зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
4.0 KiB
C++
142 строки
4.0 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "NativeCrypto.h"
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#include "APKOpen.h"
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#include <jni.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include "mozilla/SHA1.h"
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#include "pbkdf2_sha256.h"
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/**
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* Helper function to invoke native PBKDF2 function with JNI
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* arguments.
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*/
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extern "C" JNIEXPORT jbyteArray MOZ_JNICALL
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Java_org_mozilla_gecko_background_nativecode_NativeCrypto_pbkdf2SHA256(
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JNIEnv *env, jclass jc, jbyteArray jpassword, jbyteArray jsalt, jint c,
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jint dkLen) {
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if (dkLen < 0) {
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env->ThrowNew(env->FindClass("java/lang/IllegalArgumentException"),
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"dkLen should not be less than 0");
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return nullptr;
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}
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jbyte *password = env->GetByteArrayElements(jpassword, nullptr);
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size_t passwordLen = env->GetArrayLength(jpassword);
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jbyte *salt = env->GetByteArrayElements(jsalt, nullptr);
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size_t saltLen = env->GetArrayLength(jsalt);
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uint8_t hashResult[dkLen];
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PBKDF2_SHA256((uint8_t *)password, passwordLen, (uint8_t *)salt, saltLen,
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(uint64_t)c, hashResult, (size_t)dkLen);
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env->ReleaseByteArrayElements(jpassword, password, JNI_ABORT);
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env->ReleaseByteArrayElements(jsalt, salt, JNI_ABORT);
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jbyteArray out = env->NewByteArray(dkLen);
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if (out == nullptr) {
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return nullptr;
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}
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env->SetByteArrayRegion(out, 0, dkLen, (jbyte *)hashResult);
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return out;
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}
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using namespace mozilla;
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/**
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* Helper function to invoke native SHA-1 function with JNI arguments.
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*/
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extern "C" JNIEXPORT jbyteArray MOZ_JNICALL
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Java_org_mozilla_gecko_background_nativecode_NativeCrypto_sha1(
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JNIEnv *env, jclass jc, jbyteArray jstr) {
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jbyte *str = env->GetByteArrayElements(jstr, nullptr);
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size_t strLen = env->GetArrayLength(jstr);
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SHA1Sum sha1;
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SHA1Sum::Hash hashResult;
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sha1.update((void *)str, (uint32_t)strLen);
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sha1.finish(hashResult);
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env->ReleaseByteArrayElements(jstr, str, JNI_ABORT);
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jbyteArray out = env->NewByteArray(SHA1Sum::kHashSize);
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if (out == nullptr) {
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return nullptr;
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}
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env->SetByteArrayRegion(out, 0, SHA1Sum::kHashSize, (jbyte *)hashResult);
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return out;
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}
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/**
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* Helper function to invoke native SHA-256 init with JNI arguments.
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*/
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extern "C" JNIEXPORT jbyteArray MOZ_JNICALL
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Java_org_mozilla_gecko_background_nativecode_NativeCrypto_sha256init(
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JNIEnv *env, jclass jc) {
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jbyteArray out = env->NewByteArray(sizeof(SHA256_CTX));
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if (nullptr == out) {
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return nullptr;
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}
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SHA256_CTX *shaContext =
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(SHA256_CTX *)env->GetByteArrayElements(out, nullptr);
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SHA256_Init(shaContext);
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env->ReleaseByteArrayElements(out, (jbyte *)shaContext, 0);
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return out;
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}
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/**
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* Helper function to invoke native SHA-256 update with JNI arguments.
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*/
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extern "C" JNIEXPORT void MOZ_JNICALL
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Java_org_mozilla_gecko_background_nativecode_NativeCrypto_sha256update(
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JNIEnv *env, jclass jc, jbyteArray jctx, jbyteArray jstr, jint len) {
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jbyte *str = env->GetByteArrayElements(jstr, nullptr);
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SHA256_CTX *shaContext =
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(SHA256_CTX *)env->GetByteArrayElements(jctx, nullptr);
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SHA256_Update(shaContext, (void *)str, (size_t)len);
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env->ReleaseByteArrayElements(jstr, str, JNI_ABORT);
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env->ReleaseByteArrayElements(jctx, (jbyte *)shaContext, 0);
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return;
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}
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/**
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* Helper function to invoke native SHA-256 finalize with JNI arguments.
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*/
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extern "C" JNIEXPORT jbyteArray MOZ_JNICALL
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Java_org_mozilla_gecko_background_nativecode_NativeCrypto_sha256finalize(
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JNIEnv *env, jclass jc, jbyteArray jctx) {
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SHA256_CTX *shaContext =
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(SHA256_CTX *)env->GetByteArrayElements(jctx, nullptr);
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unsigned char *digest = new unsigned char[32];
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SHA256_Final(digest, shaContext);
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env->ReleaseByteArrayElements(jctx, (jbyte *)shaContext, JNI_ABORT);
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jbyteArray out = env->NewByteArray(32);
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if (nullptr != out) {
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env->SetByteArrayRegion(out, 0, 32, (jbyte *)digest);
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}
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delete[] digest;
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return out;
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}
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