diff options
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; +} |