java_math_NativeBN.cpp revision 8383f343119f7a98cbe3b4a5bddc89038ac5c166
1adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/* 2adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 3adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 4adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * you may not use this file except in compliance with the License. 6adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * You may obtain a copy of the License at 7adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 8adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 10adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * See the License for the specific language governing permissions and 14adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * limitations under the License. 15adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 16adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 17abf945fb9ce99d8c2769ac5b2691b2732fa59887Elliott Hughes#define LOG_TAG "NativeBN" 18abf945fb9ce99d8c2769ac5b2691b2732fa59887Elliott Hughes 1999c59bfa432e36933a7a5033fba8b89209f737bcElliott Hughes#include "JNIHelp.h" 20e22935d3c7040c22b48d53bd18878844f381287cElliott Hughes#include "JniConstants.h" 2166e740b765384686ce87003608412e940ab5d489Elliott Hughes#include "JniException.h" 2299c59bfa432e36933a7a5033fba8b89209f737bcElliott Hughes#include "ScopedPrimitiveArray.h" 2305960876dff6a5b686821eed8f7ae7cef5af4f50Elliott Hughes#include "ScopedUtfChars.h" 2463710430c17f7c0a1e74b926cd21248fde8e9589Elliott Hughes#include "UniquePtr.h" 2599c59bfa432e36933a7a5033fba8b89209f737bcElliott Hughes#include "jni.h" 26adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include <openssl/bn.h> 2799c59bfa432e36933a7a5033fba8b89209f737bcElliott Hughes#include <openssl/crypto.h> 2899c59bfa432e36933a7a5033fba8b89209f737bcElliott Hughes#include <openssl/err.h> 29adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include <stdio.h> 30adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 318383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley#if defined(OPENSSL_IS_BORINGSSL) 328383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley/* BoringSSL no longer exports |bn_check_top|. */ 338383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langleystatic void bn_check_top(const BIGNUM* bn) { 348383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley /* This asserts that |bn->top| (which contains the number of elements of 358383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley * |bn->d| that are valid) is minimal. In other words, that there aren't 368383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley * superfluous zeros. */ 378383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley if (bn != NULL && bn->top != 0 && bn->d[bn->top-1] == 0) { 388383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley abort(); 398383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley } 408383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley} 418383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley#endif 428383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley 4363710430c17f7c0a1e74b926cd21248fde8e9589Elliott Hughesstruct BN_CTX_Deleter { 4466e740b765384686ce87003608412e940ab5d489Elliott Hughes void operator()(BN_CTX* p) const { 4566e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_CTX_free(p); 4666e740b765384686ce87003608412e940ab5d489Elliott Hughes } 4763710430c17f7c0a1e74b926cd21248fde8e9589Elliott Hughes}; 4863710430c17f7c0a1e74b926cd21248fde8e9589Elliott Hughestypedef UniquePtr<BN_CTX, BN_CTX_Deleter> Unique_BN_CTX; 4963710430c17f7c0a1e74b926cd21248fde8e9589Elliott Hughes 50a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic BIGNUM* toBigNum(jlong address) { 51a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return reinterpret_cast<BIGNUM*>(static_cast<uintptr_t>(address)); 52adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 53adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 5466e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic bool throwExceptionIfNecessary(JNIEnv* env) { 5566e740b765384686ce87003608412e940ab5d489Elliott Hughes long error = ERR_get_error(); 5666e740b765384686ce87003608412e940ab5d489Elliott Hughes if (error == 0) { 5766e740b765384686ce87003608412e940ab5d489Elliott Hughes return false; 5866e740b765384686ce87003608412e940ab5d489Elliott Hughes } 5966e740b765384686ce87003608412e940ab5d489Elliott Hughes char message[256]; 6066e740b765384686ce87003608412e940ab5d489Elliott Hughes ERR_error_string_n(error, message, sizeof(message)); 6166e740b765384686ce87003608412e940ab5d489Elliott Hughes int reason = ERR_GET_REASON(error); 6266e740b765384686ce87003608412e940ab5d489Elliott Hughes if (reason == BN_R_DIV_BY_ZERO) { 6366e740b765384686ce87003608412e940ab5d489Elliott Hughes jniThrowException(env, "java/lang/ArithmeticException", "BigInteger division by zero"); 6466e740b765384686ce87003608412e940ab5d489Elliott Hughes } else if (reason == BN_R_NO_INVERSE) { 6566e740b765384686ce87003608412e940ab5d489Elliott Hughes jniThrowException(env, "java/lang/ArithmeticException", "BigInteger not invertible"); 6666e740b765384686ce87003608412e940ab5d489Elliott Hughes } else if (reason == ERR_R_MALLOC_FAILURE) { 6766e740b765384686ce87003608412e940ab5d489Elliott Hughes jniThrowOutOfMemoryError(env, message); 6866e740b765384686ce87003608412e940ab5d489Elliott Hughes } else { 6966e740b765384686ce87003608412e940ab5d489Elliott Hughes jniThrowException(env, "java/lang/ArithmeticException", message); 7066e740b765384686ce87003608412e940ab5d489Elliott Hughes } 7166e740b765384686ce87003608412e940ab5d489Elliott Hughes return true; 7266e740b765384686ce87003608412e940ab5d489Elliott Hughes} 73a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 74a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic int isValidHandle(JNIEnv* env, jlong handle, const char* message) { 75a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (handle == 0) { 76a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes jniThrowNullPointerException(env, message); 77a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return JNI_FALSE; 78a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 79a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return JNI_TRUE; 80adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 81adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 