security-and-privacy/gnupg
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gnupg
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* mpi-bit.c (mpi_normalize): Replaced the check for protected by 

is_opaque.
(mpi_get_nbits): Removed the special case for protected MPIs.
* mpicoder.c (do_get_buffer): Likewise.
(mpi_print): Removed the nbit_info printing.
This commit is contained in:
Werner Koch 2002-09-11 07:28:44 +00:00
parent c5445cc323
commit 7a71a26d59
5 changed files with 41 additions and 44 deletions
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6
include/ChangeLog
View File

@ -1,3 +1,9 @@
2002-09-10 Werner Koch <wk@gnupg.org>
* mpi.h (mpi_is_protected, mpi_set_protect_flag)
(mpi_clear_protect_flag): Removed.
(mpi_get_nbit_info, mpi_set_nbit_info): Removed.
2002-08-13 David Shaw <dshaw@jabberwocky.com>
* cipher.h: Add AES aliases for RIJNDAEL algo numbers.

7
include/mpi.h
View File

@ -71,7 +71,7 @@ struct gcry_mpi {
int nbits; /* the real number of valid bits (info only) */
int sign; /* indicates a negative number */
unsigned flags; /* bit 0: array must be allocated in secure memory space */
/* bit 1: the mpi is encrypted */
/* bit 1: not used */
/* bit 2: the limb is a pointer to some m_alloced data */
mpi_limb_t *d; /* array with the limbs */
};
@ -81,8 +81,6 @@ typedef struct gcry_mpi *MPI;
#define MPI_NULL NULL
#define mpi_get_nlimbs(a) ((a)->nlimbs)
#define mpi_get_nbit_info(a) ((a)->nbits)
#define mpi_set_nbit_info(a,b) ((a)->nbits = (b))
#define mpi_is_neg(a) ((a)->sign)
/*-- mpiutil.c --*/
@ -111,9 +109,6 @@ typedef struct gcry_mpi *MPI;
#define mpi_is_opaque(a) ((a) && ((a)->flags&4))
MPI mpi_set_opaque( MPI a, void *p, int len );
void *mpi_get_opaque( MPI a, int *len );
#define mpi_is_protected(a) ((a) && ((a)->flags&2))
#define mpi_set_protect_flag(a) ((a)->flags |= 2)
#define mpi_clear_protect_flag(a) ((a)->flags &= ~2)
#define mpi_is_secure(a) ((a) && ((a)->flags&1))
void mpi_set_secure( MPI a );
void mpi_clear( MPI a );

8
mpi/ChangeLog
View File

@ -1,3 +1,11 @@
2002-09-10 Werner Koch <wk@gnupg.org>
* mpi-bit.c (mpi_normalize): Replaced the check for protected by
is_opaque.
(mpi_get_nbits): Removed the special case for protected MPIs.
* mpicoder.c (do_get_buffer): Likewise.
(mpi_print): Removed the nbit_info printing.
2002-09-03 Werner Koch <wk@gnupg.org>
* mpicoder.c (mpi_set_buffer): Cast all left operands of a shift

9
mpi/mpi-bit.c
View File

@ -55,7 +55,7 @@ __clz_tab[] =
void
mpi_normalize( MPI a )
{
if( mpi_is_protected(a) )
if( mpi_is_opaque (a) )
return;
for( ; a->nlimbs && !a->d[a->nlimbs-1]; a->nlimbs-- )
@ -72,13 +72,6 @@ mpi_get_nbits( MPI a )
{
unsigned n;
if( mpi_is_protected(a) ) {
n = mpi_get_nbit_info(a);
if( !n )
n = a->nlimbs * BITS_PER_MPI_LIMB;
return n;
}
mpi_normalize( a );
if( a->nlimbs ) {
mpi_limb_t alimb = a->d[a->nlimbs-1];

55
mpi/mpicoder.c
View File

@ -255,29 +255,26 @@ mpi_print( FILE *fp, MPI a, int mode )
if( a == MPI_NULL )
return fprintf(fp, "[MPI_NULL]");
if( !mode ) {
unsigned n1, n2;
unsigned int n1;
n1 = mpi_get_nbits(a);
n2 = mpi_get_nbit_info(a);
if( n2 && n2 != n1 )
n += fprintf(fp, "[%u bits (%u)]", n1, n2 );
else
n += fprintf(fp, "[%u bits]", n1);
n += fprintf(fp, "[%u bits]", n1);
}
else {
if( a->sign )
putc('-', fp);
#if BYTES_PER_MPI_LIMB == 2
#define X "4"
#elif BYTES_PER_MPI_LIMB == 4
#define X "8"
#elif BYTES_PER_MPI_LIMB == 8
#define X "16"
#else
#error please define the format here
#endif
#if BYTES_PER_MPI_LIMB == 2
#define X "4"
#elif BYTES_PER_MPI_LIMB == 4
#define X "8"
#elif BYTES_PER_MPI_LIMB == 8
#define X "16"
#else
#error please define the format here
#endif
for(i=a->nlimbs; i > 0 ; i-- ) {
n += fprintf(fp, i!=a->nlimbs? "%0" X "lX":"%lX", (ulong)a->d[i-1]);
#undef X
#undef X
}
if( !a->nlimbs )
putc('0', fp );
@ -344,12 +341,12 @@ do_get_buffer( MPI a, unsigned *nbytes, int *sign, int force_secure )
for(i=a->nlimbs-1; i >= 0; i-- ) {
alimb = a->d[i];
#if BYTES_PER_MPI_LIMB == 4
#if BYTES_PER_MPI_LIMB == 4
*p++ = alimb >> 24;
*p++ = alimb >> 16;
*p++ = alimb >> 8;
*p++ = alimb ;
#elif BYTES_PER_MPI_LIMB == 8
#elif BYTES_PER_MPI_LIMB == 8
*p++ = alimb >> 56;
*p++ = alimb >> 48;
*p++ = alimb >> 40;
@ -358,20 +355,18 @@ do_get_buffer( MPI a, unsigned *nbytes, int *sign, int force_secure )
*p++ = alimb >> 16;
*p++ = alimb >> 8;
*p++ = alimb ;
#else
#error please implement for this limb size.
#endif
#else
#error please implement for this limb size.
#endif
}
if (!mpi_is_protected (a))
{
/* this is sub-optimal but we need to do the shift operation
* because the caller has to free the returned buffer */
for(p=buffer; !*p && *nbytes; p++, --*nbytes )
;
if( p != buffer )
memmove(buffer,p, *nbytes);
}
/* this is sub-optimal but we need to do the shift operation
* because the caller has to free the returned buffer */
for(p=buffer; !*p && *nbytes; p++, --*nbytes )
;
if( p != buffer )
memmove(buffer,p, *nbytes);
return buffer;
}