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JNI: add SHA-224 to com.wolfssl.wolfcrypt.Sha224 class

pull/104/head
Chris Conlon 2025-02-27 12:01:10 -07:00
parent 713451196d
commit bcbc411bb1
6 changed files with 824 additions and 0 deletions
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75
jni/include/com_wolfssl_wolfcrypt_Sha224.h 100644
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@ -0,0 +1,75 @@
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class com_wolfssl_wolfcrypt_Sha224 */
#ifndef _Included_com_wolfssl_wolfcrypt_Sha224
#define _Included_com_wolfssl_wolfcrypt_Sha224
#ifdef __cplusplus
extern "C" {
#endif
#undef com_wolfssl_wolfcrypt_Sha224_NULL
#define com_wolfssl_wolfcrypt_Sha224_NULL 0LL
#undef com_wolfssl_wolfcrypt_Sha224_TYPE
#define com_wolfssl_wolfcrypt_Sha224_TYPE 5L
#undef com_wolfssl_wolfcrypt_Sha224_DIGEST_SIZE
#define com_wolfssl_wolfcrypt_Sha224_DIGEST_SIZE 28L
/*
* Class: com_wolfssl_wolfcrypt_Sha224
* Method: mallocNativeStruct_internal
* Signature: ()J
*/
JNIEXPORT jlong JNICALL Java_com_wolfssl_wolfcrypt_Sha224_mallocNativeStruct_1internal
(JNIEnv *, jobject);
/*
* Class: com_wolfssl_wolfcrypt_Sha224
* Method: native_init_internal
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1init_1internal
(JNIEnv *, jobject);
/*
* Class: com_wolfssl_wolfcrypt_Sha224
* Method: native_copy_internal
* Signature: (Lcom/wolfssl/wolfcrypt/Sha224;)V
*/
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1copy_1internal
(JNIEnv *, jobject, jobject);
/*
* Class: com_wolfssl_wolfcrypt_Sha224
* Method: native_update_internal
* Signature: (Ljava/nio/ByteBuffer;II)V
*/
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1update_1internal__Ljava_nio_ByteBuffer_2II
(JNIEnv *, jobject, jobject, jint, jint);
/*
* Class: com_wolfssl_wolfcrypt_Sha224
* Method: native_update_internal
* Signature: ([BII)V
*/
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1update_1internal___3BII
(JNIEnv *, jobject, jbyteArray, jint, jint);
/*
* Class: com_wolfssl_wolfcrypt_Sha224
* Method: native_final_internal
* Signature: (Ljava/nio/ByteBuffer;I)V
*/
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1final_1internal__Ljava_nio_ByteBuffer_2I
(JNIEnv *, jobject, jobject, jint);
/*
* Class: com_wolfssl_wolfcrypt_Sha224
* Method: native_final_internal
* Signature: ([B)V
*/
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1final_1internal___3B
(JNIEnv *, jobject, jbyteArray);
#ifdef __cplusplus
}
#endif
#endif

264
jni/jni_sha.c
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@ -32,6 +32,10 @@
#include <wolfssl/wolfcrypt/sha512.h>
#include <com_wolfssl_wolfcrypt_Sha.h>
#include <com_wolfssl_wolfcrypt_Sha224.h>
#include <com_wolfssl_wolfcrypt_Sha256.h>
#include <com_wolfssl_wolfcrypt_Sha384.h>
#include <com_wolfssl_wolfcrypt_Sha512.h>
#include <wolfcrypt_jni_NativeStruct.h>
#include <wolfcrypt_jni_error.h>
@ -45,6 +49,12 @@
#define SHA_DIGEST_SIZE WC_SHA_DIGEST_SIZE
#define SHA_PAD_SIZE WC_SHA_PAD_SIZE
#endif
#ifndef NO_SHA224
#define Sha224 wc_Sha224
#define SHA224_BLOCK_SIZE WC_SHA224_BLOCK_SIZE
#define SHA224_DIGEST_SIZE WC_SHA224_DIGEST_SIZE
#define SHA224_PAD_SIZE WC_SHA224_PAD_SIZE
#endif
#ifndef NO_SHA256
#define Sha256 wc_Sha256
#define SHA256_BLOCK_SIZE WC_SHA256_BLOCK_SIZE
@ -90,6 +100,32 @@ Java_com_wolfssl_wolfcrypt_Sha_mallocNativeStruct_1internal(
#endif
