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remove useless aes

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This commit is contained in:
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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2
be/CMakeLists.txt
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@ -450,7 +450,6 @@ set(PALO_LINK_LIBS
PaloGen
Webserver
TestUtil
AES
${WL_END_GROUP}
)
@ -541,7 +540,6 @@ add_subdirectory(${SRC_DIR}/udf)
add_subdirectory(${SRC_DIR}/runtime)
add_subdirectory(${SRC_DIR}/testutil)
add_subdirectory(${SRC_DIR}/rpc)
add_subdirectory(${SRC_DIR}/aes)
# Utility CMake function to make specifying tests and benchmarks less verbose
FUNCTION(ADD_BE_TEST TEST_NAME)

26
be/src/aes/CMakeLists.txt
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@ -1,26 +0,0 @@
# Copyright (c) 2017, Baidu.com, Inc. All Rights Reserved
# Licensed 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.
# under the License.
# where to put generated libraries
set(LIBRARY_OUTPUT_PATH "${BUILD_DIR}/src/aes")
# where to put generated binaries
set(EXECUTABLE_OUTPUT_PATH "${BUILD_DIR}/src/aes")
add_library(AES STATIC
my_aes.cpp
my_aes_openssl.cpp
)

57
be/src/aes/my_aes.cpp
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@ -1,57 +0,0 @@
// Copyright (c) 2017, Baidu.com, Inc. All Rights Reserved
// Licensed 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 "my_aes.h"
#include "my_aes_impl.h"
#include <cstring>
/**
Transforms an arbitrary long key into a fixed length AES key
AES keys are of fixed length. This routine takes an arbitrary long key
iterates over it in AES key length increment and XORs the bytes with the
AES key buffer being prepared.
The bytes from the last incomplete iteration are XORed to the start
of the key until their depletion.
Needed since crypto function routines expect a fixed length key.
@param key [in] Key to use for real key creation
@param key_length [in] Length of the key
@param rkey [out] Real key (used by OpenSSL/YaSSL)
@param opmode [out] encryption mode
*/
namespace palo {
void my_aes_create_key(const unsigned char *key, uint key_length,
uint8 *rkey, enum my_aes_opmode opmode)
{
const uint key_size= my_aes_opmode_key_sizes[opmode] / 8;
uint8 *rkey_end; /* Real key boundary */
uint8 *ptr; /* Start of the real key*/
uint8 *sptr; /* Start of the working key */
uint8 *key_end= ((uint8 *)key) + key_length; /* Working key boundary*/
rkey_end= rkey + key_size;
memset(rkey, 0, key_size); /* Set initial key */
for (ptr= rkey, sptr= (uint8 *)key; sptr < key_end; ptr++, sptr++)
{
if (ptr == rkey_end)
/* Just loop over tmp_key until we used all key */
ptr= rkey;
*ptr^= *sptr;
}
}
}

