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mozglue/android/NativeCrypto.cpp@fc2d59ddac77 (annotated)

mozglue/android/NativeCrypto.cpp

Wed, 31 Dec 2014 07:22:50 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 07:22:50 +0100

branch

TOR_BUG_3246

changeset 4

fc2d59ddac77

permissions

-rw-r--r--

Correct previous dual key logic pending first delivery installment.

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