}
JNIEXPORT jlong JNICALL Java_com_wolfssl_wolfcrypt_Sha224_mallocNativeStruct_1internal
(JNIEnv* env, jobject this)
{
#ifdef WOLFSSL_SHA224
Sha224* sha = NULL;
sha = (Sha224*) XMALLOC(sizeof(Sha224), NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (sha == NULL) {
throwOutOfMemoryException(env, "Failed to allocate Sha224 object");
}
else {
XMEMSET(sha, 0, sizeof(Sha224));
}
LogStr("new Sha224() = %p\n", sha);
return (jlong)(uintptr_t)sha;
#else
(void)env;
(void)this;
throwNotCompiledInException(env);
return (jlong)0;
#endif
}
JNIEXPORT jlong JNICALL
Java_com_wolfssl_wolfcrypt_Sha256_mallocNativeStruct_1internal(
JNIEnv* env, jobject this)
@ -946,3 +982,231 @@ Java_com_wolfssl_wolfcrypt_Sha512_native_1final_1internal___3B(
#endif
}
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1init_1internal
(JNIEnv* env, jobject this)
{
#ifdef WOLFSSL_SHA224
int ret = 0;
Sha224* sha = (Sha224*) getNativeStruct(env, this);
if ((*env)->ExceptionOccurred(env)) {
/* getNativeStruct may throw exception, prevent throwing another */
return;
}
if (sha == NULL) {
ret = BAD_FUNC_ARG;
}
else {
ret = wc_InitSha224(sha);
}
if (ret != 0) {
throwWolfCryptExceptionFromError(env, ret);
}
#else
(void)env;
(void)this;
throwNotCompiledInException(env);
#endif
}
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1copy_1internal
(JNIEnv* env, jobject this, jobject toBeCopied)
{
#ifdef WOLFSSL_SHA224
int ret = 0;
Sha224* sha = NULL;
Sha224* tbc = NULL; /* tbc = to be copied */
if (this == NULL || toBeCopied == NULL) {
throwWolfCryptExceptionFromError(env, BAD_FUNC_ARG);
return;
}
sha = (Sha224*) getNativeStruct(env, this);
if ((*env)->ExceptionOccurred(env)) {
/* getNativeStruct may throw exception, prevent throwing another */
return;
}
tbc = (Sha224*) getNativeStruct(env, toBeCopied);
if ((*env)->ExceptionOccurred(env)) {
/* getNativeStruct may throw exception, prevent throwing another */
return;
}
ret = wc_Sha224Copy(tbc, sha);
if (ret != 0) {
throwWolfCryptExceptionFromError(env, ret);
}
#else
(void)env;
(void)this;
throwNotCompiledInException(env);
#endif
}
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1update_1internal__Ljava_nio_ByteBuffer_2II
(JNIEnv* env, jobject this, jobject data_buffer, jint position, jint len)
{
#ifdef WOLFSSL_SHA224
int ret = 0;
Sha224* sha = NULL;
byte* data = NULL;
sha = (Sha224*) getNativeStruct(env, this);
if ((*env)->ExceptionOccurred(env)) {
/* getNativeStruct may throw exception, prevent throwing another */
return;
}
data = getDirectBufferAddress(env, data_buffer);
if (sha == NULL || data == NULL) {
ret = BAD_FUNC_ARG;
}
else {
ret = wc_Sha224Update(sha, data + position, len);
}
if (ret != 0) {
throwWolfCryptExceptionFromError(env, ret);
}
LogStr("wc_Sha224Update(sha=%p, data, len) = %d\n", sha, ret);
LogStr("data[%u]: [%p]\n", (word32)len, data);
LogHex(data, 0, len);
#else
(void)env;
(void)this;
(void)data_buffer;
(void)position;
(void)len;
throwNotCompiledInException(env);
#endif
}
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1update_1internal___3BII
(JNIEnv* env, jobject this, jbyteArray data_buffer, jint offset, jint len)
{
#ifdef WOLFSSL_SHA224
int ret = 0;
Sha224* sha = NULL;
byte* data = NULL;
word32 dataSz = 0;
sha = (Sha224*) getNativeStruct(env, this);
if ((*env)->ExceptionOccurred(env)) {
/* getNativeStruct may throw exception, prevent throwing another */