139
be/src/aes/my_aes.h
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@ -1,139 +0,0 @@
// Copyright (c) 2017, Baidu.com, Inc. All Rights Reserved
// Licensed 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.
#ifndef MY_AES_INCLUDED
#define MY_AES_INCLUDED
/* Header file for my_aes.c */
/* Wrapper to give simple interface for MySQL to AES standard encryption */
//C_MODE_START
#include <stdint.h>
/** AES IV size is 16 bytes for all supported ciphers except ECB */
#define MY_AES_IV_SIZE 16
/** AES block size is fixed to be 128 bits for CBC and ECB */
#define MY_AES_BLOCK_SIZE 16
typedef uint32_t uint32;
typedef bool my_bool;
typedef uint32_t uint;
/** Supported AES cipher/block mode combos */
enum my_aes_opmode
{
my_aes_128_ecb,
my_aes_192_ecb,
my_aes_256_ecb,
my_aes_128_cbc,
my_aes_192_cbc,
my_aes_256_cbc
#ifndef HAVE_YASSL
,my_aes_128_cfb1,
my_aes_192_cfb1,
my_aes_256_cfb1,
my_aes_128_cfb8,
my_aes_192_cfb8,
my_aes_256_cfb8,
my_aes_128_cfb128,
my_aes_192_cfb128,
my_aes_256_cfb128,
my_aes_128_ofb,
my_aes_192_ofb,
my_aes_256_ofb
#endif
};
#define MY_AES_BEGIN my_aes_128_ecb
#ifdef HAVE_YASSL
#define MY_AES_END my_aes_256_cbc
#else
#define MY_AES_END my_aes_256_ofb
#endif
/* If bad data discovered during decoding */
#define MY_AES_BAD_DATA -1
/** String representations of the supported AES modes. Keep in sync with my_aes_opmode */
extern const char *my_aes_opmode_names[];
namespace palo {
/**
Encrypt a buffer using AES
@param source [in] Pointer to data for encryption
@param source_length [in] Size of encryption data
@param dest [out] Buffer to place encrypted data (must be large enough)
@param key [in] Key to be used for encryption
@param key_length [in] Length of the key. Will handle keys of any length
@param mode [in] encryption mode
@param iv [in] 16 bytes initialization vector if needed. Otherwise NULL
@param padding [in] if padding needed.
@return size of encrypted data, or negative in case of error
*/
int my_aes_encrypt(const unsigned char *source, uint32 source_length,
unsigned char *dest,
const unsigned char *key, uint32 key_length,
enum my_aes_opmode mode, const unsigned char *iv,
bool padding = true);
/**
Decrypt an AES encrypted buffer
@param source Pointer to data for decryption
@param source_length size of encrypted data
@param dest buffer to place decrypted data (must be large enough)
@param key Key to be used for decryption
@param key_length Length of the key. Will handle keys of any length
@param mode encryption mode
@param iv 16 bytes initialization vector if needed. Otherwise NULL
@param padding if padding needed.
@return size of original data.
*/
int my_aes_decrypt(const unsigned char *source, uint32 source_length,
unsigned char *dest,
const unsigned char *key, uint32 key_length,
enum my_aes_opmode mode, const unsigned char *iv,
bool padding = true);
/**
Calculate the size of a buffer large enough for encrypted data
@param source_length length of data to be encrypted
@param mode encryption mode
@return size of buffer required to store encrypted data
*/
int my_aes_get_size(uint32 source_length, enum my_aes_opmode mode);
/**
Return true if the AES cipher and block mode requires an IV
SYNOPSIS
my_aes_needs_iv()
@param mode encryption mode
@retval TRUE IV needed
@retval FALSE IV not needed
*/
my_bool my_aes_needs_iv(my_aes_opmode opmode);
}
//C_MODE_END
#endif /* MY_AES_INCLUDED */

37
be/src/aes/my_aes_impl.h
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@ -1,37 +0,0 @@
// Copyright (c) 2017, Baidu.com, Inc. All Rights Reserved
// Licensed 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.
#ifndef BDG_PALO_BE_EXPRS_MY_AES_IMPL_H
#define BDG_PALO_BE_EXPRS_MY_AES_IMPL_H
/** Maximum supported key kength */
const int MAX_AES_KEY_LENGTH = 256;
/* TODO: remove in a future version */
/* Guard against using an old export control restriction #define */
#ifdef AES_USE_KEY_BITS
#error AES_USE_KEY_BITS not supported
#endif
typedef uint32_t uint;
typedef uint8_t uint8;
namespace palo {
extern uint *my_aes_opmode_key_sizes;
void my_aes_create_key(const unsigned char *key, uint key_length,
uint8 *rkey, enum my_aes_opmode opmode);
}
#endif

