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correct weak keys and update comment

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@9694 ec53bebd-3082-4978-b11e-865c3cabbd6b
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Assar Westerlund
2001-02-16 15:26:37 +00:00
parent 347ad39acd
commit 81997ac2c8
1 changed files with 8 additions and 3 deletions
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11
lib/des/set_key.c
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@@ -97,7 +97,7 @@ des_cblock (*key);
return(1); return(1);
} }
/* Weak and semi week keys as take from /* Weak and semi week keys were originally as take from
* %A D.W. Davies * %A D.W. Davies
* %A W.L. Price * %A W.L. Price
* %T Security for Computer Networks * %T Security for Computer Networks
@@ -106,13 +106,18 @@ des_cblock (*key);
* Many thanks to smb@ulysses.att.com (Steven Bellovin) for the reference * Many thanks to smb@ulysses.att.com (Steven Bellovin) for the reference
* (and actual cblock values). * (and actual cblock values).
*/ */
/* The corrected values are from FIPS 74:
* http://www.itl.nist.gov/fipspubs/fip74.htm
*/
#define NUM_WEAK_KEY 16 #define NUM_WEAK_KEY 16
static des_cblock weak_keys[NUM_WEAK_KEY]={ static des_cblock weak_keys[NUM_WEAK_KEY]={
/* weak keys */ /* weak keys */
{0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01}, {0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01},
{0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE}, {0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE},
{0x1F,0x1F,0x1F,0x1F,0xE0,0xE0,0xE0,0xE0}, {0x1F,0x1F,0x1F,0x1F,0x0E,0x0E,0x0E,0x0E},
{0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0}, {0xE0,0xE0,0xE0,0xE0,0xF1,0xF1,0xF1,0xF1},
/* semi-weak keys */ /* semi-weak keys */
{0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE}, {0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE},
{0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01}, {0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01},