mirror of
https://github.com/guanzhi/GmSSL.git
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82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
/*
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* Copyright 2014-2021 The GmSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <gmssl/oid.h>
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#include <gmssl/asn1.h>
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// 对OID的几种类型进行转换
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// name, oid int值，DER编码 -oid 112 -name -der
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// 这里我们要做类型转换
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/*
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oid -name secp256k1
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secp256k1 : 1.2.3.4 : 030201220308 : hello world
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*/
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void print_usage(FILE *out, const char *prog)
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{
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fprintf(out, "Usage: %s command [options] ...\n", prog);
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fprintf(out, "\n");
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fprintf(out, "Commands:\n");
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fprintf(out, " -help print the usage message\n");
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fprintf(out, " -name <str> oid name string\n");
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fprintf(out, " -oid <int> oid value\n");
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fprintf(out, " -der <hex> oid der encoding in hex\n");
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}
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int oid_vec_to_der(const unsigned int *oid, size_t oidlen, uint8_t *out, size_t *outlen)
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{
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if (oidlen < 2) {
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return -1;
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}
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*out++ = oid[0] * 40 + oid[1];
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oidlen -= 2;
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*outlen++;
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while (oidlen > 0) {
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id (*oid < 128) {
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*out++ = (uint8_t)(*oid);
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} else {
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*out++ = 0x80 & ((uint8_t)(*oid >> 8) << 1);
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*out++ = 0x80 | (uint8_t)(*oid);
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}
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oid++;
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oidlen--;
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}
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}
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int main(int argc, char **argv)
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{
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int ret = -1;
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char *prog = argv[0];
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int help = 0;
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argc--;
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argv++;
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while (argc >= 0) {
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}
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}
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