Mercurial > dropbear
comparison libtomcrypt/src/pk/pkcs1/pkcs_1_i2osp.c @ 1435:f849a5ca2efc
update to libtomcrypt 1.17 (with Dropbear changes)
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sat, 24 Jun 2017 17:50:50 +0800 |
parents | 0cbe8f6dbf9e |
children | 6dba84798cd5 |
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1434:27b9ddb06b09 | 1435:f849a5ca2efc |
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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 * | 8 * |
9 * Tom St Denis, [email protected], http://libtomcrypt.com | 9 * Tom St Denis, [email protected], http://libtom.org |
10 */ | 10 */ |
11 #include "tomcrypt.h" | 11 #include "tomcrypt.h" |
12 | 12 |
13 /** | 13 /** |
14 @file pkcs_1_i2osp.c | 14 @file pkcs_1_i2osp.c |
15 Integer to Octet I2OSP, Tom St Denis | 15 Integer to Octet I2OSP, Tom St Denis |
16 */ | 16 */ |
17 | 17 |
18 #ifdef PKCS_1 | 18 #ifdef LTC_PKCS_1 |
19 | 19 |
20 /* always stores the same # of bytes, pads with leading zero bytes | 20 /* always stores the same # of bytes, pads with leading zero bytes |
21 as required | 21 as required |
22 */ | 22 */ |
23 | 23 |
24 /** | 24 /** |
25 PKCS #1 Integer to binary | 25 LTC_PKCS #1 Integer to binary |
26 @param n The integer to store | 26 @param n The integer to store |
27 @param modulus_len The length of the RSA modulus | 27 @param modulus_len The length of the RSA modulus |
28 @param out [out] The destination for the integer | 28 @param out [out] The destination for the integer |
29 @return CRYPT_OK if successful | 29 @return CRYPT_OK if successful |
30 */ | 30 */ |
41 /* store it */ | 41 /* store it */ |
42 zeromem(out, modulus_len); | 42 zeromem(out, modulus_len); |
43 return mp_to_unsigned_bin(n, out+(modulus_len-size)); | 43 return mp_to_unsigned_bin(n, out+(modulus_len-size)); |
44 } | 44 } |
45 | 45 |
46 #endif /* PKCS_1 */ | 46 #endif /* LTC_PKCS_1 */ |
47 | 47 |
48 | 48 |
49 /* $Source: /cvs/libtom/libtomcrypt/src/pk/pkcs1/pkcs_1_i2osp.c,v $ */ | 49 /* $Source$ */ |
50 /* $Revision: 1.5 $ */ | 50 /* $Revision$ */ |
51 /* $Date: 2006/03/31 14:15:35 $ */ | 51 /* $Date$ */ |