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Small bugfixes backported from the LibTomCrypt v1.0rc1 release.

This commit is contained in:
Michael Jung 2005-01-03 14:25:12 +00:00 committed by Alexandre Julliard
parent 2a4b6fdc94
commit e98d2712cb
2 changed files with 6 additions and 4 deletions
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6
dlls/rsaenh/mpi.c
View File

@ -3257,7 +3257,7 @@ int mp_prime_random_ex(mp_int *a, int t, int size, int flags, ltm_prime_callback
} }
/* calc the byte size */ /* calc the byte size */
bsize = (size>>3)+(size&7?1:0); bsize = (size>>3)+((size&7)?1:0);
/* we need a buffer of bsize bytes */ /* we need a buffer of bsize bytes */
tmp = malloc(bsize); tmp = malloc(bsize);
@ -3266,11 +3266,11 @@ int mp_prime_random_ex(mp_int *a, int t, int size, int flags, ltm_prime_callback
} }
/* calc the maskAND value for the MSbyte*/ /* calc the maskAND value for the MSbyte*/
maskAND = 0xFF >> (8 - (size & 7)); maskAND = ((size&7) == 0) ? 0xFF : (0xFF >> (8 - (size & 7)));
/* calc the maskOR_msb */ /* calc the maskOR_msb */
maskOR_msb = 0; maskOR_msb = 0;
maskOR_msb_offset = (size - 2) >> 3; maskOR_msb_offset = ((size & 7) == 1) ? 1 : 0;
if (flags & LTM_PRIME_2MSB_ON) { if (flags & LTM_PRIME_2MSB_ON) {
maskOR_msb |= 1 << ((size - 2) & 7); maskOR_msb |= 1 << ((size - 2) & 7);
} else if (flags & LTM_PRIME_2MSB_OFF) { } else if (flags & LTM_PRIME_2MSB_OFF) {

4
dlls/rsaenh/rsa.c
View File

@ -73,7 +73,9 @@ int rand_prime(mp_int *N, long len)
type = LTM_PRIME_BBS; type = LTM_PRIME_BBS;
len = -len; len = -len;
} else { } else {
type = 0; /* This seems to be what MS CSP's do: */
type = LTM_PRIME_2MSB_ON;
/* Original LibTomCrypt: type = 0; */
} }
/* New prime generation makes the code even more cryptoish-insane. Do you know what this means!!! /* New prime generation makes the code even more cryptoish-insane. Do you know what this means!!!