JNIEXPORT jlong JNICALL Java_com_intel_diceros_crypto_engines_AESOpensslEngine_initWorkingKey(
JNIEnv *env, jobject object, jbyteArray key, jboolean forEncryption,
jint mode, jint padding, jbyteArray IV, jlong cipherContext) {
CipherContext* cipherCtx = (CipherContext*) cipherContext;
cipherCtx = preInitContext(env, cipherCtx, mode, key, IV);
(*env)->GetByteArrayRegion(env, key, 0, cipherCtx->keyLength, cipherCtx->key);
(*env)->GetByteArrayRegion(env, IV, 0, cipherCtx->ivLength, cipherCtx->iv);
cryptInit cryptInitFunc = getCryptInitFunc(forEncryption);
EVP_CIPHER* cipher = getCipher(mode, cipherCtx->keyLength);
if (cipher != NULL) {
cryptInitFunc(cipherCtx->opensslCtx, cipher, NULL,
(unsigned char *) cipherCtx->key, (unsigned char *) cipherCtx->iv);
} else {
THROW(env, "java/lang/IllegalArgumentException", "unsupportted mode or key size");
}
if (padding == PADDING_NOPADDING) {
EVP_CIPHER_CTX_set_padding(cipherCtx->opensslCtx, 0);
} else if (padding == PADDING_PKCS5PADDING) {
EVP_CIPHER_CTX_set_padding(cipherCtx->opensslCtx, 1);
}
return (long) cipherCtx;
}
JNIEXPORT jlong JNICALL Java_com_intel_diceros_crypto_engines_AESOpensslEngine_initWorkingKey(
JNIEnv *env, jobject object, jbyteArray key, jboolean forEncryption,
jint mode, jint padding, jbyteArray IV, jlong aesContext) {
AESContext* aesCtx = (AESContext*) aesContext;
aesCtx = preInitContext(env, aesCtx, mode, key, IV);
(*env)->GetByteArrayRegion(env, key, 0, aesCtx->keyLength, aesCtx->nativeKey);
(*env)->GetByteArrayRegion(env, IV, 0, aesCtx->ivLength, aesCtx->nativeIv);
cryptInit cryptInitFunc = getCryptInitFunc(forEncryption);
if (mode == MODE_CTR) {
if (aesCtx->keyLength == 32) {
cryptInitFunc(aesCtx->context, EVP_aes_256_ctr(), NULL,
(unsigned char *) aesCtx->nativeKey, (unsigned char *) aesCtx->nativeIv);
} else {
cryptInitFunc(aesCtx->context, EVP_aes_128_ctr(), NULL,
(unsigned char *) aesCtx->nativeKey, (unsigned char *) aesCtx->nativeIv);
}
} else if (mode == MODE_CBC) {
if (aesCtx->keyLength == 32) {
cryptInitFunc(aesCtx->context, EVP_aes_256_cbc(), NULL,
(unsigned char *) aesCtx->nativeKey, (unsigned char *) aesCtx->nativeIv);
} else {
cryptInitFunc(aesCtx->context, EVP_aes_128_cbc(), NULL,
(unsigned char *) aesCtx->nativeKey, (unsigned char *) aesCtx->nativeIv);
}
}
if (padding == PADDING_NOPADDING) {
EVP_CIPHER_CTX_set_padding(aesCtx->context, 0);
} else if (padding == PADDING_PKCS5PADDING) {
EVP_CIPHER_CTX_set_padding(aesCtx->context, 1);
}
return (long) aesCtx;
}