82a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic int oneValidHandle(JNIEnv* env, jlong a) { 83a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return isValidHandle(env, a, "Mandatory handle (first) passed as null"); 84adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 85adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 86a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic int twoValidHandles(JNIEnv* env, jlong a, jlong b) { 87a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a)) return JNI_FALSE; 88a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return isValidHandle(env, b, "Mandatory handle (second) passed as null"); 89adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 90adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 91a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic int threeValidHandles(JNIEnv* env, jlong a, jlong b, jlong c) { 92a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!twoValidHandles(env, a, b)) return JNI_FALSE; 93a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return isValidHandle(env, c, "Mandatory handle (third) passed as null"); 94a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes} 95a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 96a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic int fourValidHandles(JNIEnv* env, jlong a, jlong b, jlong c, jlong d) { 97a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!threeValidHandles(env, a, b, c)) return JNI_FALSE; 98a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return isValidHandle(env, d, "Mandatory handle (fourth) passed as null"); 99adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 100adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 10166e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic jlong NativeBN_BN_new(JNIEnv* env, jclass) { 10266e740b765384686ce87003608412e940ab5d489Elliott Hughes jlong result = static_cast<jlong>(reinterpret_cast<uintptr_t>(BN_new())); 10366e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 10466e740b765384686ce87003608412e940ab5d489Elliott Hughes return result; 105adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 106adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 107a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic void NativeBN_BN_free(JNIEnv* env, jclass, jlong a) { 108a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a)) return; 109a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BN_free(toBigNum(a)); 110adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 111adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 112a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic int NativeBN_BN_cmp(JNIEnv* env, jclass, jlong a, jlong b) { 113a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!twoValidHandles(env, a, b)) return 1; 114a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return BN_cmp(toBigNum(a), toBigNum(b)); 115adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 116adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 11766e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_copy(JNIEnv* env, jclass, jlong to, jlong from) { 11866e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!twoValidHandles(env, to, from)) return; 11966e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_copy(toBigNum(to), toBigNum(from)); 12066e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 121adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 122adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 123a961d0b42b313aae32f340d9bf7de18e638da2cbColin Crossstatic void NativeBN_putULongInt(JNIEnv* env, jclass, jlong a0, jlong java_dw, jboolean neg) { 1248383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley if (!oneValidHandle(env, a0)) return; 125a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross 1268383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley uint64_t dw = java_dw; 1278383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley BIGNUM* a = toBigNum(a0); 1288383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley int ok; 129adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1308383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley static_assert(sizeof(dw) == sizeof(BN_ULONG) || 1318383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley sizeof(dw) == 2*sizeof(BN_ULONG), "Unknown BN configuration"); 1328383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley 1338383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley if (sizeof(dw) == sizeof(BN_ULONG)) { 1348383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley ok = BN_set_word(a, dw); 1358383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley } else if (sizeof(dw) == 2 * sizeof(BN_ULONG)) { 1368383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley ok = (bn_wexpand(a, 2) != NULL); 1378383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley if (ok) { 138a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross a->d[0] = dw; 1398383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley a->d[1] = dw >> 32; 1408383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley a->top = 2; 14166e740b765384686ce87003608412e940ab5d489Elliott Hughes bn_correct_top(a); 14266e740b765384686ce87003608412e940ab5d489Elliott Hughes } 1438383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley } 1448383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley 1458383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley BN_set_negative(a, neg); 1468383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley 1478383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley if (!ok) { 1488383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley throwExceptionIfNecessary(env); 1498383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley } 150adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 151adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 152a961d0b42b313aae32f340d9bf7de18e638da2cbColin Crossstatic void NativeBN_putLongInt(JNIEnv* env, jclass cls, jlong a, jlong dw) { 153a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (dw >= 0) { 15466e740b765384686ce87003608412e940ab5d489Elliott Hughes NativeBN_putULongInt(env, cls, a, dw, JNI_FALSE); 155a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } else { 15666e740b765384686ce87003608412e940ab5d489Elliott Hughes NativeBN_putULongInt(env, cls, a, -dw, JNI_TRUE); 