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comparison libtomcrypt/src/pk/katja/katja_export.c @ 1471:6dba84798cd5

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Update to libtomcrypt 1.18.1, merged with Dropbear changes
author Matt Johnston <matt@ucc.asn.au>
date Fri, 09 Feb 2018 21:44:05 +0800
parents f849a5ca2efc
children
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1470:8bba51a55704 1471:6dba84798cd5
3 * LibTomCrypt is a library that provides various cryptographic 3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner. 4 * algorithms in a highly modular and flexible manner.
5 * 5 *
6 * The library is free for all purposes without any express 6 * The library is free for all purposes without any express
7 * guarantee it works. 7 * guarantee it works.
8 *
9 * Tom St Denis, [email protected], http://libtom.org
10 */ 8 */
11 #include "tomcrypt.h" 9 #include "tomcrypt.h"
12 10
13 /** 11 /**
14 @file katja_export.c 12 @file katja_export.c
15 Export Katja LTC_PKCS-style keys, Tom St Denis 13 Export Katja PKCS-style keys, Tom St Denis
16 */ 14 */
17 15
18 #ifdef MKAT 16 #ifdef LTC_MKAT
19 17
20 /** 18 /**
21 This will export either an KatjaPublicKey or KatjaPrivateKey 19 This will export either an KatjaPublicKey or KatjaPrivateKey
22 @param out [out] Destination of the packet 20 @param out [out] Destination of the packet
23 @param outlen [in/out] The max size and resulting size of the packet 21 @param outlen [in/out] The max size and resulting size of the packet
24 @param type The type of exported key (PK_PRIVATE or PK_PUBLIC) 22 @param type The type of exported key (PK_PRIVATE or PK_PUBLIC)
25 @param key The Katja key to export 23 @param key The Katja key to export
26 @return CRYPT_OK if successful 24 @return CRYPT_OK if successful
27 */ 25 */
28 int katja_export(unsigned char *out, unsigned long *outlen, int type, katja_key *key) 26 int katja_export(unsigned char *out, unsigned long *outlen, int type, katja_key *key)
29 { 27 {
30 int err; 28 int err;
31 unsigned long zero=0; 29 unsigned long zero=0;
32 30
39 return CRYPT_PK_INVALID_TYPE; 37 return CRYPT_PK_INVALID_TYPE;
40 } 38 }
41 39
42 if (type == PK_PRIVATE) { 40 if (type == PK_PRIVATE) {
43 /* private key */ 41 /* private key */
44 /* output is 42 /* output is
45 Version, n, d, p, q, d mod (p-1), d mod (q - 1), 1/q mod p, pq 43 Version, n, d, p, q, d mod (p-1), d mod (q - 1), 1/q mod p, pq
46 */ 44 */
47 if ((err = der_encode_sequence_multi(out, outlen, 45 if ((err = der_encode_sequence_multi(out, outlen,
48 LTC_ASN1_SHORT_INTEGER, 1UL, &zero, 46 LTC_ASN1_SHORT_INTEGER, 1UL, &zero,
49 LTC_ASN1_INTEGER, 1UL, key->N, 47 LTC_ASN1_INTEGER, 1UL, key->N,
50 LTC_ASN1_INTEGER, 1UL, key->d, 48 LTC_ASN1_INTEGER, 1UL, key->d,
51 LTC_ASN1_INTEGER, 1UL, key->p, 49 LTC_ASN1_INTEGER, 1UL, key->p,
52 LTC_ASN1_INTEGER, 1UL, key->q, 50 LTC_ASN1_INTEGER, 1UL, key->q,
53 LTC_ASN1_INTEGER, 1UL, key->dP, 51 LTC_ASN1_INTEGER, 1UL, key->dP,
54 LTC_ASN1_INTEGER, 1UL, key->dQ, 52 LTC_ASN1_INTEGER, 1UL, key->dQ,
55 LTC_ASN1_INTEGER, 1UL, key->qP, 53 LTC_ASN1_INTEGER, 1UL, key->qP,
56 LTC_ASN1_INTEGER, 1UL, key->pq, 54 LTC_ASN1_INTEGER, 1UL, key->pq,
57 LTC_ASN1_EOL, 0UL, NULL)) != CRYPT_OK) { 55 LTC_ASN1_EOL, 0UL, NULL)) != CRYPT_OK) {
58 return err; 56 return err;
59 } 57 }
60 58
61 /* clear zero and return */ 59 /* clear zero and return */
62 return CRYPT_OK; 60 return CRYPT_OK;
63 } else { 61 } else {
64 /* public key */ 62 /* public key */
65 return der_encode_sequence_multi(out, outlen, 63 return der_encode_sequence_multi(out, outlen,
66 LTC_ASN1_INTEGER, 1UL, key->N, 64 LTC_ASN1_INTEGER, 1UL, key->N,
67 LTC_ASN1_EOL, 0UL, NULL); 65 LTC_ASN1_EOL, 0UL, NULL);
68 } 66 }
69 } 67 }
70 68
71 #endif /* LTC_MRSA */ 69 #endif /* LTC_MRSA */
72 70
73 /* $Source$ */ 71 /* ref: $Format:%D$ */
74 /* $Revision$ */ 72 /* git commit: $Format:%H$ */
75 /* $Date$ */ 73 /* commit time: $Format:%ai$ */