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c-kzg-4844
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don't expose KZGSettings

This commit is contained in:
Stefan Bratanov 2022-11-23 17:17:06 +00:00
parent 3136083139
commit c50f52108d
5 changed files with 88 additions and 78 deletions
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29
bindings/java/CKzg4844JNI.java
View File

@ -14,34 +14,17 @@ public class CKzg4844JNI {
}
}
public static native KZGSettings loadTrustedSetup(String file);
public static native void loadTrustedSetup(String file);
public static native void freeTrustedSetup(KZGSettings settings);
public static native void freeTrustedSetup();
public static native byte[] computeAggregateKzgProof(byte[] blobs, int count, KZGSettings settings);
public static native byte[] computeAggregateKzgProof(byte[] blobs, int count);
public static native boolean verifyAggregateKzgProof(byte[] blobs, byte[] commitments, int count,
byte[] proof,
KZGSettings settings);
byte[] proof);
public static native byte[] blobToKzgCommitment(byte[] commitment, KZGSettings settings);
public static native byte[] blobToKzgCommitment(byte[] commitment);
public static native boolean verifyKzgProof(byte[] commitment, byte[] z, byte[] y, byte[] proof, KZGSettings settings);
public static class KZGSettings {
public FFTSettings fs;
public byte[] g1Values;
public byte[] g2Values;
public int g1ValuesCount;
public int g2ValuesCount;
}
public static class FFTSettings {
public long maxWidth;
public long[] expandedRootsOfUnity;
public long[] reverseRootsOfUnity;
public long[] rootsOfUnity;
}
public static native boolean verifyKzgProof(byte[] commitment, byte[] z, byte[] y, byte[] proof);
}

12
bindings/java/README.md
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@ -3,20 +3,20 @@
## Windows
```bat
gcc -c -I..\..\blst\bindings -I..\..\src\ -I"%JAVA_HOME%\include" -I"%JAVA_HOME%\include\win32" c_kzg_4844_jni.c -o c_kzg_4844_jni.o
gcc -shared -o lib/ckzg4844jni.dll c_kzg_4844.o c_kzg_4844_jni.o -Wl,--add-stdcall-alias
g++ -c -I..\..\blst\bindings -I..\..\src\ -I"%JAVA_HOME%\include" -I"%JAVA_HOME%\include\win32" c_kzg_4844_jni.c -o c_kzg_4844_jni.o
g++ -shared -o lib/ckzg4844jni.dll c_kzg_4844.o c_kzg_4844_jni.o -Wl,--add-stdcall-alias
```
## Linux
```bash
gcc -c -fPIC -I../../blst/bindings -I../../src/ -I${JAVA_HOME}/include -I${JAVA_HOME}/include/linux c_kzg_4844_jni.c -o c_kzg_4844_jni.o
gcc -shared -fPIC -o lib/libckzg4844jni.so c_kzg_4844.o c_kzg_4844_jni.o -lc
g++ -c -fPIC -I../../blst/bindings -I../../src/ -I${JAVA_HOME}/include -I${JAVA_HOME}/include/linux c_kzg_4844_jni.c -o c_kzg_4844_jni.o
g++ -shared -fPIC -o lib/libckzg4844jni.so c_kzg_4844.o c_kzg_4844_jni.o -lc
```
## Mac-OS
```bash
gcc -c -fPIC -I../../blst/bindings -I../../src/ -I${JAVA_HOME}/include -I${JAVA_HOME}/include/darwin c_kzg_4844_jni.c -o c_kzg_4844_jni.o
gcc -dynamiclib -o lib/libckzg4844jni.dylib c_kzg_4844.o c_kzg_4844_jni.o -lc
g++ -c -fPIC -I../../blst/bindings -I../../src/ -I${JAVA_HOME}/include -I${JAVA_HOME}/include/darwin c_kzg_4844_jni.c -o c_kzg_4844_jni.o
g++ -dynamiclib -o lib/libckzg4844jni.dylib c_kzg_4844.o c_kzg_4844_jni.o -lc
```

37
bindings/java/c_kzg_4844_jni.c
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@ -1,37 +0,0 @@
#include "c_kzg_4844_jni.h"
#include "c_kzg_4844.h"
JNIEXPORT jobject JNICALL Java_CKzg4844JNI_loadTrustedSetup(JNIEnv *env, jclass thisCls, jstring file)
{
return NULL;
}
JNIEXPORT void JNICALL Java_CKzg4844JNI_freeTrustedSetup(JNIEnv *env, jclass thisCls, jobject settings)
{
// NO-OP
}
JNIEXPORT jbyteArray JNICALL Java_CKzg4844JNI_computeAggregateKzgProof(JNIEnv *env, jclass thisCls, jbyteArray blobs, jint count, jobject settings)
{
jbyte *blobs_c = (*env)->GetByteArrayElements(env, blobs, NULL);
jbyteArray proof = (*env)->NewByteArray(env, 48);
g1_t *out;
bytes_to_g1(out, (uint8_t *)blobs_c);
return proof;
}
JNIEXPORT jboolean JNICALL Java_CKzg4844JNI_verifyAggregateKzgProof(JNIEnv *env, jclass thisCls, jbyteArray blobs, jbyteArray commitments, jint count, jbyteArray proof, jobject settings)
{
return false;
}
JNIEXPORT jbyteArray JNICALL Java_CKzg4844JNI_blobToKzgCommitment(JNIEnv *env, jclass thisCls, jbyteArray commitment, jobject settings)
{
jbyteArray ret = (*env)->NewByteArray(env, 48);
return ret;
}
JNIEXPORT jboolean JNICALL Java_CKzg4844JNI_verifyKzgProof(JNIEnv *env, jclass thisCls, jbyteArray commitment, jbyteArray z, jbyteArray y, jbyteArray proof, jobject settings)
{
return false;
}

