Mercurial > dropbear

annotate libtomcrypt/src/pk/katja/katja_import.c @ 1693:f9ad4d39e388

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Bring back -Werror and improve travis tests
author Matt Johnston <matt@ucc.asn.au>
date Tue, 26 May 2020 23:53:50 +0800
parents 6dba84798cd5
children
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382
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diff changeset
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 #include "tomcrypt.h"
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10
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11 /**
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12 @file katja_import.c
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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13 Import a PKCS-style Katja key, Tom St Denis
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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14 */
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15
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6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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16 #ifdef LTC_MKAT
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17
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18 /**
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6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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19 Import an KatjaPublicKey or KatjaPrivateKey [two-prime only, only support >= 1024-bit keys, defined in PKCS #1 v2.1]
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20 @param in The packet to import from
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21 @param inlen It's length (octets)
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22 @param key [out] Destination for newly imported key
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23 @return CRYPT_OK if successful, upon error allocated memory is freed
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24 */
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25 int katja_import(const unsigned char *in, unsigned long inlen, katja_key *key)
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26 {
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27 int err;
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28 void *zero;
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29
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30 LTC_ARGCHK(in != NULL);
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31 LTC_ARGCHK(key != NULL);
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32 LTC_ARGCHK(ltc_mp.name != NULL);
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33
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34 /* init key */
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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35 if ((err = mp_init_multi(&zero, &key->d, &key->N, &key->dQ,
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36 &key->dP, &key->qP, &key->p, &key->q, &key->pq, NULL)) != CRYPT_OK) {
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37 return err;
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38 }
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39
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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40 if ((err = der_decode_sequence_multi(in, inlen,
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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41 LTC_ASN1_INTEGER, 1UL, key->N,
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42 LTC_ASN1_EOL, 0UL, NULL)) != CRYPT_OK) {
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43 goto LBL_ERR;
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44 }
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45
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46 if (mp_cmp_d(key->N, 0) == LTC_MP_EQ) {
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47 /* it's a private key */
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6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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48 if ((err = der_decode_sequence_multi(in, inlen,
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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49 LTC_ASN1_INTEGER, 1UL, zero,
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50 LTC_ASN1_INTEGER, 1UL, key->N,
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51 LTC_ASN1_INTEGER, 1UL, key->d,
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52 LTC_ASN1_INTEGER, 1UL, key->p,
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53 LTC_ASN1_INTEGER, 1UL, key->q,
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54 LTC_ASN1_INTEGER, 1UL, key->dP,
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6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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55 LTC_ASN1_INTEGER, 1UL, key->dQ,
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56 LTC_ASN1_INTEGER, 1UL, key->qP,
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57 LTC_ASN1_INTEGER, 1UL, key->pq,
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58 LTC_ASN1_EOL, 0UL, NULL)) != CRYPT_OK) {
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59 goto LBL_ERR;
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60 }
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61 key->type = PK_PRIVATE;
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62 } else {
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63 /* public we have N */
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64 key->type = PK_PUBLIC;
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65 }
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66 mp_clear(zero);
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67 return CRYPT_OK;
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68 LBL_ERR:
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69 mp_clear_multi(zero, key->d, key->N, key->dQ, key->dP,
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70 key->qP, key->p, key->q, key->pq, NULL);
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71 return err;
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72 }
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73
1435
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
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74 #endif /* LTC_MRSA */
382
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75
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76
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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77 /* ref: $Format:%D$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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78 /* git commit: $Format:%H$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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79 /* commit time: $Format:%ai$ */