157a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 158adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 159adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 160a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic int NativeBN_BN_dec2bn(JNIEnv* env, jclass, jlong a0, jstring str) { 161a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a0)) return -1; 162a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes ScopedUtfChars chars(env, str); 163a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (chars.c_str() == NULL) { 164a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return -1; 165a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 166a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BIGNUM* a = toBigNum(a0); 16766e740b765384686ce87003608412e940ab5d489Elliott Hughes int result = BN_dec2bn(&a, chars.c_str()); 16866e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 16966e740b765384686ce87003608412e940ab5d489Elliott Hughes return result; 170adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 171adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 172a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic int NativeBN_BN_hex2bn(JNIEnv* env, jclass, jlong a0, jstring str) { 173a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a0)) return -1; 174a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes ScopedUtfChars chars(env, str); 175a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (chars.c_str() == NULL) { 176a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return -1; 177a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 178a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BIGNUM* a = toBigNum(a0); 17966e740b765384686ce87003608412e940ab5d489Elliott Hughes int result = BN_hex2bn(&a, chars.c_str()); 18066e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 18166e740b765384686ce87003608412e940ab5d489Elliott Hughes return result; 182adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 183adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 18466e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_bin2bn(JNIEnv* env, jclass, jbyteArray arr, int len, jboolean neg, jlong ret) { 18566e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!oneValidHandle(env, ret)) return; 186a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes ScopedByteArrayRO bytes(env, arr); 187a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (bytes.get() == NULL) { 18866e740b765384686ce87003608412e940ab5d489Elliott Hughes return; 189a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 19066e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_bin2bn(reinterpret_cast<const unsigned char*>(bytes.get()), len, toBigNum(ret)); 19166e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!throwExceptionIfNecessary(env) && neg) { 19266e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_set_negative(toBigNum(ret), true); 193a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 194adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 195adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 196adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/** 19799c59bfa432e36933a7a5033fba8b89209f737bcElliott Hughes * Note: 198adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * This procedure directly writes the internal representation of BIGNUMs. 199adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * We do so as there is no direct interface based on Little Endian Integer Arrays. 200adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Also note that the same representation is used in the Cordoba Java Implementation of BigIntegers, 201adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * whereof certain functionality is still being used. 202adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 20366e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_litEndInts2bn(JNIEnv* env, jclass, jintArray arr, int len, jboolean neg, jlong ret0) { 20466e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!oneValidHandle(env, ret0)) return; 205a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BIGNUM* ret = toBigNum(ret0); 206a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes bn_check_top(ret); 207a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (len > 0) { 208a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes ScopedIntArrayRO scopedArray(env, arr); 209a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (scopedArray.get() == NULL) { 21066e740b765384686ce87003608412e940ab5d489Elliott Hughes return; 211a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 212a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#ifdef __LP64__ 213a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross const int wlen = (len + 1) / 2; 214a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#else 215a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross const int wlen = len; 216a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#endif 217a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross const unsigned int* tmpInts = reinterpret_cast<const unsigned int*>(scopedArray.get()); 218a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross if ((tmpInts != NULL) && (bn_wexpand(ret, wlen) != NULL)) { 219a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#ifdef __LP64__ 220a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross if (len % 2) { 221a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross ret->d[wlen - 1] = tmpInts[--len]; 222a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross } 223a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross if (len > 0) { 224a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross for (int i = len - 2; i >= 0; i -= 2) { 225a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross ret->d[i/2] = ((unsigned long long)tmpInts[i+1] << 32) | tmpInts[i]; 226a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross } 227a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross } 228a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#else 229a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes int i = len; do { i--; ret->d[i] = tmpInts[i]; } while (i > 0); 230a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#endif 2316bc20cd8fc6784a75158d8f1db27802a12b28f94Serguei Katkov ret->top = wlen; 232a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes ret->neg = neg; 