfssl_wolfcrypt_Hmac_getCodeSha256(
         JNIEnv* env, jobject this)