return;
}
data = getByteArray(env, data_buffer);
dataSz = getByteArrayLength(env, data_buffer);
if (sha == NULL || data == NULL ||
(word32)(offset + len) > dataSz) {
ret = BAD_FUNC_ARG;
}
else {
ret = wc_Sha224Update(sha, data + offset, len);
}
if (ret != 0) {
throwWolfCryptExceptionFromError(env, ret);
}
LogStr("wc_Sha224Update(sha=%p, data, len) = %d\n", sha, ret);
LogStr("data[%u]: [%p]\n", (word32)len, data + offset);
LogHex(data, offset, len);
releaseByteArray(env, data_buffer, data, JNI_ABORT);
#else
(void)env;
(void)this;
(void)data_buffer;
(void)offset;
(void)len;
throwNotCompiledInException(env);
#endif
}
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1final_1internal__Ljava_nio_ByteBuffer_2I
(JNIEnv* env, jobject this, jobject hash_buffer, jint position)
{
#ifdef WOLFSSL_SHA224
int ret = 0;
Sha224* sha = NULL;
byte* hash = NULL;
sha = (Sha224*) getNativeStruct(env, this);
if ((*env)->ExceptionOccurred(env)) {
/* getNativeStruct may throw exception, prevent throwing another */
return;
}
hash = getDirectBufferAddress(env, hash_buffer);
if (sha == NULL || hash == NULL) {
ret = BAD_FUNC_ARG;
}
else {
ret = wc_Sha224Final(sha, hash + position);
}
if (ret != 0) {
throwWolfCryptExceptionFromError(env, ret);
}
LogStr("wc_Sha224Final(sha=%p, hash) = %d\n", sha, ret);
LogStr("hash[%u]: [%p]\n", (word32)SHA224_DIGEST_SIZE, hash);
LogHex(hash, 0, SHA224_DIGEST_SIZE);
#else
(void)env;
(void)this;
(void)hash_buffer;
(void)position;
throwNotCompiledInException(env);
#endif
}
JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Sha224_native_1final_1internal___3B
(JNIEnv* env, jobject this, jbyteArray hash_buffer)
{
#ifdef WOLFSSL_SHA224
int ret = 0;
Sha224* sha = NULL;
byte* hash = NULL;
sha = (Sha224*) getNativeStruct(env, this);
if ((*env)->ExceptionOccurred(env)) {
/* getNativeStruct may throw exception, prevent throwing another */
return;
}
hash = getByteArray(env, hash_buffer);
if (sha == NULL || hash == NULL) {
ret = BAD_FUNC_ARG;
}
else {
ret = wc_Sha224Final(sha, hash);
}
if (ret != 0) {
throwWolfCryptExceptionFromError(env, ret);
}
LogStr("wc_Sha224Final(sha=%p, hash) = %d\n", sha, ret);
LogStr("hash[%u]: [%p]\n", (word32)SHA224_DIGEST_SIZE, hash);
LogHex(hash, 0, SHA224_DIGEST_SIZE);
releaseByteArray(env, hash_buffer, hash, ret);
#else
(void)env;
(void)this;
(void)hash_buffer;
throwNotCompiledInException(env);
#endif
}

1
scripts/infer.sh
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@ -53,6 +53,7 @@ infer --fail-on-issue run -- javac \
src/main/java/com/wolfssl/wolfcrypt/Rng.java \
src/main/java/com/wolfssl/wolfcrypt/Rsa.java \
src/main/java/com/wolfssl/wolfcrypt/Sha.java \
src/main/java/com/wolfssl/wolfcrypt/Sha224.java \
src/main/java/com/wolfssl/wolfcrypt/Sha256.java \
src/main/java/com/wolfssl/wolfcrypt/Sha384.java \
src/main/java/com/wolfssl/wolfcrypt/Sha512.java \

239
src/main/java/com/wolfssl/wolfcrypt/Sha224.java 100644
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@ -0,0 +1,239 @@
/* Sha224.java
*
* Copyright (C) 2006-2025 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
package com.wolfssl.wolfcrypt;
import java.nio.ByteBuffer;
/**
* Wrapper for the native WolfCrypt SHA2-224 implementation
*/
public class Sha224 extends MessageDigest implements Cloneable {
/** SHA2-224 hash type */
public static final int TYPE = 5; /* hash type unique */
