adds aes wrappers
Moisés Guimarães
parent
0c0c2c936e
commit
efc7466c67
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@ -29,6 +29,30 @@ extern "C" {
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JNIEXPORT jlong JNICALL Java_com_wolfssl_wolfcrypt_Aes_mallocNativeStruct
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(JNIEnv *, jobject);
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/*
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* Class: com_wolfssl_wolfcrypt_Aes
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* Method: wc_AesSetKey
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* Signature: ([B[BI)V
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*/
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JNIEXPORT void JNICALL Java_com_wolfssl_wolfcrypt_Aes_wc_1AesSetKey
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(JNIEnv *, jobject, jbyteArray, jbyteArray, jint);
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/*
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* Class: com_wolfssl_wolfcrypt_Aes
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* Method: native_update
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* Signature: (I[BII[BI)I
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*/
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JNIEXPORT jint JNICALL Java_com_wolfssl_wolfcrypt_Aes_native_1update__I_3BII_3BI
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(JNIEnv *, jobject, jint, jbyteArray, jint, jint, jbyteArray, jint);
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/*
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* Class: com_wolfssl_wolfcrypt_Aes
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* Method: native_update
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* Signature: (ILjava/nio/ByteBuffer;IILjava/nio/ByteBuffer;)I
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*/
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JNIEXPORT jint JNICALL Java_com_wolfssl_wolfcrypt_Aes_native_1update__ILjava_nio_ByteBuffer_2IILjava_nio_ByteBuffer_2
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(JNIEnv *, jobject, jint, jobject, jint, jint, jobject);
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#ifdef __cplusplus
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}
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#endif
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117
jni/jni_aes.c
117
jni/jni_aes.c
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@ -25,6 +25,7 @@
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#include <wolfssl/wolfcrypt/aes.h>
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#include <com_wolfssl_wolfcrypt_Aes.h>
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#include <wolfcrypt_jni_NativeStruct.h>
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#include <wolfcrypt_jni_error.h>
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/* #define WOLFCRYPT_JNI_DEBUG_ON */
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@ -35,18 +36,122 @@ JNIEXPORT jlong JNICALL Java_com_wolfssl_wolfcrypt_Aes_mallocNativeStruct(
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{
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jlong ret = 0;
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#ifdef NO_AES
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throwNotCompiledInException(env);
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#else
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#ifndef NO_AES
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ret = (jlong) XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER);
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if (!ret)
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throwOutOfMemoryException(env, "Failed to allocate Aes object");
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LogStr("new Aes() = %p\n", ret);
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LogStr("new Aes() = %p\n", (void*)ret);
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#else
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throwNotCompiledInException(env);
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#endif
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return ret;
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}
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JNIEXPORT void JNICALL
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Java_com_wolfssl_wolfcrypt_Aes_wc_1AesSetKey(
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JNIEnv* env, jobject this, jbyteArray key_object, jbyteArray iv_object,
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jint opmode)
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{
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#ifndef NO_AES
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int ret = 0;
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Aes* aes = (Aes*) getNativeStruct(env, this);
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byte* key = getByteArray(env, key_object);
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byte* iv = getByteArray(env, iv_object);
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word32 keySz = getByteArrayLength(env, key_object);
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ret = wc_AesSetKey(aes, key, keySz, iv, opmode);
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if (ret != 0)
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throwWolfCryptExceptionFromError(env, ret);
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LogStr("wc_AesSetKey(aes=%p, key, iv, opmode) = %d\n", aes, ret);
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#else
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throwNotCompiledInException(env);
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#endif
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}
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JNIEXPORT jint JNICALL
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Java_com_wolfssl_wolfcrypt_Aes_native_1update__I_3BII_3BI(
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JNIEnv* env, jobject this, jint opmode,
