56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
// 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 "util/sm3.h"
|
|
|
|
#include "util/logging.h"
|
|
|
|
namespace doris {
|
|
|
|
SM3Digest::SM3Digest() {
|
|
_md = EVP_sm3();
|
|
_ctx = EVP_MD_CTX_new();
|
|
EVP_DigestInit_ex(_ctx, _md, NULL);
|
|
}
|
|
|
|
SM3Digest::~SM3Digest() {
|
|
EVP_MD_CTX_free(_ctx);
|
|
}
|
|
|
|
void SM3Digest::update(const void* data, size_t length) {
|
|
EVP_DigestUpdate(_ctx, data, length);
|
|
}
|
|
|
|
void SM3Digest::digest() {
|
|
unsigned char buf[SM3_DIGEST_LENGTH];
|
|
uint32_t length;
|
|
EVP_DigestFinal_ex(_ctx, buf, &length);
|
|
DCHECK_EQ(SM3_DIGEST_LENGTH, length);
|
|
|
|
char hex_buf[2 * SM3_DIGEST_LENGTH];
|
|
|
|
static char dig_vec_lower[] = "0123456789abcdef";
|
|
char* to = hex_buf;
|
|
for (int i = 0; i < SM3_DIGEST_LENGTH; ++i) {
|
|
*to++ = dig_vec_lower[buf[i] >> 4];
|
|
*to++ = dig_vec_lower[buf[i] & 0x0F];
|
|
}
|
|
_hex.assign(hex_buf, 2 * SM3_DIGEST_LENGTH);
|
|
}
|
|
|
|
} // namespace doris
|