4 #include "org_bitcoin_NativeSecp256k1.h"
5 #include "include/secp256k1.h"
6 #include "include/secp256k1_ecdh.h"
7 #include "include/secp256k1_recovery.h"
10 SECP256K1_API jlong JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1ctx_1clone
11 (JNIEnv* env, jclass classObject, jlong ctx_l)
13 const secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
15 jlong ctx_clone_l = (uintptr_t) secp256k1_context_clone(ctx);
17 (void)classObject;(void)env;
23 SECP256K1_API jint JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1context_1randomize
24 (JNIEnv* env, jclass classObject, jobject byteBufferObject, jlong ctx_l)
26 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
28 const unsigned char* seed = (unsigned char*) (*env)->GetDirectBufferAddress(env, byteBufferObject);
32 return secp256k1_context_randomize(ctx, seed);
36 SECP256K1_API void JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1destroy_1context
37 (JNIEnv* env, jclass classObject, jlong ctx_l)
39 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
41 secp256k1_context_destroy(ctx);
43 (void)classObject;(void)env;
46 SECP256K1_API jint JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1ecdsa_1verify
47 (JNIEnv* env, jclass classObject, jobject byteBufferObject, jlong ctx_l, jint siglen, jint publen)
49 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
51 unsigned char* data = (unsigned char*) (*env)->GetDirectBufferAddress(env, byteBufferObject);
52 const unsigned char* sigdata = { (unsigned char*) (data + 32) };
53 const unsigned char* pubdata = { (unsigned char*) (data + siglen + 32) };
55 secp256k1_ecdsa_signature sig;
56 secp256k1_pubkey pubkey;
58 int ret = secp256k1_ecdsa_signature_parse_der(ctx, &sig, sigdata, siglen);
61 ret = secp256k1_ec_pubkey_parse(ctx, &pubkey, pubdata, publen);
64 ret = secp256k1_ecdsa_verify(ctx, &sig, data, &pubkey);
73 SECP256K1_API jobjectArray JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1ecdsa_1sign
74 (JNIEnv* env, jclass classObject, jobject byteBufferObject, jlong ctx_l)
76 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
77 unsigned char* data = (unsigned char*) (*env)->GetDirectBufferAddress(env, byteBufferObject);
78 unsigned char* secKey = (unsigned char*) (data + 32);
80 jobjectArray retArray;
81 jbyteArray sigArray, intsByteArray;
82 unsigned char intsarray[2];
84 secp256k1_ecdsa_signature sig;
86 int ret = secp256k1_ecdsa_sign(ctx, &sig, data, secKey, NULL, NULL);
88 unsigned char outputSer[72];
89 size_t outputLen = 72;
92 int ret2 = secp256k1_ecdsa_signature_serialize_der(ctx,outputSer, &outputLen, &sig ); (void)ret2;
95 intsarray[0] = outputLen;
98 retArray = (*env)->NewObjectArray(env, 2,
99 (*env)->FindClass(env, "[B"),
100 (*env)->NewByteArray(env, 1));
102 sigArray = (*env)->NewByteArray(env, outputLen);
103 (*env)->SetByteArrayRegion(env, sigArray, 0, outputLen, (jbyte*)outputSer);
104 (*env)->SetObjectArrayElement(env, retArray, 0, sigArray);
106 intsByteArray = (*env)->NewByteArray(env, 2);
107 (*env)->SetByteArrayRegion(env, intsByteArray, 0, 2, (jbyte*)intsarray);
108 (*env)->SetObjectArrayElement(env, retArray, 1, intsByteArray);
115 SECP256K1_API jint JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1ec_1seckey_1verify
116 (JNIEnv* env, jclass classObject, jobject byteBufferObject, jlong ctx_l)
118 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
119 unsigned char* secKey = (unsigned char*) (*env)->GetDirectBufferAddress(env, byteBufferObject);
123 return secp256k1_ec_seckey_verify(ctx, secKey);
126 SECP256K1_API jobjectArray JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1ec_1pubkey_1create
127 (JNIEnv* env, jclass classObject, jobject byteBufferObject, jlong ctx_l)
129 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
