/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Native glue for Java class org.openssl.NativeBN
*/
#include <jni.h>
#include <JNIHelp.h>
#include <openssl/err.h>
#include <openssl/crypto.h>
#include <openssl/bn.h>
#include <stdio.h>
#define mcSignednessBull void *
#ifndef FALSE
#define FALSE 0
#define TRUE 1
#endif
static int isValidHandle (JNIEnv* env, void* handle, const char *message) {
if (handle == NULL) {
jniThrowNullPointerException(env, message);
return FALSE;
}
return TRUE;
}
static int oneValidHandle (JNIEnv* env, void* a)
{
return isValidHandle(env, a, "Mandatory handle (first) passed as null");
}
static int twoValidHandles (JNIEnv* env, void* a, void *b)
{
if (!oneValidHandle(env, a)) return FALSE;
return isValidHandle(env, b, "Mandatory handle (second) passed as null");
}
static int threeValidHandles (JNIEnv* env, void* a, void *b, void* c)
{
if (!twoValidHandles(env, a, b)) return FALSE;
return isValidHandle(env, c, "Mandatory handle (third) passed as null");
}
static int fourValidHandles (JNIEnv* env, void* a, void *b, void* c, void* d)
{
if (!threeValidHandles(env, a, b, c)) return FALSE;
return isValidHandle(env, d, "Mandatory handle (fourth) passed as null");
}
/**
* public static native int ERR_get_error();
*/
static unsigned long NativeBN_ERR_get_error(JNIEnv* env, jclass cls) {
unsigned long e = ERR_get_error();
return e;
}
/**
* public static native String ERR_error_string(int);
*/
static jstring NativeBN_ERR_error_string(JNIEnv* env, jclass cls, unsigned long e) {
jstring returnJString = 0;
char* errStr;
errStr = ERR_error_string(e, NULL);
returnJString = ((*env)->NewStringUTF(env, (mcSignednessBull)errStr));
return returnJString;
}
/**
* public static native int BN_CTX_new()
*/
static BN_CTX* NativeBN_BN_CTX_new(JNIEnv* env, jclass cls) {
return BN_CTX_new();
}
/**
* public static native int BN_new()
*/
static BIGNUM* NativeBN_BN_new(JNIEnv* env, jclass cls) {
return BN_new();
}
/**
* public static native int BN_free()
*/
static void NativeBN_BN_free(JNIEnv* env, jclass cls, BIGNUM* a) {
if (!oneValidHandle(env, a)) return;
BN_free(a);
}
/**
* public static native int BN_cmp(int, int)
*/
static int NativeBN_BN_cmp(JNIEnv* env, jclass cls, BIGNUM* a, BIGNUM* b) {
if (!twoValidHandles(env, a, b)) return 1;
return BN_cmp(a, b);
}
/**
* public static native int BN_copy(int, int)
*/
static jboolean NativeBN_BN_copy(JNIEnv* env, jclass cls, BIGNUM* to, BIGNUM* from) {
if (!twoValidHandles(env, to, from)) return FALSE;
return (BN_copy(to, from) != NULL);
}
/**
* public static native int putULongInt(int, long, int)
*/
static jboolean NativeBN_putULongInt(JNIEnv* env, jclass cls, BIGNUM* a, unsigned long long dw, jboolean neg) {
if (!oneValidHandle(env, a)) return FALSE;
unsigned int hi = dw >> 32; // This shifts without sign extension.
int lo = (int)dw; // This truncates implicitely.
// cf. litEndInts2bn:
bn_check_top(a);
if (bn_wexpand(a, 2) != NULL) {
a->d[0] = lo;
a->d[1] = hi;
a->top = 2;
a->neg = neg;
bn_correct_top(a);
return TRUE;
}
else return FALSE;
}
/**
* public static native int putLongInt(int, long)
*/
static jboolean NativeBN_putLongInt(JNIEnv* env, jclass cls, BIGNUM* a, long long dw) {
if (dw >= 0) return NativeBN_putULongInt(env, cls, a, dw, FALSE);
else return NativeBN_putULongInt(env, cls, a, -dw, TRUE);
}
/**
* public static native int BN_dec2bn(int, java.lang.String)
*/
static int NativeBN_BN_dec2bn(JNIEnv* env, jclass cls, BIGNUM* a, jstring str) {
if (!oneValidHandle(env, a)) return -1;
char* tmpStr = (char*)(*env)->GetStringUTFChars(env, str, NULL);
if (tmpStr != NULL) {
int len = BN_dec2bn(&a, tmpStr);
(*env)->ReleaseStringUTFChars(env, str, tmpStr);
return len; // len == 0: Error
}
else return -1; // Error outside BN.