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jbyteArray input_object, jint offset, jint length,
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jbyteArray output_object, jint outputOffset)
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{
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#ifndef NO_AES
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int ret = 0;
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Aes* aes = (Aes*) getNativeStruct(env, this);
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byte* input = getByteArray(env, input_object);
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byte* output = getByteArray(env, output_object);
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if (opmode == AES_ENCRYPTION) {
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ret = wc_AesCbcEncrypt(aes, output+outputOffset, input+offset, length);
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LogStr("wc_AesCbcEncrypt(aes=%p, out, in, inSz) = %d\n", aes, ret);
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}
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else {
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ret = wc_AesCbcDecrypt(aes, output+outputOffset, input+offset, length);
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LogStr("wc_AesCbcDecrypt(aes=%p, out, in, inSz) = %d\n", aes, ret);
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}
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releaseByteArray(env, output_object, output, ret);
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if (ret != 0) {
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throwWolfCryptExceptionFromError(env, ret);
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ret = 0; /* 0 bytes stored in output */
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}
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else {
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ret = length;
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}
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LogStr("input[%u]: [%p]\n", (word32)length, input + offset);
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LogHex((byte*) input + offset, length);
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LogStr("output[%u]: [%p]\n", (word32)length, output + outputOffset);
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LogHex((byte*) output + outputOffset, length);
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#else
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throwNotCompiledInException(env);
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#endif
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return ret;
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}
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JNIEXPORT jint JNICALL
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Java_com_wolfssl_wolfcrypt_Aes_native_1update__ILjava_nio_ByteBuffer_2IILjava_nio_ByteBuffer_2(
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JNIEnv* env, jobject this, jint opmode,
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jobject input_object, jint offset, jint length,
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jobject output_object)
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{
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int ret = 0;
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#ifndef NO_AES
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Aes* aes = (Aes*) getNativeStruct(env, this);
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byte* input = getDirectBufferAddress(env, input_object);
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byte* output = getDirectBufferAddress(env, output_object);
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if (opmode == AES_ENCRYPTION) {
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ret = wc_AesCbcEncrypt(aes, output, input + offset, length);
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LogStr("wc_AesCbcEncrypt(aes=%p, out, in, inSz) = %d\n", aes, ret);
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}
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else {
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ret = wc_AesCbcDecrypt(aes, output, input + offset, length);
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LogStr("wc_AesCbcDecrypt(aes=%p, out, in, inSz) = %d\n", aes, ret);
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}
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if (ret != 0) {
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throwWolfCryptExceptionFromError(env, ret);
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ret = 0; /* 0 bytes stored in output */
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}
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else {
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ret = length;
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}
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LogStr("input[%u]: [%p]\n", (word32)length, input + offset);
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LogHex((byte*) input + offset, length);
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LogStr("output[%u]: [%p]\n", (word32)length, output);
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LogHex((byte*) output, length);
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#else
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throwNotCompiledInException(env);
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#endif
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return ret;
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}
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@ -21,11 +21,15 @@
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package com.wolfssl.wolfcrypt;
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import java.nio.ByteBuffer;
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import javax.crypto.ShortBufferException;
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/**
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* Wrapper for the native WolfCrypt Aes implementation.