216
be/src/aes/my_aes_openssl.cpp
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@ -1,216 +0,0 @@
// Copyright (c) 2017, Baidu.com, Inc. All Rights Reserved
// Licensed 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 "my_aes.h"
#include "my_aes_impl.h"
#include <string>
#include <assert.h>
#include <openssl/aes.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#define DBUG_ASSERT(A) assert(A)
#define TRUE true
#define FALSE false
namespace palo {
/* keep in sync with enum my_aes_opmode in my_aes.h */
const char *my_aes_opmode_names[]=
{
"aes-128-ecb",
"aes-192-ecb",
"aes-256-ecb",
"aes-128-cbc",
"aes-192-cbc",
"aes-256-cbc",
"aes-128-cfb1",
"aes-192-cfb1",
"aes-256-cfb1",
"aes-128-cfb8",
"aes-192-cfb8",
"aes-256-cfb8",
"aes-128-cfb128",
"aes-192-cfb128",
"aes-256-cfb128",
"aes-128-ofb",
"aes-192-ofb",
"aes-256-ofb",
NULL /* needed for the type enumeration */
};
/* keep in sync with enum my_aes_opmode in my_aes.h */
static uint my_aes_opmode_key_sizes_impl[]=
{
128 /* aes-128-ecb */,
192 /* aes-192-ecb */,
256 /* aes-256-ecb */,
128 /* aes-128-cbc */,
192 /* aes-192-cbc */,
256 /* aes-256-cbc */,
128 /* aes-128-cfb1 */,
192 /* aes-192-cfb1 */,
256 /* aes-256-cfb1 */,
128 /* aes-128-cfb8 */,
192 /* aes-192-cfb8 */,
256 /* aes-256-cfb8 */,
128 /* aes-128-cfb128 */,
192 /* aes-192-cfb128 */,
256 /* aes-256-cfb128 */,
128 /* aes-128-ofb */,
192 /* aes-192-ofb */,
256 /* aes-256-ofb */
};
uint *my_aes_opmode_key_sizes= my_aes_opmode_key_sizes_impl;
static const EVP_CIPHER *
aes_evp_type(const my_aes_opmode mode)
{
switch (mode)
{
case my_aes_128_ecb: return EVP_aes_128_ecb();
case my_aes_128_cbc: return EVP_aes_128_cbc();
case my_aes_128_cfb1: return EVP_aes_128_cfb1();
case my_aes_128_cfb8: return EVP_aes_128_cfb8();
case my_aes_128_cfb128: return EVP_aes_128_cfb128();
case my_aes_128_ofb: return EVP_aes_128_ofb();
case my_aes_192_ecb: return EVP_aes_192_ecb();
case my_aes_192_cbc: return EVP_aes_192_cbc();
case my_aes_192_cfb1: return EVP_aes_192_cfb1();
case my_aes_192_cfb8: return EVP_aes_192_cfb8();
case my_aes_192_cfb128: return EVP_aes_192_cfb128();
case my_aes_192_ofb: return EVP_aes_192_ofb();
case my_aes_256_ecb: return EVP_aes_256_ecb();
case my_aes_256_cbc: return EVP_aes_256_cbc();
case my_aes_256_cfb1: return EVP_aes_256_cfb1();
case my_aes_256_cfb8: return EVP_aes_256_cfb8();
case my_aes_256_cfb128: return EVP_aes_256_cfb128();
case my_aes_256_ofb: return EVP_aes_256_ofb();
default: return NULL;
}
}
int my_aes_encrypt(const unsigned char *source, uint32 source_length,
unsigned char *dest,
const unsigned char *key, uint32 key_length,
enum my_aes_opmode mode, const unsigned char *iv,
bool padding)
{
EVP_CIPHER_CTX ctx;
const EVP_CIPHER *cipher= aes_evp_type(mode);
int u_len, f_len;
/* The real key to be used for encryption */
unsigned char rkey[MAX_AES_KEY_LENGTH / 8];
my_aes_create_key(key, key_length, rkey, mode);
if (!cipher || (EVP_CIPHER_iv_length(cipher) > 0 && !iv))
return MY_AES_BAD_DATA;
if (!EVP_EncryptInit(&ctx, cipher, rkey, iv))
goto aes_error; /* Error */
if (!EVP_CIPHER_CTX_set_padding(&ctx, padding))
goto aes_error; /* Error */
if (!EVP_EncryptUpdate(&ctx, dest, &u_len, source, source_length))
goto aes_error; /* Error */
if (!EVP_EncryptFinal(&ctx, dest + u_len, &f_len))
goto aes_error; /* Error */
EVP_CIPHER_CTX_cleanup(&ctx);
return u_len + f_len;
aes_error:
/* need to explicitly clean up the error if we want to ignore it */
ERR_clear_error();
EVP_CIPHER_CTX_cleanup(&ctx);
return MY_AES_BAD_DATA;
}
int my_aes_decrypt(const unsigned char *source, uint32 source_length,
unsigned char *dest,
const unsigned char *key, uint32 key_length,
enum my_aes_opmode mode, const unsigned char *iv,
bool padding)
{
EVP_CIPHER_CTX ctx;
const EVP_CIPHER *cipher= aes_evp_type(mode);
int u_len, f_len;
/* The real key to be used for decryption */
unsigned char rkey[MAX_AES_KEY_LENGTH / 8];
my_aes_create_key(key, key_length, rkey, mode);
if (!cipher || (EVP_CIPHER_iv_length(cipher) > 0 && !iv))
return MY_AES_BAD_DATA;
EVP_CIPHER_CTX_init(&ctx);
if (!EVP_DecryptInit(&ctx, aes_evp_type(mode), rkey, iv))
goto aes_error; /* Error */
if (!EVP_CIPHER_CTX_set_padding(&ctx, padding))
goto aes_error; /* Error */
if (!EVP_DecryptUpdate(&ctx, dest, &u_len, source, source_length))
goto aes_error; /* Error */
if (!EVP_DecryptFinal_ex(&ctx, dest + u_len, &f_len))
goto aes_error; /* Error */
EVP_CIPHER_CTX_cleanup(&ctx);
return u_len + f_len;
aes_error:
/* need to explicitly clean up the error if we want to ignore it */
ERR_clear_error();
EVP_CIPHER_CTX_cleanup(&ctx);
return MY_AES_BAD_DATA;
}
int my_aes_get_size(uint32 source_length, my_aes_opmode opmode)
{
const EVP_CIPHER *cipher= aes_evp_type(opmode);
size_t block_size;
block_size= EVP_CIPHER_block_size(cipher);
return block_size > 1 ?
block_size * (source_length / block_size) + block_size :
source_length;
}
/**
Return true if the AES cipher and block mode requires an IV
SYNOPSIS
my_aes_needs_iv()
@param mode encryption mode
@retval TRUE IV needed
@retval FALSE IV not needed
*/
my_bool my_aes_needs_iv(my_aes_opmode opmode)
{
const EVP_CIPHER *cipher= aes_evp_type(opmode);
int iv_length;
iv_length= EVP_CIPHER_iv_length(cipher);
DBUG_ASSERT(iv_length == 0 || iv_length == MY_AES_IV_SIZE);
return iv_length != 0 ? TRUE : FALSE;
}
}

