diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/jdk.crypto.ucrypto/solaris/native/libj2ucrypto/nativeCryptoMD.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.crypto.ucrypto/solaris/native/libj2ucrypto/nativeCryptoMD.c	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,213 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <jni.h>
+#include "jni_util.h"
+#include "nativeCrypto.h"
+#include "nativeFunc.h"
+
+
+extern void throwOutOfMemoryError(JNIEnv *env, const char *msg);
+extern jbyte* getBytes(JNIEnv *env, jbyteArray bytes, int offset, int len);
+
+///////////////////////////////////////////////////////
+// SPECIAL ENTRIES FOR JVM JNI-BYPASSING OPTIMIZATION
+////////////////////////////////////////////////////////
+jlong JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeInit(jint mech) {
+  void *pContext = NULL;
+
+  switch (mech) {
+  case com_oracle_security_ucrypto_NativeDigestMD_MECH_SHA1:
+    pContext = malloc(sizeof(SHA1_CTX));
+    if (pContext != NULL) {
+      (*ftab->sha1Init)((SHA1_CTX *)pContext);
+    }
+    break;
+  case com_oracle_security_ucrypto_NativeDigestMD_MECH_MD5:
+    pContext = malloc(sizeof(MD5_CTX));
+    if (pContext != NULL) {
+      (*ftab->md5Init)((MD5_CTX *)pContext);
+    }
+    break;
+  case com_oracle_security_ucrypto_NativeDigestMD_MECH_SHA256:
+    pContext = malloc(sizeof(SHA2_CTX));
+    if (pContext != NULL) {
+      (*ftab->sha2Init)(SHA256, (SHA2_CTX *)pContext);
+    }
+    break;
+  case com_oracle_security_ucrypto_NativeDigestMD_MECH_SHA384:
+    pContext = malloc(sizeof(SHA2_CTX));
+    if (pContext != NULL) {
+      (*ftab->sha2Init)(SHA384, (SHA2_CTX *)pContext);
+    }
+    break;
+  case com_oracle_security_ucrypto_NativeDigestMD_MECH_SHA512:
+    pContext = malloc(sizeof(SHA2_CTX));
+    if (pContext != NULL) {
+      (*ftab->sha2Init)(SHA512, (SHA2_CTX *)pContext);
+    }
+    break;
+  default:
+    if (J2UC_DEBUG) printf("ERROR: Unsupported mech %i\n", mech);
+  }
+  return (jlong) pContext;
+}
+
+jint JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeUpdate
+  (jint mech, jlong pContext, int notUsed, unsigned char* in, jint ofs, jint len) {
+  if (mech == com_oracle_security_ucrypto_NativeDigestMD_MECH_SHA1) {
+    (*ftab->sha1Update)((SHA1_CTX*)pContext, (unsigned char*)(in+ofs), len);
+  } else if (mech == com_oracle_security_ucrypto_NativeDigestMD_MECH_MD5) {
+    (*ftab->md5Update)((MD5_CTX*)pContext, (unsigned char*)(in+ofs), len);
+  } else { // SHA-2 family
+    (*ftab->sha2Update)((SHA2_CTX*)pContext, (unsigned char*)(in+ofs), len);
+  }
+  return 0;
+}
+
+// Do digest and free the context immediately
+jint JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeDigest
+  (jint mech, jlong pContext, int notUsed, unsigned char* out, jint ofs, jint digestLen) {
+
+  if (mech == com_oracle_security_ucrypto_NativeDigestMD_MECH_SHA1) {
+    (*ftab->sha1Final)((unsigned char*)(out + ofs), (SHA1_CTX *)pContext);
+    free((SHA1_CTX *)pContext);
+  } else if (mech == com_oracle_security_ucrypto_NativeDigestMD_MECH_MD5) {
+    (*ftab->md5Final)((unsigned char*)(out + ofs), (MD5_CTX *)pContext);
+    free((MD5_CTX *)pContext);
+  } else { // SHA-2 family
+    (*ftab->sha2Final)((unsigned char*)(out + ofs), (SHA2_CTX *)pContext);
+    free((SHA2_CTX *)pContext);
+  }
+  return 0;
