LABERTHREAD zum Thema: Umstellung der SAT-Verschlüsselung bei Sky (Geschlossen)

if (buff_55[0]&1){     //case 55_01 xx where bit0==1
                  rdr_log(reader, "classD3 ins54: CW is crypted, pairing active, bad cw");
                return ERROR;
                }
            if ((buff_55[0]>>2)&1){     //case 55_01 xx where bit2==1, old dimeno_PostProcess_Decrypt(reader, rbuff, ea->cw);
                unsigned char buffer[0x10];
                memcpy(buffer, rbuff + 5, 8);
                memcpy(buffer + 8, buff_56, 8);
                AES_decrypt(buffer, buffer, &(csystem_data->astrokey));
                memcpy(ea->cw + 0, buffer, 8);  // copy calculated CW in right place
                  }

                <TR><TD><A>ins7E11 TA1 Byte (1 byte):</A></TD><TD><input name="ins7e11" class="short" type="text" maxlength="2" value="##INS7E11##"></TD></TR>
                <TR><TD><A>ins2E06 payload (4 bytes):</A></TD><TD><input name="ins2e06" class="medium" type="text" maxlength="8" value="##INS2E06##"></TD></TR>
                <TR><TD><A>ins7E payload (26 bytes):</A></TD><TD><input name="ins7e" type="text"maxlength="56" value="##INS7E##"></TD></TR>
                <TR><TD><A>K1:</A></TD><TD><input name="K1key" type="text"maxlength="32" value="##K1key##"></TD></TR>
                <TR><TD><A>K2:</A></TD><TD><input name="K2key" type="text"maxlength="32" value="##K2key##"></TD></TR>
                <TR><TD><A>K3:</A></TD><TD><input name="K3key" type="text"maxlength="32" value="##K3key##"></TD></TR>

            if (buff_55[0]&1){     //case 55_01 xx where bit0==1
                  rdr_log(reader, "classD3 ins54: CW is crypted, pairing active, bad cw");
                return ERROR;
                uint8_t iv[8];
                memset(iv, 0, 8);
                des_cbc_decrypt(ea->cw, iv, K1key, 8);
                }