| /* |
| * 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 org.openssl; |
| |
| public class NativeBN { |
| |
| public static native int ERR_get_error(); |
| // unsigned long ERR_get_error(void); |
| |
| public static native String ERR_error_string(int e); |
| // char *ERR_error_string(unsigned long e, char *buf); |
| |
| public static native int BN_CTX_new(); |
| // BN_CTX *BN_CTX_new(void); |
| |
| public static native int BN_new(); |
| // BIGNUM *BN_new(void); |
| |
| public static native void BN_free(int a); |
| // void BN_free(BIGNUM *a); |
| |
| public static native int BN_cmp(int a, int b); |
| // int BN_cmp(const BIGNUM *a, const BIGNUM *b); |
| |
| public static native boolean BN_copy(int to, int from); |
| // Returns boolean success AND NOT result BIGNUM handle! |
| // BIGNUM *BN_copy(BIGNUM *to, const BIGNUM *from); |
| // public static native int BN_dup(int from); |
| // BIGNUM *BN_dup(const BIGNUM *a); |
| |
| |
| public static native boolean putLongInt(int a, long dw); |
| |
| public static native boolean putULongInt(int a, long dw, boolean neg); |
| |
| public static native int BN_dec2bn(int a, String str); |
| // int BN_dec2bn(BIGNUM **a, const char *str); |
| |
| public static native int BN_hex2bn(int a, String str); |
| // int BN_hex2bn(BIGNUM **a, const char *str); |
| |
| public static native boolean BN_bin2bn(byte[] s, int len, boolean neg, int ret); |
| // Returns boolean success AND NOT result BIGNUM handle! |
| // 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 boolean litEndInts2bn(int[] ints, int len, boolean neg, int ret); |
| |
| public static native boolean twosComp2bn(byte[] s, int len, int ret); |
| |
| |
| public static native long longInt(int a); |
| // unsigned long BN_get_word(BIGNUM *a); |
| |
| public static native String BN_bn2dec(int a); |
| // char * BN_bn2dec(const BIGNUM *a); |
| |
| public static native String BN_bn2hex(int a); |
| // char * BN_bn2hex(const BIGNUM *a); |
| |
| public static native byte[] BN_bn2bin(int a, byte[] to); |
| // Returns result byte[] AND NOT length. |
| // int BN_bn2bin(const BIGNUM *a, unsigned char *to); |
| |
| public static native int[] bn2litEndInts(int a, int[] to); |
| |
| public static native int sign(int a); |
| // Returns -1, 0, 1 AND NOT boolean. |
| // #define BN_is_negative(a) ((a)->neg != 0) |
| |
| public static native void BN_set_negative(int b, int n); |
| // void BN_set_negative(BIGNUM *b, int n); |
| |
| |
| public static native boolean twosCompFitsIntoBytes(int a, int byteCnt); |
| |
| public static native int bitLength(int a); |
| |
| public static native boolean BN_is_bit_set(int a, int n); |
| // int BN_is_bit_set(const BIGNUM *a, int n); |
| |
| public static native boolean modifyBit(int a, int n, int op); |
| // Returns boolean success. |
| // op: 0 = reset; 1 = set; -1 = flip |
| // uses BN_set_bit(), BN_clear_bit() and BN_is_bit_set() |
| |
| public static native boolean BN_lshift(int r, int a, int n); |
| // int BN_lshift(BIGNUM *r, const BIGNUM *a, int n); |
| // public static native int BN_rshift(BigInteger r, BigInteger a, int n); |
| // int BN_rshift(BIGNUM *r, const BIGNUM *a, int n); |
| |
| |
| public static native boolean BN_add_word(int a, int w); |
| // ATTENTION: w is treated as unsigned. |
| // int BN_add_word(BIGNUM *a, BN_ULONG w); |
| |
| public static native boolean BN_sub_word(int a, int w); |
| // ATTENTION: w is treated as unsigned. |
| // int BN_sub_word(BIGNUM *a, BN_ULONG w); |
| |
| public static native boolean BN_mul_word(int a, int w); |
| // ATTENTION: w is treated as unsigned. |
| // int BN_mul_word(BIGNUM *a, BN_ULONG w); |
| |
| public static native int BN_div_word(int a, int w); |
| // ATTENTION: w is treated as unsigned. |
| // BN_ULONG BN_div_word(BIGNUM *a, BN_ULONG w); |
| |
| public static native int BN_mod_word(int a, int w); |
| // ATTENTION: w is treated as unsigned. |
| // BN_ULONG BN_mod_word(BIGNUM *a, BN_ULONG w); |
| |
| public static native boolean BN_add(int r, int a, int b); |
| // int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); |
| |
| public static native boolean BN_sub(int r, int a, int b); |
| // int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); |
| |
| |
| public static native boolean BN_gcd(int r, int a, int b, int ctx); |
| // int BN_gcd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); |
| |
| public static native boolean BN_mul(int r, int a, int b, int ctx); |
| // int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); |
| |
| public static native boolean BN_exp(int r, int a, int p, int ctx); |
| // int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx); |
| |
| // OPTIONAL: |
| // public static native int BN_sqr(BigInteger r, BigInteger a, BN_CTX ctx); |
| // int BN_sqr(BIGNUM *r, const BIGNUM *a,BN_CTX *ctx); |
| |
| public static native boolean BN_div(int dv, int rem, int m, int d, int ctx); |
| // int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx); |
| |
| public static native boolean BN_nnmod(int r, int a, int m, int ctx); |
| // int BN_nnmod(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx); |
| |
| public static native boolean BN_mod_exp(int r, int a, int p, int m, int ctx); |
| // int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx); |
| |
| // OPTIONAL: |
| // public static native boolean BN_mod_sqr(BigInteger r, BigInteger a, BigInteger m, BN_CTX ctx); |
| // int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx); |
| |
| |
| public static native boolean BN_mod_inverse(int ret, int a, int n, int ctx); |
| // Returns boolean success AND NOT result BIGNUM handle! |
| // BIGNUM * BN_mod_inverse(BIGNUM *ret, const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx); |
| |
| |
| public static native boolean BN_generate_prime_ex(int ret, int bits, boolean safe, |
| int add, int rem, int cb); |
| // 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_is_prime_ex(int p, int nchecks, int ctx, int cb); |
| // int BN_is_prime_ex(const BIGNUM *p, int nchecks, BN_CTX *ctx, BN_GENCB *cb); |
| |
| // OPTIONAL: |
| // int BN_is_prime_fasttest_ex(const BIGNUM *p, int nchecks, BN_CTX *ctx, |
| // int do_trial_division, BN_GENCB *cb); |
| |
| // RAND_add(rnd); |
| |
| } |