a7firm/src/sega/a7/KeychipInfoWrite.java

34 lines
1.3 KiB
Java

package sega.a7;
import javacard.security.MessageDigest;
public class KeychipInfoWrite extends AuthCommand {
private static final short RECV_PACKET_SIZE = 142;
private static final byte AUTH_LEVEL = 2;
private static final short PARAM_SIZE = 46;
public KeychipInfoWrite(short cmd, AppData data, MakePacket packet, MessageDigest sha1, HmacSha1 hmacSha1,
Crypt crypt) {
super(cmd, RECV_PACKET_SIZE, PARAM_SIZE, AUTH_LEVEL, data, packet, sha1, hmacSha1, crypt);
}
public short core(byte[] data, short dataOffset, short dataLength) {
if (this.m_ee_data.getSflag_ee())
return AppConfig.A7_EEPWRITE_DISABLE;
short ramD_dataSize = AppConfig.KEYCHIP_INFO_SIZE;
byte[] ramD_newKeychipInfo = this.m_ee_data.getGeneralBuffer_ramD();
if (ramD_newKeychipInfo.length < ramD_dataSize)
return AppConfig.A7_FAIL;
short ramD_decSize = decData(data, (short) (AppConfig.HEADER_SIZE + dataOffset), ramD_dataSize, ramD_newKeychipInfo,
(short) 0);
if (ramD_dataSize > ramD_decSize)
return AppConfig.A7_FAIL;
if (!this.m_ee_data.setKeychipInfo_ee(ramD_newKeychipInfo, (short) 0, ramD_decSize))
return AppConfig.A7_EEP_WRITEFAIL;
return AppConfig.A7_SUCCESS;
}
}