The Tor Browser / file comparison
comparison: mozglue/android/NativeCrypto.cpp
mozglue/android/NativeCrypto.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:f2cab9ab09f6 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "NativeCrypto.h" | |
| 6 | |
| 7 #include <jni.h> | |
| 8 | |
| 9 #include <errno.h> | |
| 10 #include <stdlib.h> | |
| 11 #include <inttypes.h> | |
| 12 | |
| 13 #include "mozilla/SHA1.h" | |
| 14 #include "pbkdf2_sha256.h" | |
| 15 | |
| 16 /** | |
| 17 * Helper function to invoke native PBKDF2 function with JNI | |
| 18 * arguments. | |
| 19 */ | |
| 20 extern "C" JNIEXPORT jbyteArray JNICALL Java_org_mozilla_gecko_background_nativecode_NativeCrypto_pbkdf2SHA256 | |
| 21 (JNIEnv *env, jclass jc, jbyteArray jpassword, jbyteArray jsalt, jint c, jint dkLen) { | |
| 22 if (dkLen < 0) { | |
| 23 env->ThrowNew(env->FindClass("java/lang/IllegalArgumentException"), | |
| 24 "dkLen should not be less than 0"); | |
| 25 return NULL; | |
| 26 } | |
| 27 | |
| 28 jbyte *password = env->GetByteArrayElements(jpassword, NULL); | |
| 29 size_t passwordLen = env->GetArrayLength(jpassword); | |
| 30 | |
| 31 jbyte *salt = env->GetByteArrayElements(jsalt, NULL); | |
| 32 size_t saltLen = env->GetArrayLength(jsalt); | |
| 33 | |
| 34 uint8_t hashResult[dkLen]; | |
| 35 PBKDF2_SHA256((uint8_t *) password, passwordLen, (uint8_t *) salt, saltLen, | |
| 36 (uint64_t) c, hashResult, (size_t) dkLen); | |
| 37 | |
| 38 env->ReleaseByteArrayElements(jpassword, password, JNI_ABORT); | |
| 39 env->ReleaseByteArrayElements(jsalt, salt, JNI_ABORT); | |
| 40 | |
| 41 jbyteArray out = env->NewByteArray(dkLen); | |
| 42 if (out == NULL) { | |
| 43 return NULL; | |
| 44 } | |
| 45 env->SetByteArrayRegion(out, 0, dkLen, (jbyte *) hashResult); | |
| 46 | |
| 47 return out; | |
| 48 } | |
| 49 | |
| 50 using namespace mozilla; | |
| 51 | |
| 52 /** | |
| 53 * Helper function to invoke native SHA-1 function with JNI arguments. | |
| 54 */ | |
| 55 extern "C" JNIEXPORT jbyteArray JNICALL Java_org_mozilla_gecko_background_nativecode_NativeCrypto_sha1 | |
| 56 (JNIEnv *env, jclass jc, jbyteArray jstr) { | |
| 57 jbyte *str = env->GetByteArrayElements(jstr, NULL); | |
| 58 size_t strLen = env->GetArrayLength(jstr); | |
| 59 | |
| 60 SHA1Sum sha1; | |
| 61 SHA1Sum::Hash hashResult; | |
| 62 sha1.update((void *) str, (uint32_t) strLen); | |
| 63 sha1.finish(hashResult); | |
| 64 | |
| 65 env->ReleaseByteArrayElements(jstr, str, JNI_ABORT); | |
| 66 | |
| 67 jbyteArray out = env->NewByteArray(SHA1Sum::HashSize); | |
| 68 if (out == NULL) { | |
| 69 return NULL; | |
| 70 } | |
| 71 env->SetByteArrayRegion(out, 0, SHA1Sum::HashSize, (jbyte *) hashResult); | |
| 72 | |
| 73 return out; | |
| 74 } |
