Mercurial > dropbear

annotate libtomcrypt/testprof/dsa_test.c @ 1629:258b57b208ae

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Fix for issue successfull login of disabled user (#78) This commit introduces fix for scenario: 1. Root login disabled on dropbear 2. PAM authentication model enabled While login as root user, after prompt for password user is being notified about login failrue, but after second attempt of prompt for password within same session, login becames succesfull. Signed-off-by: Pawel Rapkiewicz <[email protected]>
author vincentto13 <33652988+vincentto13@users.noreply.github.com>
date Wed, 20 Mar 2019 15:03:40 +0100
parents f849a5ca2efc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #include <tomcrypt_test.h>
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2
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3 #ifdef LTC_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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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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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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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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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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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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79
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80 /* $Source$ */
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81 /* $Revision$ */
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82 /* $Date$ */