Mercurial > dropbear

annotate libtomcrypt/src/pk/katja/katja_import.c @ 1116:3d9519ec2b85

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Turn TCPFwdEntry's connectaddr and listenaddr attributes into char *
author Gaël PORTAY <gael.portay@gmail.com>
date Sat, 02 May 2015 23:54:06 +0200
parents 0cbe8f6dbf9e
children f849a5ca2efc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
382
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diff changeset
1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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diff changeset
2 *
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diff changeset
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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diff changeset
7 * guarantee it works.
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8 *
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9 * Tom St Denis, [email protected], http://libtomcrypt.com
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10 */
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diff changeset
11 #include "tomcrypt.h"
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12
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13 /**
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14 @file katja_import.c
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15 Import a PKCS-style Katja key, Tom St Denis
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16 */
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17
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18 #ifdef MKAT
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19
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20 /**
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diff changeset
21 Import an KatjaPublicKey or KatjaPrivateKey [two-prime only, only support >= 1024-bit keys, defined in PKCS #1 v2.1]
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22 @param in The packet to import from
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23 @param inlen It's length (octets)
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24 @param key [out] Destination for newly imported key
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25 @return CRYPT_OK if successful, upon error allocated memory is freed
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26 */
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27 int katja_import(const unsigned char *in, unsigned long inlen, katja_key *key)
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28 {
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29 int err;
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30 void *zero;
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31
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32 LTC_ARGCHK(in != NULL);
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33 LTC_ARGCHK(key != NULL);
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34 LTC_ARGCHK(ltc_mp.name != NULL);
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35
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36 /* init key */
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37 if ((err = mp_init_multi(&zero, &key->d, &key->N, &key->dQ,
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38 &key->dP, &key->qP, &key->p, &key->q, &key->pq, NULL)) != CRYPT_OK) {
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39 return err;
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40 }
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41
0cbe8f6dbf9e propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
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42 if ((err = der_decode_sequence_multi(in, inlen,
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43 LTC_ASN1_INTEGER, 1UL, key->N,
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44 LTC_ASN1_EOL, 0UL, NULL)) != CRYPT_OK) {
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45 goto LBL_ERR;
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46 }
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47
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48 if (mp_cmp_d(key->N, 0) == LTC_MP_EQ) {
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49 /* it's a private key */
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50 if ((err = der_decode_sequence_multi(in, inlen,
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51 LTC_ASN1_INTEGER, 1UL, zero,
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52 LTC_ASN1_INTEGER, 1UL, key->N,
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53 LTC_ASN1_INTEGER, 1UL, key->d,
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54 LTC_ASN1_INTEGER, 1UL, key->p,
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55 LTC_ASN1_INTEGER, 1UL, key->q,
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56 LTC_ASN1_INTEGER, 1UL, key->dP,
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diff changeset
57 LTC_ASN1_INTEGER, 1UL, key->dQ,
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58 LTC_ASN1_INTEGER, 1UL, key->qP,
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diff changeset
59 LTC_ASN1_INTEGER, 1UL, key->pq,
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diff changeset
60 LTC_ASN1_EOL, 0UL, NULL)) != CRYPT_OK) {
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61 goto LBL_ERR;
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62 }
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diff changeset
63 key->type = PK_PRIVATE;
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64 } else {
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Matt Johnston <matt@ucc.asn.au>
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diff changeset
65 /* public we have N */
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Matt Johnston <matt@ucc.asn.au>
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diff changeset
66 key->type = PK_PUBLIC;
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67 }
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diff changeset
68 mp_clear(zero);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
69 return CRYPT_OK;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
70 LBL_ERR:
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
71 mp_clear_multi(zero, key->d, key->N, key->dQ, key->dP,
0cbe8f6dbf9e propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
72 key->qP, key->p, key->q, key->pq, NULL);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
73 return err;
0cbe8f6dbf9e propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
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parents:
diff changeset
74 }
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Matt Johnston <matt@ucc.asn.au>
parents:
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75
0cbe8f6dbf9e propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
76 #endif /* MRSA */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
77
0cbe8f6dbf9e propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
78
0cbe8f6dbf9e propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
79 /* $Source: /cvs/libtom/libtomcrypt/src/pk/katja/katja_import.c,v $ */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
80 /* $Revision: 1.3 $ */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
81 /* $Date: 2006/03/31 14:15:35 $ */