mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge.git
synced 2025-01-13 02:21:14 +01:00
30 lines
1.3 KiB
C
30 lines
1.3 KiB
C
#include <jni.h>
|
|
#include "ecdh.h"
|
|
|
|
JNIEXPORT jbyteArray JNICALL
|
|
Java_nodomain_freeyourgadget_gadgetbridge_service_devices_huami_operations_InitOperation2021_ecdh_1generate_1public(
|
|
JNIEnv *env, jobject thiz, jbyteArray private_ec) {
|
|
jboolean isCopy;
|
|
jbyte *privec = (*env)->GetByteArrayElements(env, private_ec, &isCopy);
|
|
jbyte public_ec[48];
|
|
ecdh_generate_keys((unsigned char *) public_ec, (unsigned char *) privec);
|
|
jbyteArray return_array = (*env)->NewByteArray(env, 48);
|
|
(*env)->SetByteArrayRegion(env, return_array, 0, 48, public_ec);
|
|
return return_array;
|
|
}
|
|
|
|
JNIEXPORT jbyteArray JNICALL
|
|
Java_nodomain_freeyourgadget_gadgetbridge_service_devices_huami_operations_InitOperation2021_ecdh_1generate_1shared(
|
|
JNIEnv *env, jobject thiz, jbyteArray private_ec, jbyteArray remote_public_ec) {
|
|
|
|
jboolean isCopy;
|
|
jbyte *privec = (*env)->GetByteArrayElements(env, private_ec, &isCopy);
|
|
jbyte *rempubec = (*env)->GetByteArrayElements(env, remote_public_ec, &isCopy);
|
|
jbyte shared_ec[48];
|
|
|
|
ecdh_shared_secret((unsigned char *) privec, (unsigned char *) rempubec,
|
|
(unsigned char *) shared_ec);
|
|
jbyteArray return_array = (*env)->NewByteArray(env, 48);
|
|
(*env)->SetByteArrayRegion(env, return_array, 0, 48, shared_ec);
|
|
return return_array;
|
|
} |