Our Online Store have the new products: RFID antenna board. Currently it can work with JC10M24R and JCOP4 card chips.
Compared with normal cards, the antenna board module has a smaller size and fixed holes, which is easy to integrate in the IOT(Internet Of Things) project.

Select Applet error: global name 'util' is not defined

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Select Applet error: global name 'util' is not defined

Post by kcps103152joe » Sun May 31, 2020 4:27 am

The error

Code: Select all

Select Applet error: global name 'util' is not defined
return when selecting applet if I used MessageDigest.ALG_SHA3_256 for MessageDigest.getInstance

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