Mercurial > dropbear
annotate libtomcrypt/testprof/dsa_test.c @ 494:66eac4631d88
- Work around rsync and scp parsing and modifying the user@host argument,
which break's dbclient's multihop syntax
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 22 Sep 2008 15:47:35 +0000 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
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1 #include <tomcrypt_test.h> |
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2 |
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3 #ifdef MDSA |
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4 |
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5 int dsa_test(void) |
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6 { |
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7 unsigned char msg[16], out[1024], out2[1024]; |
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8 unsigned long x, y; |
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9 int stat1, stat2; |
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10 dsa_key key, key2; |
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11 |
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12 /* make a random key */ |
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13 DO(dsa_make_key(&yarrow_prng, find_prng("yarrow"), 20, 128, &key)); |
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14 |
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15 /* verify it */ |
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16 DO(dsa_verify_key(&key, &stat1)); |
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17 if (stat1 == 0) { fprintf(stderr, "dsa_verify_key "); return 1; } |
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18 |
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19 /* encrypt a message */ |
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20 for (x = 0; x < 16; x++) { msg[x] = x; } |
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21 x = sizeof(out); |
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22 DO(dsa_encrypt_key(msg, 16, out, &x, &yarrow_prng, find_prng("yarrow"), find_hash("sha1"), &key)); |
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23 |
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24 /* decrypt */ |
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25 y = sizeof(out2); |
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26 DO(dsa_decrypt_key(out, x, out2, &y, &key)); |
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27 |
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28 if (y != 16 || memcmp(out2, msg, 16)) { |
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29 fprintf(stderr, "dsa_decrypt failed, y == %lu\n", y); |
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30 return 1; |
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31 } |
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32 |
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33 /* sign the message */ |
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34 x = sizeof(out); |
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35 DO(dsa_sign_hash(msg, sizeof(msg), out, &x, &yarrow_prng, find_prng("yarrow"), &key)); |
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36 |
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37 /* verify it once */ |
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38 DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat1, &key)); |
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39 |
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40 /* Modify and verify again */ |
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41 msg[0] ^= 1; |
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42 DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat2, &key)); |
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43 msg[0] ^= 1; |
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44 if (!(stat1 == 1 && stat2 == 0)) { fprintf(stderr, "dsa_verify %d %d", stat1, stat2); return 1; } |
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45 |
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46 /* test exporting it */ |
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47 x = sizeof(out2); |
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48 DO(dsa_export(out2, &x, PK_PRIVATE, &key)); |
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49 DO(dsa_import(out2, x, &key2)); |
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50 |
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51 /* verify a signature with it */ |
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52 DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat1, &key2)); |
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53 if (stat1 == 0) { fprintf(stderr, "dsa_verify (import private) %d ", stat1); return 1; } |
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54 dsa_free(&key2); |
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55 |
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56 /* export as public now */ |
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57 x = sizeof(out2); |
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58 DO(dsa_export(out2, &x, PK_PUBLIC, &key)); |
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59 |
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60 DO(dsa_import(out2, x, &key2)); |
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61 /* verify a signature with it */ |
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62 DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat1, &key2)); |
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63 if (stat1 == 0) { fprintf(stderr, "dsa_verify (import public) %d ", stat1); return 1; } |
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64 dsa_free(&key2); |
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65 dsa_free(&key); |
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66 |
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67 return 0; |
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68 } |
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69 |
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70 #else |
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71 |
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72 int dsa_test(void) |
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73 { |
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74 fprintf(stderr, "NOP"); |
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75 return 0; |
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76 } |
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77 |
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78 #endif |
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80 /* $Source: /cvs/libtom/libtomcrypt/testprof/dsa_test.c,v $ */ |
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81 /* $Revision: 1.9 $ */ |
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82 /* $Date: 2005/10/30 18:49:14 $ */ |