}
/**
* public static native int BN_hex2bn(int, java.lang.String)
*/
static int NativeBN_BN_hex2bn(JNIEnv* env, jclass cls, BIGNUM* a, jstring str) {
if (!oneValidHandle(env, a)) return -1;
char* tmpStr = (char*)(*env)->GetStringUTFChars(env, str, NULL);
if (tmpStr != NULL) {
int len = BN_hex2bn(&a, tmpStr);
(*env)->ReleaseStringUTFChars(env, str, tmpStr);
return len; // len == 0: Error
}
else return -1; // Error outside BN.
}
/**
* public static native boolean BN_bin2bn(byte[], int, int, int)
*/
static jboolean NativeBN_BN_bin2bn(JNIEnv* env, jclass cls, jbyteArray arr, int len, jboolean neg, BIGNUM* ret) {
if (!oneValidHandle(env, ret)) return FALSE;
jboolean success;
unsigned char * tmpBytes;
tmpBytes = (unsigned char *)((*env)->GetPrimitiveArrayCritical(env, arr, 0));
if (tmpBytes != NULL) {
success = (BN_bin2bn(tmpBytes, len, ret) != NULL);
if (neg) {
BN_set_negative(ret, 1);
}
(*env)->ReleasePrimitiveArrayCritical(env, arr, tmpBytes, JNI_ABORT);
return success;
}
else return -1; // Error outside BN. mc FIXME: what to do in this case? Does JNI throw exception itself?
}
/**
* public static native boolean litEndInts2bn(int[], int, int, int)
* Note:
* This procedure directly writes the internal representation of BIGNUMs.
* We do so as there is no direct interface based on Little Endian Integer Arrays.
* Also note that the same representation is used in the Cordoba Java Implementation of BigIntegers,
* whereof certain functionality is still being used.
*/
static jboolean NativeBN_litEndInts2bn(JNIEnv* env, jclass cls, jintArray arr, int len, jboolean neg, BIGNUM* ret) {
if (!oneValidHandle(env, ret)) return FALSE;
bn_check_top(ret);
if (len > 0) {
BN_ULONG* tmpInts; // BN_ULONG is 4 Bytes on this system for sure, i.e. same as jint!
tmpInts = (BN_ULONG*)((*env)->GetPrimitiveArrayCritical(env, arr, 0));
if ((tmpInts != NULL) && (bn_wexpand(ret, len) != NULL)) {
int i = len; do { i--; ret->d[i] = tmpInts[i]; } while (i > 0);
(*env)->ReleasePrimitiveArrayCritical(env, arr, tmpInts, JNI_ABORT);
ret->top = len;
ret->neg = neg;
// need to call this due to clear byte at top if avoiding
// having the top bit set (-ve number)
// Basically get rid of top zero ints:
bn_correct_top(ret);
return TRUE;
}
else {
if (tmpInts != NULL)
(*env)->ReleasePrimitiveArrayCritical(env, arr, tmpInts, JNI_ABORT);
return FALSE;
}
}
else { // (len = 0) means value = 0 and sign will be 0, too.