64
bindings/java/c_kzg_4844_jni.cpp Normal file
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@ -0,0 +1,64 @@
#include "c_kzg_4844_jni.h"
#include "c_kzg_4844.h"
KZGSettings *settings;
JNIEXPORT void JNICALL Java_CKzg4844JNI_loadTrustedSetup(JNIEnv *env, jclass thisCls, jstring file)
{
settings = malloc(sizeof(KZGSettings));
const char *file_native = env->GetStringUTFChars(file, 0);
FILE *f = fopen(file_native, "r");
if (f == NULL)
{
free(settings);
env->ReleaseStringUTFChars(file, file_native);
// need to throw an exception
return;
}
if (load_trusted_setup(settings, f) != C_KZG_OK)
{
free(settings);
fclose(f);
env->ReleaseStringUTFChars(file, file_native);
// need to throw an exception
return;
}
fclose(f);
env->ReleaseStringUTFChars(file, file_native);
}
JNIEXPORT void JNICALL Java_CKzg4844JNI_freeTrustedSetup(JNIEnv *env, jclass thisCls)
{
free_trusted_setup(settings);
free(settings);
}
JNIEXPORT jbyteArray JNICALL Java_CKzg4844JNI_computeAggregateKzgProof(JNIEnv *env, jclass thisCls, jbyteArray blobs, jint count)
{
jbyte *blobs_native = env->GetByteArrayElements(blobs, NULL);
jbyteArray proof = env->NewByteArray(48);
g1_t *out;
bytes_to_g1(out, (uint8_t *)blobs_native);
return proof;
}
JNIEXPORT jboolean JNICALL Java_CKzg4844JNI_verifyAggregateKzgProof(JNIEnv *env, jclass thisCls, jbyteArray blobs, jbyteArray commitments, jint count, jbyteArray proof)
{
return false;
}
JNIEXPORT jbyteArray JNICALL Java_CKzg4844JNI_blobToKzgCommitment(JNIEnv *env, jclass thisCls, jbyteArray commitment)
{
jbyteArray ret = env->NewByteArray(48);
return ret;
}
JNIEXPORT jboolean JNICALL Java_CKzg4844JNI_verifyKzgProof(JNIEnv *env, jclass thisCls, jbyteArray commitment, jbyteArray z, jbyteArray y, jbyteArray proof)
{
return false;
}

24
bindings/java/c_kzg_4844_jni.h
View File

@ -10,50 +10,50 @@ extern "C" {
/*
* Class: CKzg4844JNI
* Method: loadTrustedSetup
* Signature: (Ljava/lang/String;)LCKzg4844JNI/KZGSettings;
* Signature: (Ljava/lang/String;)V
*/
JNIEXPORT jobject JNICALL Java_CKzg4844JNI_loadTrustedSetup
JNIEXPORT void JNICALL Java_CKzg4844JNI_loadTrustedSetup
(JNIEnv *, jclass, jstring);
/*
* Class: CKzg4844JNI
* Method: freeTrustedSetup
* Signature: (LCKzg4844JNI/KZGSettings;)V
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_CKzg4844JNI_freeTrustedSetup
(JNIEnv *, jclass, jobject);
(JNIEnv *, jclass);
/*
* Class: CKzg4844JNI
* Method: computeAggregateKzgProof
* Signature: ([BILCKzg4844JNI/KZGSettings;)[B
* Signature: ([BI)[B
*/
JNIEXPORT jbyteArray JNICALL Java_CKzg4844JNI_computeAggregateKzgProof
(JNIEnv *, jclass, jbyteArray, jint, jobject);
(JNIEnv *, jclass, jbyteArray, jint);
/*
* Class: CKzg4844JNI
* Method: verifyAggregateKzgProof
* Signature: ([B[BI[BLCKzg4844JNI/KZGSettings;)Z
* Signature: ([B[BI[B)Z
*/
JNIEXPORT jboolean JNICALL Java_CKzg4844JNI_verifyAggregateKzgProof
(JNIEnv *, jclass, jbyteArray, jbyteArray, jint, jbyteArray, jobject);
(JNIEnv *, jclass, jbyteArray, jbyteArray, jint, jbyteArray);
/*
* Class: CKzg4844JNI
* Method: blobToKzgCommitment
* Signature: ([BLCKzg4844JNI/KZGSettings;)[B
* Signature: ([B)[B
*/
JNIEXPORT jbyteArray JNICALL Java_CKzg4844JNI_blobToKzgCommitment
(JNIEnv *, jclass, jbyteArray, jobject);
(JNIEnv *, jclass, jbyteArray);
/*
* Class: CKzg4844JNI
* Method: verifyKzgProof
* Signature: ([B[B[B[BLCKzg4844JNI/KZGSettings;)Z
* Signature: ([B[B[B[B)Z
*/
JNIEXPORT jboolean JNICALL Java_CKzg4844JNI_verifyKzgProof
(JNIEnv *, jclass, jbyteArray, jbyteArray, jbyteArray, jbyteArray, jobject);
(JNIEnv *, jclass, jbyteArray, jbyteArray, jbyteArray, jbyteArray);
#ifdef __cplusplus
}