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*
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* @author Moisés Guimarães
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* @version 1.0, February 2015
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* @version 2.0, March 2017
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*/
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public class Aes extends NativeStruct {
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@ -36,5 +40,83 @@ public class Aes extends NativeStruct {
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public static final int ENCRYPT_MODE = 0;
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public static final int DECRYPT_MODE = 1;
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private WolfCryptState state = WolfCryptState.UNINITIALIZED;
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private int opmode;
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protected native long mallocNativeStruct() throws OutOfMemoryError;
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private native void wc_AesSetKey(byte[] key, byte[] iv, int opmode);
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private native int native_update(int opmode, byte[] input, int offset,
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int length, byte[] output, int outputOffset);
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private native int native_update(int opmode, ByteBuffer plain, int offset,
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int length, ByteBuffer cipher);
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public Aes() {
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}
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public Aes(byte[] key, byte[] iv, int opmode) {
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setKey(key, iv, opmode);
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}
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public void setKey(byte[] key, byte[] iv, int opmode) {
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wc_AesSetKey(key, iv, opmode);
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this.opmode = opmode;
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state = WolfCryptState.READY;
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}
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public byte[] update(byte[] input, int offset, int length) {
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byte[] output;
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if (state == WolfCryptState.READY) {
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output = new byte[input.length];
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native_update(opmode, input, offset, length, output, 0);
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} else {
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throw new IllegalStateException(
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"No available key to perform the opperation.");
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}
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return output;
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}
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public int update(byte[] input, int offset, int length, byte[] output,
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int outputOffset) throws ShortBufferException {
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if (state == WolfCryptState.READY) {
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if (outputOffset + length > output.length)
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throw new ShortBufferException(
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"output buffer is too small to hold the result.");
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return native_update(opmode, input, offset, length, output,
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outputOffset);
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} else {
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throw new IllegalStateException(
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"No available key to perform the opperation.");
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}
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}
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public int update(ByteBuffer input, ByteBuffer output)
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throws ShortBufferException {
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int ret = 0;
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if (state == WolfCryptState.READY) {
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if (output.remaining() < input.remaining())
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throw new ShortBufferException(
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"output buffer is too small to hold the result.");
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ret = native_update(opmode, input, input.position(),
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input.remaining(), output);
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output.position(output.position() + input.remaining());
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input.position(input.position() + input.remaining());
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} else {
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throw new IllegalStateException(
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"No available key to perform the opperation.");
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}
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return ret;
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}
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}
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@ -23,15 +23,224 @@ package com.wolfssl.wolfcrypt;
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import static org.junit.Assert.*;
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import java.nio.ByteBuffer;
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import javax.crypto.ShortBufferException;
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import org.junit.Assume;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import org.junit.internal.runners.statements.Fail;
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import com.wolfssl.wolfcrypt.Aes;
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public class AesTest {
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@BeforeClass
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public static void checkAvailability() {