2
be/src/common/daemon.cpp
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@ -44,7 +44,6 @@
#include "exprs/string_functions.h"
#include "exprs/cast_functions.h"
#include "exprs/math_functions.h"
#include "exprs/encryption_functions.h"
#include "exprs/timestamp_functions.h"
#include "exprs/decimal_operators.h"
#include "exprs/utility_functions.h"
@ -154,7 +153,6 @@ void init_daemon(int argc, char** argv) {
CastFunctions::init();
InPredicate::init();
MathFunctions::init();
EncryptionFunctions::init();
TimestampFunctions::init();
DecimalOperators::init();
UtilityFunctions::init();

1
be/src/exprs/CMakeLists.txt
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@ -26,7 +26,6 @@ set(EXECUTABLE_OUTPUT_PATH "${BUILD_DIR}/src/exprs")
add_library(Exprs
base64.cpp
encryption_functions.cpp
aggregate_functions.cpp
agg_fn_evaluator.cpp
anyval_util.cpp

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);
}
}

53
be/src/exprs/encryption_functions.h
View File

@ -1,53 +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.
#ifndef BDG_PALO_BE_SRC_QUERY_EXPRS_ENCRYPTION_FUNCTIONS_H
#define BDG_PALO_BE_SRC_QUERY_EXPRS_ENCRYPTION_FUNCTIONS_H
#include <stdint.h>
#include "udf/udf.h"
#include "udf/udf_internal.h"
namespace palo {
class Expr;
struct ExprValue;
class TupleRow;
class EncryptionFunctions {
public:
static void init();
static palo_udf::StringVal aes_encrypt(palo_udf::FunctionContext* context,
const palo_udf::StringVal& val1, const palo_udf::StringVal& val2);
static palo_udf::StringVal aes_decrypt(palo_udf::FunctionContext* context,
const palo_udf::StringVal& val1, const palo_udf::StringVal& val2);
static palo_udf::StringVal from_base64(palo_udf::FunctionContext* context,
const palo_udf::StringVal& val1);
static palo_udf::StringVal to_base64(palo_udf::FunctionContext* context,
const palo_udf::StringVal& val1);
static palo_udf::StringVal md5sum(palo_udf::FunctionContext* ctx,
int num_args, const palo_udf::StringVal* args);
static palo_udf::StringVal md5(palo_udf::FunctionContext* ctx,
const palo_udf::StringVal& src);
};
}
#endif