ret->top = 0;
return TRUE;
}
}
#define BYTES2INT(bytes, k) \
( (bytes[k + 3] & 0xFF) \
| (bytes[k + 2] & 0xFF) << 8 \
| (bytes[k + 1] & 0xFF) << 16 \
| (bytes[k + 0] & 0xFF) << 24 )
static jboolean negBigEndianBytes2bn(JNIEnv* env, jclass cls, unsigned char* bytes, int bytesLen, BIGNUM* ret) {
// We rely on: (BN_BITS2 == 32), i.e. BN_ULONG is unsigned int and has 4 bytes:
//
bn_check_top(ret);
// FIXME: ASSERT (bytesLen > 0);
int intLen = (bytesLen + 3) / 4;
int firstNonzeroDigit = -2;
if (bn_wexpand(ret, intLen) != NULL) {
BN_ULONG* d = ret->d;
BN_ULONG di;
ret->top = intLen;
int highBytes = bytesLen % 4;
int k = bytesLen;
// Put bytes to the int array starting from the end of the byte array
int i = 0;
while (k > highBytes) {
k -= 4;
di = BYTES2INT(bytes, k);
if (di != 0) {
d[i] = -di;
firstNonzeroDigit = i;
i++;
while (k > highBytes) {
k -= 4;
d[i] = ~BYTES2INT(bytes, k);
i++;
}
break;
} else {
d[i] = 0;
i++;
}
}
if (highBytes != 0) {
di = -1;
// Put the first bytes in the highest element of the int array
if (firstNonzeroDigit != -2) {
for (k = 0; k < highBytes; k++) {
di = (di << 8) | (bytes[k] & 0xFF);
}
d[i] = ~di;
} else {
for (k = 0; k < highBytes; k++) {
di = (di << 8) | (bytes[k] & 0xFF);
}
d[i] = -di;
}
}
return TRUE;
}
else return FALSE;
}
/**
* public static native boolean twosComp2bn(byte[], int, int)
*/
static jboolean NativeBN_twosComp2bn(JNIEnv* env, jclass cls, jbyteArray arr, int bytesLen, BIGNUM* ret) {
if (!oneValidHandle(env, ret)) return FALSE;
jboolean success;
unsigned char* tmpBytes;
tmpBytes = (unsigned char*)((*env)->GetPrimitiveArrayCritical(env, arr, 0));
if (tmpBytes != NULL) {
if ((tmpBytes[0] & 0X80) == 0) { // Positive value!
//
// We can use the existing BN implementation for unsigned big endian bytes:
//
success = (BN_bin2bn(tmpBytes, bytesLen, ret) != NULL);
BN_set_negative(ret, FALSE);
}
else { // Negative value!
//
// We need to apply two's complement:
//
success = negBigEndianBytes2bn(env, cls, tmpBytes, bytesLen, ret);
BN_set_negative(ret, TRUE);
}
(*env)->ReleasePrimitiveArrayCritical(env, arr, tmpBytes, JNI_ABORT);
return success;
}
else return -1; // Error outside BN. mc FIXME: what to do in this case? Does JNI throw exception itself?
}
/**
* public static native long longInt(int)
*/
static long long NativeBN_longInt(JNIEnv* env, jclass cls, BIGNUM* a) {
if (!oneValidHandle(env, a)) return -1;
bn_check_top(a);
int intLen = a->top;
BN_ULONG* d = a->d;
switch (intLen) {
case 0:
return 0;
case 1:
if (!a->neg) return d[0] & 0X00000000FFFFFFFFLL;
else return -(d[0] & 0X00000000FFFFFFFFLL);
default:
if (!a->neg) return ((long long)d[1] << 32) | (d[0] & 0XFFFFFFFFLL);
else return -(((long long)d[1] << 32) | (d[0] & 0XFFFFFFFFLL));
}
}
static char* leadingZerosTrimmed(char* s) {
char* p = s;
if (*p == '-') {
p++;
while ((*p == '0') && (*(p + 1) != 0)) { p++; }
p--;
*p = '-';
} else {
while ((*p == '0') && (*(p + 1) != 0)) { p++; }
}
return p;
}
/**
* public static native java.lang.String BN_bn2dec(int)
*/
static jstring NativeBN_BN_bn2dec(JNIEnv* env, jclass cls, BIGNUM* a) {
if (!oneValidHandle(env, a)) return NULL;
char* tmpStr;
char* retStr;
tmpStr = BN_bn2dec(a);
if (tmpStr != NULL) {
retStr = leadingZerosTrimmed(tmpStr);
jstring returnJString = ((*env)->NewStringUTF(env, (mcSignednessBull)retStr));
OPENSSL_free(tmpStr);
return returnJString;
}
else return NULL;
}
/**
* public static native java.lang.String BN_bn2hex(int)
*/
static jstring NativeBN_BN_bn2hex(JNIEnv* env, jclass cls, BIGNUM* a) {
if (!oneValidHandle(env, a)) return NULL;
char* tmpStr;
char* retStr;
tmpStr = BN_bn2hex(a);
if (tmpStr != NULL) {
retStr = leadingZerosTrimmed(tmpStr);
jstring returnJString = ((*env)->NewStringUTF(env, (mcSignednessBull)retStr));
OPENSSL_free(tmpStr);
return returnJString;
}
else return NULL;
}
/**
* public static native byte[] BN_bn2bin(int, byte[])
*/
static jbyteArray NativeBN_BN_bn2bin(JNIEnv* env, jclass cls, BIGNUM* a, jbyteArray to) {
if (!oneValidHandle(env, a)) return NULL;
jbyteArray returnJBytes = to;
unsigned char * tmpBytes;
int len, byteCnt;
byteCnt = BN_num_bytes(a);
// FIXME: Currently ignoring array passed in to:
returnJBytes = (*env)->NewByteArray(env, byteCnt);
// FIXME: is it neccessary to check for returnJBytes != NULL?
