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annotate libtomcrypt/demos/sizes.c @ 1857:6022df862942

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Use DSCP for IP QoS traffic classes The previous TOS values are deprecated and not used by modern traffic classifiers. This sets AF21 for "interactive" traffic (with a tty). Non-tty traffic sets AF11 - that indicates high throughput but is not lowest priority (which would be CS1 or LE). This differs from the CS1 used by OpenSSH, it lets interactive git over SSH have higher priority than background least effort traffic. Dropbear's settings here should be suitable with the diffservs used by CAKE qdisc.
author Matt Johnston <matt@ucc.asn.au>
date Tue, 25 Jan 2022 17:32:20 +0800
parents e9dba7abd939
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 */
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9
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10 #include "tomcrypt.h"
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11
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12 #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L
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13 #include <libgen.h>
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14 #else
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15 #define basename(x) x
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16 #endif
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17 /**
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18 @file demo_crypt_sizes.c
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19
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20 Demo how to get various sizes to dynamic languages
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21 like Python - Larry Bugbee, February 2013
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22 */
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23
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24 static void _print_line(const char* cmd, const char* desc)
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25 {
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26 printf(" %-16s - %s\n", cmd, desc);
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27 }
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28
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29 int main(int argc, char **argv)
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30 {
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31 if (argc == 1) {
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32 /* given a specific size name, get and print its size */
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33 char name[] = "ltc_hash_descriptor";
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34 unsigned int size;
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35 char *sizes_list;
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36 unsigned int sizes_list_len;
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37 if (crypt_get_size(name, &size) != 0) exit(EXIT_FAILURE);
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38 printf("\n size of '%s' is %u \n\n", name, size);
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39
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40 /* get and print the length of the names (and sizes) list */
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41 if (crypt_list_all_sizes(NULL, &sizes_list_len) != 0) exit(EXIT_FAILURE);
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42 printf(" need to allocate %u bytes \n\n", sizes_list_len);
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43
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44 /* get and print the names (and sizes) list */
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45 if ((sizes_list = malloc(sizes_list_len)) == NULL) exit(EXIT_FAILURE);
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46 if (crypt_list_all_sizes(sizes_list, &sizes_list_len) != 0) exit(EXIT_FAILURE);
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47 printf(" supported sizes:\n\n%s\n\n", sizes_list);
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48 free(sizes_list);
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49 } else if (argc == 2) {
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50 if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) {
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51 char* base = strdup(basename(argv[0]));
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52 printf("Usage: %s [-a] [-s name]\n\n", base);
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53 _print_line("<no argument>", "The old behavior of the demo");
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54 _print_line("-a", "Only lists all sizes");
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55 _print_line("-s name", "List a single size given as argument");
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56 _print_line("-h", "The help you're looking at");
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57 free(base);
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58 } else if (strcmp(argv[1], "-a") == 0) {
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59 char *sizes_list;
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60 unsigned int sizes_list_len;
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61 /* get and print the length of the names (and sizes) list */
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62 if (crypt_list_all_sizes(NULL, &sizes_list_len) != 0) exit(EXIT_FAILURE);
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63 /* get and print the names (and sizes) list */
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64 if ((sizes_list = malloc(sizes_list_len)) == NULL) exit(EXIT_FAILURE);
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65 if (crypt_list_all_sizes(sizes_list, &sizes_list_len) != 0) exit(EXIT_FAILURE);
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66 printf("%s\n", sizes_list);
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67 free(sizes_list);
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68 }
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69 } else if (argc == 3) {
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70 if (strcmp(argv[1], "-s") == 0) {
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71 unsigned int size;
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72 if (crypt_get_size(argv[2], &size) != 0) exit(EXIT_FAILURE);
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73 printf("%s,%u\n", argv[2], size);
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74 }
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75 }
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76 return 0;
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77 }
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78
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79 /* ref: $Format:%D$ */
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80 /* git commit: $Format:%H$ */
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81 /* commit time: $Format:%ai$ */