+}
+
+jlong JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeClone
+  (jint mech, jlong pContext) {
+  void *copy = NULL;
+  size_t len = 0;
+
+  if (mech == com_oracle_security_ucrypto_NativeDigestMD_MECH_SHA1) {
+    len = sizeof(SHA1_CTX);
+  } else if (mech == com_oracle_security_ucrypto_NativeDigestMD_MECH_MD5) {
+    len = sizeof(MD5_CTX);
+  } else { // SHA-2 family
+    len = sizeof(SHA2_CTX);
+  }
+  copy = malloc(len);
+  if (copy != NULL) {
+    bcopy((void *)pContext, copy, len);
+  }
+  return (jlong) copy;
+}
+
+void JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeFree
+  (jint mech, jlong pContext) {
+  if (mech == com_oracle_security_ucrypto_NativeDigestMD_MECH_SHA1) {
+    free((SHA1_CTX*) pContext);
+  } else if (mech == com_oracle_security_ucrypto_NativeDigestMD_MECH_MD5) {
+    free((MD5_CTX*) pContext);
+  } else { // SHA-2 family
+    free((SHA2_CTX*) pContext);
+  }
+}
+
+
+/*
+ * Class:     com_oracle_security_ucrypto_NativeDigestMD
+ * Method:    nativeInit
+ * Signature: (I)J
+ */
+JNIEXPORT jlong JNICALL Java_com_oracle_security_ucrypto_NativeDigestMD_nativeInit
+  (JNIEnv *env, jclass jcls, jint mech) {
+  jlong result = JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeInit(mech);
+  if (result == NULL) {
+     throwOutOfMemoryError(env, NULL);
+  }
+  return result;
+}
+
+/*
+ * Class:     com_oracle_security_ucrypto_NativeDigestMD
+ * Method:    nativeUpdate
+ * Signature: (IJ[BII)I
+ */
+JNIEXPORT jint JNICALL Java_com_oracle_security_ucrypto_NativeDigestMD_nativeUpdate
+  (JNIEnv *env, jclass jcls, jint mech, jlong pContext, jbyteArray jIn, jint jOfs, jint jLen) {
+  unsigned char *bufIn;
+
+  bufIn = (unsigned char *) getBytes(env, jIn, jOfs, jLen);
+  if (!(*env)->ExceptionCheck(env)) {
+    JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeUpdate(mech, pContext, jLen, bufIn, 0, jLen);
+    free(bufIn);
+  }
+  return 0;
+}
+
+/*
+ * Class:     com_oracle_security_ucrypto_NativeDigestMD
+ * Method:    nativeDigest
+ * Signature: (IJ[BII)I
+ */
+JNIEXPORT jint JNICALL Java_com_oracle_security_ucrypto_NativeDigestMD_nativeDigest
+  (JNIEnv *env, jclass jcls, jint mech, jlong pContext, jbyteArray jOut, jint jOutOfs, jint digestLen) {
+  unsigned char *bufOut;
+
+  bufOut = (unsigned char *) malloc(digestLen);
+  if (bufOut == NULL) {
+    throwOutOfMemoryError(env, NULL);
+    return 0;
+  }
+
+  JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeDigest(mech, pContext, digestLen, bufOut, 0, digestLen);
+
+  (*env)->SetByteArrayRegion(env, jOut, jOutOfs, digestLen, (jbyte *) bufOut);
+  free(bufOut);
+  return 0;
+}
+
+/*
+ * Class:     com_oracle_security_ucrypto_NativeDigestMD
+ * Method:    nativeClone
+ * Signature: (IJ)J
+ */
+JNIEXPORT jlong JNICALL Java_com_oracle_security_ucrypto_NativeDigestMD_nativeClone
+  (JNIEnv *env, jclass jcls, jint mech, jlong pContext) {
+  return JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeClone(mech, pContext);
+}
+
+/*
+ * Class:     com_oracle_security_ucrypto_NativeDigestMD
+ * Method:    nativeFree
+ * Signature: (IJ)V
+ */
+JNIEXPORT void JNICALL Java_com_oracle_security_ucrypto_NativeDigestMD_nativeFree
+  (JNIEnv *env, jclass jcls, jint mech, jlong pContext) {
+  JavaCritical_com_oracle_security_ucrypto_NativeDigestMD_nativeFree(mech, pContext);
+}
+