233a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // need to call this due to clear byte at top if avoiding 234a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // having the top bit set (-ve number) 235a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // Basically get rid of top zero ints: 236a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes bn_correct_top(ret); 237a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } else { 23866e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 23999c59bfa432e36933a7a5033fba8b89209f737bcElliott Hughes } 240a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } else { // (len = 0) means value = 0 and sign will be 0, too. 241a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes ret->top = 0; 242a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 243adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 244adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 245adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 246a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#ifdef __LP64__ 247a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#define BYTES2ULONG(bytes, k) \ 248a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross ((bytes[k + 7] & 0xffULL) | (bytes[k + 6] & 0xffULL) << 8 | (bytes[k + 5] & 0xffULL) << 16 | (bytes[k + 4] & 0xffULL) << 24 | \ 249a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross (bytes[k + 3] & 0xffULL) << 32 | (bytes[k + 2] & 0xffULL) << 40 | (bytes[k + 1] & 0xffULL) << 48 | (bytes[k + 0] & 0xffULL) << 56) 250a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#else 251a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#define BYTES2ULONG(bytes, k) \ 252a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes ((bytes[k + 3] & 0xff) | (bytes[k + 2] & 0xff) << 8 | (bytes[k + 1] & 0xff) << 16 | (bytes[k + 0] & 0xff) << 24) 253a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#endif 25466e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void negBigEndianBytes2bn(JNIEnv*, jclass, const unsigned char* bytes, int bytesLen, jlong ret0) { 255a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BIGNUM* ret = toBigNum(ret0); 256a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 257a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes bn_check_top(ret); 258a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // FIXME: assert bytesLen > 0 2598383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley int wLen = (bytesLen + sizeof(BN_ULONG) - 1) / sizeof(BN_ULONG); 260a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes int firstNonzeroDigit = -2; 261a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross if (bn_wexpand(ret, wLen) != NULL) { 262a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BN_ULONG* d = ret->d; 263a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BN_ULONG di; 264a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross ret->top = wLen; 2658383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley int highBytes = bytesLen % sizeof(BN_ULONG); 266a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes int k = bytesLen; 267a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // Put bytes to the int array starting from the end of the byte array 268a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes int i = 0; 269a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes while (k > highBytes) { 2708383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley k -= sizeof(BN_ULONG); 271a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross di = BYTES2ULONG(bytes, k); 272a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (di != 0) { 273a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes d[i] = -di; 274a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes firstNonzeroDigit = i; 275a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes i++; 276adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while (k > highBytes) { 2778383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley k -= sizeof(BN_ULONG); 278a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross d[i] = ~BYTES2ULONG(bytes, k); 279a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes i++; 280adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 281a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes break; 282a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } else { 283a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes d[i] = 0; 284a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes i++; 285a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 286adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 287a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (highBytes != 0) { 288a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes di = -1; 289a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // Put the first bytes in the highest element of the int array 290a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (firstNonzeroDigit != -2) { 291a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes for (k = 0; k < highBytes; k++) { 292a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes di = (di << 8) | (bytes[k] & 0xFF); 293a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 294a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes d[i] = ~di; 295a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } else { 296a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes for (k = 0; k < highBytes; k++) { 297a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes di = (di << 8) | (bytes[k] & 0xFF); 298a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 299a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes d[i] = -di; 300a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 301adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 3021d6c936ab01da702aab6c7e578e2c74cdc90b8a4Kenny Root // The top may have superfluous zeros, so fix it. 3031d6c936ab01da702aab6c7e578e2c74cdc90b8a4Kenny Root bn_correct_top(ret); 304a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 305a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes} 306a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 30766e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_twosComp2bn(JNIEnv* env, jclass cls, jbyteArray arr, int bytesLen, jlong ret0) { 30866e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!oneValidHandle(env, ret0)) return; 309a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BIGNUM* ret = toBigNum(ret0); 310a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 311a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes ScopedByteArrayRO bytes(env, arr); 312a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (bytes.get() == NULL) { 31366e740b765384686ce87003608412e940ab5d489Elliott Hughes return; 314a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 315a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes const unsigned char* s = reinterpret_cast<const unsigned char*>(bytes.get()); 316a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if ((bytes[0] & 0X80) == 0) { // Positive value! 