security-and-privacy/gnupg
security-and-privacy/gnupg
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a couple of changes; but some parts are now broken

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This commit is contained in:
Werner Koch 1998-02-11 03:25:44 +00:00
parent d6fa02add6
commit 4c0c155922
46 changed files with 1879 additions and 433 deletions
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2
cipher/Makefile.in
View file

@ -130,7 +130,7 @@ AR = ar
CFLAGS = @CFLAGS@
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
LINK = $(CC) $(CFLAGS) $(LDFLAGS) -o $@
DIST_COMMON = Makefile.am Makefile.in
DIST_COMMON = ChangeLog Makefile.am Makefile.in
DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)

2
cipher/blowfish.c
View file

@ -228,7 +228,7 @@ static const u32 ps[BLOWFISH_ROUNDS+2] = {
static u32
static inline u32
function_F( BLOWFISH_context *bc, u32 x )
{
u16 a, b, c, d;

28
cipher/elgamal.c
View file

@ -311,25 +311,37 @@ elg_verify(MPI a, MPI b, MPI input, ELG_public_key *pkey )
int rc;
MPI t1;
MPI t2;
MPI base[4];
MPI exp[4];
if( !(mpi_cmp_ui( a, 0 ) > 0 && mpi_cmp( a, pkey->p ) < 0) )
return 0; /* assertion 0 < a < p failed */
t1 = mpi_alloc( mpi_get_nlimbs(a) );
t2 = mpi_alloc( mpi_get_nlimbs(a) );
/* t1 = (y^a mod p) * (a^b mod p) mod p
* fixme: should be calculated by a call which evalutes
* t1 = y^a * a^b mod p
* direct.
*/
mpi_powm( t1, pkey->y, a, pkey->p );
mpi_powm( t2, a, b, pkey->p );
mpi_mulm( t1, t1, t2, pkey->p );
#if 0
/* t1 = (y^a mod p) * (a^b mod p) mod p */
base[0] = pkey->y; exp[0] = a;
base[1] = a; exp[1] = b;
base[2] = NULL; exp[2] = NULL;
mpi_mulpowm( t1, base, exp, pkey->p );
/* t2 = g ^ input mod p */
mpi_powm( t2, pkey->g, input, pkey->p );
rc = !mpi_cmp( t1, t2 );
#else
/* t1 = g ^ - input * y ^ a * a ^ b mod p */
mpi_invm(t2, pkey->g, pkey->p );
base[0] = t2 ; exp[0] = input;
base[1] = pkey->y; exp[1] = a;
base[2] = a; exp[2] = b;
base[3] = NULL; exp[3] = NULL;
mpi_mulpowm( t1, base, exp, pkey->p );
rc = !mpi_cmp_ui( t1, 1 );
#endif
mpi_free(t1);
mpi_free(t2);

13
cipher/md5.c
View file

@ -93,7 +93,18 @@ static byte PADDING[64] = {
#define I(x, y, z) ((y) ^ ((x) | (~z)))
/* ROTATE_LEFT rotates x left n bits */
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
#if defined(__GNUC__) && defined(__i386__)
static inline u32
ROTATE_LEFT(u32 x, int n)
{
__asm__("roll %%cl,%0"
:"=r" (x)
:"0" (x),"c" (n));
return x;
}
#else
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
#endif
/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */
/* Rotation is separate from addition to prevent recomputation */

17
cipher/rmd160.c
View file

@ -151,6 +151,20 @@ rmd160_init( RMD160_CONTEXT *hd )
}
#if defined(__GNUC__) && defined(__i386__)
static inline u32
rol(int n, u32 x)
{
__asm__("roll %%cl,%0"
:"=r" (x)
:"0" (x),"c" (n));
return x;
}
#else
#define rol(n,x) ( ((x) << (n)) | ((x) >> (32-(n))) )
#endif
/****************
* Transform the message X which consists of 16 32-bit-words
*/
@ -209,9 +223,6 @@ transform( RMD160_CONTEXT *hd, byte *data )
(a) < 64 ? F3((x),(y),(z)) : \
F4((x),(y),(z)) )
#define rol(n,x) ( ((x) << (n)) | ((x) >> (32-(n))) )
#ifdef BIG_ENDIAN_HOST
{ int i;
byte *p2, *p1;

22
cipher/sha1.c
View file

@ -99,14 +99,30 @@
#define K3 0x8F1BBCDCL /* Rounds 40-59 */
#define K4 0xCA62C1D6L /* Rounds 60-79 */
#define ROTL(n,X) ( ( ( X ) << n ) | ( ( X ) >> ( 32 - n ) ) )
#if defined(__GNUC__) && defined(__i386__)
static inline u32
rol(int n, u32 x)
{
__asm__("roll %%cl,%0"
:"=r" (x)
:"0" (x),"c" (n));
return x;
}
#else
#define rol(n,x) ( ((x) << (n)) | ((x) >> (32-(n))) )
#endif
#define expand(W,i) ( W[ i & 15 ] = \
ROTL( 1, ( W[ i & 15 ] ^ W[ (i - 14) & 15 ] ^ \
rol( 1, ( W[ i & 15 ] ^ W[ (i - 14) & 15 ] ^ \
W[ (i - 8) & 15 ] ^ W[ (i - 3) & 15 ] ) ) )
#define subRound(a, b, c, d, e, f, k, data) \
( e += ROTL( 5, a ) + f( b, c, d ) + k + data, b = ROTL( 30, b ) )
( e += rol( 5, a ) + f( b, c, d ) + k + data, b = rol( 30, b ) )
void