/** SHA2-224 digest size */
public static final int DIGEST_SIZE = 28;
/** Array to init Sha224 with, will be reset to null once initialized */
private byte[] initialData = null;
/* native JNI methods, internally reach back and grab/use pointer
* from NativeStruct.java. We wrap calls to these below in order to
* synchronize access to native pointer between threads */
private native long mallocNativeStruct_internal() throws OutOfMemoryError;
private native void native_init_internal();
private native void native_copy_internal(Sha224 toBeCopied);
private native void native_update_internal(ByteBuffer data, int offset,
int len);
private native void native_update_internal(byte[] data, int offset,
int len);
private native void native_final_internal(ByteBuffer hash, int offset);
private native void native_final_internal(byte[] hash);
/**
* Malloc native JNI Sha224 structure
*
* @return native allocated pointer
*
* @throws OutOfMemoryError when malloc fails with memory error
*/
protected long mallocNativeStruct()
throws OutOfMemoryError {
synchronized (pointerLock) {
return mallocNativeStruct_internal();
}
}
/**
* Initialize Sha224 object
*
* @throws WolfCryptException if native operation fails
*/
protected void native_init()
throws WolfCryptException {
synchronized (pointerLock) {
native_init_internal();
/* Check if we need to init with passed in data */
if (this.initialData != null) {
update(this.initialData);
this.initialData = null;
}
}
}
/**
* Copy existing native WC_SHA224 struct (Sha224 object) into this one.
* Copies structure state using wc_Sha224Copy().
*
* @param toBeCopied initialized Sha224 object to be copied.
*
* @throws WolfCryptException if native operation fails
*/
protected void native_copy(Sha224 toBeCopied)
throws WolfCryptException {
synchronized (pointerLock) {
native_copy_internal(toBeCopied);
}
}
/**
* Native SHA2-224 update
*
* @param data input data
* @param offset offset into input data
* @param len length of input data
*
* @throws WolfCryptException if native operation fails
*/
protected void native_update(ByteBuffer data, int offset, int len)
throws WolfCryptException {
synchronized (pointerLock) {
native_update_internal(data, offset, len);
}
}
/**
* Native SHA2-224 update
*
* @param data input data
* @param offset offset into input data
* @param len length of input data
*
* @throws WolfCryptException if native operation fails
*/
protected void native_update(byte[] data, int offset, int len)
throws WolfCryptException {
synchronized (pointerLock) {
native_update_internal(data, offset, len);
}
}
/**
* Native SHA2-224 final, calculate final digest
*
* @param hash output buffer to place digest
* @param offset offset into output buffer to write digest
*
* @throws WolfCryptException if native operation fails
*/
protected void native_final(ByteBuffer hash, int offset)
throws WolfCryptException {
synchronized (pointerLock) {
native_final_internal(hash, offset);
}
}
/**
* Native SHA2-224 final, calculate final digest
*
* @param hash output buffer to place digest
*
* @throws WolfCryptException if native operation fails
*/
protected void native_final(byte[] hash)
throws WolfCryptException {
synchronized (pointerLock) {
native_final_internal(hash);
}
}
/**
* Create new SHA2-224 object.
*
* @throws WolfCryptException if SHA-224 has not been compiled into native
* wolfCrypt library.