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try {
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new Aes();
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} catch (WolfCryptException e) {
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if (e.getError() == WolfCryptError.NOT_COMPILED_IN)
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System.out.println("Aes test skipped: " + e.getError());
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Assume.assumeNoException(e);
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}
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}
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@Test
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public void constructorShouldInitializeNativeStruct() {
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assertNotEquals(NativeStruct.NULL, new Aes().getNativeStruct());
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}
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@Test(expected=ShortBufferException.class)
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public void updateShouldMatchUsingByteByffer() throws ShortBufferException {
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String[] keys = new String[] {
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"2b7e151628aed2a6abf7158809cf4f3c",
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"2b7e151628aed2a6abf7158809cf4f3c",
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"2b7e151628aed2a6abf7158809cf4f3c",
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"2b7e151628aed2a6abf7158809cf4f3c",
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"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
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"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
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"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
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"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
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"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
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"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
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"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
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"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4", };
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String[] ivs = new String[] {
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"000102030405060708090A0B0C0D0E0F",
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"7649ABAC8119B246CEE98E9B12E9197D",
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"5086CB9B507219EE95DB113A917678B2",
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"73BED6B8E3C1743B7116E69E22229516",
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"000102030405060708090A0B0C0D0E0F",
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"4F021DB243BC633D7178183A9FA071E8",
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"B4D9ADA9AD7DEDF4E5E738763F69145A",
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"571B242012FB7AE07FA9BAAC3DF102E0",
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"000102030405060708090A0B0C0D0E0F",
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"F58C4C04D6E5F1BA779EABFB5F7BFBD6",
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"9CFC4E967EDB808D679F777BC6702C7D",
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"39F23369A9D9BACFA530E26304231461" };
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String[] inputs = new String[] {
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"6bc1bee22e409f96e93d7e117393172a",
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"ae2d8a571e03ac9c9eb76fac45af8e51",
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"30c81c46a35ce411e5fbc1191a0a52ef",
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"f69f2445df4f9b17ad2b417be66c3710",
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"6bc1bee22e409f96e93d7e117393172a",
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"ae2d8a571e03ac9c9eb76fac45af8e51",
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"30c81c46a35ce411e5fbc1191a0a52ef",
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"f69f2445df4f9b17ad2b417be66c3710",
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"6bc1bee22e409f96e93d7e117393172a",
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"ae2d8a571e03ac9c9eb76fac45af8e51",
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"30c81c46a35ce411e5fbc1191a0a52ef",
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"f69f2445df4f9b17ad2b417be66c3710" };
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String[] outputs = new String[] {
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"7649abac8119b246cee98e9b12e9197d",
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"5086cb9b507219ee95db113a917678b2",
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"73bed6b8e3c1743b7116e69e22229516",
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"3ff1caa1681fac09120eca307586e1a7",
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"4f021db243bc633d7178183a9fa071e8",
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"b4d9ada9ad7dedf4e5e738763f69145a",
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"571b242012fb7ae07fa9baac3df102e0",
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"08b0e27988598881d920a9e64f5615cd",
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"f58c4c04d6e5f1ba779eabfb5f7bfbd6",
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"9cfc4e967edb808d679f777bc6702c7d",
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"39f23369a9d9bacfa530e26304231461",
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"b2eb05e2c39be9fcda6c19078c6a9d1b" };
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ByteBuffer input = ByteBuffer.allocateDirect(Aes.BLOCK_SIZE);
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ByteBuffer output = ByteBuffer.allocateDirect(Aes.BLOCK_SIZE);
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ByteBuffer plain = ByteBuffer.allocateDirect(Aes.BLOCK_SIZE);
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ByteBuffer cipher = ByteBuffer.allocateDirect(Aes.BLOCK_SIZE);
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for (int i = 0; i < inputs.length; i++) {
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Aes enc = new Aes(Util.h2b(keys[i]), Util.h2b(ivs[i]),
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Aes.ENCRYPT_MODE);
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Aes dec = new Aes(Util.h2b(keys[i]), Util.h2b(ivs[i]),
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Aes.DECRYPT_MODE);