130 const unsigned char* secKey = (unsigned char*) (*env)->GetDirectBufferAddress(env, byteBufferObject);
132 secp256k1_pubkey pubkey;
134 jobjectArray retArray;
135 jbyteArray pubkeyArray, intsByteArray;
136 unsigned char intsarray[2];
138 int ret = secp256k1_ec_pubkey_create(ctx, &pubkey, secKey);
140 unsigned char outputSer[65];
141 size_t outputLen = 65;
144 int ret2 = secp256k1_ec_pubkey_serialize(ctx,outputSer, &outputLen, &pubkey,SECP256K1_EC_UNCOMPRESSED );(void)ret2;
147 intsarray[0] = outputLen;
150 retArray = (*env)->NewObjectArray(env, 2,
151 (*env)->FindClass(env, "[B"),
152 (*env)->NewByteArray(env, 1));
154 pubkeyArray = (*env)->NewByteArray(env, outputLen);
155 (*env)->SetByteArrayRegion(env, pubkeyArray, 0, outputLen, (jbyte*)outputSer);
156 (*env)->SetObjectArrayElement(env, retArray, 0, pubkeyArray);
158 intsByteArray = (*env)->NewByteArray(env, 2);
159 (*env)->SetByteArrayRegion(env, intsByteArray, 0, 2, (jbyte*)intsarray);
160 (*env)->SetObjectArrayElement(env, retArray, 1, intsByteArray);
168 SECP256K1_API jobjectArray JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1privkey_1tweak_1add
169 (JNIEnv* env, jclass classObject, jobject byteBufferObject, jlong ctx_l)
171 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
172 unsigned char* privkey = (unsigned char*) (*env)->GetDirectBufferAddress(env, byteBufferObject);
173 const unsigned char* tweak = (unsigned char*) (privkey + 32);
175 jobjectArray retArray;
176 jbyteArray privArray, intsByteArray;
177 unsigned char intsarray[2];
181 int ret = secp256k1_ec_privkey_tweak_add(ctx, privkey, tweak);
183 intsarray[0] = privkeylen;
186 retArray = (*env)->NewObjectArray(env, 2,
187 (*env)->FindClass(env, "[B"),
188 (*env)->NewByteArray(env, 1));
190 privArray = (*env)->NewByteArray(env, privkeylen);
191 (*env)->SetByteArrayRegion(env, privArray, 0, privkeylen, (jbyte*)privkey);
192 (*env)->SetObjectArrayElement(env, retArray, 0, privArray);
194 intsByteArray = (*env)->NewByteArray(env, 2);
195 (*env)->SetByteArrayRegion(env, intsByteArray, 0, 2, (jbyte*)intsarray);
196 (*env)->SetObjectArrayElement(env, retArray, 1, intsByteArray);
203 SECP256K1_API jobjectArray JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1privkey_1tweak_1mul
204 (JNIEnv* env, jclass classObject, jobject byteBufferObject, jlong ctx_l)
206 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
207 unsigned char* privkey = (unsigned char*) (*env)->GetDirectBufferAddress(env, byteBufferObject);
208 const unsigned char* tweak = (unsigned char*) (privkey + 32);
210 jobjectArray retArray;
211 jbyteArray privArray, intsByteArray;
212 unsigned char intsarray[2];
216 int ret = secp256k1_ec_privkey_tweak_mul(ctx, privkey, tweak);
218 intsarray[0] = privkeylen;
221 retArray = (*env)->NewObjectArray(env, 2,
222 (*env)->FindClass(env, "[B"),
223 (*env)->NewByteArray(env, 1));
225 privArray = (*env)->NewByteArray(env, privkeylen);
226 (*env)->SetByteArrayRegion(env, privArray, 0, privkeylen, (jbyte*)privkey);
227 (*env)->SetObjectArrayElement(env, retArray, 0, privArray);
229 intsByteArray = (*env)->NewByteArray(env, 2);
230 (*env)->SetByteArrayRegion(env, intsByteArray, 0, 2, (jbyte*)intsarray);
231 (*env)->SetObjectArrayElement(env, retArray, 1, intsByteArray);
238 SECP256K1_API jobjectArray JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1pubkey_1tweak_1add
239 (JNIEnv* env, jclass classObject, jobject byteBufferObject, jlong ctx_l, jint publen)
241 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
242 /* secp256k1_pubkey* pubkey = (secp256k1_pubkey*) (*env)->GetDirectBufferAddress(env, byteBufferObject);*/
243 unsigned char* pkey = (*env)->GetDirectBufferAddress(env, byteBufferObject);
244 const unsigned char* tweak = (unsigned char*) (pkey + publen);
246 jobjectArray retArray;