*/
public Sha224() {
if (!FeatureDetect.Sha224Enabled()) {
throw new WolfCryptException(
WolfCryptError.NOT_COMPILED_IN.getCode());
}
/* Internal state is initialized on first use */
}
/**
* Create new SHA2-224 object by making a copy of the one given.
*
* @param sha224 Initialized/created Sha224 object to be copied
*
* @throws WolfCryptException to indicate this constructor has been
* deprecated, along with instructions on what API to call
*
* @deprecated This constructor has been deprecated to avoid storage
* of a second Sha224 object inside this Sha224 object, and to
* avoid potential incomplete object creation issues between
* subclass/superclasses. Please refactor existing code to
* call Sha224.clone() to get a copy of an existing Sha224
* object.
*/
@Deprecated
public Sha224(Sha224 sha224) {
throw new WolfCryptException(
"Constructor deprecated, use Sha224.clone() to duplicate " +
"Sha224 object");
}
/**
* Create new SHA2-224 object.
*
* @param data input data to hash
*
* @throws WolfCryptException if SHA-224 has not been compiled into native
* wolfCrypt library.
*/
public Sha224(byte[] data) {
if (!FeatureDetect.Sha224Enabled()) {
throw new WolfCryptException(
WolfCryptError.NOT_COMPILED_IN.getCode());
}
/* Internal state is initialized on first use */
this.initialData = data.clone();
}
/**
* Get SHA2-224 digest size
*
* @return SHA2-224 digest size
*/
public int digestSize() {
return DIGEST_SIZE;
}
@Override
public Object clone() {
Sha224 shaCopy = new Sha224();
/* Initialize NativeStruct, since is done on first use */
shaCopy.checkStateAndInitialize();
shaCopy.native_copy(this);
return shaCopy;
}
}

244
src/test/java/com/wolfssl/wolfcrypt/test/Sha224Test.java 100644
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@ -0,0 +1,244 @@
/* Sha224Test.java
*
* Copyright (C) 2006-2025 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
package com.wolfssl.wolfcrypt.test;
import static org.junit.Assert.*;
import java.nio.ByteBuffer;
import java.util.Random;
import java.util.Arrays;
import java.util.Iterator;
import java.util.concurrent.Executors;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.LinkedBlockingQueue;
import javax.crypto.ShortBufferException;
import org.junit.Test;
import org.junit.Assume;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.rules.TestRule;
import org.junit.rules.TestWatcher;
import org.junit.runner.Description;
import com.wolfssl.wolfcrypt.Sha224;
import com.wolfssl.wolfcrypt.NativeStruct;
import com.wolfssl.wolfcrypt.WolfCryptException;
import com.wolfssl.wolfcrypt.WolfCryptError;
public class Sha224Test {
private ByteBuffer data = ByteBuffer.allocateDirect(64);
private ByteBuffer result = ByteBuffer.allocateDirect(Sha224.DIGEST_SIZE);
private ByteBuffer expected = ByteBuffer.allocateDirect(Sha224.DIGEST_SIZE);
static String[] dataVector = new String[] {
"",
"abc",
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
};
static String[] hashVector = new String[] {
"d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f",
"23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
"75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525"
};
@Rule(order = Integer.MIN_VALUE)
public TestRule testWatcher = new TestWatcher() {
protected void starting(Description desc) {
System.out.println("\t" + desc.getMethodName());
}
};
@BeforeClass
public static void checkSha224IsAvailable() {
try {
Sha224 sha = new Sha224();
System.out.println("JNI Sha224 Class");
} catch (WolfCryptException e) {
if (e.getError() == WolfCryptError.NOT_COMPILED_IN) {
System.out.println("Sha224Test skipped: " + e.getError());
Assume.assumeTrue(false);
}
}
}
@Test
public void constructorShouldNotInitializeNativeStruct() {
assertEquals(NativeStruct.NULL, new Sha224().getNativeStruct());
