oysteikt/heimdal
0
0
Fork 0
Code Issues 5 Pull Requests Releases Activity

(RC2_set_key): rewrite the mask calculation

Browse Source 
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13756 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2004-04-24 12:08:22 +00:00
parent d3ee5536f7
commit e166f76126
1 changed files with 2 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/des/rc2.c
View File

@@ -98,10 +98,8 @@ RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits)
k[j] = Sbox[(k[j - len] + k[j - 1]) & 0xff]; k[j] = Sbox[(k[j - len] + k[j - 1]) & 0xff];
T8 = (bits + 7) / 8; T8 = (bits + 7) / 8;
j = 8 - (8*T8 - bits); j = (8*T8 - bits);
TM = 0; TM = 0xff >> j;
while (j-- > 0)
TM = TM << 1 | 1;
k[128 - T8] = Sbox[k[128 - T8] & TM]; k[128 - T8] = Sbox[k[128 - T8] & TM];