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.

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by bogdanwallee
Sat May 04, 2019 7:34 am
Forum: Algorithm School
Topic: ECDSA (secp256k1) Signature Verification Fails
Replies: 2
Views: 33150

ECDSA (secp256k1) Signature Verification Fails

I have an issue with verification of a ECDSA Signature made on javacard. I am trying to verify the signature in Javascript(Elliptic) but the verification always fails. My applet(javacard) looks like: //initialization ecdsa = Signature.getInstance(Signature.ALG_ECDSA_SHA_256, false); eccKey=SecP256k1...
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