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#include "ssh.h"
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struct CipherState
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{
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	RC4state enc;
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	RC4state dec;
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};
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static CipherState*
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initrc4(Conn *c, int isserver)
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{
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	CipherState *cs;
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	cs = emalloc(sizeof(CipherState));
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	if(isserver){
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		setupRC4state(&cs->enc, c->sesskey, 16);
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		setupRC4state(&cs->dec, c->sesskey+16, 16);
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	}else{
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		setupRC4state(&cs->dec, c->sesskey, 16);
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		setupRC4state(&cs->enc, c->sesskey+16, 16);
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	}
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	return cs;
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}
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static void
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encryptrc4(CipherState *cs, uchar *buf, int nbuf)
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{
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	rc4(&cs->enc, buf, nbuf);
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}
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static void
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decryptrc4(CipherState *cs, uchar *buf, int nbuf)
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{
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	rc4(&cs->dec, buf, nbuf);
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}
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Cipher cipherrc4 =
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{
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	SSH_CIPHER_RC4,
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	"rc4",
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	initrc4,
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	encryptrc4,
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	decryptrc4,
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};
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