Mercurial > dropbear
annotate libtomcrypt/src/pk/katja/katja_export.c @ 651:a48a1f6ab43e
- Fix some format strings in TRACE()s
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 04 Dec 2011 05:24:50 +0800 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
rev | line source |
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382
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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 * Tom St Denis, [email protected], http://libtomcrypt.com |
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10 */ |
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11 #include "tomcrypt.h" |
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12 |
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13 /** |
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14 @file katja_export.c |
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15 Export Katja PKCS-style keys, 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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21 This will export either an KatjaPublicKey or KatjaPrivateKey |
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22 @param out [out] Destination of the packet |
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23 @param outlen [in/out] The max size and resulting size of the packet |
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24 @param type The type of exported key (PK_PRIVATE or PK_PUBLIC) |
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25 @param key The Katja key to export |
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26 @return CRYPT_OK if successful |
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27 */ |
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28 int katja_export(unsigned char *out, unsigned long *outlen, int type, katja_key *key) |
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29 { |
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30 int err; |
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31 unsigned long zero=0; |
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32 |
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33 LTC_ARGCHK(out != NULL); |
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34 LTC_ARGCHK(outlen != NULL); |
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35 LTC_ARGCHK(key != NULL); |
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36 |
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37 /* type valid? */ |
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38 if (!(key->type == PK_PRIVATE) && (type == PK_PRIVATE)) { |
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39 return CRYPT_PK_INVALID_TYPE; |
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40 } |
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41 |
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42 if (type == PK_PRIVATE) { |
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43 /* private key */ |
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44 /* output is |
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45 Version, n, d, p, q, d mod (p-1), d mod (q - 1), 1/q mod p, pq |
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46 */ |
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47 if ((err = der_encode_sequence_multi(out, outlen, |
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48 LTC_ASN1_SHORT_INTEGER, 1UL, &zero, |
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49 LTC_ASN1_INTEGER, 1UL, key->N, |
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50 LTC_ASN1_INTEGER, 1UL, key->d, |
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51 LTC_ASN1_INTEGER, 1UL, key->p, |
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52 LTC_ASN1_INTEGER, 1UL, key->q, |
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53 LTC_ASN1_INTEGER, 1UL, key->dP, |
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54 LTC_ASN1_INTEGER, 1UL, key->dQ, |
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55 LTC_ASN1_INTEGER, 1UL, key->qP, |
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56 LTC_ASN1_INTEGER, 1UL, key->pq, |
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57 LTC_ASN1_EOL, 0UL, NULL)) != CRYPT_OK) { |
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58 return err; |
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59 } |
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60 |
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61 /* clear zero and return */ |
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62 return CRYPT_OK; |
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63 } else { |
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64 /* public key */ |
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65 return der_encode_sequence_multi(out, outlen, |
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66 LTC_ASN1_INTEGER, 1UL, key->N, |
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67 LTC_ASN1_EOL, 0UL, NULL); |
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68 } |
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69 } |
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70 |
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71 #endif /* MRSA */ |
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72 |
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73 /* $Source: /cvs/libtom/libtomcrypt/src/pk/katja/katja_export.c,v $ */ |
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74 /* $Revision: 1.2 $ */ |
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75 /* $Date: 2006/03/31 14:15:35 $ */ |