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Diffstat (limited to 'plugins/MirOTR/Libgcrypt/src/hmac256.c')
-rw-r--r--plugins/MirOTR/Libgcrypt/src/hmac256.c89
1 files changed, 46 insertions, 43 deletions
diff --git a/plugins/MirOTR/Libgcrypt/src/hmac256.c b/plugins/MirOTR/Libgcrypt/src/hmac256.c
index b2f83dd0e7..94a26da448 100644
--- a/plugins/MirOTR/Libgcrypt/src/hmac256.c
+++ b/plugins/MirOTR/Libgcrypt/src/hmac256.c
@@ -17,7 +17,7 @@
* License along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
-/*
+/*
This is a standalone HMAC-SHA-256 implementation based on the code
from ../cipher/sha256.c. It is a second implementation to allow
comparing against the standard implementations and to be used for
@@ -33,7 +33,7 @@
Constants:
- WORDS_BIGENDIAN Defined to 1 on big endian systems.
+ WORDS_BIGENDIAN Defined to 1 on big endian systems.
inline If defined, it should yield the keyword used
to inline a function.
HAVE_U32_TYPEDEF Defined if the u32 type is available.
@@ -56,6 +56,15 @@
# include <fcntl.h> /* We need setmode(). */
#endif
+/* For a native WindowsCE binary we need to include gpg-error.h to
+ provide a replacement for strerror. In other cases we need a
+ replacement macro for gpg_err_set_errno. */
+#ifdef __MINGW32CE__
+# include <gpg-error.h>
+#else
+# define gpg_err_set_errno(a) (errno = (a))
+#endif
+
#include "hmac256.h"
@@ -82,25 +91,17 @@ struct hmac256_context
u32 nblocks;
int count;
int finalized:1;
- int use_hmac:1;
+ int use_hmac:1;
unsigned char buf[64];
unsigned char opad[64];
};
/* Rotate a 32 bit word. */
-#if defined(__GNUC__) && defined(__i386__)
-static inline u32
-ror(u32 x, int n)
+static inline u32 ror(u32 x, int n)
{
- __asm__("rorl %%cl,%0"
- :"=r" (x)
- :"0" (x),"c" (n));
- return x;
+ return ( ((x) >> (n)) | ((x) << (32-(n))) );
}
-#else
-#define ror(x,n) ( ((x) >> (n)) | ((x) << (32-(n))) )
-#endif
#define my_wipememory2(_ptr,_set,_len) do { \
volatile char *_vptr=(volatile char *)(_ptr); \
@@ -112,7 +113,7 @@ ror(u32 x, int n)
-/*
+/*
The SHA-256 core: Transform the message X which consists of 16
32-bit-words. See FIPS 180-2 for details.
*/
@@ -140,13 +141,13 @@ transform (hmac256_context_t hd, const void *data_arg)
b = a; \
a = t1 + t2; \
} while (0)
-
- static const u32 K[64] =
+
+ static const u32 K[64] =
{
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
- 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+ 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
@@ -165,7 +166,7 @@ transform (hmac256_context_t hd, const void *data_arg)
u32 x[16];
u32 w[64];
int i;
-
+
a = hd->h0;
b = hd->h1;
c = hd->h2;
@@ -174,14 +175,14 @@ transform (hmac256_context_t hd, const void *data_arg)
f = hd->h5;
g = hd->h6;
h = hd->h7;
-
+
#ifdef WORDS_BIGENDIAN
memcpy (x, data, 64);
#else /*!WORDS_BIGENDIAN*/
- {
+ {
unsigned char *p2;
-
- for (i=0, p2=(unsigned char*)x; i < 16; i++, p2 += 4 )
+
+ for (i=0, p2=(unsigned char*)x; i < 16; i++, p2 += 4 )
{
p2[3] = *data++;
p2[2] = *data++;
@@ -223,7 +224,7 @@ finalize (hmac256_context_t hd)
{
u32 t, msb, lsb;
unsigned char *p;
-
+
if (hd->finalized)
return; /* Silently ignore a finalized context. */
@@ -287,7 +288,7 @@ finalize (hmac256_context_t hd)
/* Create a new context. On error NULL is returned and errno is set
- appropriately. If KEY is given the fucntion computes HMAC using
+ appropriately. If KEY is given the function computes HMAC using
this key; with KEY given as NULL, a plain SHA-256 digest is
computed. */
hmac256_context_t
@@ -327,7 +328,7 @@ _gcry_hmac256_new (const void *key, size_t keylen)
else
{
hmac256_context_t tmphd;
-
+
tmphd = _gcry_hmac256_new (NULL, 0);
if (!tmphd)
{
@@ -340,7 +341,7 @@ _gcry_hmac256_new (const void *key, size_t keylen)
memcpy (hd->opad, tmphd->buf, 32);
_gcry_hmac256_release (tmphd);
}
- for (i=0; i < 64; i++)
+ for (i=0; i < 64; i++)
{
ipad[i] ^= 0x36;
hd->opad[i] ^= 0x5c;
@@ -349,7 +350,7 @@ _gcry_hmac256_new (const void *key, size_t keylen)
_gcry_hmac256_update (hd, ipad, 64);
my_wipememory (ipad, 64);
}
-
+
return hd;
}
@@ -380,7 +381,7 @@ _gcry_hmac256_update (hmac256_context_t hd,
return; /* Silently ignore a finalized context. */
if (hd->count == 64)
- {
+ {
/* Flush the buffer. */
transform (hd, hd->buf);
hd->count = 0;
@@ -422,7 +423,7 @@ _gcry_hmac256_finalize (hmac256_context_t hd, size_t *r_dlen)
if (hd->use_hmac)
{
hmac256_context_t tmphd;
-
+
tmphd = _gcry_hmac256_new (NULL, 0);
if (!tmphd)
{
@@ -447,7 +448,7 @@ _gcry_hmac256_finalize (hmac256_context_t hd, size_t *r_dlen)
FILENAME. KEY and KEYLEN are as described for _gcry_hmac256_new.
