12690005093

Committed 09 Jan 2025 12:36PM UTC coverage: 89.675% (-0.001%) from 89.676%

Build # 12690005093

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push

github

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web-flow

Commit Message

Merge pull request #319 from libtom/add/SIV

Add SIV

Run Details

224 of 256 new or added lines in 2 files covered. (87.5%)

1 existing line in 1 file now uncovered.

16276 of 18150 relevant lines covered (89.67%)

2050165.82 hits per line

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91.3

/src/mac/omac/omac_memory_multi.c

/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
#include "tomcrypt_private.h"
#include <stdarg.h>

/**
  @file omac_memory_multi.c
  OMAC1 support, process multiple blocks of memory, Tom St Denis
*/

#ifdef LTC_OMAC

static LTC_INLINE int s_omac_vprocess(omac_state *omac, const unsigned char *in,  unsigned long inlen, va_list args)
{
   const unsigned char * curptr = in;
   unsigned long curlen = inlen;
   int err;
   for (;;) {
      /* process buf */
      if ((err = omac_process(omac, curptr, curlen)) != CRYPT_OK) {
         return err;
      }
      /* step to next */
      curptr = va_arg(args, const unsigned char*);
      if (curptr == NULL) {
         break;
      }
      curlen = va_arg(args, unsigned long);
   }
   return CRYPT_OK;
}

int omac_vprocess(omac_state *omac, const unsigned char *in,  unsigned long inlen, va_list args)
{
   return s_omac_vprocess(omac, in, inlen, args);
}

/**
   OMAC multiple blocks 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 out       [out] The destination of the authentication tag
   @param outlen    [in/out]  The max size and resulting size of the authentication tag (octets)
   @param in        The data to send through OMAC
   @param inlen     The length of the data to send through OMAC (octets)
   @param ...       tuples of (data,len) pairs to OMAC, terminated with a (NULL,x) (x=don't care)
   @return CRYPT_OK if successful
*/
int omac_memory_multi(int cipher,
                const unsigned char *key, unsigned long keylen,
                      unsigned char *out, unsigned long *outlen,
                const unsigned char *in,  unsigned long inlen, ...)
{
   int                  err;
   omac_state          *omac;
   va_list              args;

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

   /* 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;
   }
   va_start(args, inlen);
   if ((err = s_omac_vprocess(omac, in, inlen, args)) != CRYPT_OK) {
      goto LBL_ERR;
   }
   err = omac_done(omac, out, outlen);
LBL_ERR:
#ifdef LTC_CLEAN_STACK
   zeromem(omac, sizeof(omac_state));
#endif
   XFREE(omac);
   va_end(args);
   return err;
}

#endif

1	/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2	/* SPDX-License-Identifier: Unlicense */
3	#include "tomcrypt_private.h"
4	#include <stdarg.h>
5
6	/**
7	@file omac_memory_multi.c
8	OMAC1 support, process multiple blocks of memory, Tom St Denis
9	*/
10
11	#ifdef LTC_OMAC
12
13	static LTC_INLINE int s_omac_vprocess(omac_state omac, const unsigned char in, unsigned long inlen, va_list args)
14	{
15	const unsigned char * curptr = in;
16	unsigned long curlen = inlen;
17	int err;
18	for (;;) {
19	/* process buf */
20	if ((err = omac_process(omac, curptr, curlen)) != CRYPT_OK) {	64✔
21	return err;
22	}
23	/* step to next */
24	curptr = va_arg(args, const unsigned char*);	64✔
25	if (curptr == NULL) {	64✔
26	break;
27	}
28	curlen = va_arg(args, unsigned long);	36✔
29	}
30	return CRYPT_OK;
31	}
32
33	int omac_vprocess(omac_state omac, const unsigned char in, unsigned long inlen, va_list args)	16✔
34	{
35	return s_omac_vprocess(omac, in, inlen, args);	16✔
36	}
37
38	/**
39	OMAC multiple blocks of memory
40	@param cipher The index of the desired cipher
41	@param key The secret key
42	@param keylen The length of the secret key (octets)
43	@param out [out] The destination of the authentication tag
44	@param outlen [in/out] The max size and resulting size of the authentication tag (octets)
45	@param in The data to send through OMAC
46	@param inlen The length of the data to send through OMAC (octets)
47	@param ... tuples of (data,len) pairs to OMAC, terminated with a (NULL,x) (x=don't care)
48	@return CRYPT_OK if successful
49	*/
50	int omac_memory_multi(int cipher,	12✔
51	const unsigned char *key, unsigned long keylen,
52	unsigned char out, unsigned long outlen,
53	const unsigned char *in, unsigned long inlen, ...)
54	{
55	int err;
56	omac_state *omac;
57	va_list args;
58
59	LTC_ARGCHK(key != NULL);	12✔
60	LTC_ARGCHK(in != NULL);	12✔
61	LTC_ARGCHK(out != NULL);	12✔
62	LTC_ARGCHK(outlen != NULL);	12✔
63
64	/* allocate ram for omac state */
65	omac = XMALLOC(sizeof(omac_state));	12✔
66	if (omac == NULL) {	12✔
67	return CRYPT_MEM;
68	}
69
70	/* omac process the message */
71	if ((err = omac_init(omac, cipher, key, keylen)) != CRYPT_OK) {	12✔
72	goto LBL_ERR;	×
73	}
74	va_start(args, inlen);	12✔
75	if ((err = s_omac_vprocess(omac, in, inlen, args)) != CRYPT_OK) {	12✔
UNCOV 76	goto LBL_ERR;	×
77	}
78	err = omac_done(omac, out, outlen);	12✔
79	LBL_ERR:	12✔
80	#ifdef LTC_CLEAN_STACK
81	zeromem(omac, sizeof(omac_state));
82	#endif
83	XFREE(omac);	12✔
84	va_end(args);	12✔
85	return err;	12✔
86	}
87
88	#endif

libtom / libtomcrypt / 12690005093

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