plan9fox/sys/src/cmd/ssh/cipherblowfish.c
2011-03-30 19:35:09 +03:00

41 lines
631 B
C

#include "ssh.h"
struct CipherState
{
BFstate enc;
BFstate dec;
};
static CipherState*
initblowfish(Conn *c, int)
{
CipherState *cs;
cs = emalloc(sizeof(CipherState));
setupBFstate(&cs->enc, c->sesskey, SESSKEYLEN, nil);
setupBFstate(&cs->dec, c->sesskey, SESSKEYLEN, nil);
return cs;
}
static void
encryptblowfish(CipherState *cs, uchar *buf, int nbuf)
{
bfCBCencrypt(buf, nbuf, &cs->enc);
}
static void
decryptblowfish(CipherState *cs, uchar *buf, int nbuf)
{
bfCBCdecrypt(buf, nbuf, &cs->dec);
}
Cipher cipherblowfish =
{
SSH_CIPHER_BLOWFISH,
"blowfish",
initblowfish,
encryptblowfish,
decryptblowfish,
};