317a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // 318a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // We can use the existing BN implementation for unsigned big endian bytes: 319a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // 32066e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_bin2bn(s, bytesLen, ret); 32166e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_set_negative(ret, false); 322a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } else { // Negative value! 323a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // 324a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // We need to apply two's complement: 325a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // 32666e740b765384686ce87003608412e940ab5d489Elliott Hughes negBigEndianBytes2bn(env, cls, s, bytesLen, ret0); 32766e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_set_negative(ret, true); 328a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 32966e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 330a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes} 331a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 332a961d0b42b313aae32f340d9bf7de18e638da2cbColin Crossstatic jlong NativeBN_longInt(JNIEnv* env, jclass, jlong a0) { 333a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a0)) return -1; 334a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross 335a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BIGNUM* a = toBigNum(a0); 336a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes bn_check_top(a); 337a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross int wLen = a->top; 338a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross if (wLen == 0) { 339a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross return 0; 340a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross } 341a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross 342a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#ifdef __LP64__ 343a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross jlong result = a->d[0]; 344a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#else 345a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross jlong result = static_cast<jlong>(a->d[0]) & 0xffffffff; 346a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross if (wLen > 1) { 347a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross result |= static_cast<jlong>(a->d[1]) << 32; 348a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 349a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#endif 350a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross return a->neg ? -result : result; 351adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 352adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 353adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectstatic char* leadingZerosTrimmed(char* s) { 354adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project char* p = s; 355adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (*p == '-') { 356adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project p++; 357adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while ((*p == '0') && (*(p + 1) != 0)) { p++; } 358adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project p--; 359adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project *p = '-'; 360adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 361adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while ((*p == '0') && (*(p + 1) != 0)) { p++; } 362adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 363adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return p; 364adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 365adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 366a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic jstring NativeBN_BN_bn2dec(JNIEnv* env, jclass, jlong a) { 367a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a)) return NULL; 368a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes char* tmpStr = BN_bn2dec(toBigNum(a)); 369a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (tmpStr == NULL) { 370a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return NULL; 371a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 372a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes char* retStr = leadingZerosTrimmed(tmpStr); 373a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes jstring returnJString = env->NewStringUTF(retStr); 374a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes OPENSSL_free(tmpStr); 375a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return returnJString; 376a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes} 377a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 378a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic jstring NativeBN_BN_bn2hex(JNIEnv* env, jclass, jlong a) { 379a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a)) return NULL; 380a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes char* tmpStr = BN_bn2hex(toBigNum(a)); 381a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (tmpStr == NULL) { 382a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return NULL; 383a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 384a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes char* retStr = leadingZerosTrimmed(tmpStr); 385a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes jstring returnJString = env->NewStringUTF(retStr); 386a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes OPENSSL_free(tmpStr); 387a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return returnJString; 388a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes} 