tmpBytes = (unsigned char *)((*env)->GetPrimitiveArrayCritical(env, returnJBytes, NULL));
if (tmpBytes != NULL) {
len = BN_bn2bin(a, tmpBytes);
(*env)->ReleasePrimitiveArrayCritical(env, returnJBytes, tmpBytes, 0);
return returnJBytes;
}
else return NULL;
}
/**
* public static native int[] bn2litEndInts(int, int[])
* cf. litEndInts2bn
*/
static jintArray NativeBN_bn2litEndInts(JNIEnv* env, jclass cls, BIGNUM* a, jintArray to) {
if (!oneValidHandle(env, a)) return NULL;
jintArray returnJInts = to;
bn_check_top(a);
int len = a->top;
if (len > 0) {
// FIXME: Currently ignoring array passed in to:
returnJInts = (*env)->NewIntArray(env, len);
// FIXME: is it neccessary to check for returnJBytes != NULL?
BN_ULONG* tmpInts = (BN_ULONG*)((*env)->GetPrimitiveArrayCritical(env, returnJInts, NULL));
if (tmpInts != NULL) {
int i = len; do { i--; tmpInts[i] = a->d[i]; } while (i > 0);
(*env)->ReleasePrimitiveArrayCritical(env, returnJInts, tmpInts, 0);
return returnJInts;
}
else return NULL;
}
else { // value = 0
return NULL; // Client should not call when sign = 0!
}
}
/**
* public static native int sign(int)
*/
static int NativeBN_sign(JNIEnv* env, jclass cls, BIGNUM* a) {
if (!oneValidHandle(env, a)) return -2;
if (BN_is_zero(a)) return 0;
else if (BN_is_negative(a)) return -1;
else return 1;
}
/**
* public static native void BN_set_negative(int, int)
*/
static void NativeBN_BN_set_negative(JNIEnv* env, jclass cls, BIGNUM* b, int n) {
if (!oneValidHandle(env, b)) return;
BN_set_negative(b, n);
}
/**
* public static native int bitLength(int)
*/
static int NativeBN_bitLength(JNIEnv* env, jclass cls, BIGNUM* a) {
// We rely on: (BN_BITS2 == 32), i.e. BN_ULONG is unsigned int and has 4 bytes:
//
if (!oneValidHandle(env, a)) return FALSE;
bn_check_top(a);
int intLen = a->top;
if (intLen == 0) return 0;
BN_ULONG* d = a->d;
int i = intLen - 1;
BN_ULONG msd = d[i]; // most significant digit
if (a->neg) {
// Handle negative values correctly:
// i.e. decrement the msd if all other digits are 0:
// while ((i > 0) && (d[i] != 0)) { i--; }
do { i--; } while (!((i < 0) || (d[i] != 0)));
if (i < 0) msd--; // Only if all lower significant digits are 0 we decrement the most significant one.
