embedaddon/mpd/src/ecp_dese_bis.c - diff

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version 1.1.1.1, 2013/07/22 08:44:29	version 1.1.1.2, 2016/11/01 09:56:12
Line 89 DeseBisConfigure(Bund b)	Line 89 DeseBisConfigure(Bund b)
{	{
EcpState const ecp = &b->ecp;	EcpState const ecp = &b->ecp;
DeseBisInfo const des = &ecp->desebis;	DeseBisInfo const des = &ecp->desebis;
des_cblock key;	DES_cblock key;

des_check_key = FALSE;	DES_string_to_key(ecp->key, &key);
des_string_to_key(ecp->key, &key);	DES_set_key(&key, &des->ks);
des_set_key(&key, des->ks);
des->xmit_seq = 0;	des->xmit_seq = 0;
des->recv_seq = 0;	des->recv_seq = 0;
}	}
Line 204 DeseBisEncrypt(Bund b, Mbuf plain)	Line 203 DeseBisEncrypt(Bund b, Mbuf plain)
{	{
u_char *const block = MBDATA(cypher) + DES_OVERHEAD + k;	u_char *const block = MBDATA(cypher) + DES_OVERHEAD + k;

des_cbc_encrypt(block, block, 8, des->ks, &des->xmit_ivec, TRUE);	DES_cbc_encrypt(block, block, 8, &des->ks, &des->xmit_ivec, TRUE);
memcpy(des->xmit_ivec, block, 8);	memcpy(des->xmit_ivec, block, 8);
}	}

Line 271 DeseBisDecrypt(Bund b, Mbuf cypher)	Line 270 DeseBisDecrypt(Bund b, Mbuf cypher)
for (k = 0; k < clen; k += 8)	for (k = 0; k < clen; k += 8)
{	{
u_char *const block = MBDATA(plain) + k;	u_char *const block = MBDATA(plain) + k;
des_cblock next_ivec;	DES_cblock next_ivec;

memcpy(next_ivec, block, 8);	memcpy(next_ivec, block, 8);
des_cbc_encrypt(block, block, 8, des->ks, &des->recv_ivec, FALSE);	DES_cbc_encrypt(block, block, 8, &des->ks, &des->recv_ivec, FALSE);
memcpy(des->recv_ivec, next_ivec, 8);	memcpy(des->recv_ivec, next_ivec, 8);
}	}