sqlcipher-src 419.0.6+sqlcipher-4.19.0-sqlite-3.53.4-libtomcrypt-1.18.2

The SQLCipher amalgamation for native and wasm32 builds, with a libtomcrypt provider for targets without a system crypto library
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83

/* LibTomCrypt, modular cryptographic library -- Tom St Denis
 *
 * LibTomCrypt is a library that provides various cryptographic
 * algorithms in a highly modular and flexible manner.
 *
 * The library is free for all purposes without any express
 * guarantee it works.
 */
#include "tomcrypt.h"

/**
  @file omac_memory.c
  OMAC1 support, process a block of memory, Tom St Denis
*/

#ifdef LTC_OMAC

/**
   OMAC a block of memory
   @param cipher    The index of the desired cipher
   @param key       The secret key
   @param keylen    The length of the secret key (octets)
   @param in        The data to send through OMAC
   @param inlen     The length of the data to send through OMAC (octets)
   @param out       [out] The destination of the authentication tag
   @param outlen    [in/out]  The max size and resulting size of the authentication tag (octets)
   @return CRYPT_OK if successful
*/
int omac_memory(int cipher,
                const unsigned char *key, unsigned long keylen,
                const unsigned char *in,  unsigned long inlen,
                      unsigned char *out, unsigned long *outlen)
{
   int err;
   omac_state *omac;

   LTC_ARGCHK(key    != NULL);
   LTC_ARGCHK(in     != NULL);
   LTC_ARGCHK(out    != NULL);
   LTC_ARGCHK(outlen != NULL);

   /* is the cipher valid? */
   if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
      return err;
   }

   /* Use accelerator if found */
   if (cipher_descriptor[cipher].omac_memory != NULL) {
      return cipher_descriptor[cipher].omac_memory(key, keylen, in, inlen, out, outlen);
   }

   /* allocate ram for omac state */
   omac = XMALLOC(sizeof(omac_state));
   if (omac == NULL) {
      return CRYPT_MEM;
   }

   /* omac process the message */
   if ((err = omac_init(omac, cipher, key, keylen)) != CRYPT_OK) {
      goto LBL_ERR;
   }
   if ((err = omac_process(omac, in, inlen)) != CRYPT_OK) {
      goto LBL_ERR;
   }
   if ((err = omac_done(omac, out, outlen)) != CRYPT_OK) {
      goto LBL_ERR;
   }

   err = CRYPT_OK;
LBL_ERR:
#ifdef LTC_CLEAN_STACK
   zeromem(omac, sizeof(omac_state));
#endif

   XFREE(omac);
   return err;
}

#endif

/* ref:         HEAD -> master, tag: v1.18.2 */
/* git commit:  7e7eb695d581782f04b24dc444cbfde86af59853 */
/* commit time: 2018-07-01 22:49:01 +0200 */