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remove useless aes

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lide-reed
2018-06-09 15:03:51 +08:00
parent 9f7b1ea6d4
commit ac770c33d4
10 changed files with 0 additions and 686 deletions
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153
be/src/exprs/encryption_functions.cpp
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@ -1,153 +0,0 @@
// Modifications copyright (C) 2017, Baidu.com, Inc.
// Copyright 2017 The Apache Software Foundation
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include "exprs/encryption_functions.h"
#include <openssl/md5.h>
#include "aes/my_aes.h"
#include "exprs/anyval_util.h"
#include "exprs/expr.h"
#include "util/debug_util.h"
#include "runtime/tuple_row.h"
#include "exprs/base64.h"
#include <boost/smart_ptr.hpp>
#include "runtime/string_value.h"
namespace palo {
void EncryptionFunctions::init() {
}
StringVal EncryptionFunctions::aes_encrypt(FunctionContext* ctx,
const StringVal &src, const StringVal &key) {
if (src.len == 0) {
return StringVal::null();
}
// cipher_len = (clearLen/16 + 1) * 16;
int cipher_len = src.len + 16;
boost::scoped_array<char> p;
p.reset(new char[cipher_len]);
int ret_code = my_aes_encrypt((unsigned char *)src.ptr, src.len,
(unsigned char*)p.get(), (unsigned char *)key.ptr, key.len, my_aes_128_ecb, NULL);
if (ret_code < 0) {
return StringVal::null();
}
return AnyValUtil::from_buffer_temp(ctx, p.get(), ret_code);
}
StringVal EncryptionFunctions::aes_decrypt(FunctionContext* ctx,
const StringVal &src, const StringVal &key) {
if (src.len == 0) {
return StringVal::null();
}
int cipher_len = src.len;
boost::scoped_array<char> p;
p.reset(new char[cipher_len]);
int ret_code = my_aes_decrypt((unsigned char *)src.ptr, src.len, (unsigned char*)p.get(),
(unsigned char *)key.ptr, key.len, my_aes_128_ecb, NULL);
if (ret_code < 0) {
return StringVal::null();
}
return AnyValUtil::from_buffer_temp(ctx, p.get(), ret_code);
}
StringVal EncryptionFunctions::from_base64(FunctionContext* ctx, const StringVal &src) {
if (src.len == 0) {
return StringVal::null();
}
int cipher_len = src.len;
boost::scoped_array<char> p;
p.reset(new char[cipher_len]);
int ret_code = base64_decode2((const char *)src.ptr, src.len, p.get());
if (ret_code < 0) {
return StringVal::null();
}
return AnyValUtil::from_buffer_temp(ctx, p.get(), ret_code);
}
StringVal EncryptionFunctions::to_base64(FunctionContext* ctx, const StringVal &src) {
if (src.len == 0) {
return StringVal::null();
}
int cipher_len = src.len * 4 / 3 + 1;
boost::scoped_array<char> p;
p.reset(new char[cipher_len]);
int ret_code = base64_encode2((unsigned char *)src.ptr, src.len, (unsigned char *)p.get());
if (ret_code < 0) {
return StringVal::null();
}
return AnyValUtil::from_buffer_temp(ctx, p.get(), ret_code);
}
StringVal EncryptionFunctions::md5sum(
FunctionContext* ctx, int num_args, const StringVal* args) {
MD5_CTX md5_ctx;
MD5_Init(&md5_ctx);
for (int i = 0; i < num_args; ++i) {
const StringVal& arg = args[i];
if (arg.is_null) {
continue;
}
MD5_Update(&md5_ctx, arg.ptr, arg.len);
}
unsigned char buf[MD5_DIGEST_LENGTH];
MD5_Final(buf, &md5_ctx);
unsigned char hex_buf[2 * MD5_DIGEST_LENGTH];
static char dig_vec_lower[] = "0123456789abcdef";
unsigned char* to = hex_buf;
for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
*to++= dig_vec_lower[buf[i] >> 4];
*to++= dig_vec_lower[buf[i] & 0x0F];
}
return AnyValUtil::from_buffer_temp(ctx, (char*)hex_buf, 2 * MD5_DIGEST_LENGTH);
}
StringVal EncryptionFunctions::md5(FunctionContext* ctx, const StringVal& src) {
if (src.is_null) {
return StringVal::null();
}
MD5_CTX md5_ctx;
MD5_Init(&md5_ctx);
MD5_Update(&md5_ctx, src.ptr, src.len);
unsigned char buf[MD5_DIGEST_LENGTH];
MD5_Final(buf, &md5_ctx);
unsigned char hex_buf[2 * MD5_DIGEST_LENGTH];
static char dig_vec_lower[] = "0123456789abcdef";
unsigned char* to = hex_buf;
for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
*to++= dig_vec_lower[buf[i] >> 4];
*to++= dig_vec_lower[buf[i] & 0x0F];
}
return AnyValUtil::from_buffer_temp(ctx, (char*)hex_buf, 2 * MD5_DIGEST_LENGTH);
}
}