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annotate libtomcrypt/src/misc/compare_testvector.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 6dba84798cd5
children
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1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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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 /**
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13 @file compare_testvector.c
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14 Function to compare two testvectors and print a (detailed) error-message if required, Steffen Jaeckel
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15 */
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16
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17 #if defined(LTC_TEST) && defined(LTC_TEST_DBG)
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18 static void _print_hex(const char* what, const void* v, const unsigned long l)
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19 {
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20 const unsigned char* p = v;
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21 unsigned long x, y = 0, z;
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22 fprintf(stderr, "%s contents: \n", what);
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23 for (x = 0; x < l; ) {
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24 fprintf(stderr, "%02X ", p[x]);
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25 if (!(++x % 16) || x == l) {
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26 if((x % 16) != 0) {
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27 z = 16 - (x % 16);
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28 if(z >= 8)
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29 fprintf(stderr, " ");
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30 for (; z != 0; --z) {
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31 fprintf(stderr, " ");
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32 }
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33 }
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34 fprintf(stderr, " | ");
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35 for(; y < x; y++) {
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36 if((y % 8) == 0)
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37 fprintf(stderr, " ");
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38 if(isgraph(p[y]))
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39 fprintf(stderr, "%c", p[y]);
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40 else
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41 fprintf(stderr, ".");
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42 }
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43 fprintf(stderr, "\n");
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44 }
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45 else if((x % 8) == 0) {
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46 fprintf(stderr, " ");
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47 }
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48 }
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49 }
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50 #endif
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51
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52 /**
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53 Compare two test-vectors
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54
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55 @param is The data as it is
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56 @param is_len The length of is
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57 @param should The data as it should
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58 @param should_len The length of should
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59 @param what The type of the data
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60 @param which The iteration count
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61 @return 0 on equality, -1 or 1 on difference
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62 */
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63 int compare_testvector(const void* is, const unsigned long is_len, const void* should, const unsigned long should_len, const char* what, int which)
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64 {
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65 int res = 0;
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66 if(is_len != should_len)
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67 res = is_len > should_len ? -1 : 1;
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68 else
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69 res = XMEMCMP(is, should, is_len);
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70
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71 #if defined(LTC_TEST) && defined(LTC_TEST_DBG)
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72 if (res != 0) {
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73 fprintf(stderr, "Testvector #%i of %s failed:\n", which, what);
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74 _print_hex("SHOULD", should, should_len);
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75 _print_hex("IS ", is, is_len);
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76 }
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77 #else
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78 LTC_UNUSED_PARAM(which);
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79 LTC_UNUSED_PARAM(what);
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80 #endif
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81
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82 return res;
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83 }
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84
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85 /* ref: $Format:%D$ */
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86 /* git commit: $Format:%H$ */
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87 /* commit time: $Format:%ai$ */