389a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 390a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic jbyteArray NativeBN_BN_bn2bin(JNIEnv* env, jclass, jlong a0) { 391a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a0)) return NULL; 392a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BIGNUM* a = toBigNum(a0); 393a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes jbyteArray result = env->NewByteArray(BN_num_bytes(a)); 394a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (result == NULL) { 395a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return NULL; 396a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 397a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes ScopedByteArrayRW bytes(env, result); 398a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (bytes.get() == NULL) { 399a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return NULL; 400a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 401a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BN_bn2bin(a, reinterpret_cast<unsigned char*>(bytes.get())); 402a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return result; 403a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes} 404a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 405a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic jintArray NativeBN_bn2litEndInts(JNIEnv* env, jclass, jlong a0) { 406a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a0)) return NULL; 407a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BIGNUM* a = toBigNum(a0); 408a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes bn_check_top(a); 409a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross int wLen = a->top; 410a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross if (wLen == 0) { 411a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return NULL; 412a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 4138383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley jintArray result = env->NewIntArray(wLen * sizeof(BN_ULONG)/sizeof(unsigned int)); 414a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (result == NULL) { 415a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return NULL; 416a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 417a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes ScopedIntArrayRW ints(env, result); 418a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (ints.get() == NULL) { 419a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return NULL; 420a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 421a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross unsigned int* uints = reinterpret_cast<unsigned int*>(ints.get()); 422a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross if (uints == NULL) { 423a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return NULL; 424a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 425a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#ifdef __LP64__ 426a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross int i = wLen; do { i--; uints[i*2+1] = a->d[i] >> 32; uints[i*2] = a->d[i]; } while (i > 0); 427a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#else 428a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross int i = wLen; do { i--; uints[i] = a->d[i]; } while (i > 0); 429a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross#endif 430a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return result; 431a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes} 432a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 433a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic int NativeBN_sign(JNIEnv* env, jclass, jlong a) { 434a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a)) return -2; 435a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (BN_is_zero(toBigNum(a))) { 436a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return 0; 437a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } else if (BN_is_negative(toBigNum(a))) { 438a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return -1; 439a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 440a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return 1; 441a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes} 442a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 443a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic void NativeBN_BN_set_negative(JNIEnv* env, jclass, jlong b, int n) { 444a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, b)) return; 445a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BN_set_negative(toBigNum(b), n); 446a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes} 447a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes 448a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic int NativeBN_bitLength(JNIEnv* env, jclass, jlong a0) { 449a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a0)) return JNI_FALSE; 450a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BIGNUM* a = toBigNum(a0); 451a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes bn_check_top(a); 452a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross int wLen = a->top; 453a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross if (wLen == 0) return 0; 454a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BN_ULONG* d = a->d; 455a961d0b42b313aae32f340d9bf7de18e638da2cbColin Cross int i = wLen - 1; 456a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes BN_ULONG msd = d[i]; // most significant digit 457a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (a->neg) { 458a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // Handle negative values correctly: 459a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // i.e. decrement the msd if all other digits are 0: 460a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes // while ((i > 0) && (d[i] != 0)) { i--; } 461a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes do { i--; } while (!