The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mozglue/android/NativeCrypto.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,74 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#include "NativeCrypto.h"
     1.9 +
    1.10 +#include <jni.h>
    1.11 +
    1.12 +#include <errno.h>
    1.13 +#include <stdlib.h>
    1.14 +#include <inttypes.h>
    1.15 +
    1.16 +#include "mozilla/SHA1.h"
    1.17 +#include "pbkdf2_sha256.h"
    1.18 +
    1.19 +/**
    1.20 + * Helper function to invoke native PBKDF2 function with JNI
    1.21 + * arguments.
    1.22 + */
    1.23 +extern "C" JNIEXPORT jbyteArray JNICALL Java_org_mozilla_gecko_background_nativecode_NativeCrypto_pbkdf2SHA256
    1.24 +    (JNIEnv *env, jclass jc, jbyteArray jpassword, jbyteArray jsalt, jint c, jint dkLen) {
    1.25 +  if (dkLen < 0) {
    1.26 +    env->ThrowNew(env->FindClass("java/lang/IllegalArgumentException"),
    1.27 +                  "dkLen should not be less than 0");
    1.28 +    return NULL;
    1.29 +  }
    1.30 +
    1.31 +  jbyte *password = env->GetByteArrayElements(jpassword, NULL);
    1.32 +  size_t passwordLen = env->GetArrayLength(jpassword);
    1.33 +
    1.34 +  jbyte *salt = env->GetByteArrayElements(jsalt, NULL);
    1.35 +  size_t saltLen = env->GetArrayLength(jsalt);
    1.36 +
    1.37 +  uint8_t hashResult[dkLen];
    1.38 +  PBKDF2_SHA256((uint8_t *) password, passwordLen, (uint8_t *) salt, saltLen,
    1.39 +      (uint64_t) c, hashResult, (size_t) dkLen);
    1.40 +
    1.41 +  env->ReleaseByteArrayElements(jpassword, password, JNI_ABORT);
    1.42 +  env->ReleaseByteArrayElements(jsalt, salt, JNI_ABORT);
    1.43 +
    1.44 +  jbyteArray out = env->NewByteArray(dkLen);
    1.45 +  if (out == NULL) {
    1.46 +    return NULL;
    1.47 +  }
    1.48 +  env->SetByteArrayRegion(out, 0, dkLen, (jbyte *) hashResult);
    1.49 +
    1.50 +  return out;
    1.51 +}
    1.52 +
    1.53 +using namespace mozilla;
    1.54 +
    1.55 +/**
    1.56 + * Helper function to invoke native SHA-1 function with JNI arguments.
    1.57 + */
    1.58 +extern "C" JNIEXPORT jbyteArray JNICALL Java_org_mozilla_gecko_background_nativecode_NativeCrypto_sha1
    1.59 +    (JNIEnv *env, jclass jc, jbyteArray jstr) {
    1.60 +  jbyte *str = env->GetByteArrayElements(jstr, NULL);
    1.61 +  size_t strLen = env->GetArrayLength(jstr);
    1.62 +
    1.63 +  SHA1Sum sha1;
    1.64 +  SHA1Sum::Hash hashResult;
    1.65 +  sha1.update((void *) str, (uint32_t) strLen);
    1.66 +  sha1.finish(hashResult);
    1.67 +
    1.68 +  env->ReleaseByteArrayElements(jstr, str, JNI_ABORT);
    1.69 +
    1.70 +  jbyteArray out = env->NewByteArray(SHA1Sum::HashSize);
    1.71 +  if (out == NULL) {
    1.72 +    return NULL;
    1.73 +  }
    1.74 +  env->SetByteArrayRegion(out, 0, SHA1Sum::HashSize, (jbyte *) hashResult);
    1.75 +
    1.76 +  return out;
    1.77 +}