Desfire卡片 ev1模式 更改PICC密钥 日志文件

desfire changekey 记录文件 ；想学desfire更改密钥的可以下载，或者想验证d21 d41 d81 crc32算法验证的可以下载，其他的就不要下载了；里边有对应发送指令前，信息是如何处理的记录 *** Authenticate KeyNo= 00, Key= 00000000000000000000000000000000 keyType: 100 *** CL指令: 90 1A 00 00 01 00 00 -> 901A 0000 01 0000 <- 4868F4DE6244CBDC91AF

S50 7字节UID 改为随机UID

1. UIDF0: anti-collision and selection with the double size UID according to ISO/IEC 14443-3 2. UIDF1: anti-collision and selection with the double size UID according to ISO/IEC 14443-3 and optional usage of a selection process shortcut 3. UIDF2: anti-collision and selection with a single size random ID according to ISO/IEC 14443-3 4. UIDF3: anti-collision and selection with a single size NUID according to ISO/IEC 14443-3 where the NUID is calculated out of the 7-byte UID

NXP NTAG系列

NFC专用芯片 NXP的 目前可以做到全兼容 价格实惠

MF1S50YYX_V1

M1 F08 芯片的说明书