32 lines
647 B
C
32 lines
647 B
C
#include "os.h"
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#include <libsec.h>
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/*
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* these routines use the 64bit format for
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* DES keys.
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*/
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void
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setupDESstate(DESstate *s, uchar key[8], uchar *ivec)
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{
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memset(s, 0, sizeof(*s));
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memmove(s->key, key, sizeof(s->key));
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des_key_setup(key, s->expanded);
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if(ivec)
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memmove(s->ivec, ivec, 8);
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s->setup = 0xdeadbeef;
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}
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void
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setupDES3state(DES3state *s, uchar key[3][8], uchar *ivec)
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{
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memset(s, 0, sizeof(*s));
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memmove(s->key, key, sizeof(s->key));
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des_key_setup(key[0], s->expanded[0]);
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des_key_setup(key[1], s->expanded[1]);
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des_key_setup(key[2], s->expanded[2]);
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if(ivec)
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memmove(s->ivec, ivec, 8);
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s->setup = 0xdeadbeef;
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}
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