}
return (intLen - 1) * 32 + BN_num_bits_word(msd);
}
/**
* public static native boolean BN_is_bit_set(int, int)
*/
static jboolean NativeBN_BN_is_bit_set(JNIEnv* env, jclass cls, BIGNUM* a, int n) {
if (!oneValidHandle(env, a)) return FALSE;
return (jboolean)BN_is_bit_set(a, n);
}
/**
* public static native void modifyBit(int, int, int)
*/
static jboolean NativeBN_modifyBit(JNIEnv* env, jclass cls, BIGNUM* a, int n, int op) {
// LOGD("NativeBN_BN_modifyBit");
if (!oneValidHandle(env, a)) return FALSE;
switch (op) {
case 1: return BN_set_bit(a, n);
case 0: return BN_clear_bit(a, n);
case -1:
if (BN_is_bit_set(a, n)) return BN_clear_bit(a, n);
else return BN_set_bit(a, n);
}
return FALSE;
}
/**
* public static native int BN_lshift(int, int, int)
*/
static jboolean NativeBN_BN_lshift(JNIEnv* env, jclass cls, BIGNUM* r, BIGNUM* a, int n) {
// LOGD("NativeBN_BN_lshift %p %p %d", r, a, n);
if (!twoValidHandles(env, r, a)) return FALSE;
if (n >= 0) return BN_lshift(r, a, n);
n = -n;
// return BN_rshift(r, a, n);
// Following code insourced from bn_shift.c in order to have bug fixed:
// FIXME: Should report to openssl team!!!
int i,j,nw,lb,rb;
BN_ULONG *t,*f;
BN_ULONG l,tmp;
bn_check_top(r);
bn_check_top(a);
nw=n/BN_BITS2;
rb=n%BN_BITS2;
lb=BN_BITS2-rb;
// Changed "nw > a->top || a->top == 0" to nw >= a->top" as considering this a bug:
if (nw >= a->top)
{
BN_zero(r);
return(1);
}
if (r != a)
{
r->neg=a->neg;
if (bn_wexpand(r,a->top-nw+1) == NULL) return(0);
}
else
{
if (n == 0)
return 1; /* or the copying loop will go berserk */
}
f= &(a->d[nw]);
t=r->d;
j=a->top-nw;
r->top=j;
if (rb == 0)
{
for (i=j; i != 0; i--)
*(t++)= *(f++);
}
else
{
l= *(f++);
for (i=j-1; i != 0; i--)
{
tmp =(l>>rb)&BN_MASK2;
l= *(f++);
*(t++) =(tmp|(l<<lb))&BN_MASK2;
}
*(t++) =(l>>rb)&BN_MASK2;
}
bn_correct_top(r);
bn_check_top(r);
return(1);
}
/**
* public static native boolean BN_add_word(int, int)
*/
static jboolean NativeBN_BN_add_word(JNIEnv* env, jclass cls, BIGNUM *a, BN_ULONG w) {
if (!oneValidHandle(env, a)) return FALSE;
return BN_add_word(a, w);
}
/**
* public static native boolean BN_sub_word(int, int)
*/
static jboolean NativeBN_BN_sub_word(JNIEnv* env, jclass cls, BIGNUM *a, BN_ULONG w) {
if (!oneValidHandle(env, a)) return FALSE;
return BN_sub_word(a, w);
}
/**
* public static native boolean BN_mul_word(int, int)
*/
static jboolean NativeBN_BN_mul_word(JNIEnv* env, jclass cls, BIGNUM *a, BN_ULONG w) {
if (!oneValidHandle(env, a)) return FALSE;
return BN_mul_word(a, w);
}
/**
* public static native boolean BN_div_word(int, int)
*/
static BN_ULONG NativeBN_BN_div_word(JNIEnv* env, jclass cls, BIGNUM *a, BN_ULONG w) {
if (!oneValidHandle(env, a)) return FALSE;
return BN_div_word(a, w);
}
/**
* public static native boolean BN_mod_word(int, int)
*/
static BN_ULONG NativeBN_BN_mod_word(JNIEnv* env, jclass cls, BIGNUM *a, BN_ULONG w) {
if (!oneValidHandle(env, a)) return FALSE;
return BN_mod_word(a, w);
}
/**
* public static native int BN_add(int, int, int)
*/