On success the function returns the valid length of the result
buffer (which will be 32) or -1 on error. On error ERRNO is set
- appropriate. */
+ appropriate. */
int
_gcry_hmac256_file (void *result, size_t resultsize, const char *filename,
const void *key, size_t keylen)
@@ -457,7 +458,7 @@ _gcry_hmac256_file (void *result, size_t resultsize, const char *filename,
size_t buffer_size, nread, digestlen;
char *buffer;
const unsigned char *digest;
-
+
fp = fopen (filename, "rb");
if (!fp)
return -1;
@@ -498,11 +499,11 @@ _gcry_hmac256_file (void *result, size_t resultsize, const char *filename,
_gcry_hmac256_release (hd);
return -1;
}
-
+
if (digestlen > resultsize)
{
_gcry_hmac256_release (hd);
- errno = EINVAL;
+ gpg_err_set_errno (EINVAL);
return -1;
}
memcpy (result, digest, digestlen);
@@ -517,7 +518,7 @@ _gcry_hmac256_file (void *result, size_t resultsize, const char *filename,
static int
selftest (void)
{
- static struct
+ static struct
{
const char * const desc;
const char * const data;
@@ -526,7 +527,7 @@ selftest (void)
} tv[] =
{
{ "data-28 key-4",
- "what do ya want for nothing?",
+ "what do ya want for nothing?",
"Jefe",
{ 0x5b, 0xdc, 0xc1, 0x46, 0xbf, 0x60, 0x75, 0x4e,
0x6a, 0x04, 0x24, 0x26, 0x08, 0x95, 0x75, 0xc7,
@@ -603,7 +604,7 @@ selftest (void)
{ NULL }
};
int tvidx;
-
+
for (tvidx=0; tv[tvidx].desc; tvidx++)
{
hmac256_context_t hmachd;
@@ -628,12 +629,12 @@ selftest (void)
}
_gcry_hmac256_release (hmachd);
}
-
+
return 0; /* Succeeded. */
}
-int
+int
main (int argc, char **argv)
{
const char *pgm;
@@ -690,7 +691,7 @@ main (int argc, char **argv)
argc--; argv++;
use_binary = 1;
}
- }
+ }
if (argc < 1)
{
@@ -720,14 +721,14 @@ main (int argc, char **argv)
fp = use_stdin? stdin : fopen (fname, "rb");
if (!fp)
{
- fprintf (stderr, "%s: can't open `%s': %s\n",
+ fprintf (stderr, "%s: can't open `%s': %s\n",
pgm, fname, strerror (errno));
exit (1);
}
hd = _gcry_hmac256_new (key, keylen);
if (!hd)
{
- fprintf (stderr, "%s: can't allocate context: %s\n",
+ fprintf (stderr, "%s: can't allocate context: %s\n",
pgm, strerror (errno));
exit (1);
}
@@ -735,7 +736,7 @@ main (int argc, char **argv)
_gcry_hmac256_update (hd, buffer, n);
if (ferror (fp))
{
- fprintf (stderr, "%s: error reading `%s': %s\n",
+ fprintf (stderr, "%s: error reading `%s': %s\n",
pgm, fname, strerror (errno));
exit (1);
}
@@ -753,10 +754,12 @@ main (int argc, char **argv)
{
if (fwrite (digest, dlen, 1, stdout) != 1)
{
- fprintf (stderr, "%s: error writing output: %s\n",
+ fprintf (stderr, "%s: error writing output: %s\n",
pgm, strerror (errno));
exit (1);
}
+ if (use_stdin)
+ break;
}
else
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 03:26:43 +0000