| /* |
| * 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. |
| */ |
| |
| package java.math; |
| |
| final class NativeBN { |
| |
| public static native long BN_new(); |
| // BIGNUM *BN_new(void); |
| |
| public static native void BN_free(long a); |
| // void BN_free(BIGNUM *a); |
| |
| public static native int BN_cmp(long a, long b); |
| // int BN_cmp(const BIGNUM *a, const BIGNUM *b); |
| |
| public static native void BN_copy(long to, long from); |
| // BIGNUM *BN_copy(BIGNUM *to, const BIGNUM *from); |
| |
| public static native void putLongInt(long a, long dw); |
| public static native void putULongInt(long a, long dw, boolean neg); |
| |
| public static native int BN_dec2bn(long a, String str); |
| // int BN_dec2bn(BIGNUM **a, const char *str); |
| |
| public static native int BN_hex2bn(long a, String str); |
| // int BN_hex2bn(BIGNUM **a, const char *str); |
| |
| public static native void BN_bin2bn(byte[] s, int len, boolean neg, long ret); |
| // BIGNUM * BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret); |
| // BN-Docu: s is taken as unsigned big endian; |
| // Additional parameter: neg. |
| |
| public static native void litEndInts2bn(int[] ints, int len, boolean neg, long ret); |
| |
| public static native void twosComp2bn(byte[] s, int len, long ret); |
| |
| |
| public static native long longInt(long a); |
| // unsigned long BN_get_word(BIGNUM *a); |
| |
| public static native String BN_bn2dec(long a); |
| // char * BN_bn2dec(const BIGNUM *a); |
| |
| public static native String BN_bn2hex(long a); |
| // char * BN_bn2hex(const BIGNUM *a); |
| |
| public static native byte[] BN_bn2bin(long a); |
| // Returns result byte[] AND NOT length. |
| // int BN_bn2bin(const BIGNUM *a, unsigned char *to); |
| |
| public static native int[] bn2litEndInts(long a); |
| |
| public static native int sign(long a); |
| // Returns -1, 0, 1 AND NOT boolean. |
| // #define BN_is_negative(a) ((a)->neg != 0) |
| |
| public static native void BN_set_negative(long b, int n); |
| // void BN_set_negative(BIGNUM *b, int n); |
| |
| public static native int bitLength(long a); |
| |
| public static native boolean BN_is_bit_set(long a, int n); |
| // int BN_is_bit_set(const BIGNUM *a, int n); |
| |
| public static native void BN_shift(long r, long a, int n); |
| // int BN_shift(BIGNUM *r, const BIGNUM *a, int n); |
| |
| public static native void BN_add_word(long a, int w); |
| // ATTENTION: w is treated as unsigned. |
| // int BN_add_word(BIGNUM *a, BN_ULONG w); |
| |
| public static native void BN_mul_word(long a, int w); |
| // ATTENTION: w is treated as unsigned. |
| // int BN_mul_word(BIGNUM *a, BN_ULONG w); |
| |
| public static native int BN_mod_word(long a, int w); |
| // ATTENTION: w is treated as unsigned. |
| // BN_ULONG BN_mod_word(BIGNUM *a, BN_ULONG w); |
| |
| public static native void BN_add(long r, long a, long b); |
| // int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); |
| |
| public static native void BN_sub(long r, long a, long b); |
| // int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); |
| |
| public static native void BN_gcd(long r, long a, long b); |
| // int BN_gcd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); |
| |
| public static native void BN_mul(long r, long a, long b); |
| // int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); |
| |
| public static native void BN_exp(long r, long a, long p); |
| // int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx); |
| |
| public static native void BN_div(long dv, long rem, long m, long d); |
| // int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx); |
| |
| public static native void BN_nnmod(long r, long a, long m); |
| // int BN_nnmod(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx); |
| |
| public static native void BN_mod_exp(long r, long a, long p, long m); |
| // int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx); |
| |
| public static native void BN_mod_inverse(long ret, long a, long n); |
| // BIGNUM * BN_mod_inverse(BIGNUM *ret, const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx); |
| |
| |
| public static native void BN_generate_prime_ex(long ret, int bits, boolean safe, |
| long add, long rem); |
| // int BN_generate_prime_ex(BIGNUM *ret, int bits, int safe, |
| // const BIGNUM *add, const BIGNUM *rem, BN_GENCB *cb); |
| |
| public static native boolean BN_primality_test(long candidate, int checks, |
| boolean do_trial_division); |
| // int BN_primality_test(int *is_probably_prime, const BIGNUM *candidate, int checks, |
| // BN_CTX *ctx, int do_trial_division, BN_GENCB *cb); |
| // Returns *is_probably_prime on success and throws an exception on error. |
| |
| public static native long getNativeFinalizer(); |
| // &BN_free |
| |
| } |