static jboolean NativeBN_BN_add(JNIEnv* env, jclass cls, BIGNUM* r, BIGNUM* a, BIGNUM* b) {
if (!threeValidHandles(env, r, a, b)) return FALSE;
return BN_add(r, a, b);
}
/**
* public static native int BN_sub(int, int, int)
*/
static jboolean NativeBN_BN_sub(JNIEnv* env, jclass cls, BIGNUM* r, BIGNUM* a, BIGNUM* b) {
if (!threeValidHandles(env, r, a, b)) return FALSE;
return BN_sub(r, a, b);
}
/**
* public static native int BN_gcd(int, int, int, int)
*/
static jboolean NativeBN_BN_gcd(JNIEnv* env, jclass cls, BIGNUM* r, BIGNUM* a, BIGNUM* b, BN_CTX* ctx) {
if (!threeValidHandles(env, r, a, b)) return FALSE;
return BN_gcd(r, a, b, ctx);
}
/**
* public static native int BN_mul(int, int, int, int)
*/
static jboolean NativeBN_BN_mul(JNIEnv* env, jclass cls, BIGNUM* r, BIGNUM* a, BIGNUM* b, BN_CTX* ctx) {
if (!threeValidHandles(env, r, a, b)) return FALSE;
return BN_mul(r, a, b, ctx);
}
/**
* public static native int BN_exp(int, int, int, int)
*/
static jboolean NativeBN_BN_exp(JNIEnv* env, jclass cls, BIGNUM* r, BIGNUM* a, BIGNUM* p, BN_CTX* ctx) {
if (!threeValidHandles(env, r, a, p)) return FALSE;
return BN_exp(r, a, p, ctx);
}
/**
* public static native boolean BN_div(int, int, int, int, int)
*/
static jboolean NativeBN_BN_div(JNIEnv* env, jclass cls, BIGNUM* dv, BIGNUM* rem, BIGNUM* m, BIGNUM* d, BN_CTX* ctx) {
if (!fourValidHandles(env, (rem ? rem : dv), (dv ? dv : rem), m, d)) return FALSE;
return BN_div(dv, rem, m, d, ctx);
}
/**
* public static native int BN_nnmod(int, int, int, int)
*/
static jboolean NativeBN_BN_nnmod(JNIEnv* env, jclass cls, BIGNUM* r, BIGNUM* a, BIGNUM* m, BN_CTX* ctx) {
if (!threeValidHandles(env, r, a, m)) return FALSE;
return BN_nnmod(r, a, m, ctx);
}
/**
* public static native int BN_mod_exp(int, int, int, int, int)
*/
static jboolean NativeBN_BN_mod_exp(JNIEnv* env, jclass cls, BIGNUM* r, BIGNUM* a, BIGNUM* p, BIGNUM* m, BN_CTX* ctx) {
if (!fourValidHandles(env, r, a, p, m)) return FALSE;
return BN_mod_exp(r, a, p, m, ctx);
}
/**
* public static native int BN_mod_inverse(int, int, int, int)
*/
static jboolean NativeBN_BN_mod_inverse(JNIEnv* env, jclass cls, BIGNUM* ret, BIGNUM* a, BIGNUM* n, BN_CTX* ctx) {
if (!threeValidHandles(env, ret, a, n)) return FALSE;
return (BN_mod_inverse(ret, a, n, ctx) != NULL);
}
/**
* public static native int BN_generate_prime_ex(int, int, boolean, int, int, int)
*/
static jboolean NativeBN_BN_generate_prime_ex(JNIEnv* env, jclass cls, BIGNUM* ret, int bits, jboolean safe,
BIGNUM* add, BIGNUM* rem, jint cb) {
if (!oneValidHandle(env, ret)) return FALSE;
return BN_generate_prime_ex(ret, bits, safe, add, rem, cb);
}
/**
* public static native int BN_mod_inverse(int, int, int, int)
*/
static jboolean NativeBN_BN_is_prime_ex(JNIEnv* env, jclass cls, BIGNUM* p, int nchecks, BN_CTX* ctx, jint cb) {
if (!oneValidHandle(env, p)) return FALSE;
return BN_is_prime_ex(p, nchecks, ctx, cb);
}
/**
* Defines the mapping from Java methods and their signatures
* to native functions. Order is Java name, Java signature,
* then pointer to C function.