}
@Test
public void hashShouldMatchUsingByteBuffer() throws ShortBufferException {
for (int i = 0; i < dataVector.length; i++) {
Sha224 sha = new Sha224();
byte[] input = dataVector[i].getBytes();
data.put(input).rewind();
expected.put(Util.h2b(hashVector[i])).rewind();
sha.update(data, input.length);
sha.digest(result);
data.rewind();
result.rewind();
assertEquals(expected, result);
}
}
@Test
public void hashShouldMatchUsingByteArray() {
for (int i = 0; i < dataVector.length; i++) {
Sha224 sha = new Sha224();
byte[] data = dataVector[i].getBytes();
byte[] expected = Util.h2b(hashVector[i]);
sha.update(data);
byte[] result = sha.digest();
assertArrayEquals(expected, result);
}
}
@Test
public void releaseAndReInitObject() {
Sha224 sha = new Sha224();
byte[] data = dataVector[0].getBytes();
byte[] expected = Util.h2b(hashVector[0]);
byte[] result = null;
sha.update(data);
result = sha.digest();
assertArrayEquals(expected, result);
sha.releaseNativeStruct();
/* test re-initializing object */
sha = new Sha224();
result = null;
sha.update(data);
result = sha.digest();
sha.releaseNativeStruct();
}
@Test
public void reuseObject() {
Sha224 sha = new Sha224();
byte[] data = dataVector[0].getBytes();
byte[] data2 = dataVector[1].getBytes();
byte[] expected = Util.h2b(hashVector[0]);
byte[] expected2 = Util.h2b(hashVector[1]);
byte[] result = null;
byte[] result2 = null;
sha.update(data);
result = sha.digest();
assertArrayEquals(expected, result);
/* test reusing existing object after a call to digest() */
sha.update(data2);
result2 = sha.digest();
assertArrayEquals(expected2, result2);
sha.releaseNativeStruct();
}
@Test
public void copyObject() {
Sha224 sha = null;
Sha224 shaCopy = null;
byte[] data = dataVector[0].getBytes();
byte[] expected = Util.h2b(hashVector[0]);
byte[] result = null;
byte[] result2 = null;
sha = new Sha224();
sha.update(data);
/* test making copy of Sha224, should retain same state */
shaCopy = (Sha224)sha.clone();
result = sha.digest();
result2 = shaCopy.digest();
assertArrayEquals(expected, result);
assertArrayEquals(expected, result2);
sha.releaseNativeStruct();
shaCopy.releaseNativeStruct();
}
@Test
public void threadedHashTest() throws InterruptedException {
int numThreads = 100;
ExecutorService service = Executors.newFixedThreadPool(numThreads);
final CountDownLatch latch = new CountDownLatch(numThreads);
final LinkedBlockingQueue<byte[]> results = new LinkedBlockingQueue<>();
final byte[] rand10kBuf = new byte[10240];
/* fill large input buffer with random bytes */
new Random().nextBytes(rand10kBuf);
/* generate hash over input data concurrently across numThreads */
for (int i = 0; i < numThreads; i++) {
service.submit(new Runnable() {
@Override public void run() {
Sha224 sha = new Sha224();
/* process/update in 1024-byte chunks */
for (int j = 0; j < rand10kBuf.length; j+= 1024) {
sha.update(rand10kBuf, j, 1024);
}
/* get final hash */
byte[] hash = sha.digest();
results.add(hash.clone());
sha.releaseNativeStruct();
latch.countDown();
}
});
}
/* wait for all threads to complete */
latch.await();
/* compare all digests, all should be the same across threads */
Iterator<byte[]> listIterator = results.iterator();
byte[] current = listIterator.next();
while (listIterator.hasNext()) {
byte[] next = listIterator.next();
if (!Arrays.equals(current, next)) {
fail("Found two non-identical digests in thread test");
}
if (listIterator.hasNext()) {
current = listIterator.next();
}
}
}
}

1
src/test/java/com/wolfssl/wolfcrypt/test/WolfCryptTestSuite.java
View File

@ -33,6 +33,7 @@ import org.junit.runners.Suite.SuiteClasses;
ChachaTest.class,
Md5Test.class,
ShaTest.class,
Sha224Test.class,
Sha256Test.class,
Sha384Test.class,
Sha512Test.class,