mirror of
https://github.com/openvswitch/ovs
synced 2025-10-15 14:17:18 +00:00
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/*
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* Copyright (c) 2009, 2010 Nicira Networks.
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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 <config.h>
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#include <ctype.h>
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#include "aes128.h"
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#include "util.h"
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static void
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hex_to_uint8(const char *input, uint8_t *output, size_t n)
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{
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size_t i;
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if (strlen(input) != n * 2) {
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goto error;
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}
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for (i = 0; i < n; i++) {
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bool ok;
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output[i] = hexits_value(&input[i * 2], 2, &ok);
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if (!ok) {
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goto error;
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}
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}
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return;
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error:
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ovs_fatal(0, "\"%s\" is not exactly %zu hex digits", input, n * 2);
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}
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int
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main(int argc, char *argv[])
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{
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struct aes128 aes;
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uint8_t plaintext[16];
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uint8_t ciphertext[16];
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uint8_t key[16];
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size_t i;
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if (argc != 3) {
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ovs_fatal(0, "usage: %s KEY PLAINTEXT, where KEY and PLAINTEXT each "
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"consist of 32 hex digits", argv[0]);
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}
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hex_to_uint8(argv[1], key, 16);
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hex_to_uint8(argv[2], plaintext, 16);
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aes128_schedule(&aes, key);
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aes128_encrypt(&aes, plaintext, ciphertext);
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for (i = 0; i < 16; i++) {
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printf("%02x", ciphertext[i]);
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}
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putchar('\n');
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return 0;
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}
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