((i < 0) || (d[i] != 0))); 462a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (i < 0) msd--; // Only if all lower significant digits are 0 we decrement the most significant one. 463a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes } 4648383f343119f7a98cbe3b4a5bddc89038ac5c166Adam Langley return (wLen - 1) * sizeof(BN_ULONG) * 8 + BN_num_bits_word(msd); 465adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 466adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 467a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic jboolean NativeBN_BN_is_bit_set(JNIEnv* env, jclass, jlong a, int n) { 468a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, a)) return JNI_FALSE; 469a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes return BN_is_bit_set(toBigNum(a), n); 470adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 471adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 47266e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_shift(JNIEnv* env, jclass, jlong r, jlong a, int n) { 47366e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!twoValidHandles(env, r, a)) return; 47466e740b765384686ce87003608412e940ab5d489Elliott Hughes if (n >= 0) { 47566e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_lshift(toBigNum(r), toBigNum(a), n); 47666e740b765384686ce87003608412e940ab5d489Elliott Hughes } else { 47766e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_rshift(toBigNum(r), toBigNum(a), -n); 47866e740b765384686ce87003608412e940ab5d489Elliott Hughes } 47966e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 480adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 481adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 48266e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_add_word(JNIEnv* env, jclass, jlong a, BN_ULONG w) { 48366e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!oneValidHandle(env, a)) return; 48466e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_add_word(toBigNum(a), w); 48566e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 486adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 487adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 48866e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_mul_word(JNIEnv* env, jclass, jlong a, BN_ULONG w) { 48966e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!oneValidHandle(env, a)) return; 49066e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_mul_word(toBigNum(a), w); 49166e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 492adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 493adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 494a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughesstatic BN_ULONG NativeBN_BN_mod_word(JNIEnv* env, jclass, jlong a, BN_ULONG w) { 49566e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!oneValidHandle(env, a)) return 0; 49666e740b765384686ce87003608412e940ab5d489Elliott Hughes int result = BN_mod_word(toBigNum(a), w); 49766e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 49866e740b765384686ce87003608412e940ab5d489Elliott Hughes return result; 499adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 500adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 50166e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_add(JNIEnv* env, jclass, jlong r, jlong a, jlong b) { 50266e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!threeValidHandles(env, r, a, b)) return; 50366e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_add(toBigNum(r), toBigNum(a), toBigNum(b)); 50466e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 505adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 506adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 50766e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_sub(JNIEnv* env, jclass, jlong r, jlong a, jlong b) { 50866e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!threeValidHandles(env, r, a, b)) return; 50966e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_sub(toBigNum(r), toBigNum(a), toBigNum(b)); 51066e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 511adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 512adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 51366e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_gcd(JNIEnv* env, jclass, jlong r, jlong a, jlong b) { 51466e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!threeValidHandles(env, r, a, b)) return; 515a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes Unique_BN_CTX ctx(BN_CTX_new()); 51666e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_gcd(toBigNum(r), toBigNum(a), toBigNum(b), ctx.get()); 51766e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 518adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 519adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 52066e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_mul(JNIEnv* env, jclass, jlong r, jlong a, jlong b) { 52166e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!threeValidHandles(env, r, a, b)) return; 522a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes Unique_BN_CTX ctx(BN_CTX_new()); 52366e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_mul(toBigNum(r), toBigNum(a), toBigNum(b), ctx.get()); 52466e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 525adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 526adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 52766e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_exp(JNIEnv* env, jclass, jlong r, jlong a, jlong p) { 52866e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!threeValidHandles(env, r, a, p)) return; 529a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes Unique_BN_CTX ctx(BN_CTX_new()); 53066e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_exp(toBigNum(r), toBigNum(a), toBigNum(p), ctx.get()); 53166e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 532adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 533adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 53466e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_div(JNIEnv* env, jclass, jlong dv, jlong rem, jlong m, jlong d) { 53566e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!fourValidHandles(env, (rem ? rem : dv), (dv ? dv : rem), m, d)) return; 536a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes Unique_BN_CTX ctx(BN_CTX_new()); 53766e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_div(toBigNum(dv), toBigNum(rem), toBigNum(m), toBigNum(d), ctx.get()); 53866e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 539adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 540adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 54166e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_nnmod(JNIEnv* env, jclass, jlong r, jlong a, jlong m) { 54266e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!threeValidHandles(env, r, a, m)) return; 