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input.put(Util.h2b(inputs[i])).rewind();
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output.put(Util.h2b(outputs[i])).rewind();
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try {
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assertEquals(Aes.BLOCK_SIZE, enc.update(input, cipher));
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assertEquals(Aes.BLOCK_SIZE, dec.update(output, plain));
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} catch (ShortBufferException e) {
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e.printStackTrace();
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fail();
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}
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assertEquals(Aes.BLOCK_SIZE, input.position());
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assertEquals(0, input.remaining());
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assertEquals(Aes.BLOCK_SIZE, output.position());
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assertEquals(0, output.remaining());
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assertEquals(Aes.BLOCK_SIZE, cipher.position());
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assertEquals(0, cipher.remaining());
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assertEquals(Aes.BLOCK_SIZE, plain.position());
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assertEquals(0, plain.remaining());
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input.rewind();
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output.rewind();
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cipher.rewind();
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plain.rewind();
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assertEquals(output, cipher);
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assertEquals(input, plain);
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/* tests ShortBufferException */
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if (i == inputs.length - 1) {
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cipher.position(cipher.limit());
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enc.update(input, cipher);
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}
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}
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}
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@Test(expected=ShortBufferException.class)
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public void updateShouldMatchUsingByteArray() throws ShortBufferException {
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String[] keys = new String[] {
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"2b7e151628aed2a6abf7158809cf4f3c",
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"2b7e151628aed2a6abf7158809cf4f3c",
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"2b7e151628aed2a6abf7158809cf4f3c",
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"2b7e151628aed2a6abf7158809cf4f3c",
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"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
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"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
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"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
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"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
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"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
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"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
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||||
"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
|
||||
"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4", };
|
||||
String[] ivs = new String[] {
|
||||
"000102030405060708090A0B0C0D0E0F",
|
||||
"7649ABAC8119B246CEE98E9B12E9197D",
|
||||
"5086CB9B507219EE95DB113A917678B2",
|
||||
"73BED6B8E3C1743B7116E69E22229516",
|
||||
"000102030405060708090A0B0C0D0E0F",
|
||||
"4F021DB243BC633D7178183A9FA071E8",
|
||||
"B4D9ADA9AD7DEDF4E5E738763F69145A",
|
||||
"571B242012FB7AE07FA9BAAC3DF102E0",
|
||||
"000102030405060708090A0B0C0D0E0F",
|
||||
"F58C4C04D6E5F1BA779EABFB5F7BFBD6",
|
||||
"9CFC4E967EDB808D679F777BC6702C7D",
|
||||
"39F23369A9D9BACFA530E26304231461" };
|
||||
String[] inputs = new String[] {
|
||||
"6bc1bee22e409f96e93d7e117393172a",
|
||||
"ae2d8a571e03ac9c9eb76fac45af8e51",
|
||||
"30c81c46a35ce411e5fbc1191a0a52ef",
|
||||
"f69f2445df4f9b17ad2b417be66c3710",
|
||||
"6bc1bee22e409f96e93d7e117393172a",
|
||||
"ae2d8a571e03ac9c9eb76fac45af8e51",
|
||||
"30c81c46a35ce411e5fbc1191a0a52ef",
|
||||
"f69f2445df4f9b17ad2b417be66c3710",
|
||||
"6bc1bee22e409f96e93d7e117393172a",
|
||||
"ae2d8a571e03ac9c9eb76fac45af8e51",
|
||||
"30c81c46a35ce411e5fbc1191a0a52ef",
|
||||
"f69f2445df4f9b17ad2b417be66c3710" };
|
||||
String[] outputs = new String[] {
|
||||
"7649abac8119b246cee98e9b12e9197d",
|
||||
"5086cb9b507219ee95db113a917678b2",
|
||||
"73bed6b8e3c1743b7116e69e22229516",
|
||||
"3ff1caa1681fac09120eca307586e1a7",
|
||||
"4f021db243bc633d7178183a9fa071e8",
|
||||
"b4d9ada9ad7dedf4e5e738763f69145a",
|
||||
"571b242012fb7ae07fa9baac3df102e0",
|
||||
"08b0e27988598881d920a9e64f5615cd",
|
||||
"f58c4c04d6e5f1ba779eabfb5f7bfbd6",
|
||||
"9cfc4e967edb808d679f777bc6702c7d",
|
||||
"39f23369a9d9bacfa530e26304231461",
|
||||
"b2eb05e2c39be9fcda6c19078c6a9d1b" };
|
||||
|
||||
for (int i = 0; i < inputs.length; i++) {
|
||||
Aes enc = new Aes(Util.h2b(keys[i]), Util.h2b(ivs[i]),
|
||||
Aes.ENCRYPT_MODE);
|
||||
Aes dec = new Aes(Util.h2b(keys[i]), Util.h2b(ivs[i]),
|
||||
Aes.DECRYPT_MODE);
|
||||
|
||||
byte[] input = Util.h2b(inputs[i]);
|
||||
byte[] output = Util.h2b(outputs[i]);
|
||||
byte[] cipher = new byte[Aes.BLOCK_SIZE];
|
||||
byte[] plain = new byte[Aes.BLOCK_SIZE];
|
||||
|
||||
if (i % 2 == 0) {
|
||||
cipher = enc.update(input, 0, input.length);
|
||||
plain = dec.update(output, 0, output.length);
|
||||
} else {
|
||||
try {
|
||||
assertEquals(Aes.BLOCK_SIZE,
|
||||
enc.update(input, 0, input.length, cipher, 0));
|
||||
assertEquals(Aes.BLOCK_SIZE,
|
||||
dec.update(output, 0, output.length, plain, 0));
|
||||
} catch (ShortBufferException e) {
|
||||
e.printStackTrace();
|
||||
fail();
|
||||
}
|
||||
}
|
||||
|
||||
assertArrayEquals(output, cipher);
|
||||
assertArrayEquals(input, plain);
|
||||
|
||||
/* tests ShortBufferException */
|
||||
if (i == inputs.length - 1)
|
||||
enc.update(input, 0, input.length, cipher, Aes.BLOCK_SIZE);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue