diff options
| author | rsc <devnull@localhost> | 2003-11-23 18:21:42 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2003-11-23 18:21:42 +0000 |
| commit | db6608bd819d10cc2ddb57d18054d62d4ca15596 (patch) | |
| tree | f896aa4af2274555fbafb765ccaa877d53eb4cc9 /src/libsec/port/desmodes.c | |
| parent | 056fe1ba7fa0b70f871dfb9005b24eb8e4cc230b (diff) | |
| download | plan9port-db6608bd819d10cc2ddb57d18054d62d4ca15596.tar.gz plan9port-db6608bd819d10cc2ddb57d18054d62d4ca15596.tar.bz2 plan9port-db6608bd819d10cc2ddb57d18054d62d4ca15596.zip | |
add libsec
Diffstat (limited to 'src/libsec/port/desmodes.c')
| -rw-r--r-- | src/libsec/port/desmodes.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/libsec/port/desmodes.c b/src/libsec/port/desmodes.c new file mode 100644 index 00000000..da6d9841 --- /dev/null +++ b/src/libsec/port/desmodes.c @@ -0,0 +1,31 @@ +#include "os.h" +#include <libsec.h> + +/* + * these routines use the 64bit format for + * DES keys. + */ + +void +setupDESstate(DESstate *s, uchar key[8], uchar *ivec) +{ + memset(s, 0, sizeof(*s)); + memmove(s->key, key, sizeof(s->key)); + des_key_setup(key, s->expanded); + if(ivec) + memmove(s->ivec, ivec, 8); + s->setup = 0xdeadbeef; +} + +void +setupDES3state(DES3state *s, uchar key[3][8], uchar *ivec) +{ + memset(s, 0, sizeof(*s)); + memmove(s->key, key, sizeof(s->key)); + des_key_setup(key[0], s->expanded[0]); + des_key_setup(key[1], s->expanded[1]); + des_key_setup(key[2], s->expanded[2]); + if(ivec) + memmove(s->ivec, ivec, 8); + s->setup = 0xdeadbeef; +} |