*/
static JNINativeMethod METHODS[] = {
{ "ERR_get_error", "()I", (void*)NativeBN_ERR_get_error },
{ "ERR_error_string", "(I)Ljava/lang/String;", (void*)NativeBN_ERR_error_string },
{ "BN_CTX_new", "()I", (void*)NativeBN_BN_CTX_new },
{ "BN_new", "()I", (void*)NativeBN_BN_new },
{ "BN_free", "(I)V", (void*)NativeBN_BN_free },
{ "BN_cmp", "(II)I", (void*)NativeBN_BN_cmp },
{ "BN_copy", "(II)Z", (void*)NativeBN_BN_copy },
{ "putLongInt", "(IJ)Z", (void*)NativeBN_putLongInt },
{ "putULongInt", "(IJZ)Z", (void*)NativeBN_putULongInt },
{ "BN_dec2bn", "(ILjava/lang/String;)I", (void*)NativeBN_BN_dec2bn },
{ "BN_hex2bn", "(ILjava/lang/String;)I", (void*)NativeBN_BN_hex2bn },
{ "BN_bin2bn", "([BIZI)Z", (void*)NativeBN_BN_bin2bn },
{ "litEndInts2bn", "([IIZI)Z", (void*)NativeBN_litEndInts2bn },
{ "twosComp2bn", "([BII)Z", (void*)NativeBN_twosComp2bn },
{ "longInt", "(I)J", (void*)NativeBN_longInt },
{ "BN_bn2dec", "(I)Ljava/lang/String;", (void*)NativeBN_BN_bn2dec },
{ "BN_bn2hex", "(I)Ljava/lang/String;", (void*)NativeBN_BN_bn2hex },
{ "BN_bn2bin", "(I[B)[B", (void*)NativeBN_BN_bn2bin },
{ "bn2litEndInts", "(I[I)[I", (void*)NativeBN_bn2litEndInts },
{ "sign", "(I)I", (void*)NativeBN_sign },
{ "BN_set_negative", "(II)V", (void*)NativeBN_BN_set_negative },
{ "bitLength", "(I)I", (void*)NativeBN_bitLength },
{ "BN_is_bit_set", "(II)Z", (void*)NativeBN_BN_is_bit_set },
{ "modifyBit", "(III)Z", (void*)NativeBN_modifyBit },
{ "BN_lshift", "(III)Z", (void*)NativeBN_BN_lshift },
{ "BN_add_word", "(II)Z", (void*)NativeBN_BN_add_word },
{ "BN_sub_word", "(II)Z", (void*)NativeBN_BN_sub_word },
{ "BN_mul_word", "(II)Z", (void*)NativeBN_BN_mul_word },
{ "BN_div_word", "(II)I", (void*)NativeBN_BN_div_word },
{ "BN_mod_word", "(II)I", (void*)NativeBN_BN_mod_word },
{ "BN_add", "(III)Z", (void*)NativeBN_BN_add },
{ "BN_sub", "(III)Z", (void*)NativeBN_BN_sub },
{ "BN_gcd", "(IIII)Z", (void*)NativeBN_BN_gcd },
{ "BN_mul", "(IIII)Z", (void*)NativeBN_BN_mul },
{ "BN_exp", "(IIII)Z", (void*)NativeBN_BN_exp },
{ "BN_div", "(IIIII)Z", (void*)NativeBN_BN_div },
{ "BN_nnmod", "(IIII)Z", (void*)NativeBN_BN_nnmod },
{ "BN_mod_exp", "(IIIII)Z", (void*)NativeBN_BN_mod_exp },
{ "BN_mod_inverse", "(IIII)Z", (void*)NativeBN_BN_mod_inverse },
{ "BN_generate_prime_ex", "(IIZIII)Z", (void*)NativeBN_BN_generate_prime_ex },
{ "BN_is_prime_ex", "(IIII)Z", (void*)NativeBN_BN_is_prime_ex }
};
int register_org_openssl_NativeBN(JNIEnv* env) {
return jniRegisterNativeMethods(env, "org/openssl/NativeBN", METHODS, NELEM(METHODS));
}