247 jbyteArray pubArray, intsByteArray;
248 unsigned char intsarray[2];
249 unsigned char outputSer[65];
250 size_t outputLen = 65;
252 secp256k1_pubkey pubkey;
253 int ret = secp256k1_ec_pubkey_parse(ctx, &pubkey, pkey, publen);
256 ret = secp256k1_ec_pubkey_tweak_add(ctx, &pubkey, tweak);
260 int ret2 = secp256k1_ec_pubkey_serialize(ctx,outputSer, &outputLen, &pubkey,SECP256K1_EC_UNCOMPRESSED );(void)ret2;
263 intsarray[0] = outputLen;
266 retArray = (*env)->NewObjectArray(env, 2,
267 (*env)->FindClass(env, "[B"),
268 (*env)->NewByteArray(env, 1));
270 pubArray = (*env)->NewByteArray(env, outputLen);
271 (*env)->SetByteArrayRegion(env, pubArray, 0, outputLen, (jbyte*)outputSer);
272 (*env)->SetObjectArrayElement(env, retArray, 0, pubArray);
274 intsByteArray = (*env)->NewByteArray(env, 2);
275 (*env)->SetByteArrayRegion(env, intsByteArray, 0, 2, (jbyte*)intsarray);
276 (*env)->SetObjectArrayElement(env, retArray, 1, intsByteArray);
283 SECP256K1_API jobjectArray JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1pubkey_1tweak_1mul
284 (JNIEnv* env, jclass classObject, jobject byteBufferObject, jlong ctx_l, jint publen)
286 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
287 unsigned char* pkey = (*env)->GetDirectBufferAddress(env, byteBufferObject);
288 const unsigned char* tweak = (unsigned char*) (pkey + publen);
290 jobjectArray retArray;
291 jbyteArray pubArray, intsByteArray;
292 unsigned char intsarray[2];
293 unsigned char outputSer[65];
294 size_t outputLen = 65;
296 secp256k1_pubkey pubkey;
297 int ret = secp256k1_ec_pubkey_parse(ctx, &pubkey, pkey, publen);
300 ret = secp256k1_ec_pubkey_tweak_mul(ctx, &pubkey, tweak);
304 int ret2 = secp256k1_ec_pubkey_serialize(ctx,outputSer, &outputLen, &pubkey,SECP256K1_EC_UNCOMPRESSED );(void)ret2;
307 intsarray[0] = outputLen;
310 retArray = (*env)->NewObjectArray(env, 2,
311 (*env)->FindClass(env, "[B"),
312 (*env)->NewByteArray(env, 1));
314 pubArray = (*env)->NewByteArray(env, outputLen);
315 (*env)->SetByteArrayRegion(env, pubArray, 0, outputLen, (jbyte*)outputSer);
316 (*env)->SetObjectArrayElement(env, retArray, 0, pubArray);
318 intsByteArray = (*env)->NewByteArray(env, 2);
319 (*env)->SetByteArrayRegion(env, intsByteArray, 0, 2, (jbyte*)intsarray);
320 (*env)->SetObjectArrayElement(env, retArray, 1, intsByteArray);
327 SECP256K1_API jlong JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1ecdsa_1pubkey_1combine
328 (JNIEnv * env, jclass classObject, jobject byteBufferObject, jlong ctx_l, jint numkeys)
330 (void)classObject;(void)env;(void)byteBufferObject;(void)ctx_l;(void)numkeys;
335 SECP256K1_API jobjectArray JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1ecdh
336 (JNIEnv* env, jclass classObject, jobject byteBufferObject, jlong ctx_l, jint publen)
338 secp256k1_context *ctx = (secp256k1_context*)(uintptr_t)ctx_l;
339 const unsigned char* secdata = (*env)->GetDirectBufferAddress(env, byteBufferObject);
340 const unsigned char* pubdata = (const unsigned char*) (secdata + 32);
342 jobjectArray retArray;
343 jbyteArray outArray, intsByteArray;
344 unsigned char intsarray[1];
345 secp256k1_pubkey pubkey;
346 unsigned char nonce_res[32];
347 size_t outputLen = 32;
349 int ret = secp256k1_ec_pubkey_parse(ctx, &pubkey, pubdata, publen);
352 ret = secp256k1_ecdh(
364 retArray = (*env)->NewObjectArray(env, 2,
365 (*env)->FindClass(env, "[B"),
366 (*env)->NewByteArray(env, 1));
368 outArray = (*env)->NewByteArray(env, outputLen);
369 (*env)->SetByteArrayRegion(env, outArray, 0, 32, (jbyte*)nonce_res);
370 (*env)->SetObjectArrayElement(env, retArray, 0, outArray);
372 intsByteArray = (*env)->NewByteArray(env, 1);
373 (*env)->SetByteArrayRegion(env, intsByteArray, 0, 1, (jbyte*)intsarray);
374 (*env)->SetObjectArrayElement(env, retArray, 1, intsByteArray);