543a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes Unique_BN_CTX ctx(BN_CTX_new()); 54466e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_nnmod(toBigNum(r), toBigNum(a), toBigNum(m), ctx.get()); 54566e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 546adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 547adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 54866e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_mod_exp(JNIEnv* env, jclass, jlong r, jlong a, jlong p, jlong m) { 54966e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!fourValidHandles(env, r, a, p, m)) return; 550a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes Unique_BN_CTX ctx(BN_CTX_new()); 55166e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_mod_exp(toBigNum(r), toBigNum(a), toBigNum(p), toBigNum(m), ctx.get()); 55266e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 553adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 554adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 55566e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_mod_inverse(JNIEnv* env, jclass, jlong ret, jlong a, jlong n) { 55666e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!threeValidHandles(env, ret, a, n)) return; 557a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes Unique_BN_CTX ctx(BN_CTX_new()); 55866e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_mod_inverse(toBigNum(ret), toBigNum(a), toBigNum(n), ctx.get()); 55966e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 560adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 561adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 56266e740b765384686ce87003608412e940ab5d489Elliott Hughesstatic void NativeBN_BN_generate_prime_ex(JNIEnv* env, jclass, jlong ret, int bits, 56366e740b765384686ce87003608412e940ab5d489Elliott Hughes jboolean safe, jlong add, jlong rem, jlong cb) { 56466e740b765384686ce87003608412e940ab5d489Elliott Hughes if (!oneValidHandle(env, ret)) return; 56566e740b765384686ce87003608412e940ab5d489Elliott Hughes BN_generate_prime_ex(toBigNum(ret), bits, safe, toBigNum(add), toBigNum(rem), 56666e740b765384686ce87003608412e940ab5d489Elliott Hughes reinterpret_cast<BN_GENCB*>(cb)); 56766e740b765384686ce87003608412e940ab5d489Elliott Hughes throwExceptionIfNecessary(env); 568adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 569adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 5700a08bbe70ef43ed29cba241e95aa5c338349b021Chris Dearmanstatic jboolean NativeBN_BN_is_prime_ex(JNIEnv* env, jclass, jlong p, int nchecks, jlong cb) { 571a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes if (!oneValidHandle(env, p)) return JNI_FALSE; 572a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes Unique_BN_CTX ctx(BN_CTX_new()); 5730a08bbe70ef43ed29cba241e95aa5c338349b021Chris Dearman return BN_is_prime_ex(toBigNum(p), nchecks, ctx.get(), reinterpret_cast<BN_GENCB*>(cb)); 574adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 575adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 57663710430c17f7c0a1e74b926cd21248fde8e9589Elliott Hughesstatic JNINativeMethod gMethods[] = { 57766e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_add, "(JJJ)V"), 57866e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_add_word, "(JI)V"), 57966e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_bin2bn, "([BIZJ)V"), 580a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_bn2bin, "(J)[B"), 581a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_bn2dec, "(J)Ljava/lang/String;"), 582a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_bn2hex, "(J)Ljava/lang/String;"), 583a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_cmp, "(JJ)I"), 58466e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_copy, "(JJ)V"), 585a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_dec2bn, "(JLjava/lang/String;)I"), 58666e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_div, "(JJJJ)V"), 58766e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_exp, "(JJJ)V"), 588a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_free, "(J)V"), 58966e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_gcd, "(JJJ)V"), 59066e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_generate_prime_ex, "(JIZJJJ)V"), 591a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_hex2bn, "(JLjava/lang/String;)I"), 592a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_is_bit_set, "(JI)Z"), 593a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_is_prime_ex, "(JIJ)Z"), 59466e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_mod_exp, "(JJJJ)V"), 59566e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_mod_inverse, "(JJJ)V"), 596a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_mod_word, "(JI)I"), 59766e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_mul, "(JJJ)V"), 59866e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_mul_word, "(JI)V"), 599a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_new, "()J"), 60066e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_nnmod, "(JJJ)V"), 601a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, BN_set_negative, "(JI)V"), 60266e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_shift, "(JJI)V"), 60366e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, BN_sub, "(JJJ)V"), 604a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, bitLength, "(J)I"), 605a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, bn2litEndInts, "(J)[I"), 60666e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, litEndInts2bn, "([IIZJ)V"), 607a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, longInt, "(J)J"), 60866e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, putLongInt, "(JJ)V"), 60966e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, putULongInt, "(JJZ)V"), 610a125dded8ab0490d05e2fa9ec2e821ef1ae6facdElliott Hughes NATIVE_METHOD(NativeBN, sign, "(J)I"), 61166e740b765384686ce87003608412e940ab5d489Elliott Hughes NATIVE_METHOD(NativeBN, twosComp2bn, "([BIJ)V"), 612adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project}; 6137cd6760f7045d771faae8080a8c6150bf678f679Elliott Hughesvoid register_java_math_NativeBN(JNIEnv* env) { 6147cd6760f7045d771faae8080a8c6150bf678f679Elliott Hughes jniRegisterNativeMethods(env, "java/math/NativeBN", gMethods, NELEM(gMethods)); 615adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 616