I have sinned but it feels good

This commit is contained in:
Andrew Steinborn
2022-06-08 01:18:19 -04:00
parent 01c6777948
commit 4b1cdbcb31
8 changed files with 98 additions and 2 deletions

View File

@@ -0,0 +1,66 @@
#include <CommonCrypto/CommonCryptor.h>
#include <jni.h>
#include <stdlib.h>
#include <string.h>
#include "jni_util.h"
typedef unsigned char byte;
JNIEXPORT jlong JNICALL
Java_com_velocitypowered_natives_encryption_OpenSslCipherImpl_init(JNIEnv *env,
jclass clazz,
jbyteArray key,
jboolean encrypt)
{
jsize keyLen = (*env)->GetArrayLength(env, key);
if (keyLen != 16) {
throwException(env, "java/lang/IllegalArgumentException", "cipher not 16 bytes");
return 0;
}
// Since we know the array size is always bounded, we can just use Get<Primitive>ArrayRegion
// and save ourselves some error-checking headaches.
jbyte keyBytes[16];
(*env)->GetByteArrayRegion(env, key, 0, keyLen, (jbyte*) keyBytes);
if ((*env)->ExceptionCheck(env)) {
return 0;
}
CCCryptorRef cryptor = NULL;
CCCryptorStatus result = CCCryptorCreateWithMode(encrypt ? kCCEncrypt : kCCDecrypt,
kCCModeCFB8,
kCCAlgorithmAES128,
ccNoPadding,
keyBytes,
keyBytes,
16,
NULL,
0,
0,
0,
&cryptor);
if (result != kCCSuccess) {
throwException(env, "java/security/GeneralSecurityException", "openssl initialize cipher");
return 0;
}
return (jlong) cryptor;
}
JNIEXPORT void JNICALL
Java_com_velocitypowered_natives_encryption_OpenSslCipherImpl_free(JNIEnv *env,
jclass clazz,
jlong ptr)
{
CCCryptorRelease((CCCryptorRef) ptr);
}
JNIEXPORT void JNICALL
Java_com_velocitypowered_natives_encryption_OpenSslCipherImpl_process(JNIEnv *env,
jclass clazz,
jlong ptr,
jlong source,
jint len,
jlong dest)
{
CCCryptorUpdate((CCCryptorRef) ptr, (byte*) source, len, (byte*) dest, len, NULL);
}

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@@ -40,7 +40,6 @@ public class NativeConstraints {
// give amd64.
IS_AMD64 = osArch.equals("amd64") || osArch.equals("x86_64");
IS_AARCH64 = osArch.equals("aarch64") || osArch.equals("arm64");
System.out.println(System.getProperty("os.name", ""));
}
static final BooleanSupplier NATIVE_BASE = () -> NATIVES_ENABLED && CAN_GET_MEMORYADDRESS;

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@@ -85,6 +85,10 @@ public class Natives {
copyAndLoadNative("/linux_aarch64/velocity-compress.so"),
"libdeflate (Linux aarch64)",
LibdeflateVelocityCompressor.FACTORY),
new NativeCodeLoader.Variant<>(NativeConstraints.MACOS_AARCH64,
copyAndLoadNative("/macos_arm64/velocity-compress.dylib"),
"libdeflate (macOS ARM64 / Apple Silicon)",
LibdeflateVelocityCompressor.FACTORY),
new NativeCodeLoader.Variant<>(NativeCodeLoader.ALWAYS, () -> {
}, "Java", JavaVelocityCompressor.FACTORY)
)
@@ -104,6 +108,10 @@ public class Natives {
new NativeCodeLoader.Variant<>(NativeConstraints.LINUX_AARCH64,
copyAndLoadNative("/linux_aarch64/velocity-cipher.so"),
"OpenSSL (Linux aarch64)", NativeVelocityCipher.FACTORY),
new NativeCodeLoader.Variant<>(NativeConstraints.MACOS_AARCH64,
copyAndLoadNative("/macos_arm64/velocity-cipher.dylib"),
"native (macOS ARM64 / Apple Silicon)",
NativeVelocityCipher.FACTORY),
new NativeCodeLoader.Variant<>(NativeCodeLoader.ALWAYS, () -> {
}, "Java", JavaVelocityCipher.FACTORY)
)

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